TGIS and Its Application in Research of Soil & Water Conservation

YANG Qinke; Tim Mc Vicar

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TGIS and Its Application in Research of Soil & Water Conservation

- TGIS and Its Application in Research of Soil & Water Conservation
- Bulletin of Soiland Water Conservation Vol. 24, Issue 6, Pages: 58(2005)
- 作者机构：
  
  1. 中国科学院水利部水土保持研究所, 陕西杨凌,712100
  2. 澳大利亚联邦科学与工业研究组织水土资源研究所, Canberra601, ACT, Australia
- 作者简介：
- 基金信息：
- DOI：
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- Published：2005
- 稿件说明：
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YANG Qinke, Tim Mc Vicar. TGIS and Its Application in Research of Soil & Water Conservation[J]. Bulletin of Soiland Water Conservation, 2005, 24(6): 58.
DOI：

YANG Qinke, Tim Mc Vicar. TGIS and Its Application in Research of Soil & Water Conservation[J]. Bulletin of Soiland Water Conservation, 2005, 24(6): 58. DOI：

摘要

介绍了动态地理信息系统(TGIS)的概念及研究进展，提出和界定了与TGIS相关的几个重要术语(包括比例尺、尺度、分辨率)；对TGIS发展概况，TGIS时空特征和TGIS数据构建方法，TGIS在水土保持研究中应用的几个主要方面---土地利用时空动态分析、试验观测数据表面模型建立与分析等进行了讨论。提出了TGIS研究中几个重要问题，包括:时间空间精度评估和其不确定性，元数据标准等。

Abstract

Based on the introduction of concepts for temporal-geograp hic information systems(TGIS)

and rele-vant concept s including cartograp hic scale

extent

resolution and scaling

progresses of TGIS in western and Chi-na were reviewed briefly. Then the spatial and temporary properties

and the database construction method of TGIS

main applications of TGIS in regional soil erosion researches

including patio-temporary analysis of landuse change

interpolation of sampling data

were discussed. Emerging issues for TGIS research and pplication

in-cluding the assessmentof spatial-temporal accuracy and uncertainty

were discussed at last.

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