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Lookup NU author(s): Dr David Walker,
Dr Geoffrey ParkinORCiD
This is the authors' accepted manuscript of an article that has been published in its final definitive form by Taylor and Francis , 2020.
For re-use rights please refer to the publisher's terms and conditions.
Understanding recharge processes is fundamental to improve sustainable groundwater resource management. Shallow groundwater (SGW) is being developed for multiple purposes in Ethiopia without consideration of monitoring. We established a citizen science-based hydro-meteorological monitoring network, with a focus on SGW recharge estimation, in Eshito micro-watershed, Ethiopia. Citizen scientists collected rainfall, groundwater-level and stream water-level data. We characterized the shallow aquifer using pumping tests. The data were used to estimate SGW recharge using three methods: chloride mass balance, water-level fluctuation (WLF) and baseflow separation. Approximately 20% and 35% of annual rainfall amount contributes to recharge based on the chloride mass balance and WLF results, respectively. Baseflow separation showed recharge values for the watershed vary from 38% to 28% of annual rainfall at the upstream and downstream gauging stations, respectively. This study shows that the recharge in previously unmonitored micro-watersheds can be studied if citizens are involved in data generation.
Author(s): Mintamer F, Haile AT, Walker D, Gowing J, Parkin G
Publication type: Article
Publication status: Published
Journal: Hydrological Sciences Journal
Online publication date: 29/04/2020
Acceptance date: 24/03/2020
Date deposited: 18/06/2020
ISSN (print): 0262-6667
ISSN (electronic): 2150-3435
Publisher: Taylor and Francis
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