Mohammad Rasoul Rajabi; Ali Nasiri Khiavi; Mahin Kalehhouei; Sonia Mehri; Azam Mumzaei; Khadijeh Haji; Abdulvahed Khaledi Darvishan
Abstract
The present research aimed at presenting a new SWOT strategy for integrated watershed management of Asiabrood in Mazandaran Province. At first, the SWOT matrix and the tables identifying the strategic indicators of internal and external factors were formed and then internal and external evaluation matrices ...
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The present research aimed at presenting a new SWOT strategy for integrated watershed management of Asiabrood in Mazandaran Province. At first, the SWOT matrix and the tables identifying the strategic indicators of internal and external factors were formed and then internal and external evaluation matrices were analyzed. A new strategy used in the discussion of the weighting of SWOT strategies was based on the fact that the final value of each strategy was multiplied by the number of effective strengths and opportunities and the final results were analyzed based on these priorities. Based on analysis of strengths and weaknesses, nine strengths and eight weaknesses were identified. The suitable water quantity and quality with a weight of 0.444, low air temperature with a weight of 0.395, mineral water utilization with a weight of 0.288 and economic poverty with a weight of 0.493, respectively, were the most important strengths, weaknesses, opportunities and threats. According to the internal-external factors evaluation matrix in the SWOT model, the strategy of increasing the sense of satisfaction of residents, based on the conventional method and the new strategy, gave the highest value. With a careful look, it can be concluded that strengthening the sense of satisfaction between residents happens when People problems in different sectors of livelihoods, including economic, social and cultural, have been considered more and, by presenting correct programs, have increased satisfaction and reduced migration to urban areas. In general, it can be concluded that due to the problems and solutions presented in this study, proper and applied planning should be used to compensate for the weaknesses and to strengthen the strengths as much as possible in the development of Asiabrood watershed.
Raoof Mostafazadeh; Sonia Mehri
Abstract
Rainfall-runoff relationship is one of the most sophisticated hydrological processes which helps to understand the watershed hydrologic response assessment. The rainfall-runoff relationships of Ardabil Province watersheds were analysed to investigate the spatial variability of rainfall-runoff responses ...
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Rainfall-runoff relationship is one of the most sophisticated hydrological processes which helps to understand the watershed hydrologic response assessment. The rainfall-runoff relationships of Ardabil Province watersheds were analysed to investigate the spatial variability of rainfall-runoff responses using precipitation-runoff polygons technique at a monthly temporal time scale. Therefore, variations of recorded precipitation and runoff data were analysed over a period of 22 years from 1990-2011 in 20 watersheds of the Ardabi Province. According to the results, the maximum runoff coefficient is corresponding to Doostbeighlou Station by the value of 33%. The analysis of precipitation-runoff polygons reveals that the Arbabkandi, Polealmas, Samian and and Doostbeighlou watersheds had the higher amount of runoff coefficient. As well as, the hydrologic response of Shamsabad, Kozetopraghi and Ahmadkandi are similar and homogeneous in term of runoff generation. Based on the relationship between monthly runoff coefficient and the area, the highest correlation coefficient was observed in the March (0.92), and the lowest was assigned to August (0.0089). The larger the area of the polygon and the highest coefficient of variation is corresponding to Doostbeighlou and Samian watersheds. The distribution of the runoff coefficient over the months showed that the Hir and Ahmadkandi watersheds had the highest runoff coefficient in June and August which is related to the delay in runoff production. Based on the results, precipitation-runoff polygon technique is a suitable way to compare the hydrological response and changes in rainfall-runoff relationship of watersheds. It should be noted that the comlexity of rainfall-runoff process causes an overlapping in polygon portions and irregular shapes which caused a difficulty in interpretating of watershed response and needs much more furture researches.
