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<br />c <br /> <br />CFS <br /> <br />DUH <br />HMR <br />IDF <br /> <br />LAG <br /> <br />NWS <br />PMF <br /> <br />PMP <br /> <br />GLOSSARY <br /> <br />Coefficient related to the hydrologic efficiency of a drainage basin relative to flood hy- <br />drograph generation by the unit hydrograph method <br />Cubic feet per second; this abbreviation is now considered obsolete, but has been used <br />in many historic accounts of flood The preferred symbol is ft3js, <br />Dimensionless Unit Hydrograph <br />Hydrometerological Report <br />Inflow design flood, the specific inflow flood for which a dam or hydraulic structure has <br />been designed <br />The time between the midpoint of excess rainfall and the instant when half of the runoff <br />volume has passed a given point on the stream <br />National Weather Service <br />Probable maximum flood; the maximum runoff condition resulting from the most severe <br />combination of hydrologic and meterologic conditions that are considered reasonably <br />possible for a particular drainage basin <br />Probable maximum precioitation; theoretically, the greatest depth of precipitation for a <br /> <br />given duration that is physically possible over 3 gi'Jen size storm area at a particular <br /> <br />geographic location at a certain time of the year <br /> <br />PMS probable maximum storm, a critical arrangement of the PMP in a sequence to produce <br /> <br /> <br />maximum runoff from a basin <br /> <br />,I <br />;~ <br /> <br />SCS <br />SEED <br />TVA <br />USBR <br />USDI <br />USGS <br /> <br />Soil Conservation Service <br />Safety Evaluation of Existing Dams <br />Tennessee Valley Authority <br />Bureau of Reclamation <br />United States Department of the Interior <br />United States Geological Survey <br />