Class notes 13 - Prepared in cooperation with the Office of...

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Cover Photo: Snake River in SW Idaho showing channel and related landforms, channel islands, riparian zone, and hillslopes in distant right with rock veneer ii
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Prepared in cooperation with the Office of Surface Water, U. S. Geological Survey, Reston, VA Annotated Definitions of Selected Geomorphic Terms and Related Terms of Hydrology, Sedimentology, Soil Science and Ecology By W. R. Osterkamp Open File Report 2008–1217 U.S. Department of the Interior U.S. Geological Survey iii
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U.S. Department of the Interior DIRK KEMPTHORNE, Secretary U.S. Geological Survey Mark D. Myers, Director U.S. Geological Survey, Reston, Virginia 200x Revised and reprinted: 2008 For product and ordering information: World Wide Web: http://www.usgs.gov/pubprod Telephone: 1-888-ASK-USGS For more information on the USGS—the Federal source for science about the Earth, its natural and living resources, natural hazards, and the environment: World Wide Web: http://www.usgs.gov Telephone: 1-888-ASK-USGS Suggested citation: Osterkamp, W. R., 2008, Annotated Definitions of Selected Geomorphic Terms and Related Terms of Hydrology, Sedimentology, Soil Science and Ecology: Reston, Virginia, Open File Report 2008-1217, pp 49 iv
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v Contents Preface: . ........................................................................................................................................................................ 1 Definition and description of selected terms: . ................................................................................................................ 3 A . ............................................................................................................................................................................... 3 B . ............................................................................................................................................................................... 7 C . .............................................................................................................................................................................. 10 D . .............................................................................................................................................................................. 15 E . .............................................................................................................................................................................. 18 F . ............................................................................................................................................................................... 21 G . .............................................................................................................................................................................. 22 H . .............................................................................................................................................................................. 24 I . ................................................................................................................................................................................ 26 J . ............................................................................................................................................................................... 27 K . .............................................................................................................................................................................. 27 L . ............................................................................................................................................................................... 28 M . .............................................................................................................................................................................. 28 N ............................................................................................................................................................................... 29 O . .............................................................................................................................................................................. 30 P . .............................................................................................................................................................................. 30 Q . .............................................................................................................................................................................. 34 R . .............................................................................................................................................................................. 34 S . .............................................................................................................................................................................. 37 T . ............................................................................................................................................................................... 44 U . .............................................................................................................................................................................. 46 V . .............................................................................................................................................................................. 47 W . ............................................................................................................................................................................. 47 X . .............................................................................................................................................................................. 48 Y ................................................................................................................................................................................ 48 Z . ............................................................................................................................................................................... 49 Major sources of information: . ...................................................................................................................................... 49
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Annotated Definitions of Selected Geomorphic Terms and Related Terms of Hydrology, Sedimentology, Soil Science and Ecology By W. R. Osterkamp Preface: Terminology used in fluvial geomorphology, hydrology, sedimentology, soil science, climatology, and ecology is often inconsistent among the disciplines and within a discipline. The terms defined and described herein were compiled to: 1. recognize the overlapping needs of fluvial geomorphologists and hydrologists and the related perspectives of sedimentologists, soil scientists, climatologists, and ecologists. 2. describe the earth-surface processes that result in landforms or hydrologic events that affect each of the disciplines. 3. extend many of the definitions and provide explanations of how landforms and the landscape change in response to the processes that act upon them. 4. provide different definitions for terms that are used differently by different disciplines, and 5. include specialty terms that are commonly used by practitioners of the several disciplines but are rarely if ever defined in most glossaries or dictionaries, or are inconsistently defined. As with any list of technical words, many terms have been overlooked, but future revisions to the list may be a start to correcting this deficiency. Many of the annotated definitions given below represent original expressions of the meaning of present-day terms as applied by scientists and technicians of the several disciplines considered. Many others are modifications and elaborations of definitions available in numerous pertinent glossaries. Most of the sources that were used in support of this list, however, emphasize features, such as
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Class notes 13 - Prepared in cooperation with the Office of...

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