Full text: The 3rd ISPRS Workshop on Dynamic and Multi-Dimensional GIS & the 10th Annual Conference of CPGIS on Geoinformatics

ISPRS, Vol.34, Part 2W2, “Dynamic and Multi-Dimensional GIS", Bangkok, May 23-25, 2001 
¡r Scanning - 
Journal of 
Peijun DU \ Dazhi GUO 2 and Qihao WENG 
•93. OpenGL 
1 College of Environment and Spatial Informatics, China University of Mining and Technology, 
le to Learning 
■y Publishing 
Xuzhou City, Jiangsu Province, PR.China, 221008 
ter, D., 1999. 
idition - The 
Tel: 86-516-3884199 Fax:86-516-3884756 E-mail: dupj@cumt.edu.cn, ciu.pj 1V75263.i»o< 
2 College of Environment and Spatial Informatics, China University of Mining and Technology, 
Version 1.2. 
Xuzhou City, Jiangsu Province, P.R.China, 221008 
of Surveying 
Tel: 86-516-3885869 Fax:86-516-3884756 E-mail: guodazhi@pub.\y.isiafo.nci 
\io Algorithms 
Department of Geography, University of Alabama Tuscaloosa, 
Raw Laser 
AL 35487, USA 
>grammetry & 
Phone: 205-348-0086 Fax: 205-348-2278 Email: qweng@bama.ua.edu 
1999. Laser 
using a New 
digital Terrain 
jrammetry & 
KEY WORDS: Mining subsidence, integrated data collection system, spatial simulation, hybrid data structure, 3D data structure 
amework and 
artographica v 
ocessing. 2 nd 
Mining subsidence is a kind of familiar Geo-phenomenon, and creates serious damage to regional ecology and environment in mining 
ching of Point 
areas. The monitoring, treatment and management of mining subsidence land have already got more and more attentions, and those 
iplex Objects. 
are seemed as one of the fundamental issues on sustainable development of mining areas. Among all those studying fields, the 
aal Society for 
collection of information about subsiding land, 3D representation and simulation may be the most important. It is proved that Digital 
5. Interactive 
edings of the 
Photogrammetry System (DPS) and GPS techniques can be used to capture information needed in representation of mining subsiding 
Graphics and 
land with the assistance of conventional surveying technique and spatial forecasting model. By the Integrated Data Collection System 
:alves, J.G.M., 
ruction of 3D 
(IDCS) information about subsidence, exploitation and land use in different time and position can be got. It is important and meaningful 
3S Journal of 
to realize 3D representation and simulation of subsiding land and its dynamic process, and many key issues should be discussed. 
, 1-22. 
In this paper, after and introduction, the mining subsidence phenomena and properties of subsiding land are discussed firstly, including 
I Journal of 
ig v 51, 299- 
the causes, features, and its impacts on mine production and human-settlement environment. In part III, an integrated data collection 
system (IDCS) formed by DPS, GPS, TS (Total Station), level and GIS would be proposed. In part IV, 3D data structure, especially 3D 
H. 1996. 3D 
Analysis and 
integrated data structure are analyzed according to practical situation, and some useful 3D integrated data structure are proposed, and 
Journal of 
ig v 51, 196- 
then the integration of GIS and mining subsidence forecasting model is studied. Finally, some conclusions are given in part V. 
environment problem and got more and more attention from 
1 INTRODUCTION different fields. Among those, how to capture the spatial 
After underground mineral was exploited, the original stress information about subsidence and represent and simulate the 
situation in strata and rock was destroyed and would be subsiding land is a very important issue, but relative 
distributed again. When the new stress situation formed, the achievements are few. With the development of Geomatics, 
rock would collapse and ground surface subside, that is mining which takes Remote Sensing (RS), Geographic Information 
subsidence. Mining not only bring damages to land resource and System (GIS) and Global Positioning System (GPS) as its core, 
landscape, but also cause damages to water resource (including those problem can be solved by 3S technology to great extent, 
ground and underground water), forest, ground building and ^¡s P a P er we would give some discussions on the dynamic 
construction, at last the physical, chemical and ecological process of mining subsidence, spatial information capturing, 
environment would be influenced. So mining subsidence has representation and simulation of subsiding land and process and 
already become a kind of important human-settlement relative issues.

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