Underway MET data from R/V New Horizon cruise NH1008 in Monterey Bay, near MBARI buoy M1 (36.747?N, 122.022?W); 2010 (GATEKEEPERS project)

Website: https://www.bco-dmo.org/dataset/3716
Version: 11 September 2012
Version Date: 2012-09-11

Project
» Zooplankton feeding at the base of the particle maximum: Gatekeepers of the Vertical Flux? (GATEKEEPERS)
ContributorsAffiliationRole
Checkley, David M.University of California-San Diego (UCSD-SIO)Principal Investigator, Contact
Dagg, MichaelLouisiana Universities Marine Consortium (LUMCON)Co-Principal Investigator
Jackson, George A.Texas A&M University (TAMU)Co-Principal Investigator
Gegg, Stephen R.Woods Hole Oceanographic Institution (WHOI BCO-DMO)BCO-DMO Data Manager


Dataset Description

Underway MET Data - Corrected

Methods & Sampling


Data Processing Description

MET Acquisition

MET Specs

BCO-DMO Processing/Edits
- Generated from .MET files contributed by Jessica Forrest-Baldini
- Awk routine "NewHorizon_MET_2_BCODMO.awk" generated
- Date generated from filename
- ISO DateTime format generated
- BCO-DMO compatible parameter header generated


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Data Files

File
Underway_MET.csv
(Comma Separated Values (.csv), 35.73 MB)
MD5:95b7a775894af634456fb49468222168
Primary data file for dataset ID 3716

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Parameters

ParameterDescriptionUnits
ISO_DateTime_UTC

Date/Time (UTC) ISO formatted

YYYY-MM-DDTHH:MM:SS.xxZ
Date

Date (UTC)

YYYYMMDD
Time

Time (UTC)

HHMMSS
WS

Rel Wind Speed

M/S
WD

Rel Wind Direction (Direction wind is coming from)

Deg
TW

True Wind Speed

M/S
TI

True Wind Direction (Direction wind is coming from)

Deg
WS_2

WS-2

(tbd)
WD_2

WD-2

(tbd)
TW_2

TW_2

(tbd)
TI_2

TI-2

(tbd)
AT

Air Temperature

Deg C
BP

Barometric Pressure

millibars (mb)
RH

Relative Humidity

percentage
RT

Air Temp (RH module)

Deg C
DP

Dew Point

Deg C
PR

Precipitation

millimeters (mm)
LD

LWR Dome Temperature

Deg K
LB

LWR Body Temperature

Deg K
LT

LWR Thermopile

Volts
LW

Long Wave Radiation (LWR)

W/M^2 (Pyrgeometer)
SW

Short Wave Radiation (SWR)

W/M^2 (Pyranometer)
PA

Surface PAR

uE/Second/Meter^2
ST

Sea Surface Temperature

Deg C
TT

Thermosalinograph Temperature

Deg C
TC

Thermosalinograph Conductivity (with slope offset correction)

milliSiemens per centimeter (mS/cm)
SA

Salinity

PSU
SD

Sigma-t

Kg/m^3
SV

Sound Vel (Chen/Millero)

M/S
TG

Thermosalinograph Conductivity (no slope offset correction)

milliSiemens per centimeter (mS/cm)
FL

Fluorometer

ug/l
FL_2

FL-2

(tbd)
FI

USW Flow Meter

LPM
BT

Bottom Depth

Meters
LA

Latitude Decimal format (South is negative)

decimal degrees
LO

Longitude Decimal format (West is negative)

decimal degrees
GT

GPS Time of Day

GMT Secs 0-86400
CR

Ships Course (GPS COG)

Deg
SP

Ship's Speed (GPS SOG)

Knots
ZD

GPS DateTime

GMT Secs Since 00:00:00 01/01/1970
GA

GPS Altitude (above/below Mean Sealevel)

Meters
GS

GPS Status/Number Satellites

1st digit - Status (see below)

Last two digits - Number satellites



GPS status indicator

**GPS status indicator**

0 = fix not available or invalid

1 = GPS SPS mode fix valid

2 = differential GPS SPS mode fix valid

3 = GPS PPS mode fix valid

4 = Real Time Kinematic. Satellite system used in RTK mode with fixed integers

5 = Float RTK. Satellite system used in RTK mode with floating integers

6 = Estimated (dead reckoning) mode

7 = Manual input mode

8 = Simulator mode

Dimensionless
GY

Ships Heading (Gyrocompass)

Deg
SL

Ship's Speed Log - Longitudinal

Knots
SX

Speed Log - Transverse

Knots
SH

Ashtech Heading

Deg
SM

Ashtech Pitch

Deg
SR

Ashtech Roll

Deg
ZO

Winch Wire Out

Meters
ZS

Winch Speed

MPM
ZT

Winch Tension

LBS
IP

CTD Depth

Meters
IV

CTD Velocity

Meters/Second
IA

CTD Altimeter

Meters


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Instruments

Dataset-specific Instrument Name
SIO Shipboard Meteorological System
Generic Instrument Name
Meteorological Station
Dataset-specific Description
MET Acquisition MET Specs
Generic Instrument Description
MET station systems are designed to record meteorological information on board ships or mounted on moorings. These are commonly referred to as EMET (Electronic Meteorological Packages) or IMET (Improved Meteorological Packages) systems. These sensor packages record measurements of sea surface temperature and salinity, air temperature, wind speed and direction, barometric pressure, solar and long-wave radiation, humidity and precipitation.


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Deployments

NH1008

Website
Platform
R/V New Horizon
Report
Start Date
2010-07-08
End Date
2010-07-25
Description
Collaborative Research: Zooplankton at the Base of the Particle Maximum: Gatekeepers of the Vertical Flux?: Deployment and recovery of SOLOPCs in Monterey Bay, plus CTD and MOCNESS deployments in Monterey Bay Cruise information and original data are available from the NSF R2R data catalog. Figure 1. R/V New Horizon Cruise NH1008 GATEKEEPERS [click on the image to view a larger version]


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Project Information

Zooplankton feeding at the base of the particle maximum: Gatekeepers of the Vertical Flux? (GATEKEEPERS)


Coverage: Monterey Bay, CA and waters offshore


Zooplankton feeding at the base of the particle maximum: Gatekeepers of the Vertical Flux?

A range of observations suggest that zooplankton act as gatekeepers for material leaving the euphotic zone. This study will investigate the interactions of zooplankton with other particles using a suite of autonomous and tethered instruments in conjunction with finescale water sampling. The SOLOPC (Sounding Oceanographic Observer with Laser Optical Plankton Counter) will be the autonomous instrument and provide hourly profiles of zooplankton and other particles. Previous sampling with the SOLOPC indicated a diel cycle of production and abundance of particles in the euphotic zone and their sinking and consumption, presumably by zooplankton observed at the base of the particle abundance maximum. The SOLOPC senses particles, including zooplankton and aggregates, and measures their equivalent spherical diameters which can be used to compute particle size spectra. However, it is difficult to use the SOLOPC to distinguish among particle types, such as copepods, larvaceans, and aggregates, particularly if they are small. The research will include an intensive field study that will take place in Monterey Bay and use adaptive sampling to observe near SOLOPCs with a new, AUV-borne imaging system, ship-based CTD and MOCNESS sampling, and MBARI's ROV Ventana. The investigators will alter a SOLOPC to be stationary relative to an isopycnal and use the particle counts that it accumulates to calculate a flux spectrum. They will combine the flux and concentration spectra to estimate particle sinking velocities as a function of particle diameter. Zooplankton feeding in the water column will be estimated by analyzing the gut fluorescence of animals caught in zooplankton nets and by counting the distribution of fecal pellets in water samples. Results will enhance the understanding of the role of the zooplankton as gatekeepers in the vertical flux of particles and, hence, the biological pump. The study will also provide new insight into factors that affect zooplankton behavior and ecology.

Collaborating institutions include SIO, TAMU, LUMCON, MBARI, BIO, and Université Paris VI. The SOLOPC, modified to measure flux as well as profile, and REFLICS are intended for acquisition and use by other researchers worldwide. The understanding we gain of role of the zooplankton as gatekeepers of the vertical flux will contribute valuably to understanding of the biological pump and the carbon cycle.

PUBLICATIONS PRODUCED AS A RESULT OF THIS RESEARCH
Jackson, GA and DM Checkley Jr. "Particle size distributions in the upper 100 m water column and their implications for animal feeding in the plankton," Deep-Sea Research, 2011.

Figure 1. R/V New Horizon Cruise NH1008 GATEKEEPERS
[click on the image to view a larger version]



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Funding

Funding SourceAward
NSF Division of Ocean Sciences (NSF OCE)
NSF Division of Ocean Sciences (NSF OCE)
NSF Division of Ocean Sciences (NSF OCE)

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