A GIS-based approach for identifying potential sites for harvesting rainwater in the Western Desert of Iraq

Adham, Ammar; Sayl, Khamis Naba; Abed, Rasha; Abdeladhim, Mohamed Arbi; Wesseling, J.G.; Riksen, Michel; Fleskens, Luuk; Karim, Usama F.A.; Ritsema, C.J.

doi:10.1016/j.iswcr.2018.07.003

Cited by 118 publications

(87 citation statements)

References 18 publications

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“…This parameter is determined by the terrain ratio, which denotes the ratio of the height difference between two points divided by the horizontal straight line distance between them [18,31]. The slope parameter has an effect on the runoff, sedimentation ratio, recharge, surface water velocity, and the number of materials essential to creating dams [25]. The DEM with a 30 m resolution was used to generate the slope map, and the area was then divided into four classes ( Figure 2c).…”

Section: Slope Mapmentioning

confidence: 99%

“…The profiles of the dams are based on the method described throughout this paper. Nevertheless, some of the proposed dam heights may not be feasible in practice because of some other factors such as the movement of material, or the dam's width [25]. In addition to the five criteria used in this study, there are other criteria not considered in this study such as geology and socio-economic aspects [18].…”

Section: Sites Proposed For Small and Medium Damsmentioning

confidence: 99%

“…This crisis has multiple reasons, such as the rising water demand, the effects of climate change, and poor water management. Currently, Iraq anticipates more future problems, because both main rivers are forecasted to dry up by 2040 [25]. Furthermore, the dam construction on these rivers by the Turkish government caused a decline of the flow rate of water into the rivers inside Iraq.…”

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confidence: 99%

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Suitable Site Selection for Rainwater Harvesting and Storage Case Study Using Dohuk Governorate

Ibrahim

Rasul

Hamid

et al. 2019

Water

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The Middle East is an inherently dry zone. It has experienced severe drought for the last seven years, and climate change has made the situation worse. The Dohuk governorate has been suffering from an appalling water crisis. One possible way of relieving this water crisis is by properly harvesting the rainwater. Rainwater harvesting is a widely used method of storing rainwater in the countries presenting with drought characteristics. Several pieces of research have derived and developed different criteria and techniques to select suitable sites for harvesting rainwater. The main aim of this research was to identify and select suitable sites for the potential erection of dams, as well as to derive a model builder in ArcMap 10.4.1. The model combined several parameters, such as slope, runoff potential, land cover/use, stream order, soil quality, and hydrology to determine the suitability of the site for harvesting rainwater. To compute the land use/cover categories, the study depended on Landsat image data from 2018. Supervised classification was applied using the ENVI 5 software, while the slope mapping and drainage order were extracted using a digital elevation model. Inverse distance weighting (IDW) was used for the spatial interpolation of the rain data. The results demonstrated that suitable areas for water harvesting, are located in the middle and northern part of the research area, and in intensively cultivated zones. The main soil texture in these suitable sites was loam, while the rainfall rate amounted to 750 to 900 mm. This research shows that 15% and 13% of the area studied can be categorized as having excellent and good suitability for water harvesting, respectively. Furthermore, 21% and 27% of the area studied were of moderate and poor suitability, while the remaining 24% were not suitable at all.

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Section: Slope Mapmentioning

confidence: 99%

Section: Sites Proposed For Small and Medium Damsmentioning

confidence: 99%

mentioning

confidence: 99%

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Suitable Site Selection for Rainwater Harvesting and Storage Case Study Using Dohuk Governorate

Ibrahim

Rasul

Hamid

et al. 2019

Water

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“…Low stream orders have high permeability as compared to the high stream orders. The low stream orders also have high infiltration rates as compared to the high stream orders [24]. Stream orders are essential in the planning of conservation measures in terms of storage and capacity [25].…”

Section: Stream Ordermentioning

confidence: 99%

Application of GIS on the Identification of Suitable Areas for Water Conservation Technologies in the Upper Tana Watershed of the Central Highlands of Kenya

Nganga

Nge’tich

Adamtey

et al. 2019

IJPSS

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Low adoption of soil water conservation technologies has been one of the main causes for decreased agricultural productivity in the Upper Tana Catchment of Kenya. Proper identification of locations to scale-out the individual technologies necessary to improve water conservation is a key determinant for the rate of adoption. Our main aim was to identify the suitable sites for water conservation technologies using the suitability model created by the model builder function in ArcGIS 10.5®. The model combined the thematic layers of soil texture, slope, rainfall, and stream order, which were acquired from assorted online sources. The factors were converted to raster format and reclassified based on their suitability and were assigned fixed scores and weights by use of multi influencing factor (MIF) method. The suitability evaluation was carried out by use of weighted overlay to produce suitability classes for each of the water conservation technique. The delineated suitability maps indicated that check dams are highly suitable in 50% of the study area. Mulching, on the other hand, is highly suitable for 49% of the study area. Zai pits are highly suitable in 43% of the study area. Majority of the study area is moderately suitable for the use of terraces, covering 41% of the study area. The highly suitable areas for the Checkdams are Machakos, Kitui, Tharaka-Nithi and lower parts of Embu. The highly suitable areas for mulching are Kirinyaga, Murang’a, Nyandarua and Nyeri. The highly suitable areas for the Zai pits are Kitui, lower parts of Tharaka-Nithi and the highly suitable areas for the terraces are Murang’a, Nyeri and Kirinyaga. Furthermore, the results demonstrated the effectiveness of GIS in delineating the suitable areas for the use of water conservation technologies.

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“…The recharge of groundwater occurs when rainfall or snowmelt water infiltrates into the aquifer [6,7]. The occurrence and movement of groundwater are determined by physical edifices, topographic condition, lithological difference, gradient, soil, drainage form and climate [8][9][10]. Hence, it is necessary to consider all these factors, to understand groundwater recharge potential of an area.…”

Section: Introductionmentioning

confidence: 99%

Assessment of recharge potential zones for groundwater development and management using geospatial and MCDA technologies in semiarid region of Western India

2020

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Groundwater recharge potential (GWRP) plays a vital role as it directly or indirectly supports domestic, agriculture and industrial activities by infiltrating the rainwater. The present paper touches upon the methodology delineating groundwater recharge potential zones by applying geospatial and multi-criteria decision analysis (MCDA) to the derived thematic layers based on significant influence of occurrence of groundwater in semiarid watershed of Western India. The satellite imageries and other ancillary data were utilized to generate various thematic layers, viz. slope, geology, drainage density, surface run off, geomorphology, land use/land cover soil and vadose zone. The outcome of study shows that about 24.69% is having high GWRP and 24.17% of the area is moderate for recharge of groundwater, while the low and poor groundwater recharges potential area is about 44.34% and 6.80% of total area, respectively. The validation of the study was done by overlaying point data groundwater well yield on the output final map; it shows good correlation with result. Also, the surplus water availability was calculated based on vadose calculation according to CGWB method; it shows 17.12 MCM vadose region having artificial recharge of 22.77 MCM. The total recharge is about 117.41 MCM, about 30% of the total runoff, i.e. 35.22 MCM is considered as surplus monsoon runoff available for artificial recharge. The result shows that the use of remote sensing, geospatial and MCDA technologies are promising and efficiently recognize the suitable regions for groundwater recharge over other conventional techniques.

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A GIS-based approach for identifying potential sites for harvesting rainwater in the Western Desert of Iraq

Cited by 118 publications

References 18 publications

Suitable Site Selection for Rainwater Harvesting and Storage Case Study Using Dohuk Governorate

Suitable Site Selection for Rainwater Harvesting and Storage Case Study Using Dohuk Governorate

Application of GIS on the Identification of Suitable Areas for Water Conservation Technologies in the Upper Tana Watershed of the Central Highlands of Kenya

Assessment of recharge potential zones for groundwater development and management using geospatial and MCDA technologies in semiarid region of Western India

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