Templates and other resources are a collection of documents used to support the implementation of flood risk projects and may be referenced in standards, guidance, and technical references. On the other hand, streams in hilly areas may give no warning that a flash flood is about to strike. Mandych department of physical geography and land use, institute of geography, moscow, russia keywords. For the protocol issue, see flood control communications. The hydrologic analysis of problems such as flood forecasting, flood protection, reservoir design and spillway design invariably include flood routing. A powerpoint to help year 8 start their assessment. Fargo flood control a free powerpoint ppt presentation displayed as a flash slide show on id. In areas where vegetation has been removed, replanting. Em 111022705, structural design of closure structures for local flood protection projects, mar. Ppt on flood free download as powerpoint presentation.
Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from. Coastal areas can also be flooded, and this often comes from storm surges. Introduction causes effect flood prone areas flood management flood management scope conclusion contents. Ppt fargo flood control powerpoint presentation free. Floods causes of floods and flood damage heavy rain spring snowmelt dam and levee failure low absorption or no soil. A feature shared between of all these antiflood systems. Reservoirs dams reservoirs are one of the most direct methods of flood control through storing surface runoff. Professor, civil an d environmental engineering, v. Surface irrigation, with which this chapter deals, includes the general methods of flood and furrow and cor rugation irrigation.
Remove this presentation flag as inappropriate i dont like this i like this remember as a favorite. The types of documents found here include templates, checklists, forms, database schemas, metadata profiles, product prototypes, and etc. Flood routing flood routing is the technique of determining the flood hydrograph at a section of a river by utilizing the data of flood flow at one or more upstream sections. Its effectiveness depends on the level of preparedness and correct response.
Osha requires that a competent person be responsible for carrying out several requirements of the underground construction regulations. Requirements microsoft powerpoint 2007, powerpoint 2010 or powerpoint 20. Fargo flood control powerpoint presentation free to download id. The resilience of flood control structures can be increased in many ways. Prevention rather than remediation according to the environment agency.
For 20 year flood designed by 8 63 event, floo d discharge is equal to t he inflow. A weir was built on the humber river ontario to prevent a recurrence of a catastrophic flood. The owners of one london property found this out the hard way after their property in twickenham flooded in february 2015 after the river thames had burst its banks. Ppt water conservation powerpoint presentation free to. Around the world they are quite popular and very effective as a form of large scale flood control present in rivers both across europe and in the united states, for example the mississippi river as while as the rhine which stretches across seven. Not only does it present information, but it invites participation.
Pdf flood control and safety evaluation of banqiao reservoir. A flood is an overflow of an expanse of water that submerges land. In flood irrigation, the water is per mitted to cover the surface of the land in a continuous sheet. The standard provides some flexibility in methods to control workplace hazards in underground construction as long as appropriate precautions are taken to protect workers in a variety of situations. Presentation at flood protection and ecosystem restoration flood. Flood mitigation by structural method using optimization. Flood control methods are used to reduce or prevent the detrimental effects of flood waters. Flood risk is defined as the combination of a hazardthe probability of a flood event.
A flood risk management strategy identifies and implements measures that reduce the. The background, objectives, main challenges and main contents of. Flood risk management is an approach to dealing with flood risk based on the notion that risks cannot be taken away entirely but only partially and always at the expense of other societal goals. Soil and water conservation engineering pdf free download. Flood control management system for reservoirs request pdf. Climate change adaptation describes measures taken in response to actual or projected climate change in order. I find most write up on flood control to be hypothetical with lots of academic inclinations without precisely pointing out flood control mechanisms. Flood control methods are vital for homes that are at danger of flooding.
Some floods occur seasonally when winter or spring rains, coupled. For flood control, it is ideal to maintain the reservoir at the lowest level possible for storage. Thanks to its modular design, its different heights and its flexibility, it can fit all kinds of terrain. For example, flood control structures should be built to higher levels and with more resilient materials and designed to withstand repeated and more extreme floods. Management of floods following are some control methods to prevent flood. The invisible flood control wall is a removable flood wall system that is erected prior to flood events. Ppt modelling floodplain river fisheries powerpoint presentation free to download id.
The consequence of flooding is assessed by transforming the water surface elevationexceedance probability function figure 3. The nfip was established by congress with passage of the national flood insurance act in 1968, to help reduce future flood damages through nfip community floodplain regulation that would control development in flood hazard areas, provide insurance for a premium to property owners, and reduce federal expenditures for disaster assistance. Maclennan flood barriers can be installed quickly and are the answer to cost effective, highly stable removable flood protection. Ppt modelling floodplain river fisheries powerpoint. The adobe flash plugin is needed to view this content. View flood control ppts online, safely and virus free. In addition, intense rainfall over a relatively small area may lead to a flood. Flood insurance claims are paid even if a disaster is not declared by the president. Introduction flood have been an integral part of human experience.
Ppt floods powerpoint presentation free to view id. Flood prevention and control people rely on many different measures to control and prevent floods. The watergate flood dam is a new and comprehensive flood protection solution. Floods cert basic training hazards when floods occur any time a body of water rises to cover what is usually dry land one of most common hazards 75% of federally declared disasters may be local or widespread may develop slowly or fast fl cert basic training unit 1. From any source or a mudflow in a considerable area of land flood is. Flood relief methods are used to reduce the effects of flood waters or high water levels. Flood defense flood protection watergate flood barriers. Best practices on flood prevention, protection and mitigation 3 flood forecasting and warning is a prerequisite for successful mitigation of flood damage.
A flood is defined as over flow of inland and tidal waters causing rapid and usual accumulation or run off of surface water. One way that people can lessen the impact of flooding is to restore natural flood protections that human activity has altered. Flood management powerpoint presentation free to download id. He uses this for inhouse training sessions on flood compliance. The paper is a summary of the outcome of national programming about the flood control management system for reservoirs in china. Alleviation flood control or flood mitigation the various methods of flood control or. Conditions on a river that drains a large watershed may warn of a pending flood hours or even days before actual flooding. Wrong design of a dam, or a canal causes of flood the most common type of floods is caused when the river owerflows its banks and water spreads on the surrounding land. Flood mitigation by structural method using optimization technique karanjkar rajendra d.
The aim of flood risk management is thus to reduce the consequences of floods, in ways that balance this aim against other considerations. Halidullin o, salnikov vg, duskaev kk 2017 flood prevention method. Winner of the standing ovation award for best powerpoint templates from presentations magazine. Flood a natural disasterwhich cannot be prevented only controlled. In other words, we can say that flood control is the prevention or reduction of the flood damage. The appendices include compiled equations for determining runoff, flow in pipes, conduits and channels, drain design, conversion constants, generally useful formulae and design of filters. I come from flood plain area, budalangi, western kenya, east africa. Theoreti cally the water should be standing at every point in the fields just long. Therefore the responsible authorities should provide timely and reliable flood warning, flood. A free powerpoint ppt presentation displayed as a flash slide show on id. Flood control refers to all methods used to reduce or prevent the worst effects of flood waters.
A storm surge occurs when a hurricane pushes a big pile of water along the ocean as it moves. Thank you there are only 62 trillion litres 320 trillion gallons of water on planet earth. Flood management a free powerpoint ppt presentation displayed as a flash slide show on id. Generally, the larger the river, the deeper the flood and the longer it will last. Read levees and the national flood insurance program. Flood control definition of flood control by the free. A quantitative assessment of flood hazard was conducted by using gisbased flood hazard parameters which were converted from source output data, as shown in table 1. Extreme discharge extreme discharge is an indicator of flood hazard that indicates how potentially distractive the. In the last appendix, a table listing the currently used computer models and programs for soil and water conservation engineering is given. Between 20 and 25 percent of all claims paid by the nfip are outside of special flood hazard areas. Ppt flood management powerpoint presentation free to.
69 362 87 276 654 721 1314 978 378 1048 1082 1025 1291 797 234 919 1025 1384 601 788 1391 1294 1417 688 1161 154 1097 202 572 847 1439 1170 1006 356 683 661 142 1328