Unusual links between inherent and apparent optical properties in shallow lakes, the case of Taihu Lake
Unusual links between inherent and apparent optical properties in shallow lakes, the case of Taihu Lake
复制标题
浅湖固有光学特性和表观光学特性之间的不寻常联系（以太湖为例）
DOI：
10.1007/s10750-011-0646-z
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发表时间：
2011-03
期刊：
影响因子：
2.6
通讯作者：
Ma, Ronghua
中科院分区：
文献类型：
--
作者：
Lue, Chunguang;Loiselle, Steven;Duan, Hongtao;Ma, Ronghua
The spectral distribution of downwelling solar irradiance is an important factor in the radiative balance, primary productivity and biogeochemistry in most lakes. In the present study, we show the relative importance of different inherent and apparent optical properties in controlling the spectral attenuation of diffuse downwelling irradiance in a large shallow lake in eastern China. Most importantly, we show how elevated concentrations of suspended matter not only increase attenuation, but are linked to a “spectral shift” in major attenuation peaks, with important consequences on biogeochemical processes and remote sensing. The analysis of the lake optical properties in relation to the geographical distribution of submerged macrophytes indicates how heterogenic optical conditions play a role in controlling benthic primary production.
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