摘要: The purpose of this memorandum is to present the criteria used and the results of studies which provide the basis for determining channel, reservoir, spillway and outlet capacities, flowage requirements, and plan for reservoir reg... 展开 The purpose of this memorandum is to present the criteria used and the results of studies which provide the basis for determining channel, reservoir, spillway and outlet capacities, flowage requirements, and plan for reservoir regulation. Contents: Description of drainage area; Temperature; Wind; Humidity; Evaporation; Snowfall; Rainfall; Stream flow records; Storms; Flood flows; Flood frequency; Low flow frequency; Area-capacity curve; Unit hydrograph study; Method of analysis; Minimum loss and infiltration index; Unit hydrograph of reservoir inflow from sub-areas; Spillway design flood; Criteria for routing spillway design flood; Standard project flood; Reservoir design flood; Five-year flood routing; Easement taking line; Reservoir allocation; Selection of spillway length & surcharge elevation; Outlet; Reservoir regulation; Freeboard; Tailwater rating curve; Channel capacity; Silting of reservoir. 收起