Waveglider data for the SPURS-1 N. Atlantic field campaign

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DOI	10.5067/SPUR1-GLID3
Short Name	SPURS1_WAVEGLIDER
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. A Waveglider is an autonomous platform propelled by the conversion of ocean wave energy into forward thrust and employing solar panels to power instrumentation. During SPURS-1, three wavegliders (ASL2, ASL3 and ASL4) were deployed from the Knorr in September 2012, redeployed in April 2013 (ASL22, ASL32 and ASL42) with final recovery in September. Waveglider trajectories followed a square loop or butterfly pattern around the central SPURS mooring. Sensors included a CTD at the near-surface and another at 6 m depth, a surface current meter, air temperature, atmospheric pressure and wind speed sensors providing continuous along-track observations. NetCDF waveglider data files here contain hour averaged, georeferenced trajectory data for those parameters and depths.
Version	1.0
Dataset Type	OPEN
Measurement	OCEANS > SALINITY/DENSITY > CONDUCTIVITY OCEANS > OCEAN TEMPERATURE > TEMPERATURE PROFILES OCEANS > OCEAN WINDS > SURFACE WINDS OCEANS > OCEAN CIRCULATION > CURRENT VELOCITY OCEANS > SALINITY/DENSITY > SALINITY OCEANS > OCEAN TEMPERATURE > SURFACE AIR TEMPERATURE OCEANS > OCEAN PRESSURE > SURFACE PRESSURE
Processing Level	2
Coverage	Region: SPURS-1 N.Atlantic Salinity maximum region Northernmost Latitude: 42 degrees Southernmost Latitude: 23 degrees Westernmost Longitude: -71 degrees Easternmost Longitude: -37 degrees Time Span: 2012-Sep-01 to 2013-Mar-25
Resolution	Spatial Resolution: 0 km (Along) x 0 km (Across)
Projection	Type: Detail: Ellipsoid: WGS84
Latency	9000 hours
Swath Width	0.001 km
Sample Frequency	-
Temporal Repeat (Nominal)	1 Day
Temporal Repeat (Min)	-
Temporal Repeat (Max)	-
Platform/Sensor	Waveglider Platform Name: SPURS-I WHOI Waveglider (Waveglider) Orbit Period: 0 minutes Inclination Angle: 0 degrees Ascending Node: 1970-Jan-01 00:00:00 / MMS SENSOR Name: Meteorological Measurement System (MMS) Swath Width: 0.001 km Description: Waveglider meteorological package (eg. air temperature, pressure, winds) Waveglider Platform Name: SPURS-I WHOI Waveglider (Waveglider) Orbit Period: 0 minutes Inclination Angle: 0 degrees Ascending Node: 1970-Jan-01 00:00:00 / CURRENT METERS SENSOR Name: Current Meter (CURRENT METERS) Swath Width: 0.001 km Description: Waveglider Current Meter Waveglider Platform Name: SPURS-I WHOI Waveglider (Waveglider) Orbit Period: 0 minutes Inclination Angle: 0 degrees Ascending Node: 1970-Jan-01 00:00:00 / CTD SENSOR Name: Conductivity, Temperature, Depth (CTD) Swath Width: 0.001 km Description: Saildrone Teledyne CTD (2632)
Project	NASA Salinity Processes in the Upper Ocean Regional Study (SPURS)
Data Provider	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
Keyword(s)	Waveglider, CTD, trajectory, Salinity, Conductivity, Temperature, Depth, Pressure, Upper Ocean, SPURS1, North Atlantic Ocean, salinity maximum region, insitu, SPURS
Persistent ID	PODAAC-SPUR1-GLID3

Questions related to this dataset? Contact podaac@podaac.jpl.nasa.gov

PO.DAAC DRIVE	https://podaac-tools.jpl.nasa.gov/drive/files/allData/insitu/L2/spurs1/waveglider
OPENDAP	https://podaac-opendap.jpl.nasa.gov/opendap/allData/insitu/L2/spurs1/waveglider/
Format (Compression)	NETCDF (NONE)
Read Software
R	https://podaac-tools.jpl.nasa.gov/drive/files/allData/insitu/L2/spurs1/sw/R R Reader and calling routines
MATLAB	https://podaac-tools.jpl.nasa.gov/drive/files/allData/insitu/L2/spurs1/sw/Matlab MATLAB Reader and calling routines

Project Materials
Archived SPURS-1 Website Content	https://podaac-tools.jpl.nasa.gov/drive/files/allData/insitu/L2/spurs1/docs/SpursWebsiteContent/ Meeting Materials, Cruise Blogs, and other archive artifacts
SPURS-1 Data Documentation Package	https://podaac-tools.jpl.nasa.gov/drive/files/allData/insitu/L2/spurs1/docs/DataDocumentation/ Data Submission Report, Instrument Calibration Report, etc
SPURS-1 Cruise Documentation Package	https://podaac-tools.jpl.nasa.gov/drive/files/allData/insitu/L2/spurs1/docs/CruiseReports/ Cruise Reports
Additional Sites
PO.DAAC SPURS Mission page	http://podaac.jpl.nasa.gov/spurs Field Campaign and Instrument Overview
SPURS Project Website	http://spurs.jpl.nasa.gov/ Project Website for SPURS

Citation

SPURS PROJECT, Fred Bingham. 2015. Waveglider data for the SPURS-1 N. Atlantic field campaign. Ver. 1.0. PO.DAAC, CA, USA. Dataset accessed [YYYY-MM-DD] at https://doi.org/10.5067/SPUR1-GLID3.

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For more information see Data Citations and Acknowledgments.

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.