Array · collection · 2009
ASCAT GDS Level 1 Sigma0 at Full Sensor Resolution - Metop
Listed in NASA Earthdata CMR
The prime objective of the Advanced SCATterometer (ASCAT) is to measure wind speed and direction over the oceans, and the main operational application is the assimilation of ocean winds in NWP models.
Description
Other operational applications, based on the use of measurements of the backscattering coefficient, are sea ice edge detection and monitoring, monitoring sea ice, snow cover, soil moisture and surface parameters. This product consists of geo-located radar backscatter values along the six ASCAT beams.
The different beam measurements are not collocated into a regular swath grid and the individual measurements are not spatially averaged. The resolution of each of the 255 backscatter values per each beam varies slightly along the beam, but it is approximately 10km (in the along beam direction) x 25 km (across the beam). This product is usually referred to as 'ASCAT Level 1B Full resolution product'.
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Note that some of the data are reprocessed. Please refer to the associated product validation reports or product release notes for further information.
Links
Documentation and papers
- ASCAT Level 1 Product Format Specification eumetsat.int/website/wcm/idc/idcplg?IdcService=GET_FILE&dDocName=PDF_TEN_97… ↗
documentation · from NASA CMR
- eumetsat.int /website/wcm/idc/idcplg?IdcService=GET_FILE&dDocName=PDF_ASCAT-… ↗
ASCAT-B Level 1 Calibration and Validation Report
documentation · from NASA CMR
- eumetsat.int /website/wcm/idc/idcplg?IdcService=GET_FILE&dDocName=PDF_ASCAT_… ↗
ASCAT Level 1 Reprocessing Phase 1 - Dataset Description
documentation · from NASA CMR
- eumetsat.int /website/wcm/idc/idcplg?IdcService=GET_FILE&dDocName=PDF_EST_AS… ↗
Estimation of ASCAT-Normalised Radar Cross Section: ATBD
documentation · from NASA CMR
- ASCAT Reprocessing Phase 1 - Validation Report eumetsat.int/website/wcm/idc/idcplg?IdcService=GET_FILE&dDocName=PDF_ASCAT_… ↗
documentation · from NASA CMR
- ASCAT Product Guide eumetsat.int/website/wcm/idc/idcplg?IdcService=GET_FILE&dDocName=PDF_ASCAT_… ↗
documentation · from NASA CMR
Catalogue records · 2
- CMR record cmr.earthdata.nasa.gov/search/concepts/C1588901397-EUMETSAT.html ↗
catalogue entry · from NASA CMR
- CMR UMM-JSON cmr.earthdata.nasa.gov/search/concepts/C1588901397-EUMETSAT.umm_json ↗
metadata API · from NASA CMR
Topics
- Stated by source
- Advanced Scatterometer · Meteorological Operational Satellite · Surface Winds
Provenance · 1 source records, 11 field assertions
| Source | Key | Last seen | Raw |
|---|---|---|---|
| NASA Earthdata CMR | C1588901397-EUMETSAT | 15 d ago | JSON v1 |
| Field | Assertion | Extractor | Evidence |
|---|---|---|---|
| access_level | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[instrument].gcmd_instrument:ascat | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[measured_variable].gcmd:earth-science/atmosphere/atmospheric-winds/surface-winds | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[platform].gcmd_platform:metop | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| created_date | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| description | source · NASA CMR | connector:nasa_cmr@1.0.0 | /umm/Abstract |
| publication_date | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| spatial | source · NASA CMR | connector:nasa_cmr@1.0.0 | /umm/SpatialExtent |
| temporal | source · NASA CMR | connector:nasa_cmr@1.0.0 | /umm/TemporalExtents |
| title | source · NASA CMR | connector:nasa_cmr@1.0.0 | /umm/EntryTitle |
| version_label | source · NASA CMR | connector:nasa_cmr@1.0.0 |