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首页> 外文期刊>Ocean Science Discussions >Observing the Mediterranean Sea from space: 21 years of Pathfinder-AVHRR sea surface temperatures (1985 to 2005): re-analysis and validation
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Observing the Mediterranean Sea from space: 21 years of Pathfinder-AVHRR sea surface temperatures (1985 to 2005): re-analysis and validation

机译:从太空观测地中海:21年的Pathfinder-AVHRR海面温度(1985年至2005年):重新分析和验证

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The time series of satellite infrared AVHRR data from 1985 to 2005 has been used to produce a daily series of optimally interpolated SST maps over the regular grid of the operational MFSTEP OGCM model of the Mediterranean basin. A complete validation of this OISST (Optimally Interpolated Sea Surface Temperature) product with in situ measurements has been performed in order to exclude any possibility of spurious trends due to instrumental calibration errors/shifts or algorithms malfunctioning related to local geophysical factors. The validation showed that satellite OISST is able to reproduce in situ measurements with a mean bias of less than 0.1 K and RMSE of about 0.5 K and that errors do not drift with time or with the percent interpolation error.
机译:1985年至2005年卫星红外AVHRR数据的时间序列已用于在地中海盆地MFSTEP OGCM运行模型的规则网格上生成一系列每日最佳内插的SST图。为了排除由于仪器校准误差/偏移或与当地地球物理因素有关的算法故障而引起的任何伪趋势,已经对该OISST(最佳内插海面温度)产品进行了完整验证。验证表明,卫星OISST能够以小于0.1 K的平均偏差和约0.5 K的RMSE进行原位测量,并且误差不会随时间或百分比插值误差而漂移。

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