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Article

Hydrological Responses of Watershed to Historical and Future Land Use Land Cover Change Dynamics of Nashe Watershed, Ethiopia

1
Faculty of Agriculture and Environmental Sciences, University of Rostock, Satower Str. 48, 18051 Rostock, Germany
2
Faculty of Civil and Environmental Engineering, Jimma Institute of Technology, Jimma University, Jimma 378, Ethiopia
*
Author to whom correspondence should be addressed.
Academic Editors: Kazimierz Banasik, Rabin Bhattarai and Johanne Deelstra
Water 2021, 13(17), 2372; https://doi.org/10.3390/w13172372
Received: 2 August 2021 / Revised: 23 August 2021 / Accepted: 27 August 2021 / Published: 29 August 2021
Land use land cover (LULC) change is the crucial driving force that affects the hydrological processes of a watershed. The changes of LULC have an important influence and are the main factor for monitoring the water balances. The assessment of LULC change is indispensable for sustainable development of land and water resources. Understanding the watershed responses to environmental changes and impacts of LULC classes on hydrological components is vigorous for planning water resources, land resource utilization, and hydrological balance sustaining. In this study, LULC effects on hydrological parameters of the Nashe watershed, Blue Nile River Basin are investigated. For this, historical and future LULC change scenarios in the Nashe watershed are implemented into a calibrated Soil and Water Assessment Tool (SWAT) model. Five LULC scenarios have been developed that represent baseline, current, and future periods corresponding to the map of 1990, 2005, 2019, 2035, and 2050. The predicted increase of agricultural and urban land by decreasing mainly forest land will lead till 2035 to an increase of 2.33% in surface runoff and a decline in ground water flow, lateral flow, and evapotranspiration. Between 2035 and 2050, a gradual increase of grass land and range land could mitigate the undesired tendency. The applied combination of LULC prognosis with process-based hydrologic modeling provide valuable data about the current and future understanding of variation in hydrological parameters and assist concerned bodies to improve land and water management in formulating approaches to minimize the conceivable increment of surface runoff. View Full-Text
Keywords: hydrologic response; LULC change; surface runoff; SWAT model; water balance hydrologic response; LULC change; surface runoff; SWAT model; water balance
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MDPI and ACS Style

Leta, M.K.; Demissie, T.A.; Tränckner, J. Hydrological Responses of Watershed to Historical and Future Land Use Land Cover Change Dynamics of Nashe Watershed, Ethiopia. Water 2021, 13, 2372. https://doi.org/10.3390/w13172372

AMA Style

Leta MK, Demissie TA, Tränckner J. Hydrological Responses of Watershed to Historical and Future Land Use Land Cover Change Dynamics of Nashe Watershed, Ethiopia. Water. 2021; 13(17):2372. https://doi.org/10.3390/w13172372

Chicago/Turabian Style

Leta, Megersa K., Tamene A. Demissie, and Jens Tränckner. 2021. "Hydrological Responses of Watershed to Historical and Future Land Use Land Cover Change Dynamics of Nashe Watershed, Ethiopia" Water 13, no. 17: 2372. https://doi.org/10.3390/w13172372

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