Stream Gage Analysis: Difference between revisions
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“The availability of streamflow data is a significant factor in the selection of an appropriate technical method for reservoir studies. It is important to be cognizant of the nature, source, reliability, and adequacy of available data. It estimates are needed, the assumptions used should be documented, and the effect of errors in the estimates on the technical procedure and results should be considered”.<ref name="EM 1110-2-1420">[[Hydrologic Engineering Requirements for Reservoirs (EM 1110-2-1420) | EM 1110-2-1420 Hydrologic Engineering Requirements for Reservoirs, USACE, 1997]]</ref> | “The availability of streamflow data is a significant factor in the selection of an appropriate technical method for reservoir studies. It is important to be cognizant of the nature, source, reliability, and adequacy of available data. It estimates are needed, the assumptions used should be documented, and the effect of errors in the estimates on the technical procedure and results should be considered”.<ref name="EM 1110-2-1420">[[Hydrologic Engineering Requirements for Reservoirs (EM 1110-2-1420) | EM 1110-2-1420 Hydrologic Engineering Requirements for Reservoirs, USACE, 1997]]</ref> | ||
“The adjustment of recorded streamflows is often required before the data can be used in water resources development studies. This is because flow information usually is required at locations other than gauging stations and for conditions of upstream development other than those under which flows occurred historically. In correlating flows between locations, it is important to use ‘natural flows’ (unaffected by artificial storage and diversion) in order that correlation procedures will apply logically and efficiently. In generating flows, natural flows should be used because general frequency functions, characteristic of natural flows, are employed in this process”.<ref name="EM 1110-2-1420" /> | “The adjustment of recorded [[streamflows]] is often required before the data can be used in water resources development studies. This is because flow information usually is required at locations other than gauging stations and for conditions of upstream development other than those under which flows occurred historically. In correlating flows between locations, it is important to use ‘natural flows’ (unaffected by artificial storage and diversion) in order that correlation procedures will apply logically and efficiently. In generating flows, natural flows should be used because general frequency functions, characteristic of natural flows, are employed in this process”.<ref name="EM 1110-2-1420" /> | ||
==Best Practices Resources== | ==Best Practices Resources== | ||
{{Document Icon}} [[Hydrologic Engineering Requirements for Reservoirs (EM 1110-2-1420)|Hydrologic Engineering Requirements for Reservoirs (EM 1110-2-1420) (U.S. Army Corps of Engineers)]] | {{Document Icon}} [[Hydrologic Engineering Requirements for Reservoirs (EM 1110-2-1420)|Hydrologic Engineering Requirements for Reservoirs (EM 1110-2-1420) (U.S. Army Corps of Engineers)]] | ||
{{Document Icon}} [[ | {{Document Icon}} [[National Engineering Handbook: Chapter 5 - Streamflow Data | National Engineering Handbook: Chapter 5 - Streamflow Data (Natural Resources Conservation Service)]] | ||
{{Document Icon}} [[Guidelines for Determining Flood Flow Frequency (Bulletin 17C)|Guidelines for Determining Flood Flow Frequency (Bulletin 17C) (United States Geological Survey)]] | {{Document Icon}} [[Guidelines for Determining Flood Flow Frequency (Bulletin 17C)|Guidelines for Determining Flood Flow Frequency (Bulletin 17C) (United States Geological Survey)]] | ||
Revision as of 19:48, 21 October 2022
“The availability of streamflow data is a significant factor in the selection of an appropriate technical method for reservoir studies. It is important to be cognizant of the nature, source, reliability, and adequacy of available data. It estimates are needed, the assumptions used should be documented, and the effect of errors in the estimates on the technical procedure and results should be considered”.[1]
“The adjustment of recorded streamflows is often required before the data can be used in water resources development studies. This is because flow information usually is required at locations other than gauging stations and for conditions of upstream development other than those under which flows occurred historically. In correlating flows between locations, it is important to use ‘natural flows’ (unaffected by artificial storage and diversion) in order that correlation procedures will apply logically and efficiently. In generating flows, natural flows should be used because general frequency functions, characteristic of natural flows, are employed in this process”.[1]
Best Practices Resources
Hydrologic Engineering Requirements for Reservoirs (EM 1110-2-1420) (U.S. Army Corps of Engineers)
National Engineering Handbook: Chapter 5 - Streamflow Data (Natural Resources Conservation Service)
Guidelines for Determining Flood Flow Frequency (Bulletin 17C) (United States Geological Survey)
Citations:
Revision ID: 4004
Revision Date: 10/21/2022