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A method for predicting and simulating total phosphorus cycling in shallow lake ecosystems

A technology of ecosystem and phosphorus cycle, applied in instruments, data processing applications, design optimization/simulation, etc.

Active Publication Date: 2019-01-22
GUANGZHOU RESOURCE ENVIRONMENTAL PROTECTION TECH CO LTD +1
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0005] In order to overcome the deficiencies of the prior art, the object of the present invention is to provide a method for predicting and simulating the total phosphorus cycle in shallow lake ecosystems, which can be used to scientifically evaluate the phosphorus pollution problems existing in lakes, and predict different The environmental benefits, risks and uncertainties achieved by the use of management methods, and use environmental conditions to simulate the use of different management methods to make predictions and provide scientific theoretical reference and guidance for environmental managers

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  • A method for predicting and simulating total phosphorus cycling in shallow lake ecosystems
  • A method for predicting and simulating total phosphorus cycling in shallow lake ecosystems
  • A method for predicting and simulating total phosphorus cycling in shallow lake ecosystems

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[0078] Below, the present invention will be further described in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of not conflicting, the various embodiments described below or the technical features can be combined arbitrarily to form new embodiments. .

[0079] A method for predicting and modeling total phosphorus cycling in shallow lake ecosystems comprising,

[0080] A. Construct the phosphorus cycle model in the water body:

[0081] According to the phosphorus cycle process in the water body, the phosphorus cycle model in the lake water body is constructed, and the process is as follows: a. External input; b. Diffusion of sediment; c. Decomposition and source of debris; d. Growth and absorption of submerged plants; e, growth and absorption of phytoplankton; f, growth and absorption of epiphytic algae; g, sedimentation; h, output;

[0082] B. Construct the phosphorus cycle model in the sediment:

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Abstract

The invention discloses a method for predicting and simulating the total phosphorus cycle of a shallow lake ecosystem. The method includes: A, constructing a phosphorus recycling model in water; B, constructing a phosphorus recycling model in the sediment; C, establishing a total phosphorus cycle model of shallow lake ecosystem. The method of the invention can scientifically evaluate the phosphorus pollution problem existing in the lake, and predict the environmental benefits, risks and uncertainties achieved by the use of different management methods, and use environmental conditions to makescenario simulations of the use of different management methods, so as to make predictions and provide scientific theoretical reference and guidance for environmental managers.

Description

technical field [0001] The invention relates to the field of ecosystems, in particular to a method for predicting and simulating total phosphorus cycle in shallow lake ecosystems. Background technique [0002] In the lake ecosystem, phosphorus is an essential element for all organisms, and participates in various basic functional processes of organisms. Phosphorus nutrients in lakes can be divided into exogenous phosphorus input and endogenous phosphorus input according to their sources. Exogenous phosphorus mainly enters the lake water body through various channels such as weathering and erosion of rocky soil in the watershed, surface runoff, lake surface subsidence, and rainfall. In addition, various wastes, aquaculture, agricultural fertilization, industrial wastewater, domestic sewage, etc. are also important sources of phosphorus in lakes. The endogenous phosphorus input is mainly the release of phosphorus from sediments to water bodies. The material cycle in the eco...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50G06Q10/06G06Q50/26
CPCG06Q10/06375G06Q50/26G06F30/20
Inventor 闫志强苏蕾夏北成吴迪李志今萧海敬黄秀玲张晓健周刚王广义
Owner GUANGZHOU RESOURCE ENVIRONMENTAL PROTECTION TECH CO LTD
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