Water is one of the vital requirements for life, economic and social development. Water scarcity affects the environmental, economic and developmental activities of an area. The rainfall in the sub-basins is often very local, erratic, unreliable and unevenly distributed over the whole area of Dawa sub-basin. The pastoral and agro-pastoral communities are usually vulnerable to drought. The present study was an attempt to describe the state of Rain Water Harvesting (RWH) techniques and the contribution of Remote Sensing and GIS technologies for this RWH in the Dawa Sub basin. The study was conducted using physiographic factors of Dawa sub basin. Landsat image with spatial resolution 30m were used to identify LU/LC types. The thematic layers used were land use/land cover, slope, soil, drainage and runoff from derived from Landsat and collateral data. The image processing software Erdas IMAGINE and GIS software were used to process the image and to establish a geo information system by comprising digital data set of satellite image, topography, soil, metrology, drainage density and metrology. This data was used to study RWH was used to study the watershed network in the Dawa sub basin and to identify areas generally suitable for water harvesting in order to determine water harvesting techniques for those sites. Analytical Hierarchy Process (AHP) was used to calculate weighting and the analysis result indicates that the sub-basin supports promising opportunity for the establishment and development of RWH structures. From the total area of 17,402.7 km2, The GIS evaluation predicts that 3,092.342 km2 (22.853%) is extremely suitable, 4,524.221 km2 (33.435%) is very suitable, 2,968.685 km2 (21.939%) is suitable, 1,988.986 km2 (14.7%) is less Suitable and 957.18 km2 (7.07%) is not suitable for RWH.
| Published in | American Journal of Modern Energy (Volume 6, Issue 4) |
| DOI | 10.11648/j.ajme.20200604.12 |
| Page(s) | 84-94 |
| Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
| Copyright |
Copyright © The Author(s), 2020. Published by Science Publishing Group |
GIS, Rainwater Harvesting (RWH), Remote Sensing (RS), Dawa Sub Basin
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APA Style
Getachew Haile Wondimu, Dinku Shiferaw Jote. (2020). Selection of Rainwater Harvesting Sites by Using Remote Sensing and GIS Techniques: A Case Study of Dawa Sub Basin Southern Ethiopia. American Journal of Modern Energy, 6(4), 84-94. https://doi.org/10.11648/j.ajme.20200604.12
ACS Style
Getachew Haile Wondimu; Dinku Shiferaw Jote. Selection of Rainwater Harvesting Sites by Using Remote Sensing and GIS Techniques: A Case Study of Dawa Sub Basin Southern Ethiopia. Am. J. Mod. Energy 2020, 6(4), 84-94. doi: 10.11648/j.ajme.20200604.12
AMA Style
Getachew Haile Wondimu, Dinku Shiferaw Jote. Selection of Rainwater Harvesting Sites by Using Remote Sensing and GIS Techniques: A Case Study of Dawa Sub Basin Southern Ethiopia. Am J Mod Energy. 2020;6(4):84-94. doi: 10.11648/j.ajme.20200604.12
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Download@article{10.11648/j.ajme.20200604.12,
author = {Getachew Haile Wondimu and Dinku Shiferaw Jote},
title = {Selection of Rainwater Harvesting Sites by Using Remote Sensing and GIS Techniques: A Case Study of Dawa Sub Basin Southern Ethiopia},
journal = {American Journal of Modern Energy},
volume = {6},
number = {4},
pages = {84-94},
doi = {10.11648/j.ajme.20200604.12},
url = {https://doi.org/10.11648/j.ajme.20200604.12},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajme.20200604.12},
abstract = {Water is one of the vital requirements for life, economic and social development. Water scarcity affects the environmental, economic and developmental activities of an area. The rainfall in the sub-basins is often very local, erratic, unreliable and unevenly distributed over the whole area of Dawa sub-basin. The pastoral and agro-pastoral communities are usually vulnerable to drought. The present study was an attempt to describe the state of Rain Water Harvesting (RWH) techniques and the contribution of Remote Sensing and GIS technologies for this RWH in the Dawa Sub basin. The study was conducted using physiographic factors of Dawa sub basin. Landsat image with spatial resolution 30m were used to identify LU/LC types. The thematic layers used were land use/land cover, slope, soil, drainage and runoff from derived from Landsat and collateral data. The image processing software Erdas IMAGINE and GIS software were used to process the image and to establish a geo information system by comprising digital data set of satellite image, topography, soil, metrology, drainage density and metrology. This data was used to study RWH was used to study the watershed network in the Dawa sub basin and to identify areas generally suitable for water harvesting in order to determine water harvesting techniques for those sites. Analytical Hierarchy Process (AHP) was used to calculate weighting and the analysis result indicates that the sub-basin supports promising opportunity for the establishment and development of RWH structures. From the total area of 17,402.7 km2, The GIS evaluation predicts that 3,092.342 km2 (22.853%) is extremely suitable, 4,524.221 km2 (33.435%) is very suitable, 2,968.685 km2 (21.939%) is suitable, 1,988.986 km2 (14.7%) is less Suitable and 957.18 km2 (7.07%) is not suitable for RWH.},
year = {2020}
}
TY - JOUR T1 - Selection of Rainwater Harvesting Sites by Using Remote Sensing and GIS Techniques: A Case Study of Dawa Sub Basin Southern Ethiopia AU - Getachew Haile Wondimu AU - Dinku Shiferaw Jote Y1 - 2020/11/23 PY - 2020 N1 - https://doi.org/10.11648/j.ajme.20200604.12 DO - 10.11648/j.ajme.20200604.12 T2 - American Journal of Modern Energy JF - American Journal of Modern Energy JO - American Journal of Modern Energy SP - 84 EP - 94 PB - Science Publishing Group SN - 2575-3797 UR - https://doi.org/10.11648/j.ajme.20200604.12 AB - Water is one of the vital requirements for life, economic and social development. Water scarcity affects the environmental, economic and developmental activities of an area. The rainfall in the sub-basins is often very local, erratic, unreliable and unevenly distributed over the whole area of Dawa sub-basin. The pastoral and agro-pastoral communities are usually vulnerable to drought. The present study was an attempt to describe the state of Rain Water Harvesting (RWH) techniques and the contribution of Remote Sensing and GIS technologies for this RWH in the Dawa Sub basin. The study was conducted using physiographic factors of Dawa sub basin. Landsat image with spatial resolution 30m were used to identify LU/LC types. The thematic layers used were land use/land cover, slope, soil, drainage and runoff from derived from Landsat and collateral data. The image processing software Erdas IMAGINE and GIS software were used to process the image and to establish a geo information system by comprising digital data set of satellite image, topography, soil, metrology, drainage density and metrology. This data was used to study RWH was used to study the watershed network in the Dawa sub basin and to identify areas generally suitable for water harvesting in order to determine water harvesting techniques for those sites. Analytical Hierarchy Process (AHP) was used to calculate weighting and the analysis result indicates that the sub-basin supports promising opportunity for the establishment and development of RWH structures. From the total area of 17,402.7 km2, The GIS evaluation predicts that 3,092.342 km2 (22.853%) is extremely suitable, 4,524.221 km2 (33.435%) is very suitable, 2,968.685 km2 (21.939%) is suitable, 1,988.986 km2 (14.7%) is less Suitable and 957.18 km2 (7.07%) is not suitable for RWH. VL - 6 IS - 4 ER -
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