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[Application and development of terrestrial biogeochemical model].

Xiaoke Wang1, Yanying Bai, Zhiyun Ouyang

  • 1DSE, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085. wangxk@mail.rcees.ac.cn

Ying Yong Sheng Tai Xue Bao = the Journal of Applied Ecology
|April 10, 2003
PubMed
Summary

This study reviews biogeochemical models, analyzing their development and classification. It highlights key challenges in ecosystem research, including scale, data integration, and human impacts.

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Area of Science:

  • Ecosystem Science
  • Environmental Modeling

Context:

  • Biogeochemical models are crucial for ecosystem research, complementing experimental measurements.
  • The development of these models is analyzed using the Terrestrial Ecosystem Model (TEM) and the DeNitrification-DeComposition (DNDC) model as case studies.

Purpose:

  • To classify current biogeochemical models based on methodology, application, elements, ecosystem type, and spatial scale.
  • To review the fundamental framework and processes within biogeochemical models.

Summary:

  • The basic framework includes three components (plant, air, soil) and three interfaces (plant-air, plant-soil, soil-air).
  • Fundamental processes encompass physical, chemical, and biological interactions.
  • Key challenges addressed include upscaling, integrating Geographic Information Systems (GIS) and remote sensing, incorporating human activities, and comparative studies.

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Impact:

  • Provides a comprehensive overview of biogeochemical modeling for researchers.
  • Identifies critical areas for future development and application in ecosystem research.