IMOS - Satellite Remote Sensing - Surface Waves Sub-Facility - SAR wind - Delayed mode data
Sentinel-1 A, B and C satellites are part of Europe's Copernicus Earth Observation program and carry identical C-band Synthetic Aperture Radar (SAR) instruments. This dataset contains 10m neutral stability wind speed and direction derived from Sentinel-1 A, B and C SARs in the wider Australian coastal regions. In these regions, the satellites normally operate in interferometric wide (IW) swath mode. The winds are derived using a consistent geophysical model function (gmf), CMOD5N, and variational Bayesian inversion approach as proposed in Portabella et al. (2002) and Sentinel-1 Ocean wind (owi) algorithm definition document. The input SAR and model (ECMWF) data used in the inversion are sourced from owi level-2 product, and the resulting derived winds are approximately at 1km horizontal spatial resolution as in the source product but derived using a consistent gmf over time (unlike the source product). Wind speeds are also calibrated against Metop-A and B scatterometer wind database of Ribal and Young, 2020 (JTECH).
This data has also been combined and interpolated to a nominal 0.01 x 0.01-degree regular grid (available as a separate gridded product: IMOS - Satellite Remote Sensing - Surface Waves Sub-Facility - Gridded SAR wind - Delayed mode data).
The data represented by this record, are presented in delayed mode.
Données et ressources
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SAR wind - delayedWMS Ouvrir
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Informations supplémentaires
| Étendue temporelle | 2017-10-24 – en cours |
|---|---|
| Date (creation) | 2021-10-14 |
| Statut | onGoing |
| Fréquence de mise à jour | continual |
| Langue des métadonnées | en |
| Licence | Data, products and services from IMOS are provided "as is" without any warranty as to fitness for a particular purpose. |
| Métadonnées sources | ISO 19115 XML |
| Dernière mise à jour | 2026-11-05 |
| Créé | 2026-11-05 |
| API | package_show |