Original Articles

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

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.

Cite this article

HUANG Hongsheng,, YUE Tianxiang . Progress in Management System of Resource and Environmental Modelbase[J]. PROGRESS IN GEOGRAPHY, 2007 , 26(1) : 77 -86 . DOI: 10.11820/dlkxjz.2007.01.008

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