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| DOI | 10.5067/SPUR2-SONDE |
| Short Name | SPURS2_RAWINSONDE |
| Description | The SPURS (Salinity Processes in the Upper Ocean Regional Study) project is 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 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, 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 Rawinsonde is a helium balloon carrying meteorological instruments and a radar target, enabling the velocity of atmospheric parameters to be measured. During the first Revelle cruise, rawinsondes were launched every 6-hours, providing a total of 85 profiles of temperature, humidity, wind speed and direction through the marine atmospheric boundary layer within the SPURS-2 domain. Similarly, during the second Revelle cruise, rawinsondes were deployed four-times daily within the study area over the 3-week period. SPURS2 rawinsonde data are available as netCDF, CF-compliant data files. |
| Version | 1.0 |
| Dataset Type | OPEN |
| Measurement | ATMOSPHERE > ATMOSPHERIC WINDS > WIND PROFILES OCEANS > OCEAN WINDS > SURFACE WINDS ATMOSPHERE > ATMOSPHERIC TEMPERATURE > AIR TEMPERATURE ATMOSPHERE > HUMIDITY INDICES > HUMIDITY |
| Processing Level | 2 |
| Coverage | Region: Eastern Tropical Pacific Northernmost Latitude: 12.35 degrees Southernmost Latitude: 5.139 degrees Westernmost Longitude: -133.216 degrees Easternmost Longitude: -123.32 degrees Time Span: 2016-Aug-20 to 2017-Nov-10 Granule Time Span: 2016-Aug-20 to 2017-Nov-10 |
| Resolution | Spatial Resolution: 0 km (Along) x 0 km (Across) |
| Projection | Type: Detail: Ellipsoid: WGS84 |
| Latency | hours |
| Swath Width | 0.001 km |
| Sample Frequency | - |
| Temporal Repeat (Nominal) | 6 hours |
| Temporal Repeat (Min) | - |
| Temporal Repeat (Max) | - |
| Platform/Sensor | RAWINSONDES / Platform Name: RAWINSONDES (RAWINSONDES) Orbit Period: 0.001 minutes Inclination Angle: 0.001 degrees Ascending Node: 1970-Jan-01 00:00:00 HUMIDITY SENSORS SENSOR Name: Vaisalla sonde humidity sensor (HUMIDITY SENSORS) Swath Width: 0.001 km Description: Vaisalla sonde humidity sensor RAWINSONDES / Platform Name: RAWINSONDES (RAWINSONDES) Orbit Period: 0.001 minutes Inclination Angle: 0.001 degrees Ascending Node: 1970-Jan-01 00:00:00 TEMPERATURE SENSORS SENSOR Name: Vaisalla sonde Temperature sensor (TEMPERATURE SENSORS) Swath Width: 0.001 km Description: Vaisalla sonde Temperature sensor RAWINSONDES / Platform Name: RAWINSONDES (RAWINSONDES) Orbit Period: 0.001 minutes Inclination Angle: 0.001 degrees Ascending Node: 1970-Jan-01 00:00:00 WIND PROFILERS SENSOR Name: Vaisalla sonde WIND PROFILERS (WIND PROFILERS) Swath Width: 0.001 km Description: Vaisalla sonde WIND PROFILERS |
| Project | NASA Salinity Processes in the Upper Ocean Regional Study (SPURS) |
| Data Provider | Creator: J. Edson, C.A Clayson, S. Ruttledge Release Place: Department of Atmospheric Science, Colorado State University, Fort Collins, Colorado, USA & Woods Hole Oceanographic Institution, Woods Hole, MA 02543, USA Release Date: 2019-Jul-31 Resource: http://podaac.jpl.nasa.gov/SPURS |
| Keyword(s) | Rawinsonde, radiosonde, sonde, atmosphere, temperature, humidity, wind speed wind direction, velocity, profiles, Upper Ocean, SPURS2, Eastern Tropical Pacific, ITCZ region, Cruises, Revelle, insitu, SPURS, oceanographic campaign |
| Persistent ID | PODAAC-SPUR2-SONDE |
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/spurs2/sonde |
| OPENDAP | https://podaac-opendap.jpl.nasa.gov/opendap/allData/insitu/L2/spurs2/sonde/ |
| Format (Compression) | NETCDF (NONE) |
| Read Software | |
| R | https://podaac-tools.jpl.nasa.gov/drive/files/allData/insitu/L2/spurs2/sw/R R read software |
| MATLAB | https://podaac-tools.jpl.nasa.gov/drive/files/allData/insitu/L2/spurs2/sw/matlab MATLAB read software |
| Project Materials | |
| SPURS-2 Cruise Documentation Package | https://podaac-tools.jpl.nasa.gov/drive/files/allData/insitu/L2/spurs2/docs/CruiseReports/ Cruise Reports |
| SPURS-2 Data Documentation Package | https://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 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 | J. Edson, C.A Clayson, S. Ruttledge. 2019. SPURS-2 Rawinsonde meteorological data for the E. Tropical Pacific field campaign R/V Revelle cruises. Ver. 1.0. PO.DAAC, CA, USA. Dataset accessed [YYYY-MM-DD] at https://doi.org/10.5067/SPUR2-SONDE.
For more information see Data Citations and Acknowledgments.
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| Journal Reference | Clayson, C. A., J. B. Edson, A. Paget, R. Graham, and B. Greenwood. 2019. The effects of rainfall on the atmosphere and ocean during SPURS-2. Oceanography 32(2): 86-97. | |||||||
