...光和近红外辐射计（visible and near-infrared radiometer）在水色卫星上用来遥感海水叶绿素浓度 （chlorophyll concentration）、悬浮泥沙浓度 （suspended matter concentration）以及海水光学衰减 系数（diffuse attenuation coefficient at 490 nm）等。
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对于海水叶绿素浓度的遥感反演研究工作至今已进行了30多年，方法主要是基于蓝-绿波段比值的经验统计法。
The study on the inversion model of chlorophyll by remote sensing has been carried out for more than 30 years, and the main method is based on the ratio of blue and green channels.
由于叶绿色能使大量浮游植物聚集的区域发出显眼的绿光，因此研究者通过海水透明度测量设备对叶绿素浓度进行检测。
The researchers looked at measurements of ocean transparency and tested for concentrations of chlorophyll, which gives large Numbers of phytoplankton a distinctive green sheen.
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