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description: The ESA Sea State Climate Change Initiative (CCI) project has produced global multi-sensor time-series of along-track satellite synthetic aperture radar (SAR) integrated sea state parameters (ISSP) data from Sentinel-1 Extra Wide Swath Mode (referred to as SAR EW image mode onboard Sentinel-1 Level 2P (L2P) ISSP data) with a particular focus for use in climate studies.This dataset contains the Sentinel-1 SAR IW Remote Sensing Integrated Sea State Parameter product, which forms part of the ESA Sea State CCI version 4.0 release.Sentinel-1 Extra Wide Swath Mode (EW) is similar to the IW mode, but the EW mode acquires data over a wider area than for IW mode using five sub-swaths. The EW mode acquires data over 400 km swath width with a coarser pixel spacing of 40 m (GRDM products) and 25 m (GRDH). This product provides along-track primary significant wave height measurements and secondary sea state parameters, calibrated with CMEMS model data and reference in situ measurements at 17.5 km resolution over each image, processed with the SAR-SeaStaR (SAR Sea State Retrieval) algorithm used developed at the DLR (German Aerospace Centre), separated per satellite and image, including all measurements with flags and uncertainty estimates. These are expert products with rich content and no data loss. The SAR EW data used in the Sea State CCI SAR EW onboard Sentinel-1 Level 2P (L2P) ISSP v4 dataset come from the Sentinel-1 satellite missions spanning from 2014 to 2024 (Sentinel-1 A, Sentinel-1 B).Reference: Pleskachevsky, A., Tings, B., S. Wiehle, S., Imber, J., Jacobsen, S., 2022. Multiparametric sea state fields from synthetic aperture radar for maritime situational awareness. Remote Sens. Environ., vol. 280, Oct. 2022, Art. no. 113200.
title: ESA Sea State Climate Change Initiative (Sea_State_cci): Global remote sensing multi-mission along-track Integrated Sea State Parameters (ISSP) from SAR EW onboard Sentinel-1A & 1B, L2P product, release version 4 2021-12
temporal: PeriodOfTime
  start date: 2021-12-01T00:00:00.000Z
  end date: 2021-12-31T23:59:59.999Z
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