OSTIA L4 SST Analysis for 2016-09-12 (NCEI Accession 0158218)

A Group for High Resolution Sea Surface Temperature (GHRSST) Level 4 sea surface temperature analysis produced daily on an operational basis at the UK Met Office using optimal interpolation (OI) on a global 0.054 degree grid. The Operational Sea Surface Temperature and Sea Ice Analysis (OSTIA) analysis uses satellite data from sensors that include the Advanced Very High Resolution Radiometer (AVHRR), the Advanced Along Track Scanning Radiometer (AATSR), the Spinning Enhanced Visible and Infrared Imager (SEVIRI), the Advanced Microwave Scanning Radiometer-EOS (AMSRE), the Tropical Rainfall Measuring Mission Microwave Imager (TMI), and in situ data from drifting and moored buoys. This analysis has a highly smoothed SST field and was specifically produced to support SST data assimilation into Numerical Weather Prediction (NWP) models.

本数据集为高精度海表温度工作组（Group for High Resolution Sea Surface Temperature, GHRSST）四级海表温度分析产品，由英国气象局（UK Met Office）基于最优插值（optimal interpolation, OI）方法，在全球0.054度网格上以业务化模式每日产出。该业务化海表温度与海冰分析系统（Operational Sea Surface Temperature and Sea Ice Analysis, OSTIA）所使用的数据源涵盖两类：一是来自高级甚高分辨率辐射计（Advanced Very High Resolution Radiometer, AVHRR）、先进沿轨扫描辐射计（Advanced Along Track Scanning Radiometer, AATSR）、旋转增强型可见红外成像仪（Spinning Enhanced Visible and Infrared Imager, SEVIRI）、先进微波扫描辐射计-地球观测系统（Advanced Microwave Scanning Radiometer-EOS, AMSRE）以及热带降雨测量任务微波辐射计（Tropical Rainfall Measuring Mission Microwave Imager, TMI）等传感器的卫星观测数据；二是来自漂流浮标与锚定浮标的现场实测数据。该分析结果生成的海表温度场具备高度平滑的特征，其专为支持将海表温度数据同化至数值天气预报（Numerical Weather Prediction, NWP）模型而研发。