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River Ecological Restoration System and Construction Method in Northwest Desert Area Based on Branch Seepage and Rotational Irrigation

A technology of ecological restoration and construction methods, applied in chemical instruments and methods, botanical equipment and methods, buildings, etc., can solve problems that threaten the breeding, germination and growth of terrestrial vegetation, unfavorable vegetation restoration and restoration, waste of water resources, etc. , to achieve the best ecological protection and restoration effect, reduce ineffective evaporation, and ensure the effect of restoration

Active Publication Date: 2022-02-08
XIAN UNIV OF TECH
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The study found that the current ecological water delivery of the Tarim River only uses the main channel to deliver water, and the groundwater influence width is only 1.2km. Most of the areas cannot be effectively irrigated, which seriously threatens the gestation, germination and growth of terrestrial vegetation, and is not conducive to the restoration and restoration of vegetation in areas far away from the main river.
like figure 2 As shown, the buried depth of groundwater has a significant impact on the growth of Populus euphratica; in addition, the research shows that the ecological water leaves the irrigation area too early and too fast during the ecological water transfer process, and about 40% of the discharged water returns to the main stream and flows into the downstream lakes Evaporation losses, wasting limited and precious water resources
On the other hand, the irrigation of vegetation in the main stream of the Tahe River is mainly based on "flood irrigation" and "flood irrigation". Many ecological channels have been abandoned due to the elevation of the water level in front of the sluice due to sedimentation.

Method used

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  • River Ecological Restoration System and Construction Method in Northwest Desert Area Based on Branch Seepage and Rotational Irrigation
  • River Ecological Restoration System and Construction Method in Northwest Desert Area Based on Branch Seepage and Rotational Irrigation
  • River Ecological Restoration System and Construction Method in Northwest Desert Area Based on Branch Seepage and Rotational Irrigation

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Embodiment 1

[0059] The construction method of the river ecological restoration system in the northwest desert area based on branch infiltration and rotation irrigation includes the following steps:

[0060] Tahe has planned a cascade development plan of "14 reservoirs and 64 levels" in the "four sources and one trunk". The total storage capacity of the reservoir accounts for 46% of the annual average total runoff of the four sources. figure 1 ), establish gate-dyke-dam-pump joint regulation and control measures to solve the problem of comprehensive utilization of water resources in the basin.

[0061] The definition, object, goal, connotation and irrigation mode of branch seepage rotation irrigation are put forward, the branch seepage rotation irrigation system is proposed, and the theoretical framework and system of branch seepage rotation irrigation are constructed.

[0062] Definition: Taking the terrestrial vegetation Populus euphratica in the main stream of the Tarim River in the nor...

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Abstract

The ecological restoration system of the river channel in the Northwest desert area based on branch seepage and rotation irrigation, including ecological engineering system and branch seepage rotation irrigation system; step 1, construct the branch seepage rotation irrigation system; step 2, construct the ecological restoration system test area; step 3, pass the branch seepage and rotation irrigation system Seepage wheel irrigation effect feedback correction ecological restoration system; combining the "gate-dyke-dam-pump" ecological engineering measures in the watershed with the planar water delivery methods of natural ditches and branch rivers, and innovatively put forward a new concept of vegetation irrigation and irrigation mode, maximizing the use of water resources for protective vegetation, greatly improving the ecological restoration effect of river courses in desert areas in Northwest China; the method of the present invention has the characteristics of distinctive originality, advanced theory and technology, remarkable practical effect and huge promotion value .

Description

technical field [0001] The invention belongs to the technical field of restoration of the river channel ecosystem in the desert area of ​​northwest China, and in particular relates to a river channel ecological restoration system and construction method in the desert area of ​​northwest China based on branch infiltration and wheel irrigation. New concept, new technology, new system and construction method of ecological restoration system of inland river channel protective vegetation branch infiltration and rotation irrigation in cold and arid desert area. Background technique [0002] The inland river in the arid area of ​​Northwest my country is an ecologically fragile area under national key protection and the core area of ​​my country's "Silk Road" economic belt construction. The precipitation is scarce and the evaporation is strong. For example, the average annual evaporation in Tarim and Hexi Corridor is above 1800mm . In the past 50 years, under the influence of high-i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02B3/10E02B1/00E02B5/00E02B5/08E03B3/04E03B5/00C02F3/32A01G25/00A01G25/16
CPCE02B3/10E02B1/00E02B5/00E02B5/082E03B3/04E03B5/00C02F3/32A01G25/00A01G25/16Y02A10/30Y02A20/402Y02A10/11Y02A20/00
Inventor 白涛许佳王光焰凌红波徐生武刘登峰姬宏伟洪良鹏
Owner XIAN UNIV OF TECH
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