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PARTNERSHIPS FOR ENHANCED ENGAGEMENT IN RESEARCH (PEER)
Cycle 5 (2015 Deadline)


A multi-sensor hydrologic modeling framework to assess the impacts of small-scale water storage practices to water resources over Uganda


PI: Jamiat Nanteza (nantezajmt8@gmail.com), Makerere University
U.S. Partner: Mathew Rodell, NASA Goddard Space Flight Center
Project Dates: December 2016 - July 2021

Project Overview:

 5-019 Study map
Map of Uganda showing study area, sub-basins, streamflow gauging stations (green triangles) and groundwater monitoring stations (red circles). Pfoto credit Jamiat Nanteza.
Water availability and accessibility are concerns that water managers strive to address in the face of climate change, population growth, and food insecurity. Water resources are strained during extreme hydrologic events, and as climate variability and extremes increase (Trenberth, 2012), the uncertainty of freshwater availability poses a threat for emerging economies like Uganda. Anecdotal reports from Uganda indicate that shrinking rivers and diminishing groundwater resources (Lwanga, 2015) have become commonplace, both of which indicate declines in groundwater storage. Water harvesting has the potential to mitigate climate impacts in the short-term (Kahinda et al., 2010); however, potential hydrologic alterations from such small-scale water captures and storage are unknown.

This study seeks to assess the viability of increasing water harvesting efforts in Uganda by examining associated hydrological impacts that result from the capture and storage of water. This study will apply an integrated modelling framework to exploit multivariate remote sensing data from NASA satellite missions combined with ground-based hydrologic observations to examine the spatial and temporal impacts of water harvesting. This project is a pilot study for model development and hypothesis testing. It thus provides a first step towards generation of a decision-support system for evaluating water use and management scenarios in the face of climate change and development. The research team will also address broader national development goals, including aiding decision making for development efforts towards irrigation-based agricultural production, as well as livelihoods. Results of the study should help to inform ongoing government efforts (for example, the Karamoja Action Plan for Food Security) aimed at transitioning the Karamoja dry-land communities from pastoralism to crop farming.


Summary of Recent Events

In this quarter, the PI and her team have not been able to carry out project activities due to the ongoing COVID-19 pandemic.

The PI hopes that once the institution reopens, she and her team will finalize of the CLM simulations and analysis, hold a dissemination workshop and hold meetings to discuss research findings with different stakeholders, submit two articles for publication and lastly, present to different stakeholders who might be interested in using results from this project.

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