Near-natural riparian buffer zone for preventing and controlling non-point source pollution

A non-point source pollution and buffer zone technology, applied in water conservancy projects, sea area projects, construction, etc., can solve problems such as poor decontamination effect, breaking the ecosystem, and changing the soil structure of the river bank, so as to achieve small ecological damage and maintenance The effect of simple and good ecological landscape function

Pending Publication Date: 2018-03-30
ZHENGZHOU UNIV
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  • Claims
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AI Technical Summary

Problems solved by technology

[0006] The near-natural river bank buffer zone of source pollution can effectively solve the problems of existing ecological revetments to treat rivers, which will change the original soil structure of the river bank, break the original ecosystem, and have poor decontamination effects

Method used

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  • Near-natural riparian buffer zone for preventing and controlling non-point source pollution
  • Near-natural riparian buffer zone for preventing and controlling non-point source pollution

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Embodiment Construction

[0017] The specific implementation manners of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0018] Such as figure 1 , figure 2 As shown, the present invention is a near-natural river bank buffer zone for preventing and controlling non-point source pollution.

[0019] The flushing zone starts from the highest water level of the river 1 and extends more than 18 meters to a buffer area composed of gradient structures and vertical structures. The gradient structure is composed of aquatic plant areas 2 (near water area), shrub-grass area 3 (normal water level-design flood level), the first tree-shrub-grass area 4 (design flood level-bank top) and the second tree-shrub-grass area 5 (bank top). , the vertical structure is a three-dimensional structure composed of tree layers, shrub layers and herbaceous plant layers;

[0020] The aquatic plant zone 2 (near water area) is planted with a strip-shaped aquatic plant layer 6, ...

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Abstract

The invention aims to provide a near-natural riparian buffer zone for preventing and controlling non-point source pollution. The buffer zone is a buffer area which is composed of a gradient structureand a vertical structure with an extension of 18 meters or above starting from the highest water level of the river, wherein the gradient structure is a four-slope-position structure consisting of a hydrophyte area, a shrub-herbage area, a first arbor-shrub-herbage area and a second arbor-shrub-herbage area which are raised gradually from the near to the distant from the river; and the vertical structure is a three-dimensional structure consisting of an arbor layer, a shrub layer and a herbage layer. A construction method of the near-natural riparian buffer zone has the advantages of low investment cost, simple method, strong maneuverability, simple maintenance, little damage to the original ecology, not only capability of effectively preventing and controlling the non-point source pollution, but also capability of improving the ability of the riparian zone of controlling soil and water loss, and the riparian zone also has good ecological landscape function and remarkable economic andsocial benefits.

Description

technical field [0001] The invention relates to river ecological protection, in particular to a near-natural river bank buffer zone for preventing and controlling non-point source pollution. Background technique [0002] With the rapid development of social economy and urbanization, the water ecosystem has been severely tested by non-point source pollution; In recent years, non-point source pollution has become the most important source of surface water pollution such as rivers and lakes. [0003] The riparian buffer zone is an ecological transition zone between the river and the land. Its special geographical location determines that it has ecological functions such as preventing and controlling non-point source pollution, intercepting and stagnating pollution, and creating riverside landscapes. The vegetation in the riparian zone is very important for the ability of the riparian zone to intercept the surface runoff. Herbaceous plants grow densely and tall, and the individ...

Claims

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Application Information

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IPC IPC(8): E02B3/00
CPCE02B3/00
Inventor 于鲁冀栗晓燕吕晓燕刘攀龙张文生
Owner ZHENGZHOU UNIV
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