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Method for predicting future intertidal zone area development trend based on intertidal zone area change model

A technology of area change and model prediction, applied in prediction, design optimization/simulation, data processing applications, etc., can solve problems such as ignoring the impact of tidal flat vegetation and taking into account the deposition and erosion process of tidal flat wetlands

Active Publication Date: 2020-06-12
HOHAI UNIV
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Problems solved by technology

[0004] Modern research methods on the change of tidal wetland area mainly use long-term sequence remote sensing image data to interpret and monitor the change of tidal wetland area. However, this method is only a passive monitoring of the area of ​​tidal wetland and does not take into account the tidal wetland area. The sedimentary erosion process is taken into account, and the impact of tidal flat vegetation on the wetland area is ignored

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  • Method for predicting future intertidal zone area development trend based on intertidal zone area change model
  • Method for predicting future intertidal zone area development trend based on intertidal zone area change model
  • Method for predicting future intertidal zone area development trend based on intertidal zone area change model

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Embodiment Construction

[0080] The present invention will be further described below in conjunction with specific embodiments.

[0081] The invention consists of three parts, such as figure 1 Shown: tide model, plant growth model and sedimentation model.

[0082] Such as figure 2 As shown, the tide model mainly simulates the periodic tidal submergence of the intertidal zone. The plant growth model mainly simulates the annual biomass and litter quality changes of typical annual vegetation in the intertidal zone and their impact on the deposition of the intertidal zone. The sedimentation model simulates the dynamic process of deposition and erosion of the intertidal wetland under the influence of tides and vegetation, and outputs area change data.

[0083] A method for predicting the future development trend of the intertidal area based on the intertidal area change model. The steps are as follows:

[0084] (1) Field visits to confirm the main vegetation types in the intertidal zone, sampling to determine t...

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Abstract

A method for predicting the future intertidal zone area development trend based on an intertidal zone area change model comprises the following steps: S1, determining the growth rate, death rate and decomposition rate annual change trend of plants according to the growth phenological period characteristics and biomass data of a single vegetation, and constructing a plant growth model; s2, obtaining an intra-regional tide change equation according to the water level height and period of the tide and the time data of the big tide and the small tide, and constructing a tide model; s3, constructing a kinetic model system according to the multi-year area data of different zones of the region and the deposition and erosion effects, and constructing a deposition model; and S4, coupling the tide model, the plant growth model and the deposition model according to the influence effect of tide on the intertidal zone and the effect of single-year vegetation growth on the intertidal zone to form acompleted intertidal zone area change model, and performing simulation and prediction on different areas of the intertidal zone.

Description

Technical field [0001] The invention is a method for simulating and predicting the area change of the wetland in the intertidal zone based on STELLA system dynamics software, and is particularly suitable for simulating and predicting the area of ​​the wetland in the intertidal zone with a single annual vegetation. Background technique [0002] Intertidal wetland refers to a zone that is sometimes submerged by water and sometimes exposed to the water surface due to the action of tides, and its upper part is often exposed and the lower part is often flooded by water. [0003] As an ecosystem between waterway ecosystems, intertidal wetland has the characteristics of fragility, primary productivity, and high biodiversity. It is an important part of the global ecosystem. The change of vegetation area in the intertidal zone and its ecology The structure and function are closely related. Restoring the area of ​​wetland in the intertidal zone and vegetation plays an important role in the r...

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Application Information

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IPC IPC(8): G06Q10/04G06F30/20
CPCG06Q10/04
Inventor 刘玉虹陈琤陆滢
Owner HOHAI UNIV
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