River health assessment method for silt-laden river

Abstract

The invention discloses a river health assessment method for a sediment-laden river, and the method comprises the following specific steps: S1, determining a river evaluation unit, dividing the river evaluation unit into a plurality of evaluation river reaches according to the length of the evaluation unit, determining a river evaluation index system, and setting a score assignment standard; s2, index monitoring points are established according to the evaluation river reach, and data acquisition of river evaluation indexes is carried out; and S3, independently calculating each river evaluation index data according to the data acquired in the S2, and assigning scores to each index according to the score assigning standard in the S1. According to the river health assessment method, river health assessment is carried out by independently adopting the water quality superior and inferior index, the water body self-purification index and the sediment pollution index, the number of adopted indexes is small, but most necessary indexes needed by river health assessment are included, the adopted indexes are low in obtaining difficulty, the requirement for analysts is low, and the river health assessment method is more suitable for large-scale popularization.

Description

technical field [0001] The invention relates to the field of river health assessment, in particular to a river health assessment method for silt-rich rivers. Background technique [0002] Rivers are the source of life. The origin of human beings and the development of human civilization are closely related to rivers. Rivers are not only a form of water resources for human development and utilization, but also the living environment for tens of thousands of aquatic organisms in rivers. The health of human beings is the material basis and guarantee condition for human survival and economic development. Due to the dual influence of natural and human factors, there are four major problems in China’s rivers, namely “less water, more water, dirty water and muddy water”. In order to better maintain the sustainable development of rivers and promote the harmony of human and water, people have put forward the concept of river health, and used different methods. There are three main m...

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Problems solved by technology

[0003] At present, the existing river health assessment methods usually use a large number of highly specialized classification indicators as candidate parameters, resulting in a high degree of specialization and high requirements for analysts, which is not conducive to the large-scale application of assessment methods

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