ESA Sea Surface Salinity Climate Change Initiative (Sea_Surface_Salinity_cci): Monthly sea surface salinity product, v2.31, for 2010 to 2019

The ESA Sea Surface Salinity CCI consortium has produced global, level 4, multi-sensor Sea Surface Salinity maps covering the 2010-2019 period.This dataset provides Sea Surface Salinity (SSS) data at a spatial resolution of 25 km and a time resolution of 1 month. This has been spatially sampled on a 25 km EASE (Equal Area Scalable Earth) grid and 15 days of time sampling. A weekly product is also available. In addition to salinity, information on errors are provided (see more in the user guide and product documentation available below and on the Sea Surface Salinity CCI web page).An overview paper about CCI SSS is now published:Boutin, J., N. Reul, J. Koehler, A. Martin, R. Catany, S. Guimbard, F. Rouffi, et al. (2021), Satellite-Based Sea Surface Salinity Designed for Ocean and Climate Studies, Journal of Geophysical Research: Oceans, 126(11), e2021JC017676, doi:https://doi.org/10.1029/2021JC017676.An updated version of CCI SSS (version 3.21) is now available on: https://catalogue.ceda.ac.uk/uuid/5920a2c77e3c45339477acd31ce62c3c ; version 3 SSS and associated uncertainties are more precise and cover a longer period (Jan 2010-sept 2020); version 3 SSS are provided closer to land than version 2 SSS, with a possible degraded quality. Users might remove these additional near land data by using the lsc_qc flag.

欧洲空间局（European Space Agency, ESA）海表盐度气候变化倡议（Climate Change Initiative, CCI）联盟已生成覆盖2010-2019年时段的全球四级多传感器海表盐度（Sea Surface Salinity, SSS）制图产品。该数据集的空间分辨率为25千米，时间分辨率为1个月，采用25千米的EASE（等面积可缩放地球，Equal Area Scalable Earth）网格进行空间采样，时间采样间隔为15天，同时还提供周度产品。除盐度数据外，该数据集还附带误差相关信息，详细说明可参阅下文及海表盐度CCI官网提供的用户指南与产品文档。目前已有一篇关于CCI海表盐度的综述论文正式发表：Boutin J、Reul N、Koehler J、Martin A、Catany R、Guimbard S、Rouffi F等（2021），《面向海洋与气候研究的星载海表盐度产品》，刊载于《地球物理研究杂志：海洋》第126卷第11期，文章编号e2021JC017676，DOI：https://doi.org/10.1029/2021JC017676。CCI海表盐度的更新版本（3.21版）现已发布于：https://catalogue.ceda.ac.uk/uuid/5920a2c77e3c45339477acd31ce62c3c；该3版海表盐度及其相关不确定度精度更优，覆盖时段更长（2010年1月至2020年9月）；相较于2版产品，3版海表盐度的近岸覆盖范围更广，但可能伴随数据质量下降。用户可通过lsc_qc质控标记移除这些新增的近岸数据。