表层水（surfac water）是指自海洋表面至几十米到200米不等深度之间的水团。
... 表层拖网 surface trawl 表层水 superficial water 表层水温 surface temperature ...
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This study choosed Yanghe Reservoir and Miyun reservoir as the experimental spots. Five surface water samples were collected continuously in the two Reservoirs, respectively.
本研究以洋河水库和密云水库的表层水作为实验材料,分别在两地连续采集水样。
参考来源 - 富营养化水体不同水华阶段细菌群落结构的变化The surface water in the middle of the Yangtze River had strong biology toxicity to fish. It's the main reason that gas supersaturation has the character which the D. O concentration increases roughly.
7．三峡大坝泄流，坝下长江中游部分江段表层水对鱼类具有很强的生物毒性，调查表明江水气体过饱和是主要致死原因。
参考来源 - 三峡水库蓄水运行前后坝下重要渔业水域生态环境的调查分析·2,447,543篇论文数据，部分数据来源于NoteExpress
因此，虽然冬季海冰覆盖面积可能减少，但表层水将足够冰冷，因此海冰覆盖面积不会减少太多。
Thus, although the winter sea-ice cover might decrease, the surface waters would remain cold enough so that the decrease would not be excessive.
如果前者较大，这个湖就是一个以表层水为主的湖泊；如果是后者，则是一个以渗漏为主的湖泊。
If the former are greater, the lake is a surface-water-dominated lake; if the latter, it is a seepage-dominated lake.
热带风暴和飓风的能量来自与温暖的海洋表层水，和大西洋的变暖。
Tropical storms and hurricanes derive energy from warm ocean surface waters, and the Atlantic ocean experienced record warmth, according to the u.
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