Data Acquisition for Hydrologic GIS

by Edward J. VanBlargan, Earth Information Services, Harrisburg, United States,
Robert M. Ragan, Earth Information Services, Harrisburg, United States,

Document Type: Proceeding Paper

Part of: Hydraulic Engineering


Various data acquisition options for hydrologic oriented GIS are presented. These options include manual digitizing, commercial digital data, satellite products, and automated scanning. The advantages and disadvantages of each option are discussed in relation to typical hydrologic data sets. A case study is presented in which a land use data base was constructed for the state of Maryland.

Subject Headings: Hydrologic data | Geographic information systems | Data collection | Information systems | Hydrology | Satellites | Databases | Mapping | Maryland | United States

Services: Buy this book/Buy this article


Return to search