Dataset: Pump CTD Profiles
Deployment: EMB276

Pump CTD Profiles

View Data: For data, See Dataset Metadata Page: https://www.bco-dmo.org/dataset/934904

Principal Investigator:

Colleen Hansel (Woods Hole Oceanographic Institution, WHOI)

Scientist:

Lina Taenzer (Woods Hole Oceanographic Institution, WHOI)

Contact:

Lina Taenzer (Woods Hole Oceanographic Institution, WHOI)

BCO-DMO Data Manager:

Karen Soenen (Woods Hole Oceanographic Institution, WHOI BCO-DMO)

Project:

Collaborative Research: Manganese Cycling and Coupling Across Redox Boundaries within Stratified Basins of the Baltic Sea (MnIONS)

Version:

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Description

Methods & Sampling

Dataset acquisition description

An independent pump CTD was used to collect data on macronutrients, described by Strady et al., 2008 and Schulz-Vogt et al., 2019 . Nutrient analyses were done according to guidelines of Grasshoff et al., 1999, with the precision on each nutrient being 0.01 (PO₄^3-), 0.02 (NO₃^-), 0.006 (NO₂^-), and 0.05 (NH₄⁺) µM.

The pump CTD was designed by groups at IOW and MPI, for the CTD in the PUMP–CTD-System a SBE911+ from SEABIRD-Electronics USA is used. Further details are provided in Strady et al., (2008).

CTD sensor measurements: temperature, conductivity and pressure. Temperature and salinity are mean values obtained from Temp (ITS-90) and Salinity Practical (PSU) from CTD data. Nutrients measured with Quattro Seal: NO3, NO2, NH4 and PO4.

Sensors connected to pump CTD O2, H2S and pH. See supplemental files for detection limits and calibration of these sensors.

Data Processing Description

Dataset Processing Description

The nutrient pump CTD data are smoothed using a gliding average over 7 depths.

More information about this dataset deployment

Funding

Award Number	Funding Source
OCE-1924236	NSF Division of Ocean Sciences

Instruments

CTD Sea-Bird 911

Supplied Name: PUMP–CTD-System

Supplied Description:

Pump CTD was designed by groups at IOW and MPI, for the CTD in the PUMP–CTD-System a SBE911+ from SEABIRD-Electronics USA is used. Further details are provided in Strady et al., (2008).

Instrument Type

Generic Name: CTD Sea-Bird 911

Acronym: CTD SBE 911

Community Identifier: http://vocab.nerc.ac.uk/collection/L22/current/TOOL0035/

Generic Description:

The Sea-Bird SBE 911 is a type of CTD instrument package. The SBE 911 includes the SBE 9 Underwater Unit and the SBE 11 Deck Unit (for real-time readout using conductive wire) for deployment from a vessel. The combination of the SBE 9 and SBE 11 is called a SBE 911. The SBE 9 uses Sea-Bird's standard modular temperature and conductivity sensors (SBE 3 and SBE 4). The SBE 9 CTD can be configured with auxiliary sensors to measure other parameters including dissolved oxygen, pH, turbidity, fluorescence, light (PAR), light transmission, etc.). More information from Sea-Bird Electronics.

Parameters

Supplied Name	Supplied description	Supplied Units	Standard Name
cruise_name	Name of the cruise	unitless	cruise_name
station_number	Station number	unitless	sta_name
station_name	Name of the station	unitless	sta_name
date	Date	unitless	date
time_UTC	Time in UTC	unitless	time
ISO_DateTime_UTC	Date Time in ISO format notation (UTC timezone)	unitless	ISO_DateTime_UTC
latitude_N	latitude, south is negative	decimal degrees	lat
longitude_E	longitude, west is negative	decimal degrees	lon
max_depth_m	the maximum depth at that station	meters (m)	depth_bottom
depth	depth of data	meters (m)	depth
H2S_uM	hydrogen sulfide	micromolar (µM)	H2S
O2_uM	oxygen	micromolar (µM)	O2
total_sulfide_umol_l	total sulfide	micromole per liter (µmol/L)	sulfide
pH	pH	unitless	pH
PO4_umol_l	phosphate	micromole per liter (µmol/L)	PO4
NO3	nitrate	micromole per liter (µmol/L)	NO3
NO2_umol_l	nitrite	micromole per liter (µmol/L)	NO2
NH4_umol_l	ammonium	micromole per liter (µmol/L)	NH4
SiO2_umol_l	silicate	micromole per liter (µmol/L)	SiO2
Fluor_mg_m3	fluorescence	mg/m^3	fluor
Turb_NTU	turbidity	NTU	turbidity
Density_Sig_tet	density	unitless	density
Temp_C	temperature	degrees Celsius (°C)	temp
Salinity_PSU_	salinity	PSU	sal

Database

Contribute Data

Dataset: Pump CTD Profiles
Deployment: EMB276

Dataset acquisition description

Dataset Processing Description

Database

Contribute Data

Dataset: Pump CTD ProfilesDeployment: EMB276

Dataset acquisition description

Dataset Processing Description

Dataset: Pump CTD Profiles
Deployment: EMB276