High-resolution land utilization and forest landscape process coupling simulation system and method

A high-resolution, system-simulating technique with applications in geography and ecology

Pending Publication Date: 2020-10-16
SHENYANG INST OF APPLIED ECOLOGY - CHINESE ACAD OF SCI
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Problems solved by technology

[0006] Aiming at the existing problems in the research on the impact of land use change on forest ecosystem carbon storage, the present invention provides a high-resolution land use and forest landscape process coupling simulation system and method;

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  • High-resolution land utilization and forest landscape process coupling simulation system and method
  • High-resolution land utilization and forest landscape process coupling simulation system and method
  • High-resolution land utilization and forest landscape process coupling simulation system and method

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Embodiment Construction

[0068] The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0069] On the one hand, the present invention provides a high-resolution land use and forest landscape process coupling simulation system, such as figure 1 , including the land use change module and the forest succession module;

[0070] The land use change module calculates the change of land use pattern under different socio-economic and natural conditions in the future based on the neural network model and combined with the adaptive inertial competition mechanism. This module can effectively couple socio-economic elements and natural environment elements, and realize the simulation of land use change by designing transformation matrix and roulette mechanism between different land types, which better compensates for the local transformation and parameter determination in the traditional cellular automata method complex issues. This mod...

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Abstract

The invention provides a high-resolution land utilization and forest landscape process coupling simulation system and method, and relates to the technical field of geology and ecology. The system comprises a land utilization change module and a forest succession module. The land utilization change module is used for calculating land utilization pattern changes under different social, economic andnatural conditions in the future by utilizing a self-adaptive inertia competition mechanism on the basis of the neural network model; the forest succession module is a spatial intuitive landscape model for simulating forest succession on a large space-time scale. According to the invention, the influence of future climate change and land utilization change on the carbon reserve of the forest ecosystem in China can be evaluated more accurately. Compared with an existing ecosystem process model, the model needs fewer parameters and is more convenient to obtain, the operation efficiency is higher, and forest resource survey data can be directly used for parameterizing the model and verifying the simulation precision of the model.

Description

technical field [0001] The invention relates to the technical fields of geography and ecology, in particular to a high-resolution land use and forest landscape process coupling simulation system and method. Background technique [0002] Land use change is one of the most important factors affecting the carbon cycle of terrestrial ecosystems, and its impact on atmospheric CO 2 The contribution of increased concentrations is second only to the burning of fossil fuels (Foley et al. 2005, Houghton et al. 2012). Existing studies have shown that from 1850 to 1998 there were 136±5×10 9 t carbon is emitted from terrestrial ecosystems to the atmosphere through land-use change, accounting for approximately the current increase in atmospheric CO 2 33% of the total (Watson et al. 2000). Forests are the largest carbon pool in terrestrial ecosystems, accounting for about 45% of global terrestrial ecosystem carbon storage, and play an important role in the global carbon cycle (Pan et al...

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Application Information

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IPC IPC(8): G06F30/27
CPCG06F30/27
Inventor 梁宇黄超
Owner SHENYANG INST OF APPLIED ECOLOGY - CHINESE ACAD OF SCI
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