RapidScat Level 2B Ocean Wind Vectors in 12.5km Slice Composites Version 1.1
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Publications citing RapidScat Level 2B Ocean Wind Vectors in 12.5km Slice Composites Version 1.1
Citation metrics available for years (2014-2019)
| Year | Citation |
|---|---|
| 2015 | Aquarius scatterometer calibration, IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing,https://doi.org/10.1109/JSTARS.2015.2493449 |
| DOI | 10.5067/RSX12-L2B11 |
| Short Name | RSCAT_LEVEL_2B_OWV_COMP_12_V1.1 |
| Description | This dataset contains the RapidScat Level 2B 12.5km Version 1.1 science-quality ocean surface wind vectors. The Level 2B wind vectors are binned on a 12.5 km Wind Vector Cell (WVC) grid and processed using the Level 2A Sigma-0 dataset. RapidScat is a Ku-band dual beam circular rotating scatterometer retaining much of the same hardware and functionality of QuikSCAT, with exception of the antenna sub-system and digital interface to the International Space Station (ISS) Columbus module, which is where RapidScat is mounted. The NASA mission is officially referred to as ISS-RapidScat. Unlike QuikSCAT, ISS-RapidScat is not in sun-synchronous orbit, and flies at roughly half the altitude with a low inclination angle that restricts data coverage to the tropics and mid-latitude regions; the extent of latitudinal coverage stretches from approximately 61 degrees North to 61 degrees South. Furthermore, there is no consistent local time of day retrieval. This dataset is provided in a netCDF-3 file format that follows the netCDF-4 classic model (i.e., generated by the netCDF-4 API) and made available via FTP and OPeNDAP. For data access, please click on the "Data Access" tab above. This Version 1.1 dataset differs from the previous Version 1 dataset as follows: 1) A new neural network approach for high wind speeds provided rain corrections for the "retrieve_wind_speed" variable for wind speeds in excess of 15 m/s. 2) The data variables containing the number of measurements of each type for each wind vector cell have been corrected; these variables include "number_in_aft", "number_in_fore", "number_out_aft", and "number_out_fore". 3) The "wind_obj" data variable has been corrected to include the proper data for the conditional probability for the objective DIRTH function values. It is advised for users to avoid using the "wind_obj" variable in this dataset since it is minimally applicable and meant primarily for quality assurance; for users who wish to access the objective function values for each ambiguity, it is suggested to use only the "ambiguity_obj" variable. The "wind_obj" variable contains DIRTH probabilities (which are derived form the "ambiguity_obj" objective function values) in the range of 0 to 1 indicating the conditional probability that the true direction is within + or - 2.5 degrees of the retrieved wind direction given the observed backscatter measurements in the cell. If you have any questions, please contact podaac@podaac.jpl.nasa.gov |
| Version | 1.1 |
| Dataset Type | COMPLETE |
| Measurement | OCEANS > OCEAN WINDS > SURFACE WINDS |
| Processing Level | 2 |
| Coverage | Region: GLOBAL North Bounding Coordinate: 61 degrees South Bounding Coordinate: -61 degrees West Bounding Coordinate: -180 degrees East Bounding Coordinate: 180 degrees Time Span: 2014-Oct-03 to 2016-Mar-10 Granule Time Span: 2014-Oct-03 to 2016-Mar-10 |
| Resolution | Spatial Resolution: 12.5 km (Along) x 12.5 km (Across) |
| Projection | Projection Type: Swath Projection Detail: Along-track Grid Ellipsoid: WGS 84 |
| Swath Width | 900 km |
| Platform/Sensor | ISS / Platform Name: International Space Station (ISS) Orbit Period: 92.91 minutes Inclination Angle: 51.65 degrees RapidScat SENSOR Name: Rapid Scatterometer (RapidScat) Swath Width: 1100.0 kilometers Description: Spacecraft angular distance from orbital plane relative to the Equator. |
| Project | International Space Station Rapid Scatterometer (ISS_RapidScat) |
| Data Provider | Publisher: PO.DAAC Creator: RapidScat Project Release Place: PO.DAAC Release Date: 2015-May-04 Resource: http://www.jpl.nasa.gov/news/fact_sheets/issrapidscat_factsheet.pdf |
| Keyword(s) | international space station, space station, iss, rapidscat, rscat, iss-rapidscat, winds, wind, ocean, ocean wind, ocean winds, ocean surface wind vectors, surface wind vectors, wind speed, wind direction, scatterometer, quikscat, seawinds, l2b, l2, level 2, level 2b, version 1, v1, version 1.1, v1.1, V1.1, 1.1 |
Questions related to this dataset? Contact podaac@podaac.jpl.nasa.gov
| Direct Access | |
| PO.DAAC DRIVE | https://podaac-tools.jpl.nasa.gov/drive/files/allData/rapidscat/L2B12/v1.1 PO.DAAC Drive |
| OPENDAP DATA | https://podaac-opendap.jpl.nasa.gov/opendap/allData/rapidscat/L2B12/v1.1/ The OPeNDAP base directory location for the collection. |
| Format (Compression) | NETCDF |
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| Citation | RapidScat Project. 2015. RapidScat Level 2B Ocean Wind Vectors in 12.5km Slice Composites. Ver. 1.1. PO.DAAC, CA, USA. Dataset accessed [YYYY-MM-DD] at https://doi.org/10.5067/RSX12-L2B11
For more information see Data Citations and Acknowledgments.
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| Journal Reference | Fore, A.G., Stiles, B.W., Chau, A.H., Williams, B.A., Dunbar, R. S., Rodriguez E., 2013: Point-wise Wind Retrieval and Ambiguity Removal Improvements for the QuikSCAT Climatological Data Set. IEEE Trans. Geoscience and Remote Sensing, doi:10.1109/TGRS.2012.2235843. [Special Note: This paper describes the wind retrieval algorithm used to process the QuikSCAT version 3 wind product. The RapidScat data was processed using the same technique.] . |
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| Version | Dataset | Version Date | Status | |
|---|---|---|---|---|
| 1.3 | RapidScat Level 2B Ocean Wind Vectors in 12.5km Slice Composites Version 1.3 | 2016-09-30 | ACTIVE | 1475197871123 |
| 1.2 | RapidScat Level 2B Ocean Wind Vectors in 12.5km Slice Composites Version 1.2 | 2016-04-18 | ACTIVE | 1461014996140 |
| 1.1 | RapidScat Level 2B Ocean Wind Vectors in 12.5km Slice Composites Version 1.1 | 2015-04-15 | ACTIVE | 1429086843815 |
| 1.0 | RapidScat Level 2B Ocean Wind Vectors in 12.5km Slice Composites Version 1.0 | 2014-12-02 | RETIRED | 1417552958063 |