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Direct observations of Skin-Bulk SST variability

机译:皮肤大块SST变异性的直接观察

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Skin sea-surface temperatures from the first Along Track Scanning Radiometer (ATSR) are compared with coincident bulk temperatures from the Tropical Atmosphere Ocean (TAO) moored buoy array in the equatorial Pacific Ocean. The response of the skin-bulk sea-surface temperature difference (Delta T) to variations in wind speed and surface heat flux is examined. The use of remotely-sensed skin temperatures for this purpose is enabled by ATSR's unique design which permits the independent retrieval of ocean skin temperature to an accuracy of 0.3 K. For the four-year period considered (August 1991-August 1995), almost 6000 coincident skin and bulk sea surface temperature (SST) measurements were available; at night, the mean value of Delta T is -0.20+/-0.46K, with a daytime mean value of +0.05+/-0.51K. Delta T is found to depend on both net heat flux and local wind speed as predicted by the Saunders [1967] model and other formulations, and an estimate of the Saunders lambda parameter is obtained. [References: 18]
机译:将第一台“沿航迹扫描辐射计”(ATSR)产生的皮肤海面温度与赤道太平洋“热带大气”(TAO)系泊浮标阵列的重合体温进行了比较。考察了散装海表温度差(Delta T)对风速和表面热通量变化的响应。通过ATSR的独特设计,可以将遥感的皮肤温度用于此目的,该功能允许独立获取精确到0.3 K的海洋皮肤温度。在所考虑的四年期间(1991年8月至1995年8月),将近6000可以同时进行皮肤和散装海表温度(SST)测量;在晚上,Delta T的平均值为-0.20 +/- 0.46K,白天的平均值为+0.05 +/- 0.51K。如桑德斯[1967]模型和其他公式所预测的,发现Delta T取决于净热通量和局部风速,并且获得了桑德斯lambda参数的估计值。 [参考:18]

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