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首页> 外文期刊>Hydrobiologia >The specific inherent optical properties of three sub-tropical and tropical water reservoirs in Queensland, Australia
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The specific inherent optical properties of three sub-tropical and tropical water reservoirs in Queensland, Australia

机译：澳大利亚昆士兰州的三个亚热带和热带水库的特定固有光学特性

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摘要

The underwater light climate, which is a major influence on the ecology of aquatic systems, is affected by the absorption and scattering processes that take place within the water column. Knowledge of the specific inherent optical properties (SIOPs) of water quality parameters and their spatial variation is essential for the modelling of underwater light fields and remote sensing applications. We measured the SIOPs and water quality parameter concentrations of three large inland water impoundments in Queensland, Australia. The measurements ranged from 0.9 to 42.7 μg l−1 for chlorophyll a concentration, 0.9–170.4 mg l−1 for tripton concentration, 0.36–1.59 m−1 for a CDOM(440) and 0.15–2.5 m for Secchi depth. The SIOP measurements showed that there is sufficient intra-impoundment variation in the specific absorption and specific scattering of phytoplankton and tripton to require a well distributed network of measurement stations to fully characterise the SIOPs of the optical water quality parameters. While significantly different SIOP sets were measured for each of the study sites the measurements were consistent with published values in other inland waters. The multiple measurement stations were allocated into optical domains as a necessary step to parameterise a semi-analytical inversion remote sensing algorithm. This article also addresses the paucity of published global inland water SIOP sets by contributing Australian SIOP sets to allow international and national comparison.
机译：水下光气候是对水生系统生态的主要影响，它受到水柱内吸收和散射过程的影响。了解水质参数的特定固有光学特性（SIOP）及其空间变化，对于建模水下光场和遥感应用至关重要。我们测量了澳大利亚昆士兰州的三个大型内陆水库的SIOPs和水质参数浓度。叶绿素a浓度的测量范围为0.9至42.7μgl -1 ，曲普顿浓度的测量范围为0.9–170.4 mg l -1 ，0.36-1.59 m -1 用于 CDOM （440），Secchi深度用于0.15–2.5 m。 SIOP测量结果表明，浮游植物和Tripton的比吸收和比散射具有足够的蓄水量变化，需要一个分布良好的测量站网络来充分表征光学水质参数的SIOP。尽管每个研究地点的SIOP设置都存在显着差异，但其测量值与其他内陆水域的公布值一致。作为参数化半解析反演遥感算法的必要步骤，将多个测量站分配到光域中。本文还通过提供澳大利亚的SIOP设置以允许进行国际和国家比较，解决了已发布的全球内陆水域SIOP设置的不足。

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