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Method for determining water loss of reservoir by using hydrogen and oxygen isotopes

A technology of water loss and isotope, applied in the research of water resources management and the field of regional water balance, which can solve difficult and difficult problems

Inactive Publication Date: 2017-02-01
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In conducting reservoir water balance studies, it is often difficult or even intractable to estimate reservoir water losses using only conventional hydrological methods

Method used

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  • Method for determining water loss of reservoir by using hydrogen and oxygen isotopes
  • Method for determining water loss of reservoir by using hydrogen and oxygen isotopes
  • Method for determining water loss of reservoir by using hydrogen and oxygen isotopes

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Embodiment

[0037] like figure 1 As shown, a method for determining the water loss of a reservoir using hydrogen and oxygen isotopes in this embodiment includes the following steps:

[0038] (1) Collect hydrometeorological and physical geography data of the reservoir, specifically including hydrometeorological data of the reservoir basin and basic data of hydraulic engineering;

[0039] (2) According to the basic data of hydrometeorology and water conservancy engineering in the reservoir basin, analyze and determine the number of water sources and water bodies flowing into and out of the reservoir;

[0040] (3) Carry out field monitoring experiments and collect water samples of various income and expenditure items of the reservoir, including rainfall, river water, groundwater and reservoir water, etc.;

[0041] (4) Determine the stable isotope data of each revenue and expenditure item of the reservoir;

[0042] (5) Establish calculation model;

[0043] (6) Calculate the water loss of t...

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Abstract

The invention discloses a method for determining the water loss of a reservoir by using hydrogen and oxygen isotopes, belonging to the field of regional water balance and water resource management. The method comprises the following steps: (1) collecting hydro-meteorological, hydraulic engineering and other basic data of the reservoir; (2) investigating and analyzing the items of water bodies of a variety of water sources flowing in and out of the reservoir; (3) carrying out field monitoring experiments and acquiring water samples of the variety of water sources in the reservoir; (4) determining the composition of oxygen and hydrogen isotopes in every incoming and outgoing items of the reservoir in a laboratory; (5) establishing a calculation model; and (6) determining the water loss of the reservoir. A stable-isotope method is a useful tool in modern hydrological research; isotope tracer technology is introduced into the calculation of water balance in the reservoir, so the water loss of the reservoir can be effectively analyzed. In addition, the method provided by the invention has few measuring factors, and is simple in calculation method and reasonable in results; and the method is worth reference when applied as a novel method.

Description

technical field [0001] The invention relates to the research field of regional water balance and water resources management, in particular to a method for determining water loss of a reservoir by using hydrogen and oxygen isotopes. Background technique [0002] Hydrogen and oxygen isotopes are an important part of natural water bodies. Its proportion is very small, but it responds very sensitively to changes in the surrounding environment. Hydrogen and oxygen isotopes can effectively trace the water cycle and explore many water resources and water environment issues. In the study of isotope hydrological cycle, there have been many reports on isotope research. Surface water bodies (such as rivers, lakes, reservoirs) lose water through evaporation. When the water body evaporates, the hydrogen and oxygen isotope content of the water molecules will change slightly. This change is caused by isotope fractionation. In the hydrological cycle, there are many processes that can caus...

Claims

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Application Information

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IPC IPC(8): G01N33/18
CPCG01N33/18
Inventor 胡海英黄国如余水灵
Owner SOUTH CHINA UNIV OF TECH
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