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2 edition of Methods for evaluating the effects of upstream flood control measures on watershed yield found in the catalog.

Methods for evaluating the effects of upstream flood control measures on watershed yield

Stanley P. Sauer

Methods for evaluating the effects of upstream flood control measures on watershed yield

by Stanley P. Sauer

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Published by Hydraulic Engineering Laboratory, University of Texas at Austin in [Austin] .
Written in English

    Subjects:
  • Watershed management.,
  • Flood dams and reservoirs.,
  • Water consumption -- Mathematical models.

  • Edition Notes

    Bibliography: leaves 101-104.

    Statementby Stanley P. Sauer and Frank D. Masch.
    ContributionsMasch, Frank D., joint author.
    Classifications
    LC ClassificationsTC409 .S38
    The Physical Object
    Paginationxii, 104 l.
    Number of Pages104
    ID Numbers
    Open LibraryOL5172246M
    LC Control Number74628132

    "flood control survey"). The prelimi-nary examination, as the name implies, represents at best a quick, crude device in which the element of judgment must be given far more weight than the com-pilation of the data collected mainly from secondary sources. Peculiarities of Watershed Flood Control As Affecting Evaluation Methods. Steps 1 to 3 pave the way to calculate and estimate flood zone map in the understudy area while step 4 determines the estimation of environmental effects of flood occurrence. Based on our studies, wide range of accuracy for estimating the environmental effects of flood occurrence was introduced by using of flood zone mapping techniques.

    With population growth and resource depletion, maximizing the efficiency of soybean (Glycine max [L.] Merr.) and rice (Oryza sativa L.) cropping systems is urgently needed. The goal of this study was to shed light on precise irrigation amounts and optimal agronomic practices via simulating rice–rice and soybean–rice crop rotations in the Agricultural Policy/Environmental eXtender (APEX) model. A series of upstream dams, flood mitigation basins, agricultural developments, significant storm events or other stressors within the SAR are major elements that need to be considered when determining an impact. The HMP Evaluation Program will operate on the basis of .

    To evaluate the impacts of different sediment concentrations on the flood dynamics, in the following subsections we analyze the flow hydrodynamics including (1) the position and velocity of the flood wave front, (2) the peak flow and arrival time, (3) the flooded areas, (4) the effect of the sediment concentration on the depth and flow velocity. Project Methods Large-scale physical models will be used to evaluate and develop key relationships related to earthen spillway and embankment erosion. Small-scale physical models will be used for erosion and water control structure studies. Data and relationships from physical models and from the literature will be used in the development of predictive tools of the embankment breach process.


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Methods for evaluating the effects of upstream flood control measures on watershed yield by Stanley P. Sauer Download PDF EPUB FB2

A complete hydrologic description and analysis of Homer Wash Watershed above the LLRW site was needed to define the proximity of the site to the estimated year flood plain and the Probable Maximum Flood (PMF) ; to classify the FEMA flood zone for the site; and to determine the short- and long-term flood protection requirements, if necessary.

Evaluation and awareness about the effect of constructed dams on watershed response to rainfall, is one of the main problems in watershed management and flood control studies.

Thus, for cost effective flood control solution it is necessary to evaluate the relative importance of the upstream catchments flow on the potential downstream damage site flow in a river system.

For adopting a control measure(s) at a single/multiple upstream catchments improvement in the potential downstream damage site flow rate can be Cited by: 2. Table 1 Flood Control Measures and Total Economic Output ($10^) Measures Total Output No Protection Total Output with protection Percentage Reduction Meteorological Flood Warning Flood Plain Zoning Upstream Watershed Management Structural Insurance Total 55 71 84 59 37 Author: K.C.

Tai. infrastructure, flood plain policy development, effective watershed land use planning, flood forecasting and warning systems, and response mechanisms. It is recognized that comprehensive assessments of risks from natural hazards such as flooding, mud/land slides, and Cited by: Watershed management involves determination of alternative land treatment measures for, which information about problems of land, soil, water and vegetation in the watershed is essential.

In order to have a practical solution to above problem it is necessary to go through four phases for a full scale watershed management. For a basin-wide evaluation, different cases, i.e.

natural flow conditions, single and multi-purpose reservoirs, reservoirs used for purposes other than flood control, and effects of negative storage upstream, are identified to analyze the effects of reservoirs upon the frequency of flood occurrence.

Flood risk management begins with goal and policy development, identification of the hazard, analysis that includes assessment of the hazard’s potential impact, and development of flood risk management strategies, representing the amalgamation of the various measures discussed in this chapter and Chapter 7 available to deal with the flood.

In this research selected two small sub basin from Darjazin Watershed of Semnan to evaluate effect of ruck check dams on peak and volume flood in small watersheds.

According to the European Environment Agency, “Annual flood losses can be expected to increase fivefold by and up to 17fold by ” The EEA released a report on the need for climate change adaptation in Europe. The fact is that preventative measures. A re-evaluation of this data by Thomas and Megahan () found a decreasing response to clearcutting as both the magnitude of the event and the time since harvest increases (Figure 3).

Figure 3. Analysis of Peak Flow Response for Watershed 1 (Clearcut) to. Flow in a Control Basin and Time Since Harvest (Figure.

provided by Thomas and Megahan). The USDA Watershed Program:: Flood Control and Much More The watershed program helps communities and rural areas reduce flooding and collect sediment in 47 states. Since o flood control dams have been built in more than 2, watersheds covering million acres nationwide.

In Oklahoma 2, dams have been built in watersheds. The methods, theories and models related to the evaluation of watershed management projects are also reviewed.

This chapter is divided into two sections. The first section focuses on the various technical evaluation approaches carried out in Iran and other countries.

identify impacts of upstream conservation practices on sediment yield at the watershed outlet during the short time span of a particular conservation project, targeted and widespread conservation efforts in the Fort Cobb Reservoir watershed have led, over 60 years, to a sizable and measurable reduction in watershed sediment yield.

Location and description of the study area. The study area is upstream Shiroro dam north-central Nigeria, West Africa, located between Latitude °N and °N and Longitude °E and °E with an estimated land area of 32, km elevation range of the watershed is between m and 1, m and with a mean elevation of m above sea level.

For the water sector, “flood resilience” refers to the ability of water and wastewater utilities to withstand a flooding event, minimize damage and rapidly recover from disruptions to service.1 Utilities can build resilience by implementing mitigation measures.

A mitigation measure can be an. The Upstream Conference, another of Cooke's ideas, was held three months after the passage of the Flood Control Act of to discuss implementation of one of the act's significant provisions.

11 The legislative journey of the Flood Control Act of began in response to the spring floods, but emerged as a national policy on flood control. Flood control is necessary in highly urbanized areas. Therefore, such locations require more stringent measures such as channelization, levees, dams, diversion channels and floodwalls to minimize flood damage.

Flood-hazard maps are designed to reduce u r b a n s p r a w l in flood-prone areas. As an important soil and water conservation engineering measure, check dams have been constructed on a large scale in the Loess Plateau of China.

However, their effects on runoff and sediment processes in the basin are still unclear. In this study, the hydrodynamic processes of the Wangmaogou watershed located in the Loess Plateau were simulated, and the influence of check dams on the flood.

with information that can guide flood control operations and emergency actions such as evacuations and road closures. James, J.D.,Using a digital com-puter to estimate the effects of urban development on flood peaks: Water Resources Research, v. 1, no. 2, p. Konrad, C.P., and Booth, D.B.,Hydrologic trends associated with.

types of flood control. levees, dams, channelization, floodplain zoning, catchment basins. levees. earthen structures built parallel to the channel that confines the stream to the channel.

the use of levees has been a controversial issue-especially since US Army Corps of Engineers, levee failures.As the total area drained expands, the effectiveness of upstream flood control measures lessens.

This is primarily because the channel system's storage becomes more important. As the catchment size and its storage capacity grow, it determines the shape of the flood hydrograph.

In this context, mathematical models can evaluate the efficacy of flood control measures sets. In this paper, a mathematical model, based on the flow cell concept, was applied to study the use of a wide range of different flood control measures in the Joana River watershed, located at the northern region of Rio de Janeiro City, Brazil.