Update to Sentinel-3 SRAL Level-2P Wave product
The SRAL L2P Wave product from Sentinel-3A and -3B will be updated on 8 April 2021.
18 March 2021
17 March 2021
The update will consist of the inclusion of a new wind variable.
This new wind variable is computed with Gourrion (2002) algorithm using Collard (2005) table.
The algorithm is based on: Gourrion, J., D. Vandemark, S. Bailey, B. Chapron, G. P. Gommenginger, P. G. Challenor, and M. A. Srokosz, 2002. A two-parameter wind speed algorithm for Ku-Band altimeters, J. Atmos. and Oceanic Tech., 19, 2030-2048.
It uses the table provided by (in French): Collard, F., 2005, Algorithmes de vent et période moyenne des vagues JASON à base de réseaux de neurones, BO-021-CLS-0407-RF, Boost Technologies, 33pp.
For more information, see the Wave Along-track Level-2+ (L2P) page. The updated product handbook will be made available soon.
The SRAL L2P Wave product is processed by the Sentinel-3 L2P/L3 Marine Altimetry Service (CNES/CLS), in the frame of a EUMETSAT contract, part of the Copernicus Programme funded by the European Union.
This product is available in Near-Real Time and the service is operational.
A sample file of the updated product is available on our ftp site:
The product is distributed on EUMETCast, as follows:
|Product||EUMETCast Europe (High Volume Service, Transponder 2)||EUMETCast Terrestrial|
|Sentinel-3A SRAL L2P Wave product||Channel: E2H-S3A-07
Multicast address: 188.8.131.52
Multicast address: 184.108.40.206
|Sentinel-3B SRAL L2P Wave product||Channel: E2H-S3B-07
Multicast address: 220.127.116.11
Multicast address: 18.104.22.168
Users wishing to receive this product via EUMETCast should register via our Earth Observation Portal.
For more information, contact our User Service Helpdesk.
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