GHRSST Level 2P Global skin Sea Surface Temperature from the Infrared Atmospheric Sounding Interferometer (IASI) on the Metop-A satellite (GDS V2) produced by OSI SAF (GDS version 2)

A global 1 km Group for High Resolution Sea Surface Temperature (GHRSST) Level 2P dataset based on multi-channel sea surface temperature (SST) retrievals generated in real-time from the Infrared Atmospheric Sounding Interferometer (IASI) on the European Meteorological Operational-A (MetOp-A）satellite （launched 19 Oct 2006).

The European Organization for the Exploitation of Meteorological Satellites (EUMETSAT),

Ocean and Sea Ice Satellite Application Facility (OSI SAF) is producing SST products in near real

time from METOP/IASI. The Infrared Atmospheric Sounding Interferometer (IASI) measures in

the infrared part of the electromagnetic spectrum at a horizontal resolution of 12 km at nadir up to

40km over a swath width of about 2,200 km. With 14 orbits in a sun-synchronous mid-morning

orbit (9:30 Local Solar Time equator crossing, descending node) global observations can be

provided twice a day. The SST retrieval is performed and provided by the IASI L2 processor at

EUMETSAT headquarters. The product format is compliant with the GHRSST Data Specification

(GDS) version 2.

本数据集为全球1公里分辨率的高分辨率海表温度工作组（Group for High Resolution Sea Surface Temperature，GHRSST）二级P级（Level 2P）数据集，基于2006年10月19日发射的欧洲气象业务A星（MetOp-A）搭载的红外大气探测干涉仪（Infrared Atmospheric Sounding Interferometer，IASI）实时生成的多通道海表温度（Sea Surface Temperature，SST）反演结果构建。

欧洲气象卫星组织（European Organization for the Exploitation of Meteorological Satellites，EUMETSAT）下属的海洋与海冰卫星应用设施（Ocean and Sea Ice Satellite Application Facility，OSI SAF）正基于METOP/IASI数据生产准实时海表温度产品。该红外大气探测干涉仪工作于电磁波谱红外波段，星下点水平分辨率为12公里，在约2200公里的幅宽范围内分辨率可达40公里。该卫星运行于太阳同步早间轨道（当地太阳时9:30赤道降交点过境），每日可完成14次轨道循环，因此可每日两次获取全球观测数据。海表温度反演工作由欧洲气象卫星组织总部的IASI二级处理器完成并输出。该产品格式符合高分辨率海表温度数据规范（GHRSST Data Specification，GDS）2.0版本要求。