Device for controlling rainfall shift and application method thereof

A rain gutter and diversion pipe technology, applied in the field of ecology, can solve the problems of many maintenance work, high cost, artificial watering, etc., and achieve the effects of ensuring naturalness, simple installation, and easy management.

Inactive Publication Date: 2009-10-14
SHENYANG INST OF APPLIED ECOLOGY - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, some researchers have made their own movable awnings, which are not used in the absence of precipitation. When there is natural precipitation, the awnings are used to cover the rain. Artificial watering cannot completely avoid the problem of unnaturalness
At the Oak Ridge Research Base in the United States, ecological workers have developed a set of penetrating rain transfer devices, which can more accurately control precipitation transfer, but the cost is expensive and there are more maintenance work in the later stage

Method used

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  • Device for controlling rainfall shift and application method thereof
  • Device for controlling rainfall shift and application method thereof
  • Device for controlling rainfall shift and application method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] The experimental site is located in the field test base of the Baishan Forest Ecosystem Research Station of the President of the Chinese Academy of Sciences. The geographical location is 128°28′ east longitude, 42°24′ north latitude, 763m above sea level, and the annual average temperature is 0.9-3.9°C. The soil is dark brown forest soil. The climate is a temperate continental climate affected by the monsoon. It is dry and windy in spring, hot and rainy in summer, and dry and cold in winter. ~141d.

[0032] According to the experimental design of the research topic, it is necessary to establish a control precipitation transfer device between two rows of parallel seedbeds with a length of 38.4m, a width of 1.6m, and a spacing of 0.7m, so as to achieve the purpose of reducing precipitation by 30% in one seedbed and increasing precipitation by 30% in the other. The present invention is established at the middle position of every two rows of saplings, and the purpose is to ...

Embodiment 2

[0041] The difference from Example 1 is that if limited by the field conditions, when the height difference between the height of the rain tank and the ground that needs to be increased is small, the rain collector can be removed, and the diversion pipe can be directly connected to the conical end of the rain tank. However, the specifications of the diversion pipe and the shunt pipe should be increased to ensure that the water flow can still flow smoothly when the precipitation intensity is relatively high.

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Abstract

The invention relates to a study to the influence of the rainfall pattern to the ecologic system in the field of ecology, in particular to a device for controlling rainfall shift and an application method thereof. The device comprises a rain gutter, a flow guiding pipe and branch pipes, wherein the rain gutter inclines downwards, a port of the rain gutter is inserted in one end of the flow guiding pipe in a conical shape, a covering part is arranged on the conical part of the rain gutter, the flow guiding pipe is connected with the branch pipes through a three-way connector, the branch pipes are connected to the three-way connector, an end plug is arranged at the tail end of each branch pipe, holes are arranged on the branch pipes, the distances between the corresponding holes on each branch pipe and the three-way connector are identical, and the aperture of each branch pipe is gradually increased from the end where the three-way connector is connected to the tail end. The inclined rain gutter is erected on the ground with previously reduced rainfall, the area of the rain gutter is determined according to the concrete requirement, and the intercepted rainfall flows to a rain trap along the rain gutter and flows to the branch pipes through the flow guiding pipe and then flows to the place with prospective water increasing through the drilling holes on the branch pipes. The invention is scientific and accurate, convenient for implementation and low in cost and meets the requirements of field conditions.

Description

technical field [0001] The invention relates to a research device for the influence of precipitation patterns on plant communities or ecosystems in the field of ecology, in particular to a device for controlling precipitation transfer and its application method. Background technique [0002] To better understand the potential impacts of a range of climate changes on natural ecosystems, precise yet simple, practical methods of water control are needed. [0003] At present, there are mainly two types of methods for controlling the water conditions of plants or crops: the first type is to build a greenhouse or build a greenhouse, and artificially water the test objects; the second type is to control precipitation under natural conditions. [0004] Moisture control experiments performed in greenhouses or greenhouses are easily administered and can control water quantity and chemical composition, providing data on the response of water or humidity to the physiology and growth of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G25/00A01G13/00
Inventor 蔺菲郝占庆王淼
Owner SHENYANG INST OF APPLIED ECOLOGY - CHINESE ACAD OF SCI
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