The role of change data in a land use and land cover map updating program
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Abstract
An assessment of current land use and a process for identifying and measuring change are needed to evaluate trends and problems associated with the use of our Nation's land resources. The U. S. Geological Survey is designing a program to maintain the currency of its land use and land cover maps and digital data base and to provide data on changes in our Nation's land use and land cover. Ways to produce and use change data in a map updating program are being evaluated. A dual role for change data is suggested. For users whose applications require specific polygon data on land use change, showing the locations of all individual category changes and detailed statistical data on these changes can be provided as byproducts of the map-revision process. Such products can be produced quickly and inexpensively either by conventional mapmaking methods or as specialized output from a computerized geographic information system. Secondly, spatial data on land use change are used directly for updating existing maps and statistical data. By incorporating only selected change data, maps and digital data can be updated in an efficient and timely manner without the need for complete and costly detailed remapping and redigitization of polygon data.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | The role of change data in a land use and land cover map updating program |
| Series title | Pecora VII Symposium |
| Year Published | 1981 |
| Language | English |
| Publisher | American Society of Photogrammetry |
| Publisher location | Falls Church, VA |
| Description | 12 p. |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Pecora VII Symposium |
| First page | 189 |
| Last page | 200 |
| Google Analytic Metrics | Metrics page |