CN218090704U - Hydro-fluctuation belt structure of reservoir - Google Patents
Hydro-fluctuation belt structure of reservoir Download PDFInfo
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- CN218090704U CN218090704U CN202220583202.3U CN202220583202U CN218090704U CN 218090704 U CN218090704 U CN 218090704U CN 202220583202 U CN202220583202 U CN 202220583202U CN 218090704 U CN218090704 U CN 218090704U
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Abstract
The utility model relates to a falling belt structure of reservoir. Is applicable to the field of ecological restoration engineering. The utility model adopts the technical proposal that: the utility model provides a hydro-fluctuation belt structure of reservoir, arranges on the slope of river, lake or reservoir which characterized in that: the submerged low-frequency area, the submerged medium-frequency area, the submerged high-frequency area and the submerged high-frequency area are sequentially arranged on the reservoir slope from top to bottom according to the accumulated submerged frequency distribution of the reservoir slope; arranging a hidden dike structure in the submerged higher-frequency area, and planting vegetation submerged in the higher-frequency area on the hidden dike structure submerged in the higher-frequency area; planting vegetation in the submerging medium-frequency area; and vegetation for submerging the lower frequency area is planted in the submerged lower frequency area.
Description
Technical Field
The utility model relates to a falling belt structure of reservoir. Is applicable to the field of ecological restoration engineering.
Background
The hydro-fluctuation belt is a phenomenon peculiar to rivers, lakes and reservoirs, and refers to a hydro-fluctuation belt formed between the highest water level and the lowest water level by seasonal water level and periodic water storage of the reservoir. The hydro-fluctuation belt is a transition zone alternately controlled by an aquatic ecosystem and a terrestrial ecosystem, is a last ecological barrier for surrounding silt, organic matters, chemical fertilizers, pesticides and the like to enter a water area, is also a buffer zone for water circulation regulation, and has various ecological and environmental service functions in the aspects of improving productivity of the water-land ecosystem, maintaining dynamic balance of the regional ecosystem and the like.
Poor utilization of the hydro-fluctuation belt can cause serious ecological environment problems, and the method mainly comprises the following steps: (1) Water and soil loss and bank slope stability decline, and natural disasters such as landslide, collapse, debris flow and the like are caused when the bank slope stability is serious; (2) The water level is dissolved out to cause the dissolution of pollutants in the soil, pollute the water body, change the soil quality and influence the physical, chemical and biological properties of the soil; (3) The structure and the function of the ecological system are simplified, and the biodiversity is damaged.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: aiming at the existing problems, the water falling belt structure of the reservoir is effective in ecological restoration, wide in application range and feasible.
The utility model adopts the technical proposal that: the utility model provides a hydro-fluctuation belt structure of reservoir, arranges on the slope of river, lake or reservoir which characterized in that: the submerged low-frequency area, the submerged medium-frequency area, the submerged high-frequency area and the submerged high-frequency area are sequentially arranged on the reservoir slope from top to bottom according to the accumulated submerged frequency distribution of the reservoir slope;
arranging a hidden dike structure in the submerged higher-frequency area, and planting vegetation submerged in the higher-frequency area on the hidden dike structure submerged in the higher-frequency area;
planting vegetation in the submerging medium-frequency area;
and vegetation for submerging the lower frequency area is planted in the submerged lower frequency area.
The hidden dike structure is provided with a second hidden dike and a first hidden dike which are arranged from top to bottom on the submerged higher-frequency area, and a hidden dike protective foot is arranged at the bottom of the first hidden dike water-facing slope.
The slope ratio of the front water slopes of the first and second dark embankments is 1.
And bermuda grass and Malaysia malayi are alternately planted in the partitioned areas on the first dark dike, and Malaysia malayi and calamus are alternately planted in the partitioned areas on the second dark dike 5.
The hidden dike protection foot is composed of block stones with the diameter of 50 cm-80 cm.
The submerged middle-frequency vegetation planted in the submerged middle-frequency area comprises the Chinese fir, the bermuda grass and the calamus, and the bermuda grass and the calamus are planted in the submerged middle-frequency area in the whole range.
The submerged lower-frequency vegetation planted in the submerged lower-frequency area is broussonetia papyrifera, chinese ash, bermudagrass, calamus 5 and vetiver grass, and the bermudagrass, the calamus and the vetiver grass are planted in the whole submerged lower-frequency area.
A plurality of ponds are excavated on the submerged low-frequency area.
The inundation low-frequency area is an area with the accumulated inundation frequency of the reservoir side slope being 0-20%, the inundation low-frequency area is an area with the accumulated inundation frequency of the reservoir side slope being 20-40%, the inundation medium-frequency area is an area with the accumulated inundation frequency of the reservoir side slope being 40-60%, the inundation high-frequency area is an area with the accumulated inundation frequency of the reservoir side slope being 60-80%, and the inundation high-frequency area is an area with the accumulated inundation frequency of the reservoir side slope being 80-100%. The utility model has the advantages that: (1) By building the hidden dike and the protection feet below the hydro-fluctuation belt area, on one hand, the protection effect is achieved, the water flow is prevented from being washed away, and a safe growing environment can be provided for the aquatic plants; on the other hand, a local low-lying area is formed between the hidden dikes, water resources are accumulated, and when the water is submerged at a lower level, a certain water source supply can be still provided for aquatic vegetation in the water-level-fluctuating zone.
(2) By planting aquatic plants with amphibious growth characteristics, the vegetation has quick and exuberant green turning and growth recovery capability after being exposed out of the water surface; meanwhile, the vegetation has developed root systems, good soil fixing and retaining effects and can prevent and treat water and soil loss of the hydro-fluctuation belt.
(3) A plurality of ponds are excavated in a submerged low-frequency area to serve as a germplasm resource library for restoring vegetation in a hydro-fluctuation zone of a bank, and particularly aquatic plants applied to the hydro-fluctuation zone can be cultivated in the area for restoring the hydro-fluctuation zone. Through the restoration of the hydro-fluctuation belt, pollutants flowing to a reservoir area from a bank slope are effectively intercepted, and nitrogen, phosphorus and other substances in a water body are adsorbed; the hydro-fluctuation belt plant can play a good role in intercepting, absorbing and degrading pollutants and ensuring the water quality safety of the reservoir.
(4) And a local low-lying channel is formed between the first dark embankment and the second dark embankment which are arranged to submerge the higher frequency region, and when the water submerging area is not lowered, part of water can be stored and used as a water source supply required by the growth of aquatic plants when the water submerging area is low.
Drawings
Fig. 1 is a schematic diagram of the frequency analysis of reservoir water level in the present invention.
Fig. 2 is a schematic elevation view of vegetation planting in the hydro-fluctuation belt provided by the utility model.
In the figure: 1. the method comprises the following steps of (1) reservoir water level frequency curve, 2 reservoir water level accumulated frequency curve, 3 elevation range of a water-level-fluctuating zone restoration area, 4 submerged high-frequency area, 5 submerged higher-frequency area, 5-1 hidden dike foot protection, 5-2 hidden dike water-facing slope, 5-3 hidden dike back water slope, 5-4 first hidden dike, 5-5 second hidden dike, 5-6 bermuda kouyangensis, 5-7 Malaytea leafflower herb, 5-8 calamus, 6 submerged medium-frequency area, 6-1 middle mountain cedar, 7, submerged lower-frequency area, 7-1 paper mulberry, 7-2 maple submerged, 7-3 balsamroot, 8 and low-frequency area.
Detailed Description
The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.
As shown in fig. 2, the embodiment is a hydro-fluctuation belt structure of a reservoir, which is disposed on a side slope of a river, a lake or a reservoir. The hydro-fluctuation belt structure in the embodiment is arranged on a side slope of a reservoir and is provided with a submerged low frequency area 8, a submerged low frequency area 7, a submerged medium frequency area 6, a submerged high frequency area 5 and a submerged high frequency area 4 which are sequentially arranged on the side slope of the reservoir from top to bottom. In this embodiment, the submerged low frequency region 8, the submerged low frequency region 7, the submerged medium frequency region 6, the submerged high frequency region 5, and the submerged high frequency region 4 are obtained according to the accumulated frequency curve 2 of the reservoir water level on the reservoir slope obtained by analysis, and the analysis method is as follows: 1: firstly, collecting historical water level data of a reservoir, calculating frequencies of different elevations, and drawing a reservoir water level frequency curve 1;2: the cumulative frequency of the reservoir water level is calculated, and the water level elevations of which the cumulative frequency of the reservoir water level is 20%, 40%, 60% and 80% are extracted, as shown in fig. 1. The submerging low-frequency area 8 is an area with the accumulative submerging frequency of the reservoir side slope being 0-20%, the submerging low-frequency area 7 is an area with the accumulative submerging frequency of the reservoir side slope being 20-40%, the submerging medium-frequency area 6 is an area with the accumulative submerging frequency of the reservoir side slope being 40-60%, the submerging high-frequency area 5 is an area with the accumulative submerging frequency of the reservoir side slope being 60-80%, and the submerging high-frequency area 4 is an area with the accumulative submerging frequency of the reservoir side slope being 80-100%. And the area with the accumulated submerging frequency of 20-80 percent is the elevation range of the restoration area of the hydro-fluctuation belt.
In the embodiment, the second hidden dike 5-5 and the first hidden dike 5-4 are sequentially arranged on the submerged higher-frequency area 5 from top to bottom, and the hidden dike toe guard 5-1 consisting of stones with the diameter of 50 cm-80 cm is arranged at the bottom of the water-facing slope of the first hidden dike 5-4, so that the structural safety of the hidden dike is better protected, and water flow scouring is prevented. The slope ratio of the hidden bank water-facing slope 5-2 of the first hidden bank 5-4 and the second hidden bank 5-5 is 1. 5-6 bermuda grass and 5-7 mallotus eupatorium are alternately planted in the partition areas on the first dark dike 5-4, and 5-7 mallotus eupatorium and 5-8 calamus are alternately planted in the partition areas on the second dark dike 5-5. The first hidden dike 5-4 and the second hidden dike 5-5 are planted alternately in different areas, so that each area forms a certain scale and excessive fragmentation is avoided. And a low-lying channel is formed between the first hidden dike 5-4 and the second hidden dike 5-5, when the water level of the reservoir drops, a part of water can be stored and used as water source supply required by the growth of aquatic plants when the water level of the reservoir is lower.
In the embodiment, 6-1 parts of sequoia intermedia, 5-6 parts of bermuda grass and 5-8 parts of calamus are planted on the submerged middle-frequency area 6, the planting distance of the planted sequoia intermedia 6-1 is 2-4 m, regular row planting is avoided, a natural-imitating planting mode is adopted, the distance is naturally adjusted according to the conditions of the ground, and the 5-6 parts of bermuda grass and the 5-8 parts of calamus are planted in the full range of the submerged middle-frequency area 6. Submerging the plant on the medium frequency region 6 into a group to form a flaky colony distribution, and reserving forest spots in grouped sequoia intermedia 6-1.
In the embodiment, 7-1 parts of paper mulberry, 7-2 parts of Chinese ash, 5-6 parts of bermuda grass, 5-8 parts of calamus and 7-3 parts of vetiver grass are planted on the submerged lower frequency area 7, and other trees can be planted on the submerged lower frequency area 7 to improve the diversity of tree species. The planting distance of the paper mulberry 7-1 and the Chinese ash 7-2 planted on the submerged lower frequency area 7 is 2 m-4 m, regular determinant planting is avoided, a natural-imitating planting mode is adopted, the distance is naturally adjusted according to the conditions of the ground, and the bermuda grass 5-6, the calamus 5-8 and the vetiver grass 7-3 are planted in the whole submerged lower frequency area 7. Submerging the plants in the lower frequency area 7 into three-five groups to form flaky colony distribution, and reserving forest spots in the grouped trees.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (8)
1. The utility model provides a hydro-fluctuation belt structure of reservoir, arranges on the slope of river, lake or reservoir which characterized in that: the submerged low-frequency area, the submerged medium-frequency area, the submerged high-frequency area and the submerged high-frequency area are sequentially arranged on the reservoir slope from top to bottom according to the accumulated submerged frequency distribution of the reservoir slope;
arranging a hidden dike structure in the higher frequency inundation area, and planting vegetation for inundating the higher frequency area on the hidden dike structure for inundating the higher frequency area;
planting vegetation in the submerging medium-frequency area;
planting the vegetation in the submerged lower frequency area;
the hidden embankment structure is provided with a second hidden embankment and a first hidden embankment which are arranged from top to bottom on a higher frequency submerged area, and a hidden embankment protection leg is arranged at the bottom of a water-facing slope of the first hidden embankment.
2. The water falling belt structure of a reservoir according to claim 1, wherein: the slope ratio of the front water slopes of the first and second dark embankments is 1.
3. The water falling belt structure of a reservoir according to claim 1, wherein: and the bermuda grass and the Malaysia malayi are alternately planted in the partition areas on the first dark dike, and the Malaysia malayi and the calamus are alternately planted in the partition areas on the second dark dike.
4. The water falling belt structure of a reservoir according to claim 1, wherein: the hidden dike protection foot is composed of block stones with the diameter of 50 cm-80 cm.
5. The water falling belt structure of a reservoir according to claim 1, wherein: the submerged medium-frequency vegetation planted in the submerged medium-frequency area comprises the Chinese fir, the bermuda grass and the calamus, and the bermuda grass and the calamus are planted in the submerged medium-frequency area in the whole range.
6. The water falling belt structure of a reservoir according to claim 1, wherein: the submerged lower-frequency vegetation planted in the submerged lower-frequency area is broussonetia papyrifera, chinese ash, bermudagrass, calamus and vetiver grass, and the bermudagrass, the calamus and the vetiver grass are planted in the whole submerged lower-frequency area.
7. The water falling belt structure of a reservoir according to claim 1, wherein: a plurality of ponds are excavated on the submerged low-frequency area.
8. The water falling belt structure of a reservoir according to claim 1, wherein: the inundation low-frequency area is an area with the accumulated inundation frequency of the reservoir side slope being 0-20%, the inundation low-frequency area is an area with the accumulated inundation frequency of the reservoir side slope being 20-40%, the inundation medium-frequency area is an area with the accumulated inundation frequency of the reservoir side slope being 40-60%, the inundation high-frequency area is an area with the accumulated inundation frequency of the reservoir side slope being 60-80%, and the inundation high-frequency area is an area with the accumulated inundation frequency of the reservoir side slope being 80-100%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220583202.3U CN218090704U (en) | 2022-03-17 | 2022-03-17 | Hydro-fluctuation belt structure of reservoir |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220583202.3U CN218090704U (en) | 2022-03-17 | 2022-03-17 | Hydro-fluctuation belt structure of reservoir |
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| CN218090704U true CN218090704U (en) | 2022-12-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023174331A1 (en) * | 2022-03-17 | 2023-09-21 | 中电建华东勘测设计研究院(郑州)有限公司 | Riparian zone of reservoir |
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2022
- 2022-03-17 CN CN202220583202.3U patent/CN218090704U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023174331A1 (en) * | 2022-03-17 | 2023-09-21 | 中电建华东勘测设计研究院(郑州)有限公司 | Riparian zone of reservoir |
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