ISPRS - Technical Commission IV 1992-1996

Mapping and Geographic Information Systems


Roy A. Welch
University of Georgia
Center for Remote Sensing and Mapping Science
Department of Geography
Athens, GA 30602-2403
+1-706-542 2359
+1-706-542 2358


  • Analog and digital mapping procedures and products
  • Revision of topographic maps and map databases
  • Data acquisition, data processing, analysis of data and visual representation in GIS
  • Application of GIS to land related record management (e.g., multipurpose cadastre and utility mapping) and decision making tasks
  • Radar and planetary mapping
  • Digital elevation models


WG IV/1 - GIS Data and Applications
Chairperson: Dr. E. Lynn Usery, Athens, Georgia, USA

WG IV/2 - International Mapping from Space
Chairperson: Prof. Dr. Gottfried Konecny, Hannover, Germany

WG IV/3 - Map and Database Revision
Chairperson: Paul R. T. Newby, Hants, United Kingdom

WG IV/4 - Digital Elevation Models and Digital Orthoimages for Mapping/GIS Applications
Chairperson: Dr. Luiz Alberto Vieira Dias, Sao Jose dos Campos, Brazil

WG IV/5 - Extraterrestrial Mapping
Chairperson: Dr. Sherman S. C. Wu, Las Vegas, Nevada, USA

WG IV/6 GIS and Expert Systems for Global Environmental Databases
Chairperson: Dr. Ryutaro Tateishi, Chiba, Japan

IWG III/IV - Conceptual Aspects of GIS
Chairperson: Prof. Dr. Martien Molenaar, AH Wageningen, Netherlands


The International Society for Photogrammetry and Remote Sensing is a non-governmental organization devoted to the development of international cooperation for the advancement of photogrammetry and remote sensing and their applications. The Society operates without any discrimination on grounds of race, religion, nationality, or political philosophy.

Our Contact

Leibniz University Hannover
Institute of Photogrammetry and GeoInformation
Nienburger Str. 1
D-30167 Hannover