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Sunday, May 10, 2020 | History

2 edition of Regional analyses of runoff characteristics for small urban watersheds found in the catalog.

Regional analyses of runoff characteristics for small urban watersheds

George B. Shih

Regional analyses of runoff characteristics for small urban watersheds

by George B. Shih

  • 237 Want to read
  • 32 Currently reading

Published by Utah Water Research Laboratory, College of Engineering, Utah State University in Logan .
Written in English

    Places:
  • Texas.
    • Subjects:
    • Runoff -- Mathematical models.,
    • Runoff -- Data processing.,
    • Runoff -- Texas.,
    • Urban hydrology.

    • Edition Notes

      Bibliography: p. 43-45.

      Statementby George B. Shih, J. Paul Riley, Eugene K. Israelsen.
      SeriesPRWG ;, 87-1
      ContributionsRiley, J. Paul 1927- joint author., Israelsen, Eugene K., 1936- joint author.
      Classifications
      LC ClassificationsTD224.U8 U85 87-1, GB980 U85 87-1
      The Physical Object
      Paginationviii, 69 p. :
      Number of Pages69
      ID Numbers
      Open LibraryOL5019192M
      LC Control Number76623196

      Chapter 5 Rainfall March Urban Drainage and Flood Control District Urban Storm Drainage Criteria Manual Volume 1. Overview. The purpose of this chapter is to provide rainfall depth, duration, intensity, and frequency data and analytical methods used to develop the rainfall information needed to carry out the hydrological analyses. Urbanization alters watershed ecosystem functioning, including nutrient budgets and processes of nutrient retention. It is unknown, however, how variation in stormwater infrastructure design affects the delivery of water and materials from urban watersheds. In this study, we asked: (1) How does stormwater infrastructure design vary over time and space in an arid city (Phoenix, Arizona, USA.

      The JFURP study will concentrate on determining the characteristics of storm- water runoff at five representative urban watersheds (less than 20 acres) and its impact on three receiving waters within the Jones Falls drainage basin. Drainage areas for the receiving water sites range in . A physically based model of the 14 km 2 Dead Run watershed in Baltimore County, MD was created to test the impacts of detention basin storage and soil storage on the hydrologic response of a small urban watershed during flood events. The Dead Run model was created using the Gridded Surface Subsurface Hydrologic Analysis (GSSHA) algorithms and validated using U.S. Geological Survey stream.

        Physiographic Characteristics Drainage: The Stream Order, Drainage Pattern, and Drainage Density have a profound influence on watershed as to runoff, infiltration, land management etc. It determines the flow characteristics and erosional behavior. If drainage density is more, peak runoff . Effective impervious area (EIA), or the portion of total impervious area (TIA) that is hydraulically connected to the storm sewer system, is an important parameter in determining actual urban runoff. EIA has implications in watershed hydrology, water quality, environment, and ecosystem services.


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Regional analyses of runoff characteristics for small urban watersheds by George B. Shih Download PDF EPUB FB2

Recommended Citation. Shih, George B.; Riley, J. Paul; and Israelsen, Eugene K., "Regional Analyses of Runoff Characteristics for Small Urban Watersheds" ().Author: George B. Shih, J. Paul Riley, Eugene K. Israelsen. Regional analyses of runoff characteristics for small urban watersheds.

Logan: Utah Water Research Laboratory, College of Engineering, Utah State University, (OCoLC) Material Type: Government publication, State or province government publication: Document Type: Book: All Authors / Contributors: George B Shih; J Paul Riley; Eugene K Israelsen.

To solve this issue, a flood frequency analysis was conducted on small rural watersheds within the southwest portion of the state of Utah to develop regression equations estimating flood flows for mid-size watersheds. The watersheds selected range from mi 2 to 30 mi 2, and have at least 10 years of peak discharges recorded by the USGS.

The purpose of this study is to investigate the characteristics of pollutants overflow on storm events, relationships between pollutant load and runoff, and the first flush effect in urban areas. Nine watersheds in the cities of Taejon and Chongju, Korea were selected for sampling and study with different characteristics during the period from June to November Cited by: Urban Hydrology for Small Watersheds Chapter 1 IntroductionIntroduction The conversion of rural land to urban land usually increases erosion and the discharge and volume of storm runoff in a watershed.

It also causes other problems that affect soil and water. As part of pro-grams established to alleviate these problems, engi. The use of computer-assisted map analysis techniques for prediction of storm runoff from a small urban watershed in the United States is investigated.

Runoff water quality characteristics in a small agriculture watershed. Authors; () A study on daily analysis of runoff load (in Japanese with English summary). Trans of the of L-Q equation by dividing into irrigation period and non-irrigation period where irrigation is taking place in the small watershed (in Japanese with English.

Moran's I results illustrated that the high-high clusters in Shenyang were mainly concentrated in the urban center. BRT analysis indicated that runoff had the strongest correlation with rainfall (%), followed by impervious ratio (%), normalized difference vegetation index (%), antecedent 5-day rainfall (%), and UFZs (%).

WinTR is a single-event rainfall-runoff small watershed hydrologic model. The model generates hydrographs from both urban and agricultural areas and at selected points along the stream system. Hydrographs are routed downstream through channels and/or reservoirs. Multiple sub-areas can be modeled within the watershed.

Model Overview. 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. SIRMagnitude and frequency of floods for urban streams in Alabama, ; SIRMagnitude and Frequency of Floods in Alabama, ; SIRMagnitude and Frequency of Floods on Small Rural.

Effective Impervious Area for Runoff in Urban Watersheds predicts the asymptotic CN from watershed characteristics. Rainfall-runoff, land cover, and soil data from 35 urban catchments with.

Quantitative Characteristics of Watersheds. Physical Characteristics. Watershed geomorphology refers to the physical characteristics of the watershed.

Basin area, basin length, basin slope, and basin shape are the physical characteristics of watersheds, significantly affecting the characteristics of runoff and other hydrologic processes. characteristics of urban runoff for areas of Colorado and the United States having similar meteorology and hydrology to what is found within the Urban Drainage and Flood Control District (UDFCD) region.

Five methods of hydrologic analysis are described in the Urban Storm Drainage Criteria Manual (USDCM): 1. The Rational Method, 2. Urban Hydrology for Small Watersheds Chapter 1 IntroductionIntroduction The conversion of rural land to urban land usually increases erosion and the discharge and volume of storm runoff in a watershed.

It also causes other problems that affect soil and water. As part of. Flood Characteristics of Urban Watersheds tn the United States By V. Sauer, W. Thomas, Jr., V. Stricker, and K.

Wilson Abstract A nationwide study of flood magnitude and frequency in urban areas was made for the purpose of reviewing available literature, compiling an urban. RAINFALL-RUNOFF RELATIONSHIPS FOR SMALL, MOUNTAINOUS, FORESTED WATERSHEDS IN THE EASTERN UNITED STATES by NEGUSSIE HAILU TEDELA (Under the Direction of Todd C.

Rasmussen and Steven C. McCutcheon) ABSTRACT Runoff is a complex interaction between precipitation and landscape factors. While some of these factors (e.g., land use and cover. Statistical analyses show a nonlinear relationship exists between the watershed variables and storm water runoff, thus requiring a mix of watershed metrics for optimal policy design.

Designing a storm water policy could be based on marginal equations derived from the estimated regressions (Table 3) and used to target independent variables with. Percolation is also aided by the activity of burrowing animals, insects, and earthworms.

Second, a watershed stores rainwater once it filters through the soil. Once the watershed's soils are saturated, water will either percolate deeper, or runoff the surface. occurs on a small percentage of the watershed.

Regression equations seek to relate a causal factor, such as ra infall and/or watershed characteristics, with an effect, such as peak discharge, runoff volume, or annual mean flows, through statistical correlation.

Their applicability to urban storm water Regional Analysis. Finally the application of models to ungauged catchments (regional analysis) is discussed. For a more extensive treatment of these subjects, the reader is referred to Rainfall-Runoff Modelling in Gauged and Ungauged Catchments by Wagener et al.

() and also the AGU Monograph on Calibration of Watershed Models (Duan et al., ). SMB Water Quality. Metals, nutrients, PAHs, and other pollutants that flow into SMB were sampled directly in receptor waters as part of the integrated watershed analysis.

In one phase of the study, measurements of chemical runoff were coordinated with air .Chapter 15 Time of Concentration Introduction This chapter contains information on the watershed characteristics called travel time, lag, and time of concentration.

These watershed characteristics influ-ence the shape and peak of the runoff hydrograph. The National Engineering Handbook, PartHydrology.

For Harry's Brook, rainfall of approximately 30 mm in 30 min produced runoff ratio close to 1 and a flood peak comparable to the largest unit discharge peaks from small urban watersheds in the U.S.

The estimated peak discharge values in Simon Run for the ten largest flood peaks during the period of – are markedly smaller than the ten.