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:: Volume 14, Issue 48 (3-2020) ::
jwmseir 2020, 14(48): 100-110 Back to browse issues page
Investigation of the Gravel Filters and Plastic Mulch Effects in Improving Soil Infiltration and Moisture Storage in Rainwater Harvesting Systems in Steep Lands
Mansor Mehdizadeh Youshanloe, Sina Besharat *, Javad Behmanesh
Urmia University
Abstract:   (183 Views)
       In this study, the possibility of using a combination of gravel filters with plastic cover to increase water infiltration and soil moisture storage in rainwater catchment systems was investigated. For this purpose, five treatments (with three replications) including control treatment, vegetation removal with filter, vegetation removal without filter, semi-insulated system with filter, and semi-insulated system without filter were considered, and Apricot was planted in all treatments. Then, soil moisture storage was recorded by the soil moisture data recorder at two depths of 20 and 60 cm in each treatment. The data were analyzed using a completely randomized block design. The results showed that there was a significant difference between treatments. During the growing season, the highest soil moisture storage was related to the dry months of the year (June, July, August and September) and semi-insulated treatment with gravel filter. In other words, the moisture content of semi-insulated system with gravel filter was significantly higher than other treatments. The results of this study indicated that rainwater harvesting through semi-insulated surfaces and infiltrating it by gravel filter is a good way to increase soil moisture storage.
 
Keywords: Rainwater harvesting, Gravel filter, Plastic cover, Piedmont plain
Full-Text [PDF 822 kb]   (40 Downloads)    
Type of Study: Research | Subject: Special
Received: 2020/02/2 | Accepted: 2020/04/20 | Published: 2020/09/27
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Mehdizadeh Youshanloe M, Besharat S, Behmanesh J. Investigation of the Gravel Filters and Plastic Mulch Effects in Improving Soil Infiltration and Moisture Storage in Rainwater Harvesting Systems in Steep Lands. jwmseir. 2020; 14 (48) :100-110
URL: http://jwmsei.ir/article-1-946-en.html


Volume 14, Issue 48 (3-2020) Back to browse issues page
مجله علوم ومهندسی آبخیزداری ایران Iranian Journal of Watershed Management Science and Engineering
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