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| DOI | 10.5067/SPUR2-RNRDR |
| Short Name | SPURS2_RAINRADAR |
| 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. The SEA-POL rain radar instrument was employed over the period 22 Oct.-10 Nov. 2017 during the second SPURS-2 R/V Revelle cruise. SEA-POL (seagoing-polarimetric radar) is a C-band, Doppler polarimetric radar system providing 240-degree sector coverage centered on the ships bow via its 1-degree beam width antenna. SEA-POL was used primarily to map rainfall in SPURS-2. The resulting dataset is a series of gridded netCDF data files for a 20 day period at 5-20 minute intervals comprised of rain rate and rain accumulation fields. |
| Version | 1.0 |
| Dataset Type | OPEN |
| Measurement | OCEANS > PRECIPITATION > PRECIPITATION RATE OCEANS > PRECIPITATION > RAIN |
| Processing Level | 2 |
| Coverage | Region: Eastern Tropical Pacific Northernmost Latitude: 24.2 degrees Southernmost Latitude: 5.06 degrees Westernmost Longitude: -125.57 degrees Easternmost Longitude: -119.89 degrees Time Span: 2017-Oct-22 to 2017-Nov-10 Granule Time Span: 2017-Oct-22 to 2017-Nov-10 |
| Resolution | Spatial Resolution: 0 km (Along) x 0 km (Across) |
| Projection | Type: Detail: Ellipsoid: WGS84 |
| Latency | hours |
| Swath Width | 1 km |
| Sample Frequency | - |
| Temporal Repeat (Nominal) | - |
| Temporal Repeat (Min) | - |
| Temporal Repeat (Max) | - |
| Platform/Sensor | R/V Revelle / Platform Name: R/V Roger Revelle (SIO) (R/V Revelle) Orbit Period: 0 minutes Inclination Angle: 0 degrees Ascending Node: 1970-Jan-01 00:00:00 SEAPOL SENSOR Name: SEA-POL Rain Imaging Radar (SEAPOL) Swath Width: 1 km Description: SPURS Ship-Based SEA-POL Rain Imaging Radar |
| Project | NASA Salinity Processes in the Upper Ocean Regional Study (SPURS) |
| Data Provider | Creator: Steven A. Rutledge Release Place: Department of Atmospheric Science, Colorado State University, Fort Collins, Colorado, USA Release Date: 2019-Mar-28 Resource: http://podaac.jpl.nasa.gov/SPURS |
| Keyword(s) | SEAPOL, radar, rain data, imagery, surface, Upper Ocean, SPURS2, Eastern Tropical Pacific, ITCZ region, Cruises, Revelle, insitu, SPURS, oceanographic campaign |
| Persistent ID | PODAAC-SPUR2-RNRDR |
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/rainradar |
| OPENDAP | https://podaac-opendap.jpl.nasa.gov/opendap/allData/insitu/L2/spurs2/rainradar/ |
| 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 |
| Citation | Steven A. Rutledge. 2019. SPURS-2 research vessel along track SEA-POL rain radar imaging data for E. Tropical Pacific R/V Revelle-2 cruise. Ver. 1.0. PO.DAAC, CA, USA. Dataset accessed [YYYY-MM-DD] at https://doi.org/10.5067/SPUR2-RNRDR.
For more information see Data Citations and Acknowledgments.
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| Journal Reference | Rutledge, S., et al. (2019) The SEA-POL radar goes to sea in SPURS-2. Oceanography, in press. | |||||||
