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首页> 外文期刊>IEEE Transactions on Geoscience and Remote Sensing >Remote sensing of water salinity at decameter wavelengths
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Remote sensing of water salinity at decameter wavelengths

机译:在数十米波长处遥感水盐度

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摘要

The possibility of remote sensing of surface water salinity in the decametric wave range is studied. The theoretical consideration of sensitivities to salinity variations proves the decametric range to be best for measuring small water salinities [0.3-5 parts per thousand (/sup 0///sub 00/) at 30 MHz]. The conclusion is confirmed by 30 MHz radar experiments, which show a good agreement with the in situ data in the range 0.3-30 /sup 0///sub 00/. Radar contrasts of about 0.35 db and 1.6 db are observed when salinity changes from 0.3 /sup 0///sub 00/ to 1.2 /sup 0///sub 00/ and to 30 /sup 0///sub 00/, correspondingly.
机译:研究了在十波范围内遥感地表水盐度的可能性。对盐度变化的敏感性的理论考虑证明,十进制范围最适合测量较小的盐度[0.3-5千分之三(/ sup 0 /// sub 00 /)在30 MHz下]。 30 MHz雷达实验证实了这一结论,该实验与0.3-30 / sup 0 /// sub 00 /范围内的原位数据显示出良好的一致性。当盐度分别从0.3 / sup 0 /// sub 00 /变为1.2 / sup 0 /// sub 00 /和30 / sup 0 /// sub 00 /时,观测到的雷达对比度约为0.35 db和1.6 db。 。

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