GHRSST Level 2P Western Pacific Regional Skin Sea Surface Temperature from the Multifunctional Transport Satellite 1R (MTSAT-1R) (GDS version 1)

Multi-functional Transport Satellites (MTSAT) are a series of geostationary weather satellites operated by the Japan Meteorological Agency (JMA). MTSAT carries an aeronautical mission to assist air navigation, plus a meteorological mission to provide imagery over the Asia-Pacific region for the hemisphere centered on 140 East. The meteorological mission includes an imager giving nominal hourly full Earth disk images in five spectral bands (one visible, four infrared). MTSAT are spin stabilised satellites. With this system images are built up by scanning with a mirror that is tilted in small successive steps from the north pole to south pole at a rate such that on each rotation of the satellite an adjacent strip of the Earth is scanned. It takes about 25 minutes to scan the full Earth's disk. This builds a picture 10,000 pixels for the visible images (1.25 km resolution) and 2,500 pixels (4 km resolution) for the infrared images. The MTSAT-1R (also known as Himawari 6) and it's radiometer (MTSAT-1R Imager) was successfully launched on 26 February 2005. For this Group for High Resolution Sea Surface Temperature (GHRSST) dataset, skin sea surface temperature (SST) measurements are calculated from the IR channels of the MTSAT-1R Imager full resolution data in satellite projection on a hourly basis. L2P datasets including Single Sensor Error Statistics (SSES) are then derived following the GHRSST Data Processing Specification (GDS) version 1.5.

多功能运输卫星（Multi-functional Transport Satellites，MTSAT）是日本气象厅（Japan Meteorological Agency，JMA）运营的一系列地球静止气象卫星。MTSAT兼具航空导航辅助任务与气象观测任务，可为以东经140度为中心的半球范围内的亚太区域提供气象影像。其气象观测任务搭载了一台成像仪，可按标称每小时生成一次全圆盘地球影像，涵盖5个光谱波段（1个可见光波段、4个红外波段）。MTSAT采用自旋稳定设计。该卫星系统通过一面反射镜进行扫描成像：反射镜以逐步小幅偏移的方式从北极扫描至南极，扫描速率匹配卫星自转周期，使得卫星每自转一圈即可扫描地球的一条相邻条带。完成一次全圆盘地球扫描约需25分钟。可见光影像分辨率为10000像素（空间分辨率1.25千米），红外影像则为2500像素（空间分辨率4千米）。MTSAT-1R（又称Himawari 6，向日葵6号）及其辐射成像仪（MTSAT-1R Imager）于2005年2月26日成功发射。针对高分辨率海表面温度工作组（Group for High Resolution Sea Surface Temperature，GHRSST）数据集，研究人员以卫星投影格式下的MTSAT-1R成像仪全分辨率红外通道数据为基础，按小时计算得到海表皮温（skin sea surface temperature，SST）观测结果。随后，依据GHRSST数据处理规范（GHRSST Data Processing Specification，GDS）1.5版，生成包含单传感器误差统计量（Single Sensor Error Statistics，SSES）的L2P数据集。