Dataset: Monthly atmospheric nitrous oxide (N₂O) and carbon monoxide (CO) mixing ratio measurements from San Cristobal, Galápagos Islands collected using a cavity ring-down spectrometer from July 2023 to December 2024

Name: Monthly atmospheric nitrous oxide (N₂O) and carbon monoxide (CO) mixing ratio measurements from San Cristobal, Galápagos Islands collected using a cavity ring-down spectrometer from July 2023 to December 2024
Published: 2025-04-04
Keywords: nitrous oxide, oxygen minimum zones, denitrification, nitrification, oceans

This dataset has not been validatedUnder revisionDOI: 10.26008/1912/bco-dmo.917743.2Version 3 (2025-04-04)Dataset Type:Other Field Results

Principal Investigator: Andrew R. Babbin (Massachusetts Institute of Technology)

Student: Timur Cinay (Massachusetts Institute of Technology)

BCO-DMO Data Manager: Shannon Rauch (Woods Hole Oceanographic Institution)

Project: EAGER: Testing the Galápagos as a long-term monitoring site for nitrous oxide emissions from the Pacific oxygen deficient zones (ETP ODZ mapping)

Abstract

This dataset includes atmospheric nitrous oxide (N₂O) and carbon monoxide (CO) mixing ratio measurements from San Cristobal, Galápagos Islands between July 18, 2023 and December 31, 2024. The data are collected using a cavity ring-down spectrometer (Picarro Inc., G5310).

Cite Dataset

Centroid: latitude: -0.8956, longitude: -89.6087
Temporal Extent: 2023-07-18 - 2024-12-31

Data File(s)	Type	Description	Action
GAL202307_N2O_CO.nc (2.18 MB)	NetCDF	Primary data file for BCO-DMO dataset ID 917743, version 3. Dates: 2023-07-18 to 2023-07-31 netcdf GAL202307_N2O_CO { dimensions: time = 18820 ; variables: double n2o_mean(time) ; n2o_mean:_FillValue = NaN ; n2o_mean:long_name = "mean nitrous oxide mole fraction" ; n2o_mean:units = "ppb" ; n2o_mean:scale = "NOAA-WMO-N2O_X2006A" ; double n2o_stdev(time) ; n2o_stdev:_FillValue = NaN ; n2o_stdev:long_name = "nitrous oxide mole fraction standard deviation" ; n2o_stdev:units = "ppb" ; n2o_stdev:scale = "NOAA-WMO-N2O_X2006A" ; double n2o_number(time) ; n2o_number:_FillValue = NaN ; n2o_number:long_name = "number of n2o measurements averaged in each time stamp" ; n2o_number:units = "unitless" ; double co_mean(time) ; co_mean:_FillValue = NaN ; co_mean:long_name = "mean carbon monoxide mole fraction" ; co_mean:units = "ppb" ; co_mean:scale = "NOAA-WMO-CO_X2014A" ; double co_stdev(time) ; co_stdev:_FillValue = NaN ; co_stdev:long_name = "carbon monoxide mole fraction standard deviation" ; co_stdev:units = "ppb" ; co_stdev:scale = "NOAA-WMO-CO_X2014A" ; double co_number(time) ; co_number:_FillValue = NaN ; co_number:long_name = "number of co measurements averaged in each time stamp" ; co_number:units = "unitless" ; string time_string(time) ; time_string:long_name = "Time stamp corresponding to the sampling time in string format" ; time_string:timezone = "UTC" ; int64 time(time) ; time:timezone = "UTC" ; time:long_name = "Time stamp corresponding to the sampling time" ; time:units = "minutes since 2023-07-18 16:21:00" ; time:calendar = "proleptic_gregorian" ; // global attributes: :Site = "San Crisotbal, Galapagos Islands, Ecuador" ; string :Latitude = "0.8956 °S " ; string :Longitude = "89.6087 °W" ; :Inlet\ Height = "27 m above sea level" ; :Contact = "tcinay[at]mit[dot]edu or babbin[at]mit[dot]edu" ; :Instrument = "Picarro Inc. G5310 Cavity Ringdown Spectrometer" ; :Software = "GCWerks" ; }	Download
GAL202308_N2O_CO.nc (4.97 MB)	NetCDF	Primary data file for BCO-DMO dataset ID 917743, version 3. Dates: 2023-08-01 to 2023-08-31 netcdf GAL202308_N2O_CO { dimensions: time = 43103 ; variables: double n2o_mean(time) ; n2o_mean:_FillValue = NaN ; n2o_mean:long_name = "mean nitrous oxide mole fraction" ; n2o_mean:units = "ppb" ; n2o_mean:scale = "NOAA-WMO-N2O_X2006A" ; double n2o_stdev(time) ; n2o_stdev:_FillValue = NaN ; n2o_stdev:long_name = "nitrous oxide mole fraction standard deviation" ; n2o_stdev:units = "ppb" ; n2o_stdev:scale = "NOAA-WMO-N2O_X2006A" ; double n2o_number(time) ; n2o_number:_FillValue = NaN ; n2o_number:long_name = "number of n2o measurements averaged in each time stamp" ; n2o_number:units = "unitless" ; double co_mean(time) ; co_mean:_FillValue = NaN ; co_mean:long_name = "mean carbon monoxide mole fraction" ; co_mean:units = "ppb" ; co_mean:scale = "NOAA-WMO-CO_X2014A" ; double co_stdev(time) ; co_stdev:_FillValue = NaN ; co_stdev:long_name = "carbon monoxide mole fraction standard deviation" ; co_stdev:units = "ppb" ; co_stdev:scale = "NOAA-WMO-CO_X2014A" ; double co_number(time) ; co_number:_FillValue = NaN ; co_number:long_name = "number of co measurements averaged in each time stamp" ; co_number:units = "unitless" ; string time_string(time) ; time_string:long_name = "Time stamp corresponding to the sampling time in string format" ; time_string:timezone = "UTC" ; int64 time(time) ; time:timezone = "UTC" ; time:long_name = "Time stamp corresponding to the sampling time" ; time:units = "minutes since 2023-08-01 00:00:00" ; time:calendar = "proleptic_gregorian" ; // global attributes: :Site = "San Crisotbal, Galapagos Islands, Ecuador" ; string :Latitude = "0.8956 °S " ; string :Longitude = "89.6087 °W" ; :Inlet\ Height = "27 m above sea level" ; :Contact = "tcinay[at]mit[dot]edu or babbin[at]mit[dot]edu" ; :Instrument = "Picarro Inc. G5310 Cavity Ringdown Spectrometer" ; :Software = "GCWerks" ; }	Download
GAL202309_N2O_CO.nc (4.85 MB)	NetCDF	Primary data file for BCO-DMO dataset ID 917743, version 3. Dates: 2023-09-01 to 2023-09-30 netcdf GAL202309_N2O_CO { dimensions: time = 42245 ; variables: double n2o_mean(time) ; n2o_mean:_FillValue = NaN ; n2o_mean:long_name = "mean nitrous oxide mole fraction" ; n2o_mean:units = "ppb" ; n2o_mean:scale = "NOAA-WMO-N2O_X2006A" ; double n2o_stdev(time) ; n2o_stdev:_FillValue = NaN ; n2o_stdev:long_name = "nitrous oxide mole fraction standard deviation" ; n2o_stdev:units = "ppb" ; n2o_stdev:scale = "NOAA-WMO-N2O_X2006A" ; double n2o_number(time) ; n2o_number:_FillValue = NaN ; n2o_number:long_name = "number of n2o measurements averaged in each time stamp" ; n2o_number:units = "unitless" ; double co_mean(time) ; co_mean:_FillValue = NaN ; co_mean:long_name = "mean carbon monoxide mole fraction" ; co_mean:units = "ppb" ; co_mean:scale = "NOAA-WMO-CO_X2014A" ; double co_stdev(time) ; co_stdev:_FillValue = NaN ; co_stdev:long_name = "carbon monoxide mole fraction standard deviation" ; co_stdev:units = "ppb" ; co_stdev:scale = "NOAA-WMO-CO_X2014A" ; double co_number(time) ; co_number:_FillValue = NaN ; co_number:long_name = "number of co measurements averaged in each time stamp" ; co_number:units = "unitless" ; string time_string(time) ; time_string:long_name = "Time stamp corresponding to the sampling time in string format" ; time_string:timezone = "UTC" ; int64 time(time) ; time:timezone = "UTC" ; time:long_name = "Time stamp corresponding to the sampling time" ; time:units = "minutes since 2023-09-01 00:00:00" ; time:calendar = "proleptic_gregorian" ; // global attributes: :Site = "San Crisotbal, Galapagos Islands, Ecuador" ; string :Latitude = "0.8956 °S " ; string :Longitude = "89.6087 °W" ; :Inlet\ Height = "27 m above sea level" ; :Contact = "tcinay[at]mit[dot]edu or babbin[at]mit[dot]edu" ; :Instrument = "Picarro Inc. G5310 Cavity Ringdown Spectrometer" ; :Software = "GCWerks" ; }	Download
GAL202310_N2O_CO.nc (4.99 MB)	NetCDF	Primary data file for BCO-DMO dataset ID 917743, version 3. Dates: 2023-10-01 to 2023-10-31 netcdf GAL202310_N2O_CO { dimensions: time = 43317 ; variables: double n2o_mean(time) ; n2o_mean:_FillValue = NaN ; n2o_mean:long_name = "mean nitrous oxide mole fraction" ; n2o_mean:units = "ppb" ; n2o_mean:scale = "NOAA-WMO-N2O_X2006A" ; double n2o_stdev(time) ; n2o_stdev:_FillValue = NaN ; n2o_stdev:long_name = "nitrous oxide mole fraction standard deviation" ; n2o_stdev:units = "ppb" ; n2o_stdev:scale = "NOAA-WMO-N2O_X2006A" ; double n2o_number(time) ; n2o_number:_FillValue = NaN ; n2o_number:long_name = "number of n2o measurements averaged in each time stamp" ; n2o_number:units = "unitless" ; double co_mean(time) ; co_mean:_FillValue = NaN ; co_mean:long_name = "mean carbon monoxide mole fraction" ; co_mean:units = "ppb" ; co_mean:scale = "NOAA-WMO-CO_X2014A" ; double co_stdev(time) ; co_stdev:_FillValue = NaN ; co_stdev:long_name = "carbon monoxide mole fraction standard deviation" ; co_stdev:units = "ppb" ; co_stdev:scale = "NOAA-WMO-CO_X2014A" ; double co_number(time) ; co_number:_FillValue = NaN ; co_number:long_name = "number of co measurements averaged in each time stamp" ; co_number:units = "unitless" ; string time_string(time) ; time_string:long_name = "Time stamp corresponding to the sampling time in string format" ; time_string:timezone = "UTC" ; int64 time(time) ; time:timezone = "UTC" ; time:long_name = "Time stamp corresponding to the sampling time" ; time:units = "minutes since 2023-10-01 00:00:00" ; time:calendar = "proleptic_gregorian" ; // global attributes: :Site = "San Crisotbal, Galapagos Islands, Ecuador" ; string :Latitude = "0.8956 °S " ; string :Longitude = "89.6087 °W" ; :Inlet\ Height = "27 m above sea level" ; :Contact = "tcinay[at]mit[dot]edu or babbin[at]mit[dot]edu" ; :Instrument = "Picarro Inc. G5310 Cavity Ringdown Spectrometer" ; :Software = "GCWerks" ; }	Download
GAL202311_N2O_CO.nc (4.84 MB)	NetCDF	Primary data file for BCO-DMO dataset ID 917743, version 3. Dates: 2023-11-01 to 2023-11-30 netcdf GAL202311_N2O_CO { dimensions: time = 42027 ; variables: double n2o_mean(time) ; n2o_mean:_FillValue = NaN ; n2o_mean:long_name = "mean nitrous oxide mole fraction" ; n2o_mean:units = "ppb" ; n2o_mean:scale = "NOAA-WMO-N2O_X2006A" ; double n2o_stdev(time) ; n2o_stdev:_FillValue = NaN ; n2o_stdev:long_name = "nitrous oxide mole fraction standard deviation" ; n2o_stdev:units = "ppb" ; n2o_stdev:scale = "NOAA-WMO-N2O_X2006A" ; double n2o_number(time) ; n2o_number:_FillValue = NaN ; n2o_number:long_name = "number of n2o measurements averaged in each time stamp" ; n2o_number:units = "unitless" ; double co_mean(time) ; co_mean:_FillValue = NaN ; co_mean:long_name = "mean carbon monoxide mole fraction" ; co_mean:units = "ppb" ; co_mean:scale = "NOAA-WMO-CO_X2014A" ; double co_stdev(time) ; co_stdev:_FillValue = NaN ; co_stdev:long_name = "carbon monoxide mole fraction standard deviation" ; co_stdev:units = "ppb" ; co_stdev:scale = "NOAA-WMO-CO_X2014A" ; double co_number(time) ; co_number:_FillValue = NaN ; co_number:long_name = "number of co measurements averaged in each time stamp" ; co_number:units = "unitless" ; string time_string(time) ; time_string:long_name = "Time stamp corresponding to the sampling time in string format" ; time_string:timezone = "UTC" ; int64 time(time) ; time:timezone = "UTC" ; time:long_name = "Time stamp corresponding to the sampling time" ; time:units = "minutes since 2023-11-01 00:00:00" ; time:calendar = "proleptic_gregorian" ; // global attributes: :Site = "San Crisotbal, Galapagos Islands, Ecuador" ; string :Latitude = "0.8956 °S " ; string :Longitude = "89.6087 °W" ; :Inlet\ Height = "27 m above sea level" ; :Contact = "tcinay[at]mit[dot]edu or babbin[at]mit[dot]edu" ; :Instrument = "Picarro Inc. G5310 Cavity Ringdown Spectrometer" ; :Software = "GCWerks" ; }	Download
GAL202312_N2O_CO.nc (4.99 MB)	NetCDF	Primary data file for BCO-DMO dataset ID 917743, version 3. Dates: 2023-12-01 to 2023-12-31 netcdf GAL202312_N2O_CO { dimensions: time = 43284 ; variables: double n2o_mean(time) ; n2o_mean:_FillValue = NaN ; n2o_mean:long_name = "mean nitrous oxide mole fraction" ; n2o_mean:units = "ppb" ; n2o_mean:scale = "NOAA-WMO-N2O_X2006A" ; double n2o_stdev(time) ; n2o_stdev:_FillValue = NaN ; n2o_stdev:long_name = "nitrous oxide mole fraction standard deviation" ; n2o_stdev:units = "ppb" ; n2o_stdev:scale = "NOAA-WMO-N2O_X2006A" ; double n2o_number(time) ; n2o_number:_FillValue = NaN ; n2o_number:long_name = "number of n2o measurements averaged in each time stamp" ; n2o_number:units = "unitless" ; double co_mean(time) ; co_mean:_FillValue = NaN ; co_mean:long_name = "mean carbon monoxide mole fraction" ; co_mean:units = "ppb" ; co_mean:scale = "NOAA-WMO-CO_X2014A" ; double co_stdev(time) ; co_stdev:_FillValue = NaN ; co_stdev:long_name = "carbon monoxide mole fraction standard deviation" ; co_stdev:units = "ppb" ; co_stdev:scale = "NOAA-WMO-CO_X2014A" ; double co_number(time) ; co_number:_FillValue = NaN ; co_number:long_name = "number of co measurements averaged in each time stamp" ; co_number:units = "unitless" ; string time_string(time) ; time_string:long_name = "Time stamp corresponding to the sampling time in string format" ; time_string:timezone = "UTC" ; int64 time(time) ; time:timezone = "UTC" ; time:long_name = "Time stamp corresponding to the sampling time" ; time:units = "minutes since 2023-12-01 00:00:00" ; time:calendar = "proleptic_gregorian" ; // global attributes: :Site = "San Crisotbal, Galapagos Islands, Ecuador" ; string :Latitude = "0.8956 °S " ; string :Longitude = "89.6087 °W" ; :Inlet\ Height = "27 m above sea level" ; :Contact = "tcinay[at]mit[dot]edu or babbin[at]mit[dot]edu" ; :Instrument = "Picarro Inc. G5310 Cavity Ringdown Spectrometer" ; :Software = "GCWerks" ; }	Download
GAL202401_N2O_CO.nc (4.94 MB)	NetCDF	Primary data file for BCO-DMO dataset ID 917743, version 3. Dates: 2024-01-01 to 2024-01-31 netcdf GAL202401_N2O_CO { dimensions: time = 43061 ; variables: double n2o_mean(time) ; n2o_mean:_FillValue = NaN ; n2o_mean:long_name = "mean nitrous oxide mole fraction" ; n2o_mean:units = "ppb" ; n2o_mean:scale = "NOAA-WMO-N2O_X2006A" ; double n2o_stdev(time) ; n2o_stdev:_FillValue = NaN ; n2o_stdev:long_name = "nitrous oxide mole fraction standard deviation" ; n2o_stdev:units = "ppb" ; n2o_stdev:scale = "NOAA-WMO-N2O_X2006A" ; double n2o_number(time) ; n2o_number:_FillValue = NaN ; n2o_number:long_name = "number of n2o measurements averaged in each time stamp" ; n2o_number:units = "unitless" ; double co_mean(time) ; co_mean:_FillValue = NaN ; co_mean:long_name = "mean carbon monoxide mole fraction" ; co_mean:units = "ppb" ; co_mean:scale = "NOAA-WMO-CO_X2014A" ; double co_stdev(time) ; co_stdev:_FillValue = NaN ; co_stdev:long_name = "carbon monoxide mole fraction standard deviation" ; co_stdev:units = "ppb" ; co_stdev:scale = "NOAA-WMO-CO_X2014A" ; double co_number(time) ; co_number:_FillValue = NaN ; co_number:long_name = "number of co measurements averaged in each time stamp" ; co_number:units = "unitless" ; string time_string(time) ; time_string:long_name = "Time stamp corresponding to the sampling time in string format" ; time_string:timezone = "UTC" ; int64 time(time) ; time:timezone = "UTC" ; time:long_name = "Time stamp corresponding to the sampling time" ; time:units = "minutes since 2024-01-01 00:00:00" ; time:calendar = "proleptic_gregorian" ; // global attributes: :Site = "San Crisotbal, Galapagos Islands, Ecuador" ; string :Latitude = "0.8956 °S " ; string :Longitude = "89.6087 °W" ; :Inlet\ Height = "27 m above sea level" ; :Contact = "tcinay[at]mit[dot]edu or babbin[at]mit[dot]edu" ; :Instrument = "Picarro Inc. G5310 Cavity Ringdown Spectrometer" ; :Software = "GCWerks" ; }	Download
GAL202402_N2O_CO.nc (4.53 MB)	NetCDF	Primary data file for BCO-DMO dataset ID 917743, version 3. Dates: 2024-02-01 to 2024-02-29 netcdf GAL202402_N2O_CO { dimensions: time = 39441 ; variables: double n2o_mean(time) ; n2o_mean:_FillValue = NaN ; n2o_mean:long_name = "mean nitrous oxide mole fraction" ; n2o_mean:units = "ppb" ; n2o_mean:scale = "NOAA-WMO-N2O_X2006A" ; double n2o_stdev(time) ; n2o_stdev:_FillValue = NaN ; n2o_stdev:long_name = "nitrous oxide mole fraction standard deviation" ; n2o_stdev:units = "ppb" ; n2o_stdev:scale = "NOAA-WMO-N2O_X2006A" ; double n2o_number(time) ; n2o_number:_FillValue = NaN ; n2o_number:long_name = "number of n2o measurements averaged in each time stamp" ; n2o_number:units = "unitless" ; double co_mean(time) ; co_mean:_FillValue = NaN ; co_mean:long_name = "mean carbon monoxide mole fraction" ; co_mean:units = "ppb" ; co_mean:scale = "NOAA-WMO-CO_X2014A" ; double co_stdev(time) ; co_stdev:_FillValue = NaN ; co_stdev:long_name = "carbon monoxide mole fraction standard deviation" ; co_stdev:units = "ppb" ; co_stdev:scale = "NOAA-WMO-CO_X2014A" ; double co_number(time) ; co_number:_FillValue = NaN ; co_number:long_name = "number of co measurements averaged in each time stamp" ; co_number:units = "unitless" ; string time_string(time) ; time_string:long_name = "Time stamp corresponding to the sampling time in string format" ; time_string:timezone = "UTC" ; int64 time(time) ; time:timezone = "UTC" ; time:long_name = "Time stamp corresponding to the sampling time" ; time:units = "minutes since 2024-02-01 00:00:00" ; time:calendar = "proleptic_gregorian" ; // global attributes: :Site = "San Crisotbal, Galapagos Islands, Ecuador" ; string :Latitude = "0.8956 °S " ; string :Longitude = "89.6087 °W" ; :Inlet\ Height = "27 m above sea level" ; :Contact = "tcinay[at]mit[dot]edu or babbin[at]mit[dot]edu" ; :Instrument = "Picarro Inc. G5310 Cavity Ringdown Spectrometer" ; :Software = "GCWerks" ; }	Download
GAL202403_N2O_CO.nc (4.98 MB)	NetCDF	Primary data file for BCO-DMO dataset ID 917743, version 3. Dates: 2024-03-01 to 2024-03-31 netcdf GAL202403_N2O_CO { dimensions: time = 43268 ; variables: double n2o_mean(time) ; n2o_mean:_FillValue = NaN ; n2o_mean:long_name = "mean nitrous oxide mole fraction" ; n2o_mean:units = "ppb" ; n2o_mean:scale = "NOAA-WMO-N2O_X2006A" ; double n2o_stdev(time) ; n2o_stdev:_FillValue = NaN ; n2o_stdev:long_name = "nitrous oxide mole fraction standard deviation" ; n2o_stdev:units = "ppb" ; n2o_stdev:scale = "NOAA-WMO-N2O_X2006A" ; double n2o_number(time) ; n2o_number:_FillValue = NaN ; n2o_number:long_name = "number of n2o measurements averaged in each time stamp" ; n2o_number:units = "unitless" ; double co_mean(time) ; co_mean:_FillValue = NaN ; co_mean:long_name = "mean carbon monoxide mole fraction" ; co_mean:units = "ppb" ; co_mean:scale = "NOAA-WMO-CO_X2014A" ; double co_stdev(time) ; co_stdev:_FillValue = NaN ; co_stdev:long_name = "carbon monoxide mole fraction standard deviation" ; co_stdev:units = "ppb" ; co_stdev:scale = "NOAA-WMO-CO_X2014A" ; double co_number(time) ; co_number:_FillValue = NaN ; co_number:long_name = "number of co measurements averaged in each time stamp" ; co_number:units = "unitless" ; string time_string(time) ; time_string:long_name = "Time stamp corresponding to the sampling time in string format" ; time_string:timezone = "UTC" ; int64 time(time) ; time:timezone = "UTC" ; time:long_name = "Time stamp corresponding to the sampling time" ; time:units = "minutes since 2024-03-01 00:00:00" ; time:calendar = "proleptic_gregorian" ; // global attributes: :Site = "San Crisotbal, Galapagos Islands, Ecuador" ; string :Latitude = "0.8956 °S " ; string :Longitude = "89.6087 °W" ; :Inlet\ Height = "27 m above sea level" ; :Contact = "tcinay[at]mit[dot]edu or babbin[at]mit[dot]edu" ; :Instrument = "Picarro Inc. G5310 Cavity Ringdown Spectrometer" ; :Software = "GCWerks" ; }	Download
GAL202404_N2O_CO.nc (4.67 MB)	NetCDF	Primary data file for BCO-DMO dataset ID 917743, version 3. Dates: 2024-04-01 to 2024-04-30 netcdf GAL202404_N2O_CO { dimensions: time = 40545 ; variables: double n2o_mean(time) ; n2o_mean:_FillValue = NaN ; n2o_mean:long_name = "mean nitrous oxide mole fraction" ; n2o_mean:units = "ppb" ; n2o_mean:scale = "NOAA-WMO-N2O_X2006A" ; double n2o_stdev(time) ; n2o_stdev:_FillValue = NaN ; n2o_stdev:long_name = "nitrous oxide mole fraction standard deviation" ; n2o_stdev:units = "ppb" ; n2o_stdev:scale = "NOAA-WMO-N2O_X2006A" ; double n2o_number(time) ; n2o_number:_FillValue = NaN ; n2o_number:long_name = "number of n2o measurements averaged in each time stamp" ; n2o_number:units = "unitless" ; double co_mean(time) ; co_mean:_FillValue = NaN ; co_mean:long_name = "mean carbon monoxide mole fraction" ; co_mean:units = "ppb" ; co_mean:scale = "NOAA-WMO-CO_X2014A" ; double co_stdev(time) ; co_stdev:_FillValue = NaN ; co_stdev:long_name = "carbon monoxide mole fraction standard deviation" ; co_stdev:units = "ppb" ; co_stdev:scale = "NOAA-WMO-CO_X2014A" ; double co_number(time) ; co_number:_FillValue = NaN ; co_number:long_name = "number of co measurements averaged in each time stamp" ; co_number:units = "unitless" ; string time_string(time) ; time_string:long_name = "Time stamp corresponding to the sampling time in string format" ; time_string:timezone = "UTC" ; int64 time(time) ; time:timezone = "UTC" ; time:long_name = "Time stamp corresponding to the sampling time" ; time:units = "minutes since 2024-04-01 00:00:00" ; time:calendar = "proleptic_gregorian" ; // global attributes: :Site = "San Crisotbal, Galapagos Islands, Ecuador" ; string :Latitude = "0.8956 °S " ; string :Longitude = "89.6087 °W" ; :Inlet\ Height = "27 m above sea level" ; :Contact = "tcinay[at]mit[dot]edu or babbin[at]mit[dot]edu" ; :Instrument = "Picarro Inc. G5310 Cavity Ringdown Spectrometer" ; :Software = "GCWerks" ; }	Download
GAL202405_N2O_CO.nc (5.01 MB)	NetCDF	Primary data file for BCO-DMO dataset ID 917743, version 3. Dates: 2024-05-01 to 2024-05-31 netcdf GAL202405_N2O_CO { dimensions: time = 43634 ; variables: double n2o_mean(time) ; n2o_mean:_FillValue = NaN ; n2o_mean:long_name = "mean nitrous oxide mole fraction" ; n2o_mean:units = "ppb" ; n2o_mean:scale = "NOAA-WMO-N2O_X2006A" ; double n2o_stdev(time) ; n2o_stdev:_FillValue = NaN ; n2o_stdev:long_name = "nitrous oxide mole fraction standard deviation" ; n2o_stdev:units = "ppb" ; n2o_stdev:scale = "NOAA-WMO-N2O_X2006A" ; double n2o_number(time) ; n2o_number:_FillValue = NaN ; n2o_number:long_name = "number of n2o measurements averaged in each time stamp" ; n2o_number:units = "unitless" ; double co_mean(time) ; co_mean:_FillValue = NaN ; co_mean:long_name = "mean carbon monoxide mole fraction" ; co_mean:units = "ppb" ; co_mean:scale = "NOAA-WMO-CO_X2014A" ; double co_stdev(time) ; co_stdev:_FillValue = NaN ; co_stdev:long_name = "carbon monoxide mole fraction standard deviation" ; co_stdev:units = "ppb" ; co_stdev:scale = "NOAA-WMO-CO_X2014A" ; double co_number(time) ; co_number:_FillValue = NaN ; co_number:long_name = "number of co measurements averaged in each time stamp" ; co_number:units = "unitless" ; string time_string(time) ; time_string:long_name = "Time stamp corresponding to the sampling time in string format" ; time_string:timezone = "UTC" ; int64 time(time) ; time:timezone = "UTC" ; time:long_name = "Time stamp corresponding to the sampling time" ; time:units = "minutes since 2024-05-01 00:00:00" ; time:calendar = "proleptic_gregorian" ; // global attributes: :Site = "San Crisotbal, Galapagos Islands, Ecuador" ; string :Latitude = "0.8956 °S " ; string :Longitude = "89.6087 °W" ; :Inlet\ Height = "27 m above sea level" ; :Contact = "tcinay[at]mit[dot]edu or babbin[at]mit[dot]edu" ; :Instrument = "Picarro Inc. G5310 Cavity Ringdown Spectrometer" ; :Software = "GCWerks" ; }	Download
GAL202406_N2O_CO.nc (4.82 MB)	NetCDF	Primary data file for BCO-DMO dataset ID 917743, version 3. Dates: 2024-06-01 to 2024-06-30 netcdf GAL202406_N2O_CO { dimensions: time = 41737 ; variables: double n2o_mean(time) ; n2o_mean:_FillValue = NaN ; n2o_mean:long_name = "mean nitrous oxide mole fraction" ; n2o_mean:units = "ppb" ; n2o_mean:scale = "NOAA-WMO-N2O_X2006A" ; double n2o_stdev(time) ; n2o_stdev:_FillValue = NaN ; n2o_stdev:long_name = "nitrous oxide mole fraction standard deviation" ; n2o_stdev:units = "ppb" ; n2o_stdev:scale = "NOAA-WMO-N2O_X2006A" ; double n2o_number(time) ; n2o_number:_FillValue = NaN ; n2o_number:long_name = "number of n2o measurements averaged in each time stamp" ; n2o_number:units = "unitless" ; double co_mean(time) ; co_mean:_FillValue = NaN ; co_mean:long_name = "mean carbon monoxide mole fraction" ; co_mean:units = "ppb" ; co_mean:scale = "NOAA-WMO-CO_X2014A" ; double co_stdev(time) ; co_stdev:_FillValue = NaN ; co_stdev:long_name = "carbon monoxide mole fraction standard deviation" ; co_stdev:units = "ppb" ; co_stdev:scale = "NOAA-WMO-CO_X2014A" ; double co_number(time) ; co_number:_FillValue = NaN ; co_number:long_name = "number of co measurements averaged in each time stamp" ; co_number:units = "unitless" ; string time_string(time) ; time_string:long_name = "Time stamp corresponding to the sampling time in string format" ; time_string:timezone = "UTC" ; int64 time(time) ; time:timezone = "UTC" ; time:long_name = "Time stamp corresponding to the sampling time" ; time:units = "minutes since 2024-06-01 00:00:00" ; time:calendar = "proleptic_gregorian" ; // global attributes: :Site = "San Crisotbal, Galapagos Islands, Ecuador" ; string :Latitude = "0.8956 °S " ; string :Longitude = "89.6087 °W" ; :Inlet\ Height = "27 m above sea level" ; :Contact = "tcinay[at]mit[dot]edu or babbin[at]mit[dot]edu" ; :Instrument = "Picarro Inc. G5310 Cavity Ringdown Spectrometer" ; :Software = "GCWerks" ; }	Download

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Filename: GAL202307_N2O_CO.nc (2.18 MB)
Type: NetCDF
Description: Primary data file for BCO-DMO dataset ID 917743, version 3. Dates: 2023-07-18 to 2023-07-31 netcdf GAL202307_N2O_CO { dimensions: time = 18820 ; variables: double n2o_mean(time) ; n2o_mean:_FillValue = NaN ; n2o_mean:long_name = "mean nitrous oxide mole fraction" ; n2o_mean:units = "ppb" ; n2o_mean:scale = "NOAA-WMO-N2O_X2006A" ; double n2o_stdev(time) ; n2o_stdev:_FillValue = NaN ; n2o_stdev:long_name = "nitrous oxide mole fraction standard deviation" ; n2o_stdev:units = "ppb" ; n2o_stdev:scale = "NOAA-WMO-N2O_X2006A" ; double n2o_number(time) ; n2o_number:_FillValue = NaN ; n2o_number:long_name = "number of n2o measurements averaged in each time stamp" ; n2o_number:units = "unitless" ; double co_mean(time) ; co_mean:_FillValue = NaN ; co_mean:long_name = "mean carbon monoxide mole fraction" ; co_mean:units = "ppb" ; co_mean:scale = "NOAA-WMO-CO_X2014A" ; double co_stdev(time) ; co_stdev:_FillValue = NaN ; co_stdev:long_name = "carbon monoxide mole fraction standard deviation" ; co_stdev:units = "ppb" ; co_stdev:scale = "NOAA-WMO-CO_X2014A" ; double co_number(time) ; co_number:_FillValue = NaN ; co_number:long_name = "number of co measurements averaged in each time stamp" ; co_number:units = "unitless" ; string time_string(time) ; time_string:long_name = "Time stamp corresponding to the sampling time in string format" ; time_string:timezone = "UTC" ; int64 time(time) ; time:timezone = "UTC" ; time:long_name = "Time stamp corresponding to the sampling time" ; time:units = "minutes since 2023-07-18 16:21:00" ; time:calendar = "proleptic_gregorian" ; // global attributes: :Site = "San Crisotbal, Galapagos Islands, Ecuador" ; string :Latitude = "0.8956 °S " ; string :Longitude = "89.6087 °W" ; :Inlet\ Height = "27 m above sea level" ; :Contact = "tcinay[at]mit[dot]edu or babbin[at]mit[dot]edu" ; :Instrument = "Picarro Inc. G5310 Cavity Ringdown Spectrometer" ; :Software = "GCWerks" ; }

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Filename: GAL202308_N2O_CO.nc (4.97 MB)
Type: NetCDF
Description: Primary data file for BCO-DMO dataset ID 917743, version 3. Dates: 2023-08-01 to 2023-08-31 netcdf GAL202308_N2O_CO { dimensions: time = 43103 ; variables: double n2o_mean(time) ; n2o_mean:_FillValue = NaN ; n2o_mean:long_name = "mean nitrous oxide mole fraction" ; n2o_mean:units = "ppb" ; n2o_mean:scale = "NOAA-WMO-N2O_X2006A" ; double n2o_stdev(time) ; n2o_stdev:_FillValue = NaN ; n2o_stdev:long_name = "nitrous oxide mole fraction standard deviation" ; n2o_stdev:units = "ppb" ; n2o_stdev:scale = "NOAA-WMO-N2O_X2006A" ; double n2o_number(time) ; n2o_number:_FillValue = NaN ; n2o_number:long_name = "number of n2o measurements averaged in each time stamp" ; n2o_number:units = "unitless" ; double co_mean(time) ; co_mean:_FillValue = NaN ; co_mean:long_name = "mean carbon monoxide mole fraction" ; co_mean:units = "ppb" ; co_mean:scale = "NOAA-WMO-CO_X2014A" ; double co_stdev(time) ; co_stdev:_FillValue = NaN ; co_stdev:long_name = "carbon monoxide mole fraction standard deviation" ; co_stdev:units = "ppb" ; co_stdev:scale = "NOAA-WMO-CO_X2014A" ; double co_number(time) ; co_number:_FillValue = NaN ; co_number:long_name = "number of co measurements averaged in each time stamp" ; co_number:units = "unitless" ; string time_string(time) ; time_string:long_name = "Time stamp corresponding to the sampling time in string format" ; time_string:timezone = "UTC" ; int64 time(time) ; time:timezone = "UTC" ; time:long_name = "Time stamp corresponding to the sampling time" ; time:units = "minutes since 2023-08-01 00:00:00" ; time:calendar = "proleptic_gregorian" ; // global attributes: :Site = "San Crisotbal, Galapagos Islands, Ecuador" ; string :Latitude = "0.8956 °S " ; string :Longitude = "89.6087 °W" ; :Inlet\ Height = "27 m above sea level" ; :Contact = "tcinay[at]mit[dot]edu or babbin[at]mit[dot]edu" ; :Instrument = "Picarro Inc. G5310 Cavity Ringdown Spectrometer" ; :Software = "GCWerks" ; }

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Filename: GAL202309_N2O_CO.nc (4.85 MB)
Type: NetCDF
Description: Primary data file for BCO-DMO dataset ID 917743, version 3. Dates: 2023-09-01 to 2023-09-30 netcdf GAL202309_N2O_CO { dimensions: time = 42245 ; variables: double n2o_mean(time) ; n2o_mean:_FillValue = NaN ; n2o_mean:long_name = "mean nitrous oxide mole fraction" ; n2o_mean:units = "ppb" ; n2o_mean:scale = "NOAA-WMO-N2O_X2006A" ; double n2o_stdev(time) ; n2o_stdev:_FillValue = NaN ; n2o_stdev:long_name = "nitrous oxide mole fraction standard deviation" ; n2o_stdev:units = "ppb" ; n2o_stdev:scale = "NOAA-WMO-N2O_X2006A" ; double n2o_number(time) ; n2o_number:_FillValue = NaN ; n2o_number:long_name = "number of n2o measurements averaged in each time stamp" ; n2o_number:units = "unitless" ; double co_mean(time) ; co_mean:_FillValue = NaN ; co_mean:long_name = "mean carbon monoxide mole fraction" ; co_mean:units = "ppb" ; co_mean:scale = "NOAA-WMO-CO_X2014A" ; double co_stdev(time) ; co_stdev:_FillValue = NaN ; co_stdev:long_name = "carbon monoxide mole fraction standard deviation" ; co_stdev:units = "ppb" ; co_stdev:scale = "NOAA-WMO-CO_X2014A" ; double co_number(time) ; co_number:_FillValue = NaN ; co_number:long_name = "number of co measurements averaged in each time stamp" ; co_number:units = "unitless" ; string time_string(time) ; time_string:long_name = "Time stamp corresponding to the sampling time in string format" ; time_string:timezone = "UTC" ; int64 time(time) ; time:timezone = "UTC" ; time:long_name = "Time stamp corresponding to the sampling time" ; time:units = "minutes since 2023-09-01 00:00:00" ; time:calendar = "proleptic_gregorian" ; // global attributes: :Site = "San Crisotbal, Galapagos Islands, Ecuador" ; string :Latitude = "0.8956 °S " ; string :Longitude = "89.6087 °W" ; :Inlet\ Height = "27 m above sea level" ; :Contact = "tcinay[at]mit[dot]edu or babbin[at]mit[dot]edu" ; :Instrument = "Picarro Inc. G5310 Cavity Ringdown Spectrometer" ; :Software = "GCWerks" ; }

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Filename: GAL202310_N2O_CO.nc (4.99 MB)
Type: NetCDF
Description: Primary data file for BCO-DMO dataset ID 917743, version 3. Dates: 2023-10-01 to 2023-10-31 netcdf GAL202310_N2O_CO { dimensions: time = 43317 ; variables: double n2o_mean(time) ; n2o_mean:_FillValue = NaN ; n2o_mean:long_name = "mean nitrous oxide mole fraction" ; n2o_mean:units = "ppb" ; n2o_mean:scale = "NOAA-WMO-N2O_X2006A" ; double n2o_stdev(time) ; n2o_stdev:_FillValue = NaN ; n2o_stdev:long_name = "nitrous oxide mole fraction standard deviation" ; n2o_stdev:units = "ppb" ; n2o_stdev:scale = "NOAA-WMO-N2O_X2006A" ; double n2o_number(time) ; n2o_number:_FillValue = NaN ; n2o_number:long_name = "number of n2o measurements averaged in each time stamp" ; n2o_number:units = "unitless" ; double co_mean(time) ; co_mean:_FillValue = NaN ; co_mean:long_name = "mean carbon monoxide mole fraction" ; co_mean:units = "ppb" ; co_mean:scale = "NOAA-WMO-CO_X2014A" ; double co_stdev(time) ; co_stdev:_FillValue = NaN ; co_stdev:long_name = "carbon monoxide mole fraction standard deviation" ; co_stdev:units = "ppb" ; co_stdev:scale = "NOAA-WMO-CO_X2014A" ; double co_number(time) ; co_number:_FillValue = NaN ; co_number:long_name = "number of co measurements averaged in each time stamp" ; co_number:units = "unitless" ; string time_string(time) ; time_string:long_name = "Time stamp corresponding to the sampling time in string format" ; time_string:timezone = "UTC" ; int64 time(time) ; time:timezone = "UTC" ; time:long_name = "Time stamp corresponding to the sampling time" ; time:units = "minutes since 2023-10-01 00:00:00" ; time:calendar = "proleptic_gregorian" ; // global attributes: :Site = "San Crisotbal, Galapagos Islands, Ecuador" ; string :Latitude = "0.8956 °S " ; string :Longitude = "89.6087 °W" ; :Inlet\ Height = "27 m above sea level" ; :Contact = "tcinay[at]mit[dot]edu or babbin[at]mit[dot]edu" ; :Instrument = "Picarro Inc. G5310 Cavity Ringdown Spectrometer" ; :Software = "GCWerks" ; }

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Filename: GAL202311_N2O_CO.nc (4.84 MB)
Type: NetCDF
Description: Primary data file for BCO-DMO dataset ID 917743, version 3. Dates: 2023-11-01 to 2023-11-30 netcdf GAL202311_N2O_CO { dimensions: time = 42027 ; variables: double n2o_mean(time) ; n2o_mean:_FillValue = NaN ; n2o_mean:long_name = "mean nitrous oxide mole fraction" ; n2o_mean:units = "ppb" ; n2o_mean:scale = "NOAA-WMO-N2O_X2006A" ; double n2o_stdev(time) ; n2o_stdev:_FillValue = NaN ; n2o_stdev:long_name = "nitrous oxide mole fraction standard deviation" ; n2o_stdev:units = "ppb" ; n2o_stdev:scale = "NOAA-WMO-N2O_X2006A" ; double n2o_number(time) ; n2o_number:_FillValue = NaN ; n2o_number:long_name = "number of n2o measurements averaged in each time stamp" ; n2o_number:units = "unitless" ; double co_mean(time) ; co_mean:_FillValue = NaN ; co_mean:long_name = "mean carbon monoxide mole fraction" ; co_mean:units = "ppb" ; co_mean:scale = "NOAA-WMO-CO_X2014A" ; double co_stdev(time) ; co_stdev:_FillValue = NaN ; co_stdev:long_name = "carbon monoxide mole fraction standard deviation" ; co_stdev:units = "ppb" ; co_stdev:scale = "NOAA-WMO-CO_X2014A" ; double co_number(time) ; co_number:_FillValue = NaN ; co_number:long_name = "number of co measurements averaged in each time stamp" ; co_number:units = "unitless" ; string time_string(time) ; time_string:long_name = "Time stamp corresponding to the sampling time in string format" ; time_string:timezone = "UTC" ; int64 time(time) ; time:timezone = "UTC" ; time:long_name = "Time stamp corresponding to the sampling time" ; time:units = "minutes since 2023-11-01 00:00:00" ; time:calendar = "proleptic_gregorian" ; // global attributes: :Site = "San Crisotbal, Galapagos Islands, Ecuador" ; string :Latitude = "0.8956 °S " ; string :Longitude = "89.6087 °W" ; :Inlet\ Height = "27 m above sea level" ; :Contact = "tcinay[at]mit[dot]edu or babbin[at]mit[dot]edu" ; :Instrument = "Picarro Inc. G5310 Cavity Ringdown Spectrometer" ; :Software = "GCWerks" ; }

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Filename: GAL202312_N2O_CO.nc (4.99 MB)
Type: NetCDF
Description: Primary data file for BCO-DMO dataset ID 917743, version 3. Dates: 2023-12-01 to 2023-12-31 netcdf GAL202312_N2O_CO { dimensions: time = 43284 ; variables: double n2o_mean(time) ; n2o_mean:_FillValue = NaN ; n2o_mean:long_name = "mean nitrous oxide mole fraction" ; n2o_mean:units = "ppb" ; n2o_mean:scale = "NOAA-WMO-N2O_X2006A" ; double n2o_stdev(time) ; n2o_stdev:_FillValue = NaN ; n2o_stdev:long_name = "nitrous oxide mole fraction standard deviation" ; n2o_stdev:units = "ppb" ; n2o_stdev:scale = "NOAA-WMO-N2O_X2006A" ; double n2o_number(time) ; n2o_number:_FillValue = NaN ; n2o_number:long_name = "number of n2o measurements averaged in each time stamp" ; n2o_number:units = "unitless" ; double co_mean(time) ; co_mean:_FillValue = NaN ; co_mean:long_name = "mean carbon monoxide mole fraction" ; co_mean:units = "ppb" ; co_mean:scale = "NOAA-WMO-CO_X2014A" ; double co_stdev(time) ; co_stdev:_FillValue = NaN ; co_stdev:long_name = "carbon monoxide mole fraction standard deviation" ; co_stdev:units = "ppb" ; co_stdev:scale = "NOAA-WMO-CO_X2014A" ; double co_number(time) ; co_number:_FillValue = NaN ; co_number:long_name = "number of co measurements averaged in each time stamp" ; co_number:units = "unitless" ; string time_string(time) ; time_string:long_name = "Time stamp corresponding to the sampling time in string format" ; time_string:timezone = "UTC" ; int64 time(time) ; time:timezone = "UTC" ; time:long_name = "Time stamp corresponding to the sampling time" ; time:units = "minutes since 2023-12-01 00:00:00" ; time:calendar = "proleptic_gregorian" ; // global attributes: :Site = "San Crisotbal, Galapagos Islands, Ecuador" ; string :Latitude = "0.8956 °S " ; string :Longitude = "89.6087 °W" ; :Inlet\ Height = "27 m above sea level" ; :Contact = "tcinay[at]mit[dot]edu or babbin[at]mit[dot]edu" ; :Instrument = "Picarro Inc. G5310 Cavity Ringdown Spectrometer" ; :Software = "GCWerks" ; }

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Filename: GAL202401_N2O_CO.nc (4.94 MB)
Type: NetCDF
Description: Primary data file for BCO-DMO dataset ID 917743, version 3. Dates: 2024-01-01 to 2024-01-31 netcdf GAL202401_N2O_CO { dimensions: time = 43061 ; variables: double n2o_mean(time) ; n2o_mean:_FillValue = NaN ; n2o_mean:long_name = "mean nitrous oxide mole fraction" ; n2o_mean:units = "ppb" ; n2o_mean:scale = "NOAA-WMO-N2O_X2006A" ; double n2o_stdev(time) ; n2o_stdev:_FillValue = NaN ; n2o_stdev:long_name = "nitrous oxide mole fraction standard deviation" ; n2o_stdev:units = "ppb" ; n2o_stdev:scale = "NOAA-WMO-N2O_X2006A" ; double n2o_number(time) ; n2o_number:_FillValue = NaN ; n2o_number:long_name = "number of n2o measurements averaged in each time stamp" ; n2o_number:units = "unitless" ; double co_mean(time) ; co_mean:_FillValue = NaN ; co_mean:long_name = "mean carbon monoxide mole fraction" ; co_mean:units = "ppb" ; co_mean:scale = "NOAA-WMO-CO_X2014A" ; double co_stdev(time) ; co_stdev:_FillValue = NaN ; co_stdev:long_name = "carbon monoxide mole fraction standard deviation" ; co_stdev:units = "ppb" ; co_stdev:scale = "NOAA-WMO-CO_X2014A" ; double co_number(time) ; co_number:_FillValue = NaN ; co_number:long_name = "number of co measurements averaged in each time stamp" ; co_number:units = "unitless" ; string time_string(time) ; time_string:long_name = "Time stamp corresponding to the sampling time in string format" ; time_string:timezone = "UTC" ; int64 time(time) ; time:timezone = "UTC" ; time:long_name = "Time stamp corresponding to the sampling time" ; time:units = "minutes since 2024-01-01 00:00:00" ; time:calendar = "proleptic_gregorian" ; // global attributes: :Site = "San Crisotbal, Galapagos Islands, Ecuador" ; string :Latitude = "0.8956 °S " ; string :Longitude = "89.6087 °W" ; :Inlet\ Height = "27 m above sea level" ; :Contact = "tcinay[at]mit[dot]edu or babbin[at]mit[dot]edu" ; :Instrument = "Picarro Inc. G5310 Cavity Ringdown Spectrometer" ; :Software = "GCWerks" ; }

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Filename: GAL202402_N2O_CO.nc (4.53 MB)
Type: NetCDF
Description: Primary data file for BCO-DMO dataset ID 917743, version 3. Dates: 2024-02-01 to 2024-02-29 netcdf GAL202402_N2O_CO { dimensions: time = 39441 ; variables: double n2o_mean(time) ; n2o_mean:_FillValue = NaN ; n2o_mean:long_name = "mean nitrous oxide mole fraction" ; n2o_mean:units = "ppb" ; n2o_mean:scale = "NOAA-WMO-N2O_X2006A" ; double n2o_stdev(time) ; n2o_stdev:_FillValue = NaN ; n2o_stdev:long_name = "nitrous oxide mole fraction standard deviation" ; n2o_stdev:units = "ppb" ; n2o_stdev:scale = "NOAA-WMO-N2O_X2006A" ; double n2o_number(time) ; n2o_number:_FillValue = NaN ; n2o_number:long_name = "number of n2o measurements averaged in each time stamp" ; n2o_number:units = "unitless" ; double co_mean(time) ; co_mean:_FillValue = NaN ; co_mean:long_name = "mean carbon monoxide mole fraction" ; co_mean:units = "ppb" ; co_mean:scale = "NOAA-WMO-CO_X2014A" ; double co_stdev(time) ; co_stdev:_FillValue = NaN ; co_stdev:long_name = "carbon monoxide mole fraction standard deviation" ; co_stdev:units = "ppb" ; co_stdev:scale = "NOAA-WMO-CO_X2014A" ; double co_number(time) ; co_number:_FillValue = NaN ; co_number:long_name = "number of co measurements averaged in each time stamp" ; co_number:units = "unitless" ; string time_string(time) ; time_string:long_name = "Time stamp corresponding to the sampling time in string format" ; time_string:timezone = "UTC" ; int64 time(time) ; time:timezone = "UTC" ; time:long_name = "Time stamp corresponding to the sampling time" ; time:units = "minutes since 2024-02-01 00:00:00" ; time:calendar = "proleptic_gregorian" ; // global attributes: :Site = "San Crisotbal, Galapagos Islands, Ecuador" ; string :Latitude = "0.8956 °S " ; string :Longitude = "89.6087 °W" ; :Inlet\ Height = "27 m above sea level" ; :Contact = "tcinay[at]mit[dot]edu or babbin[at]mit[dot]edu" ; :Instrument = "Picarro Inc. G5310 Cavity Ringdown Spectrometer" ; :Software = "GCWerks" ; }

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Filename: GAL202403_N2O_CO.nc (4.98 MB)
Type: NetCDF
Description: Primary data file for BCO-DMO dataset ID 917743, version 3. Dates: 2024-03-01 to 2024-03-31 netcdf GAL202403_N2O_CO { dimensions: time = 43268 ; variables: double n2o_mean(time) ; n2o_mean:_FillValue = NaN ; n2o_mean:long_name = "mean nitrous oxide mole fraction" ; n2o_mean:units = "ppb" ; n2o_mean:scale = "NOAA-WMO-N2O_X2006A" ; double n2o_stdev(time) ; n2o_stdev:_FillValue = NaN ; n2o_stdev:long_name = "nitrous oxide mole fraction standard deviation" ; n2o_stdev:units = "ppb" ; n2o_stdev:scale = "NOAA-WMO-N2O_X2006A" ; double n2o_number(time) ; n2o_number:_FillValue = NaN ; n2o_number:long_name = "number of n2o measurements averaged in each time stamp" ; n2o_number:units = "unitless" ; double co_mean(time) ; co_mean:_FillValue = NaN ; co_mean:long_name = "mean carbon monoxide mole fraction" ; co_mean:units = "ppb" ; co_mean:scale = "NOAA-WMO-CO_X2014A" ; double co_stdev(time) ; co_stdev:_FillValue = NaN ; co_stdev:long_name = "carbon monoxide mole fraction standard deviation" ; co_stdev:units = "ppb" ; co_stdev:scale = "NOAA-WMO-CO_X2014A" ; double co_number(time) ; co_number:_FillValue = NaN ; co_number:long_name = "number of co measurements averaged in each time stamp" ; co_number:units = "unitless" ; string time_string(time) ; time_string:long_name = "Time stamp corresponding to the sampling time in string format" ; time_string:timezone = "UTC" ; int64 time(time) ; time:timezone = "UTC" ; time:long_name = "Time stamp corresponding to the sampling time" ; time:units = "minutes since 2024-03-01 00:00:00" ; time:calendar = "proleptic_gregorian" ; // global attributes: :Site = "San Crisotbal, Galapagos Islands, Ecuador" ; string :Latitude = "0.8956 °S " ; string :Longitude = "89.6087 °W" ; :Inlet\ Height = "27 m above sea level" ; :Contact = "tcinay[at]mit[dot]edu or babbin[at]mit[dot]edu" ; :Instrument = "Picarro Inc. G5310 Cavity Ringdown Spectrometer" ; :Software = "GCWerks" ; }

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Filename: GAL202404_N2O_CO.nc (4.67 MB)
Type: NetCDF
Description: Primary data file for BCO-DMO dataset ID 917743, version 3. Dates: 2024-04-01 to 2024-04-30 netcdf GAL202404_N2O_CO { dimensions: time = 40545 ; variables: double n2o_mean(time) ; n2o_mean:_FillValue = NaN ; n2o_mean:long_name = "mean nitrous oxide mole fraction" ; n2o_mean:units = "ppb" ; n2o_mean:scale = "NOAA-WMO-N2O_X2006A" ; double n2o_stdev(time) ; n2o_stdev:_FillValue = NaN ; n2o_stdev:long_name = "nitrous oxide mole fraction standard deviation" ; n2o_stdev:units = "ppb" ; n2o_stdev:scale = "NOAA-WMO-N2O_X2006A" ; double n2o_number(time) ; n2o_number:_FillValue = NaN ; n2o_number:long_name = "number of n2o measurements averaged in each time stamp" ; n2o_number:units = "unitless" ; double co_mean(time) ; co_mean:_FillValue = NaN ; co_mean:long_name = "mean carbon monoxide mole fraction" ; co_mean:units = "ppb" ; co_mean:scale = "NOAA-WMO-CO_X2014A" ; double co_stdev(time) ; co_stdev:_FillValue = NaN ; co_stdev:long_name = "carbon monoxide mole fraction standard deviation" ; co_stdev:units = "ppb" ; co_stdev:scale = "NOAA-WMO-CO_X2014A" ; double co_number(time) ; co_number:_FillValue = NaN ; co_number:long_name = "number of co measurements averaged in each time stamp" ; co_number:units = "unitless" ; string time_string(time) ; time_string:long_name = "Time stamp corresponding to the sampling time in string format" ; time_string:timezone = "UTC" ; int64 time(time) ; time:timezone = "UTC" ; time:long_name = "Time stamp corresponding to the sampling time" ; time:units = "minutes since 2024-04-01 00:00:00" ; time:calendar = "proleptic_gregorian" ; // global attributes: :Site = "San Crisotbal, Galapagos Islands, Ecuador" ; string :Latitude = "0.8956 °S " ; string :Longitude = "89.6087 °W" ; :Inlet\ Height = "27 m above sea level" ; :Contact = "tcinay[at]mit[dot]edu or babbin[at]mit[dot]edu" ; :Instrument = "Picarro Inc. G5310 Cavity Ringdown Spectrometer" ; :Software = "GCWerks" ; }

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Filename: GAL202405_N2O_CO.nc (5.01 MB)
Type: NetCDF
Description: Primary data file for BCO-DMO dataset ID 917743, version 3. Dates: 2024-05-01 to 2024-05-31 netcdf GAL202405_N2O_CO { dimensions: time = 43634 ; variables: double n2o_mean(time) ; n2o_mean:_FillValue = NaN ; n2o_mean:long_name = "mean nitrous oxide mole fraction" ; n2o_mean:units = "ppb" ; n2o_mean:scale = "NOAA-WMO-N2O_X2006A" ; double n2o_stdev(time) ; n2o_stdev:_FillValue = NaN ; n2o_stdev:long_name = "nitrous oxide mole fraction standard deviation" ; n2o_stdev:units = "ppb" ; n2o_stdev:scale = "NOAA-WMO-N2O_X2006A" ; double n2o_number(time) ; n2o_number:_FillValue = NaN ; n2o_number:long_name = "number of n2o measurements averaged in each time stamp" ; n2o_number:units = "unitless" ; double co_mean(time) ; co_mean:_FillValue = NaN ; co_mean:long_name = "mean carbon monoxide mole fraction" ; co_mean:units = "ppb" ; co_mean:scale = "NOAA-WMO-CO_X2014A" ; double co_stdev(time) ; co_stdev:_FillValue = NaN ; co_stdev:long_name = "carbon monoxide mole fraction standard deviation" ; co_stdev:units = "ppb" ; co_stdev:scale = "NOAA-WMO-CO_X2014A" ; double co_number(time) ; co_number:_FillValue = NaN ; co_number:long_name = "number of co measurements averaged in each time stamp" ; co_number:units = "unitless" ; string time_string(time) ; time_string:long_name = "Time stamp corresponding to the sampling time in string format" ; time_string:timezone = "UTC" ; int64 time(time) ; time:timezone = "UTC" ; time:long_name = "Time stamp corresponding to the sampling time" ; time:units = "minutes since 2024-05-01 00:00:00" ; time:calendar = "proleptic_gregorian" ; // global attributes: :Site = "San Crisotbal, Galapagos Islands, Ecuador" ; string :Latitude = "0.8956 °S " ; string :Longitude = "89.6087 °W" ; :Inlet\ Height = "27 m above sea level" ; :Contact = "tcinay[at]mit[dot]edu or babbin[at]mit[dot]edu" ; :Instrument = "Picarro Inc. G5310 Cavity Ringdown Spectrometer" ; :Software = "GCWerks" ; }

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Filename: GAL202406_N2O_CO.nc (4.82 MB)
Type: NetCDF
Description: Primary data file for BCO-DMO dataset ID 917743, version 3. Dates: 2024-06-01 to 2024-06-30 netcdf GAL202406_N2O_CO { dimensions: time = 41737 ; variables: double n2o_mean(time) ; n2o_mean:_FillValue = NaN ; n2o_mean:long_name = "mean nitrous oxide mole fraction" ; n2o_mean:units = "ppb" ; n2o_mean:scale = "NOAA-WMO-N2O_X2006A" ; double n2o_stdev(time) ; n2o_stdev:_FillValue = NaN ; n2o_stdev:long_name = "nitrous oxide mole fraction standard deviation" ; n2o_stdev:units = "ppb" ; n2o_stdev:scale = "NOAA-WMO-N2O_X2006A" ; double n2o_number(time) ; n2o_number:_FillValue = NaN ; n2o_number:long_name = "number of n2o measurements averaged in each time stamp" ; n2o_number:units = "unitless" ; double co_mean(time) ; co_mean:_FillValue = NaN ; co_mean:long_name = "mean carbon monoxide mole fraction" ; co_mean:units = "ppb" ; co_mean:scale = "NOAA-WMO-CO_X2014A" ; double co_stdev(time) ; co_stdev:_FillValue = NaN ; co_stdev:long_name = "carbon monoxide mole fraction standard deviation" ; co_stdev:units = "ppb" ; co_stdev:scale = "NOAA-WMO-CO_X2014A" ; double co_number(time) ; co_number:_FillValue = NaN ; co_number:long_name = "number of co measurements averaged in each time stamp" ; co_number:units = "unitless" ; string time_string(time) ; time_string:long_name = "Time stamp corresponding to the sampling time in string format" ; time_string:timezone = "UTC" ; int64 time(time) ; time:timezone = "UTC" ; time:long_name = "Time stamp corresponding to the sampling time" ; time:units = "minutes since 2024-06-01 00:00:00" ; time:calendar = "proleptic_gregorian" ; // global attributes: :Site = "San Crisotbal, Galapagos Islands, Ecuador" ; string :Latitude = "0.8956 °S " ; string :Longitude = "89.6087 °W" ; :Inlet\ Height = "27 m above sea level" ; :Contact = "tcinay[at]mit[dot]edu or babbin[at]mit[dot]edu" ; :Instrument = "Picarro Inc. G5310 Cavity Ringdown Spectrometer" ; :Software = "GCWerks" ; }

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This version (v3) of the dataset includes 18 NetCDF files:

(1) GAL202307_N2O_CO.nc for the time period 2023-07-18 to 2023-07-31 (yyyy-mm-dd)

(2) GAL202308_N2O_CO.nc for the time period 2023-08-01 to 2023-08-31

(3) GAL202309_N2O_CO.nc for the time period 2023-09-01 to 2023-09-30

(4) GAL202310_N2O_CO.nc for the time period 2023-10-01 to 2023-10-31

(5) GAL202311_N2O_CO.nc for the time period 2023-11-01 to 2023-11-30

(6) GAL202312_N2O_CO.nc for the time period 2023-12-01 to 2023-12-31

(7)GAL202401_N2O_CO.nc for the time period 2024-01-01 to 2024-01-31

(8) GAL202402_N2O_CO.nc for the time period 2024-01-02 to 2024-02-29

(9) GAL202403_N2O_CO.nc for the time period 2024-03-01 to 2024-03-31

(10) GAL202404_N2O_CO.nc for the time period 2024-04-01 to 2024-04-30

(11) GAL202405_N2O_CO.nc for the time period 2024-05-01 to 2024-05-31

(12) GAL202406_N2O_CO.nc for the time period 2024-06-01 to 2024-06-30

(13) GAL202407_N2O_CO.nc for the time period 2024-07-01 to 2024-07-31

(14) GAL202408_N2O_CO.nc for the time period 2024-08-01 to 2024-08-31

(15) GAL202409_N2O_CO.nc for the time period 2024-09-01 to 2024-09-30

(16) GAL202410_N2O_CO.nc for the time period 2024-10-01 to 2024-10-31

(17) GAL202411_N2O_CO.nc for the time period 2024-11-01 to 2024-11-30

(18) GAL202412_N2O_CO.nc for the time period 2024-12-01 to 2024-12-31

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Dataset: Monthly atmospheric nitrous oxide (N₂O) and carbon monoxide (CO) mixing ratio measurements from San Cristobal, Galápagos Islands collected using a cavity ring-down spectrometer from July 2023 to December 2024

Principal Investigator: Andrew R. Babbin (Massachusetts Institute of Technology)

Student: Timur Cinay (Massachusetts Institute of Technology)

BCO-DMO Data Manager: Shannon Rauch (Woods Hole Oceanographic Institution)

Project: EAGER: Testing the Galápagos as a long-term monitoring site for nitrous oxide emissions from the Pacific oxygen deficient zones (ETP ODZ mapping)

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