Usefulness of LANDSAT data for monitoring plant development and range conditions in California's annual grassland
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Abstract
A network of sampling sites throughout the annual grassland region of California was established to correlate plant growth stages and forage production to climatic and other environmental factors. Plant growth and range conditions were further related to geographic location and seasonal variations. A sequence of LANDSAT data was obtained covering critical periods in the growth cycle. This was analyzed by both photointerpretation and computer aided techniques. Image characteristics and spectral reflectance data were then related to forage production, range condition, range site and changing growth conditions. It was determined that repeat sequences with LANDSAT color composite images do provide a means for monitoring changes in range condition. Spectral radiance data obtained from magnetic tape can be used to determine quantitatively the critical stages in the forage growth cycle. A computer ratioing technique provided a sensitive indicator of changes in growth stages and an indication of the relative differences in forage production between range sites.
Study Area
| Publication type | Conference Paper |
|---|---|
| Publication Subtype | Conference Paper |
| Title | Usefulness of LANDSAT data for monitoring plant development and range conditions in California's annual grassland |
| Volume | 1-A |
| Year Published | 1975 |
| Language | English |
| Publisher | National Aeronautics and Space Administration |
| Contributing office(s) | Earth Resources Observation and Science (EROS) Center |
| Description | A-3, 23 p. |
| Larger Work Type | Book |
| Larger Work Subtype | Conference publication |
| Larger Work Title | First comprehensive symposium on the practical application of Earth resources survey data |
| First page | 19 |
| Last page | 41 |
| Conference Title | NASA Earth Resources Survey Symposium |
| Conference Location | Houston, Texas, United States |
| Conference Date | June 9-12, 1975 |
| Country | United States |
| State | California |
| Other Geospatial | Coast Range, Sierra Nevada |
| Google Analytic Metrics | Metrics page |