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OSI-SAF operational NPP/VIIRS sea surface temperature chain

机译:OSI-SAF运行NPP / VIIRS海面温度链

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Data of the Visible Infrared Imaging Radiometer Suite (VIIRS) onboard Suomi National Polar-orbiting Partnership (NPP) have been acquired at Centre de Meteorologie Spatiale (CMS) in Lannion (Brittany) in direct readout mode since April 2012. CMS is committed to produce sea surface temperature (SST) products from VIIRS data twice a day over an area covering North-East Atlantic and the Mediterranean Sea in the framework of the EUMETSAT Ocean and Sea Ice Satellite Application Facility (OSI-SAF). A cloud mask has been developed and cloud mask control techniques have been implemented. SST algorithms have been defined, as well as quality level attribution rules. Since mid October 2012 a VIIRS SST chain, similar to that used for processing METOP AVHRR has been run in a preoperational mode. The corresponding bias and standard deviation against drifting buoy measurements (mid October 2012 to mid March 2013) are -0.05 and 0.37 K for nighttime and -0.13 and 0.46 K for daytime, respectively. VIIRS derived SST production is expected operational by mid 2013. The OSI-SAF VIIRS derived SST products are compliant with the Group for High Resolution SST (GHRSST) GDS V2.0 format.
机译:自2012年4月以来,Suomi国家极地轨道伙伴关系(NPP)上的可见红外成像辐射计套件(VIIRS)的数据已以直接读出的方式在拉尼翁(布列塔尼)的气象中心(CMS)中心获得。CMS致力于生产在EUMETSAT海洋和海冰卫星应用设施(OSI-SAF)的框架内,每天两次来自VIIRS数据的海表温度(SST)产品覆盖东北大西洋和地中海。已经开发了云掩模并且已经实现了云掩模控制技术。已经定义了SST算法以及质量级别归因规则。自2012年10月中旬以来,类似于用于处理METOP AVHRR的VIIRS SST链已在预运行模式下运行。相对于浮标测量值(2012年10月中旬至2013年3月中旬)的相应偏差和标准偏差在夜间和夜间分别为-0.05和0.37 K,在白天为-0.13和0.46K。 VIIRS衍生的SST产品预计于2013年中期投入运营。OSI-SAF VIIRS衍生的SST产品符合高分辨率SST组(GHRSST)GDS V2.0格式。

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