Flow duration of Illinois streams.
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Flow duration of Illinois streams.

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Published in [Springfield] .
Written in English



  • Illinois.


  • Stream measurements -- Illinois.,
  • Water-supply -- Illinois.

Book details:

Edition Notes

StatementPrepared cooperatively by the U.S. Dept. of the Interior, Geological Survey [and the] State of Illinois, Dept. of Public Works and Buildings, Division of Waterways.
LC ClassificationsGB1225.I27 M52
The Physical Object
Paginationvii, 189 p.
Number of Pages189
ID Numbers
Open LibraryOL213367M
LC Control Numbera 57009634

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NOTICE: In January , USGS WaterWatch began operating in maintenance-only mode. Existing tools, features, and web data services are being fully maintained as before, but new tools and enhancements will no longer be developed. Please contact USGS WaterWatch if . Appendix C. River Basins for which the Illinois Streamflow Assessment Model Has Been Developed 46 LIST OF FIGURES Figure 1. Some sample annual flow-duration curves 2 Figure 2. Estimation of the 7-day and day low flows from the daily flow records 3 Figure 3. Transformation of the annual flow-duration curve to other parameters 5 Figure 4. Low flows in Illinois streams occur most often in the fall months and do not occur in March or April, which are months of high spring flows, snowmelt, and high water table. Therefore, the water year selected for low flow analysis was taken to begin April 1 and end March 31 of the following year. The United States Geological Survey publishes updated drought maps on their website. There you can view a map that shows where below normal 7-day average stream flow conditions were recently recorded. The maps are updated daily. Get a current Illinois drought map here.

Statewide Water-Quality Real-Time Table Real-time data typically are recorded at minute intervals, stored onsite, and then transmitted to USGS offices every 1 to 4 hours, depending on the data relay technique used. The Program T&M Chapter 6 of Book 4, The National Streamflow Statistics Program: A Computer Program for Estimating Streamflow Statistics for Ungaged Sites; Alabama. SIR , Magnitude and frequency of floods for urban streams in Alabama, ; SIR , Magnitude and Frequency of Floods in Alabama, ; SIR , Magnitude and Frequency of Floods on Small Rural Streams . The statistics presented in this Illinois DUI Fact Book are the most recent numbers available at the time of publication. This manual does not cover every aspect of Illinois’ DUI laws and should not be cited as a legal authority in court. ♻ Printed on recycled paper. Printed by authority of the State of Size: KB.   The flood peaked that day at PM Eastern Time in the evening, when the stream stage reached feet with a corresponding instantaneous streamflow of 6, cubic feet per second (cfs). Alternatively, base flow at Peachtree Creek (left picture) is around feet, with a streamflow of about 25 cfs. (Credit: Howard Perlman, USGS).

Chapter 15 Time of Concentration 15–iv (–VI–NEH, May ) Figure 15–1 Types of flow 15–2 Figure 15–2 Conceptual watershed illustrating travel time from 15–3 the centroid (gray dot) of each band of area to the watershed outlet Figure 15–3 The relation of time of concentration (T c) and lag (L) 15–4. Illinois Streams: A list of all the Streams in Illinois that begin with c with maps, driving directions and a local area search function. University of Illinois at Urbana-Champaign Prairie Research Institute William Shilts, Executive Director ILLINOIS NATURAL HISTORY SURVEY Brian D. Anderson, Director South Oak Street Champaign, IL Evaluating Water Temperature, Habitat and Fish Communities in Candidate Coolwater Streams in Illinois. Illinois River (Peoria Area) TMDL and LRS Development Watershed Characterization and Source Assessment Report (Stage 1) REVIEW DRAFT August 4, Prepared for U.S. Environmental Protection Agency -- Region 5 Illinois Environmental Protection Agency Prepared by Tetra Tech, Inc. West Ninth Street, Suite Cleveland, OH