模式应用

资源环境模型库管理系统研究进展

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  • 1. 中国科学院地理科学与资源研究所资源与环境信息系统国家重点实验室, 北京100101|
    2. 江西农业大学国土资源与环境学院, 南昌|
    3. 中国科学院研究生院, 北京
黄宏胜(1976-),男, 江西南城人, 博士研究生, 研究方向为资源环境模型与系统模拟. E- mail: hhs16@vip.sina.com

收稿日期: 2006-09-01

  修回日期: 2007-01-01

  网络出版日期: 2007-02-20

基金资助

中国科学院知识创新工程重要方向项目(KZCX2- YW- 429);国家科技支撑计划(2006BAC08B04) ; 国家高技术研究发展计划(2006AA12Z219) ; 国家科技合作项目(2006DFB919201) .

Progress in Management System of Resource and Environmental Modelbase

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  • 1. State Key Laboratory of Resource and Environment Information System, Institute of Geographic Sciences and Nature Resources Research, CAS, Beijing 100101, China|
    2. College of Land Resource and Environment, JAU, Nanchang, China|
    3. Graduate School of the Chinese Academy of Sciences, Beijing, China

Received date: 2006-09-01

  Revised date: 2007-01-01

  Online published: 2007-02-20

摘要

资源环境模型库管理系统是资源环境研究中的关键问题之一。建立资源环境模型库管理 系统通常有两种途径。一种途径是采用模型管理技术, 其主要方法包括数据式模型管理、结构化 模型管理、面向对象的模型管理和基于知识的模型管理, 这种方式的优势是可以有效地管理资源 环境模型, 但对空间数据处理的功能较弱, 需要编写大量的程序代码。另一种途径是在GIS 中管 理模型, 如ArcGIS 中的ModelBuilder, 这种方式的优点是可以充分利用GIS 的空间数据处理能 力, 但对复杂模型的支持较差。根据以上两种方式的特点, 本文提出了一种面向对象的资源环境 模型管理框架, 把模型抽象为模型类与模型实例, 采用面向对象方法表达模型, 通过构建资源环 境模型引擎处理空间数据和模型数学方程; 利用模型库和数据库, 可以实现模型的有效管理和模 型重用。

本文引用格式

黄宏胜,岳天祥 . 资源环境模型库管理系统研究进展[J]. 地理科学进展, 2007 , 26(1) : 77 -86 . DOI: 10.11820/dlkxjz.2007.01.008

Abstract

Management System of Resource and Environmental Model base (MSREM) is one of the essential issues in resource and environmental field. There are usually two ways to develop MSREM, of which one is the model management techniques including database approach, structured modeling approach, object - oriented approach and knowledge - based approach, and another one is model management in GIS software such as Model Builder in ArcGIS. The first way can efficiently manage the models, but requires creating lots of codes to handle spatial data. The second way can utilize GIS to manipulate spatial data, but it doesn't support building complex mathematical models. This paper proposes an object- oriented framework for MSREM, in which models are abstracted to model class and model instance. Model class and model instance are represented as an object. Spatial data and mathematical equation are parsed by Model Engine that is composed of mathematical library and GIS component. Model management and model reuse can be efficiently realized by combination of model base and database.

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