Using hypolimnetic dissolved oxygen depletion rates for monitoring lakes
Using hypolimnetic dissolved oxygen depletion rates for monitoring lakes
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使用低浅层溶解氧消耗率来监测湖泊
DOI：
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发表时间：
1995
期刊：
影响因子：
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通讯作者：
N. M. Burns
中科院分区：
文献类型：
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作者：
N. M. Burns
摘要水体富氧是湖泊营养状态的重要指示因子，主要由水体中有机物的分解引起，可用于监测湖泊营养状态的变化。所观察到的体积浅水消耗率（VHDRobs）通常不同于VHDRorg，因为这种现象可以改变浅水层中的氧浓度。九种不同的现象，可以影响所观察到的hypolimnetic溶解氧耗尽率进行审查。在许多情况下，如果系统的湖沼学是了解的，扰动的hypolimnetic呼吸率，VHDRorg由这些现象引起的可以忽略和VHDRobs用于湖泊管理。本报告提供了指导，说明何时可以忽略这些现象的影响，何时不能忽略。如果有必要进行修正，则概述了计算物理扰动影响的方法。然而，大多数影响C...
Abstract Volumetic hypolimnetic oxygen depletion, caused primarily by the decomposition of organic material in the hypolimnion (VHDRorg), is considered to be an important indicator of the trophic state of lakes and is used to detect change of trophic state. The observed volumetric hypolimnetic depletion rate (VHDRobs) is usually different from VHDRorg because of phenomena which can alter the concentrations of oxygen in the hypolimnion. The nine different phenomena which can affect the rate at which the observed hypolimnetic dissolved oxygen depletes are reviewed. In many instances, if the limnology of the system is understood, the perturbations to the hypolimnetic respiration rate, VHDRorg caused by these phenomena can be ignored and VHDRobs used for lake management. Guidance is provided as to when the effects of these phenomena can be ignored and when they cannot be. Should corrections be necessary, methods for calculating the effects of physical perturbations are outlined. However, most of the effects c...