SPURS-1 research vessel CTD profile data for N. Atlantic cruises
(SPURS1_CTD)| Version | 1.0 |
| Processing Level | 2 |
| Start/Stop Date | 2012-Aug-16 to 2013-Oct-05 |
| Short Name | SPURS1_CTD |
| Description | The SPURS (Salinity Processes in the Upper Ocean Regional Study) project is an oceanographic process study and associated field program that aim to elucidate key mechanisms responsible for near-surface salinity variations in the oceans. The project involves two field campaigns and a series of cruises in regions of the Atlantic and Pacific Oceans exhibiting salinity extremes. SPURS employs a suite of state-of-the-art in-situ sampling technologies that, combined with remotely sensed salinity fields from the Aquarius/SAC-D and SMOS satellites, provide a detailed characterization of salinity structure over a continuum of spatio-temporal scales. The SPURS-1 campaign involved a series of 5 cruises during 2012 - 2013 seeking to characterize the salinity structure and balance in a high salinity, high evaporation, and low rainfall region of the subtropical North Atlantic. It aims to resolve processes responsible for maintaining the subtropical surface salinity maximum in this region and within a 900 x 800-mile square study area centered at 25N, 38W. CTD (Conductivity, Temperature, Depth) profilers were deployed at stations on each of the 5 SPURS-1 cruises. These shipboard lowered CTD probes provide continuous conductivity, salinity, and temperature vertical profile observations at fixed sampling locations. There were 100, 52, 17, 22 and 94 CTD casts made during the Knorr, Endeavor-1, Endeavor-2, Sarmiento, and Thalassa cruises respectively. All CTD data were calibrated using shipboard salinometers using IAPSO standard seawater. SPURS-1 shipboard CTD data files (one per cruise) contain the observational data processed to 1 meter bin depth intervals. |
| DOI | 10.5067/SPUR1-CTD00 |
| Measurement | OCEANS > OCEAN TEMPERATURE > TEMPERATURE PROFILES OCEANS > SALINITY/DENSITY > CONDUCTIVITY OCEANS > SALINITY/DENSITY > SALINITY |
| Platform/Sensor | R/V Sarmiento / Platform Name: R/V Sarmiento De Gamboa (SPAIN) (R/V Sarmiento) Orbit Period: 0.0 minutes Inclination Angle: 0.0 degrees CTD SENSOR Name: Conductivity, Temperature, Depth (CTD) Swath Width: 0.001 kilometers Description: Spacecraft angular distance from orbital plane relative to the Equator. R/V Thalassa / Platform Name: R/V Thalassa (IFREMER, France) (R/V Thalassa) Orbit Period: 0.0 minutes Inclination Angle: 0.0 degrees CTD SENSOR Name: Conductivity, Temperature, Depth (CTD) Swath Width: 0.001 kilometers Description: Spacecraft angular distance from orbital plane relative to the Equator. R/V Endeavor / Platform Name: R/V Endeavor (WHOI) (R/V Endeavor) Orbit Period: 0.0 minutes Inclination Angle: 0.0 degrees CTD SENSOR Name: Conductivity, Temperature, Depth (CTD) Swath Width: 0.001 kilometers Description: Spacecraft angular distance from orbital plane relative to the Equator. R/V Knorr / Platform Name: R/V Knorr (WHOI) (R/V Knorr) Orbit Period: 0.0 minutes Inclination Angle: 0.0 degrees CTD SENSOR Name: Conductivity, Temperature, Depth (CTD) Swath Width: 0.001 kilometers Description: Spacecraft angular distance from orbital plane relative to the Equator. |
| Project | NASA Salinity Processes in the Upper Ocean Regional Study (SPURS) |
| Data Provider | Publisher: SPURS Data Management PI, Fred Bingham Creator: SPURS PROJECT, Fred Bingham Release Place: Department of Physics and Physical Oceanography, University on North Carolina, Wilmington, NC, USA Release Date: 2015-May-11 Resource: http://podaac.jpl.nasa.gov/SPURS |
| Format | netCDF-4 |
| Keyword(s) | CTD, vertical profile, Salinity, Conductivity, Temperature, Depth, Pressure, Upper Ocean, SPURS1, North Atlantic Ocean, salinity maximum region, Cruises, Endeavor, Knorr, Sarmiento, Thalassa, Vessel, insitu, SPURS |
Questions related to this dataset? Contact podaac@podaac.jpl.nasa.gov
Resolution Spatial Resolution: 1 Meters x 1 Meters Temporal Resolution: 1 Day Coverage Region: SPURS-1 N.Atlantic Salinity maximum region North Bounding Coordinate: 43 degrees South Bounding Coordinate: 23 degrees West Bounding Coordinate: -63 degrees East Bounding Coordinate: -37 degrees Time Span: 2012-Aug-16 to 2013-Oct-05 Granule Time Span: 2012-Aug-16 to 2013-Oct-05 Projection Ellipsoid: WGS 84 |
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| Available for access in-region with AWS Cloud | |
Region | |
| us-west-2 | |
| podaac-ops-cumulus-protected/SPURS1_CTD/ | |
| podaac-ops-cumulus-public/SPURS1_CTD/ | |
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| Name | Long Name | Unit |
|---|---|---|
| conductivity1 | Conductivity of CTD measurement | S/m |
| conductivity2 | Conductivity of CTD measurement | S/m |
| lat | Latitude of CTD measurement | degrees_north |
| lon | Longitude of CTD measurement | degrees_east |
| pressure | Pressure of CTD measurement | decibars |
| profile | Unique identifier for each feature instance | |
| salinity1 | Salinity of CTD measurement | psu |
| salinity2 | Salinity of CTD measurement | psu |
| temperature1 | Temperature of CTD measurement | degrees_C |
| temperature2 | Temperature of CTD measurement | degrees_C |
| time | Time of CTD measurement | seconds since 1970-01-01 00:00:00 0:00 |
| z | Depth of CTD measurement | meters |
| GENERAL DOCUMENTATION | |
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| DATA CITATION POLICY | |
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| DATA RECIPE | |
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Citation is critically important for dataset documentation and discovery. Please cite the data as follows, and cite the reference papers when it is appropriate.
| Citation | SPURS PROJECT, Fred Bingham. 2015. SPURS Field Campaign CTD Products. Ver. 1.0. PO.DAAC, CA, USA. Dataset accessed [YYYY-MM-DD] at https://doi.org/10.5067/SPUR1-CTD00
For more information see Data Citations and Acknowledgments.
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| Journal Reference | E.Lindstrom, F.Bryan, R.Schmitt. 2015. SPURS: Salinity Processes in the Upper-ocean Regional Study - The North Atlantic Experiment. Oceanography 28(1):14-19, http://dx.doi.org/10.5670/oceanog.2015.01. . |
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