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Geomorphic Classification and Assessment of Channel Dynamics in the Missouri National Recreational River, South Dakota and Nebraska.
| 题名： | Geomorphic Classification and Assessment of Channel Dynamics in the Missouri National Recreational River, South Dakota and Nebraska. |
| 作者： | elliott, c. m. jacobson, r. b. |
| 关键词： | data resources, banklines, bank erosion, error calculations, statistical classification, temporal variability, longitudinal variation, assessments, south dakota, nebraska, channel dynamics, classifications, hydrology |
| 摘要： | A multiscale geomorphic classification was established for three segments of the Missouri River on the border of South Dakota and Nebraska: the 39-mile and 59-mile segments of the Missouri National Recreational River administered by the National Park Service, and an adjacent segment, Kensler's Bend. The objective of the classification was to define naturally occurring clusters of geomorphic characteristics that would be indicative of discrete sets of geomorphic processes (process domains); with the intent that such a classification would be useful in river-management and rehabilitation decisions. The statistical classification was based on geomorphic characteristics of the river collected from 1999 digital aerial orthophotography. Persistence of classified units was evaluated by comparison with similar datasets for 2003 and 2004. Changes in channel location and form were also explored using imagery and maps from 1993 to 2004, 1941, and 1894. / NOTE: Scientific investigations rept. / Supplementary Notes: Prepared in cooperation with National Park Service, Washington, DC. / Availability Note: Order this product from NTIS by: phone at 1-800-553-NTIS (U.S. customers); (703)605-6000 (other countries); fax at (703)605-6900; and email at orders@ntis.gov. NTIS is located at 5285 Port Royal Road, Springfield, VA, 22161, USA. |
| 总页数： | u0712；76p |
| 报告类型： | 科技报告 |
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