首页> 外文会议>ISOPE(International Society of Offshore and Polar Engineers) Ocean Mining Symposium Nov 8-10, 1999, Goa, India >Surface Meteorological Conditions at Benthic Disturbance Experiment Site - INDEX Area during Austral Winter 1997
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Surface Meteorological Conditions at Benthic Disturbance Experiment Site - INDEX Area during Austral Winter 1997

机译:1997年南方冬季底栖扰动试验场-INDEX区域的地面气象条件

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Benthic Disturbance Experiment surveys in the Central Indian Ocean Basin yielded baseline data on surface meteorological conditions during June and August, 1997 together with sea surface temperature (SST) and cloud data to estimate the air-sea heat fluxes and net surface heat gain. Maximum sunshine duration was 1 hour/day in June and 30 minutes/day in August. SST decreased from 28.2℃ in June to 25.8℃ in August. Southeasterly winds of speed 10 m/s during June contributed to a mean latent heat flux of 220 W/m~2, leading to net surface heat loss (100 W/m~2) in June and near heat balance in August. Temporal variation of weather elements and the heat budget parameters showed fluctuations of period 10-13 days in June and 7-8 days in August. Owing to low sunshine duration (< 1 hour/day) and light attenuation due to surface discharge of mining reject during austral winter, diminishing of light availability in the upper ocean is possible.
机译:在中印度洋海盆进行的底栖扰动实验调查得出了1997年6月至8月的地表气象条件的基线数据,以及海面温度(SST)和云数据,以估算海气热通量和净地表热增益。 6月的最大日照时间为1小时/天,8月的最大日照时间为30分钟/天。海温从6月的28.2℃下降到8月的25.8℃。 6月东南风的速度为10 m / s,平均潜热通量为220 W / m〜2,导致6月净表面热损失(100 W / m〜2),8月接近热平衡。天气要素和热量收支参数的时间变化表明,6月为10-13天,8月为7-8天。由于日照时间短(<1小时/天),并且由于南方冬季采矿废料的表面排放而导致光衰减,因此有可能减少上层海洋的光利用率。

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