Swat Research Papers

Swat Research Papers-42
It aims to simulate the stream flow, establish the water balance and estimate the monthly volume inflow to Simly Dam in order to help the managers to plan and handle this important reservoir.The Arc SWAT interface implemented in the Arc GIS software was used to delineate the study area and its sub-components, combine the data layers and edit the model database.Indeed, Simly Dam has a crucial role because it is the source of freshwater of Islamabad, the Federal Capital of Pakistan. Simly Dam is located 13.0 km upstream of Chirah on Soan River. Demissie, Hydrologic modeling of the iroquois river watershed using HSPF and SWAT, J.

It aims to simulate the stream flow, establish the water balance and estimate the monthly volume inflow to Simly Dam in order to help the managers to plan and handle this important reservoir.

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The model was calibrated from 1990 to 2001 and evaluated from 2002 to 2011.

Based on four recommended statistical coefficients, the evaluation indicates a good performance for both and validation periods and acceptable agreement between measured and simulated values of both annual and monthly scale discharge.

SWAT model was applied in large scale to evaluate the hydrological processes in a mountain environment of Upper Indus River Basin by Khan et al. The average yearly precipitation is about 1233 mm, most of which occurs during July-September and February-April.

The highest and lowest mean minimum values of air temperature were observed to be 15.52 °C (2000) and 4.62 °C (1993) at Islamabad respectively, from 1990 to 2001, whereas, the highest and lowest mean maximum values of temperatures were remained 30.3 °C (2001) and 17.3 °C (1996) at the same period.

Many zones face scarcity of freshwater or subject to pollution.

Thus, the availability and the sustainable use of the water resources become the core of the local and national strategies and E-mail address: [email protected] review under responsibility of Faculty of Engineering, Alexandria University. To deal with water management issues, one must analyze and quantify the different elements of hydrologic processes taking place within the area of interest. Arnold, The soil and water assessment tool: historical development, applications and future research directions, Trans.

The balance between population and available water already makes Pakistan one of the most water stressed countries of the world.

The problem of increasing water scarcity in Pakistan is multifaceted.

The objective of modeling Simly Dam watershed in Soan River basin, is to set up and calibrate the adapted model in order to simulate the functioning of the entire area and therefore predict its response to phenomena and risks it confronts such as erosion, inundations, drought, and pollution. The methodologies used for this study include a description of the study area, hydrological model and the special dataset which used in the simulation are given in the following sections with details. Description of the study area The Soan River is an important stream of the Pothohar region of Pakistan. 41 (2) (2004) 343-360, j.1752-1688.2005.tb03740.x.

Specifically, the purpose is to estimate the volume inflow to the Simly Dam located at the outlet of the watershed in order to develop an efficient decision framework to facilitate, plan and assess the management of this important reservoir. Swat model was used successfully to estimate the water balance components in South eastern Ethiopia by Shawul et al. It originates from Murree hills and passes through the steep slopes (about 3.78%) and enters the plains near Chirah.


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