DATA AVAILABILITY
The data used for Figures and Tables for this research article is based on DEM and GIS Shape Files produced from Geological survey of Ethiopia, the Global Network of Isotopes in Precipitation (GNIP) data was used from (https://www.iaea.org/services/networks/gnip), the IsoGSM simulation of stable water isotopes (δ2H and δ18O)from the website:
http://isotope.iis.u-tokyo.ac.jp/~kei/?IsoGSM1.
Rainfall data in the study area was collected from National Meteorological Agency of Ethiopia (NMA) and observed stable water data collected in three locations during rainy season in 2014 were used.