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Mersin Üniversitesi (2022)

Using modern methods to determine the suitable area for rainharvesting

ÖZTÜRK İLDENİZ LEYLA

Titre : Using modern methods to determine the suitable area for rainharvesting

Yağmur hasadı için uygun alan tespitindemodern yöntemlerin kullanılması

Auteur : ÖZTÜRK İLDENİZ LEYLA

Université de soutenance : Mersin Üniversitesi

Grade : Master Thesis 2022

Résumé
Today, the most important and main source of life for living things on earth is water. Problems such as the rapid increase in the world population, global warming, drought, increase in productivity in agricultural areas have caused the need for water to increase day by day. In order our fresh water resources and to pass clean, healthy and sufficient water down to the future generations, it is of great importance to ensure the efficient use of our existing water resources as well as the recycling of the water we use. With the development of technology, various methods of obtaining water have emerged. The most commonly used method is rain water harvesting (RWH). The aim of the rain water harvesting system (RWHS) is to create a reliable, cost-effective and practical water harvesting system in areas where there is no water and desired requirements cannot be met. Rain water harvesting ; allows the feeding of groundwater, increases our living standards, increases agricultural production, benefits the living, prevents climatic changes, floods, water pollution, and allows us to obtain drinking water. According to the rain water collection system, the water flowing in the direction of the slope is collected and can be stored to be used when necessary. The advantages of the method are that it is simple and economical, and water transmission losses are low. In the water harvesting method, water collection areas are called roofs, courtyards, streets and squares, small soil surfaces, sloping areas and large basins that feed seasonal flows. The water storage medium is divided into under ground storage and soil surface storage. While soil, cistern and sediment are used for under ground storage, tanks, pools and reservoirs are used as storage media on the soil surface. The rain water harvesting system is used in areas of low and limited rainfall. Rain water harvesting is utilized in various arid regions of the world. First of all, its use in buildings, which are our living spaces, is quite common. Within the residence ; rain water can be used for drinking water and other domestic needs. In addition to these, non-residential uses include ; irrigation of landscaping areas, agricultural areas, gardens, golf courses, filling pools, fire fighting, car washing and areas such as pools, fountains, waterfalls in the city, parks, constructions, workplaces, with the help of a simple water tank. The aim of this study is to show the usability of the rain water harvesting system in different areas other than the residences and to determine the suitable areas for rain water harvesting for the agricultural lands of Mersin province. In the study, specific criteria were chosen to evaluate rain water harvesting areas. These criteria are ; rainfall, slope, land class, soil type, soil depth, land use, and drainage proximity. In the study, the Analytical Hierarchy Process (AHP) method was used to determine the appropriate areas and in addition, the c confusion matrix was applied.

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Page publiée le 3 janvier 2023