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Thursday, July 30, 2020 | History

3 edition of comparison of methods used in flood-frequency studies for coastal basins in California found in the catalog.

comparison of methods used in flood-frequency studies for coastal basins in California

R W. Cruff

comparison of methods used in flood-frequency studies for coastal basins in California

by R W. Cruff

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Published by U.S. Government Printing Office in Washington D.C .
Written in English


Edition Notes

Statementby R.W. Cruff and S.E. Rantz.
SeriesFlood hydrology, Geological Survey water-supply paper 1580-E
ContributionsRantz, S E., United States. Geological Survey., California. Department of Water Resources.
ID Numbers
Open LibraryOL21398548M

Stream flow quantile regression modeling using land use information in Sperchios river basin (Central Greece) used in flood frequency s tudies for coastal basins. a simulation study . “ Interpretation of hydraulic fracturing pressure: A comparison of eight methods used to identify shut-in pressures.” International Journal of Rock Mechanics and Mining Sciences, 30, –

We use cookies to offer you a better experience, personalize content, tailor advertising, provide social media features, and better understand the use of our services.   However, several regions emerge as being prone to flash flooding: 1) the West Coast, 2) Arizona, 3) the Front Range, 4) Flash Flood Alley, 5) the Missouri Valley, and 6) the Appalachians. High flashiness in the West Coast region is restricted to the coastal basins and the upslope region of the Sierra Nevada near Lake by:

Flood frequency analysis based on simulated peak discharges. Flood frequency analysis based on simulated ability distribution, which was far from fitting our study data in comparison. Hydrograph Synthesis – Santa Barbara Urban Hydrograph The Santa Barbara Urban Hydrograph (SBUH) method is described below. It is given here as a guideline only, as it is only one of the many SCS-based hydrograph methods that are available for use. The SBUH method, like the Soil Conservation Service Unit Hydrograph (SCSUH) method, is File Size: KB.


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Comparison of methods used in flood-frequency studies for coastal basins in California by R W. Cruff Download PDF EPUB FB2

METHODS USED IN FLOOD-FREQUENCY STUDIES, CALIFORNIA E entire year base period, The next step was to select a few stations that were strategically located for use as base stations, and then to estimate the logarithms of the annual peak discharges needed to complete the year array for these by: A Comparison of Methods Used In Flood-Frequency Studies for Coastal Basins in California [Cruff, R.W.

& Rantz, S.E., map in Rear Pocket, Charts, Graphs] on *FREE* shipping on qualifying offers. A Comparison of Methods Used In Flood-Frequency Studies for Coastal Basins in California.

A comparison of methods used in flood-frequency studies for coastal basins in California on *FREE* shipping on qualifying cturer: United States Geological Survey. Get this from a library. A comparison of methods used in flood-frequency studies for coastal basins in California.

[R W Cruff; S E Rantz; Geological Survey (U.S.); United States. Department of the Interior.; California. Department of Water Resources.]. Evaluation of Methods Used for Estimating Selected Streamflow Statistics, and Flood Frequency and Magnitude, for Small Basins in North Coastal California By Michael P.

Mann, Julé Rizzardo, and Richard Satkowski Prepared in cooperation with the California State Water Resources Control Board Scientific Investigations Report Data, ) was used to develop a method based on the use of the LP3 distribution and regional estimates for all three param- eters (mean, standard deviation, and skew) to determine flood- frequency estimates in the by: 8.

California was used to update flood frequency for the sites used in the regional skew analysis as well as selected sites in the Sacramento–San Joaquin River Basin. For these sites, annual-peak discharges having recurrence intervals of 2, 5, 10, 25, 50, and years were determined on the basis of data through water year File Size: 4MB.

Use of unevaluated or underevaluated flow-statistic estimation techniques can result in improper water-resources decision-making. The California State Water Resources Control Board (SWRCB) uses two key techniques, a modified rational equation and drainage basin area-ratio transfer, to estimate streamflow statistics at ungaged locations.

We recommend that you register using the same email address you use to maintain your ASCE Member account. Email. Returning user Can't sign in. Forgot your password. Enter your email address below and we will send you the reset instructions.

Email. Retype the. The index-flood (IF) method, developed by the U.S. Geological Survey (Dalrymple, ; Benson, ), is widely used to perform regional flood-frequency analysis.

The basic premise of this method is that a combination of streamflow records maintained at a number of gaging stations will produce a more reliable, not a longer, record, and thus. The regression equations developed for these regions are for estimating peak discharges (QT) having recurrence intervals T that range from 2 to years.

The explanatory basin variables used in the equations are drainage area (A), in square miles; mean annual precipitation (P), in inches; and an altitude index (H). Study focus. We sought to better understand the rates and variability of suspended-sediment discharge from small coastal watersheds (Cited by: Coastal landforms are shaped by erosional factors and depositional features that are often influenced by local to regional controls on wave energy (e.g., seafloor geometry, storm surges, seismic waves, tides, and local currents).

Methods for estimating the magnitude and frequency of floods in California that are not substantially affected by regulation or diversions have been updated.

Annual peak-flow data through water year were analyzed for streamflow-gaging stations (streamgages) in California having 10 or more years of data. Flood-frequency estimates were computed for the. In this study some interesting case studies located in Puglia region (Southern Italy) are investigated, using flooded maps for return periods of 30, and years provided by Basin.

Suggested Citation: "6 Types of Coastal Zones: Similarities and Differences by Douglas " National Research Council. Environmental Science in the Coastal Zone: Issues for Further Research. Washington, DC: The National Academies Press. doi: / Coastal and estuarine waters are the parts of the sea that overwhelmingly.

The SWRCB also has needs for developing flood-frequency data. The SWRCB uses two primary methods for flood-frequency estimation. These methods include the RF and the USGS regional-relations developed by Waananen and Crippen ().

Most recommendations restrict use of the RF methods to basins of less than 1 square mile. The book will be of great use to scientists, engineers, and technicians involved in the research, development, and implementation of energy technology. Show less Energy & Resource Development of Continental Margins is a collection of papers that addresses issues in the development of energy technology and exploration of energy sources.

Note: Prior to use and application, reference the “Expectations of Use” preface. Technical Studies APP B Sacramento and San Joaquin River Basins December I-2 Comprehensive Study, California responsible for the derivation of information and.

Improved flood-frequency information is important throughout California in general and in the Sacramento-San Joaquin River Basin in particular, because of an extensive network of flood-control levees and the risk of catastrophic flooding. A key first step in updating flood-frequency information is determining regional skew.

A Bayesian generalized least squares (GLS) regression method was used. Methods for determining magnitude and frequency of floods in California, based on data through water year USGS Scientific Investigations Report [Gotvald, Anthony J., Barth, Nancy A., et al.] on *FREE* shipping on qualifying offers.

Methods for determining magnitude and frequency of floods in California, based on data Author: Nancy A. Barth.In this study, flood frequency analysis was carried out on the annual maximum discharge data for River Niger at Onitsha bridge head from to using five probability distributions namely.Chapter 1 An overview of the petroleum geology of the Arctic ANTHONY M.

SPENCER1, ASHTON F. EMBRY2, DONALD L. GAUTIER3, ANTONINA V. STOUPAKOVA4 & KAI SØRENSEN5* 1Statoil, Stavanger, Norway 2Geological Survey of Canada, Calgary, Alberta, Canada 3United States Geological Survey, Menlo Park, California, USA 4Moscow State Cited by: