Channel reservoir construction influence pre-assessment method

A pre-assessment, reservoir technology, applied in the field of pre-assessment, which can solve problems such as incomplete identification of hydrodynamics

Inactive Publication Date: 2018-03-30
HOHAI UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Traditional studies have failed to fully identify hydrodynamic, water quality, and ecological factors, and there are few studies on land use type changes and biological evolution trends under different operation and scheduling conditions for river-type reservoirs

Method used

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  • Channel reservoir construction influence pre-assessment method
  • Channel reservoir construction influence pre-assessment method
  • Channel reservoir construction influence pre-assessment method

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0105] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0106] Taking a certain river channel reservoir in the mountainous area of ​​southern China as an example, the processing process of the implementation method of the present invention is illustrated.

[0107] 1. Data collection and ground investigation

[0108] Collection of geographical data: remote sensing image data in the catchment area of ​​river-type reservoirs (spatial resolution ≥ 10m), high-resolution (spatial resolution ≤ 2.5m) remote sensing image data, DEM elevation data;

[0109] Collection of hydrometeorological data: rainfall, temperature, relative humidity, and wind speed data of meteorological stations in catchment areas of river-type reservoirs, and flow data of hydrological stations at dam sites of river-type reservoirs;

[0110] Collect water conservancy dispatching data: technical design report of river-type reservoirs, ...

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Abstract

The invention discloses a channel reservoir construction influence pre-assessment method. The method includes steps: collecting associated data in a water collection area of a reservoir; determining aplurality of survey points in the water collection area of the reservoir; taking land use types as indexes to survey in the survey points; interpreting use conditions of each type of land at different water levels; on the basis of the survey points, performing plant survey, wild animal survey and fish survey in different months; adopting a mathematic model for constructing a hydrodynamic model and a water quality model of the reservoir, and respectively outputting hydrodynamic data and water quality data; pre-assessing reservoir construction influences. By organic combination of field survey,geographic information technology and numerical simulation and consideration of hydrodynamic force, water quality and ecological elements, land use type variations under different operating water levels of the reservoir, biological evolution trend before and after impounding of the reservoir and reservoir operating hydrodynamic force variations in different typical years are reasonably analyzed,water eutrophication levels are predicted, and the basis is provided for reservoir development, utilization and management.

Description

technical field [0001] The invention relates to a pre-assessment method, in particular to a pre-assessment method for the construction impact of a channel-type reservoir. technical background [0002] River-type reservoirs are reservoirs formed by building barrages at the narrow mouths of ravines or rivers, which are beneficial in flood control, water storage for irrigation, water supply, power generation, and breeding. However, the construction of river-type reservoirs and the operation and scheduling of water conservancy projects will directly change the water flow structure of natural rivers, thereby changing the hydrodynamic force and water quality of river-type reservoirs. measure. [0003] For the research on the impact of the construction of river-type reservoirs, the existing technology mainly focuses on the influence of hydrological situation and water quality. The influence of hydrological situation mainly analyzes the reservoir sediment, reservoir water level, an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/04G06Q50/26G06F17/50
CPCG06Q10/04G06Q50/26G06F30/20G06F2111/10Y02A20/152
Inventor 赖秋英李一平许益新
Owner HOHAI UNIV
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