Table of ContentsBasic Hydrology Watershed morphology Basin size Watershed land slope Area - elevation curve Matching area- and ppt- elevation relationships can be used to compute basin average precipitation Indices of basin shape Strahler’s order of streams Bifurcation ratio Effect of Bi on hydrograph shape Channel slope and profile Determining mean channel slope Drainage density Valley flat Other factors Precipitation - runoff Runoff coefficient Calculating rainfall - runoff ratioExample: 240 Creek, UPCWater year Sept - Aug Runoff coefficient 240 Creek Spring-summer runoff vs snowpack Predicting spring runoff in interior watersheds Precipitation & temperature Use of snow course data to predict runoff Effect of antecedent conditions on rainfall - runoff relation Antecedent Precipitation Index API for Russell Creek Jan 1992 API for Russell Creek Jul 1992 Synthetic unit hydrograph PPT Slide Russell Creek 1991 - 92 |
Author: Robert Hudson
Email: Rob.Hudson@gems3.gov.bc.ca Home Page: http://www.for.gov.bc.ca/rco/research/index.htm Other information: |