SPURS-2 Waveglider data for the E. Tropical Pacific field campaign

SPURS-2 Waveglider data for the E. Tropical Pacific field campaign
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DOI10.5067/SPUR2-GLID3
Short NameSPURS2_WAVEGLIDER
DescriptionThe SPURS (Salinity Processes in the Upper Ocean Regional Study) project is a NASA-funded oceanographic process study and associated field program that aim to elucidate key mechanisms responsible for near-surface salinity variations in the oceans. The project is comprised of 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, SMAP and SMOS satellites, provide a detailed characterization of salinity structure over a continuum of spatio-temporal scales. The SPURS-2 campaign involved two month-long cruises by the R/V Revelle in August 2016 and October 2017 combined with complementary sampling on a more continuous basis over this period by the schooner Lady Amber. Focused around a central mooring located near 10N,125W, the objective of SPURS-2 was to study the dynamics of the rainfall-dominated surface ocean at the western edge of the eastern Pacific fresh pool subject to high seasonal variability and strong zonal flows associated with the North Equatorial Current and Countercurrent. A Waveglider is an autonomous platform propelled by the conversion of ocean wave energy into forward thrust and employing solar panels to power instrumentation. For SPURS-2, sensors included a CTD at the near-surface and another at 6 m depth, providing continuous salinity and temperature observations plus air temperature and wind measurements. Three wavegliders (ASL22, 32, 42) were deployed from the Revelle in August 2016 and again in November 2017 before final retrieval at the conclusion on the second cruise. Waveglider trajectories followed a 20x20km square loop around the moorings and a butterfly pattern around the neutrally-buoyant float. NetCDF waveglider data files here (one per platform) contain hour averaged, georeferenced trajectory data for those parameters and depths.
Version1.0
Dataset TypeOPEN
MeasurementOCEANS > SALINITY/DENSITY > CONDUCTIVITY
OCEANS > OCEAN WINDS > SURFACE WINDS
OCEANS > OCEAN TEMPERATURE > TEMPERATURE PROFILES
OCEANS > OCEAN CIRCULATION > CURRENT VELOCITY
OCEANS > SALINITY/DENSITY > SALINITY
OCEANS > OCEAN TEMPERATURE > SURFACE AIR TEMPERATURE
OCEANS > OCEAN PRESSURE > SURFACE PRESSURE
Processing Level2
CoverageRegion: Eastern Tropical Pacific
Northernmost Latitude: 13.8 degrees
Southernmost Latitude: 6.1 degrees
Westernmost Longitude: -126.4 degrees
Easternmost Longitude: -108.8 degrees
Time Span: 2016-Aug-24 to 2017-Nov-10
ResolutionSpatial Resolution: 0 km (Along) x 0 km (Across)
ProjectionType:
Detail:
Ellipsoid: WGS84
Latency0 hours
Swath Width0.001 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)

ProjectNASA Salinity Processes in the Upper Ocean Regional Study (SPURS)
Data ProviderCreator: Ben Hodges
Release Place: ASL, Physical Oceanography Department, Woods Hole Oceanographic Institution, Woods Hole, MA 02543 USA
Release Date: 2019-Aug-15
Resource: http://podaac.jpl.nasa.gov/SPURS
Keyword(s)Waveglider, CTD, trajectory, Salinity, Conductivity, Temperature, Depth, Pressure, Upper Ocean, SPURS2, Eastern Tropical Pacific, ITCZ region, Cruises, Revelle, insitu, SPURS, oceanographic campaign
Persistent IDPODAAC-SPUR2-GLID3
Questions related to this dataset? Contact podaac@podaac.jpl.nasa.gov
Project Materials
SPURS-2 Cruise Documentation Packagehttps://podaac-tools.jpl.nasa.gov/drive/files/allData/insitu/L2/spurs2/docs/CruiseReports/
Cruise Reports
SPURS-2 Data Documentation Packagehttps://podaac-tools.jpl.nasa.gov/drive/files/allData/insitu/L2/spurs2/docs/DataDocumentation/
Data Submission Report, Instrument Calibration Report, etc
Additional Sites
PO.DAAC SPURS Mission pagehttp://podaac.jpl.nasa.gov/spurs
Field Campaign and Instrument Overview
SPURS Project Websitehttp://spurs.jpl.nasa.gov/
Project Website for SPURS
Citation Ben Hodges. 2019. SPURS-2 Waveglider data for the E. Tropical Pacific field campaign. Ver. 1.0. PO.DAAC, CA, USA. Dataset accessed [YYYY-MM-DD] at https://doi.org/10.5067/SPUR2-GLID3.

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For more information see Data Citations and Acknowledgments.

Journal Reference Hodges, B. and D. Fratantoni. 2014. AUV Observations of the Diurnal Surface Layer in the North Atlantic Salinity Maximum. Journal of Physical Oceanography, 44, 1595 - 1604