Pangani Hydraulic Study of Lake Jipe, Nyumba ya Mungu Reservoir and Kirua Swamp

This report documents information on surface water inflows and groundwater recharge in maintaining water levels in Lake Jipe and the Kirua swamps and water levels (or depth) and inundated areas in Lake Jipe, Nyumba ya Mungu and Kirua Swamp associated with different antecedent river flows and seasonal variations in aspects such as evaporation etc.

The Pangani Basin Water Office (PWBO is implementing the Pangani River Basin Management Project, supported by the IUCN, Water & Nature Initiative, UNDP/GEF and the European Union. Task 6 of the project has made provision for several studies to provide technical information to assist with setting up predictive tools for use in water allocation in the basin.

The components are:
macroeconomic study, hydro-electric power modeling study, study on climate change, study on hydraulic modeling, study on fisheries of Pangani Basin, study on fish and invertebrate life histories, and study on vegetation.

This report addresses hydraulic modeling components.
1.2 Objectives of the hydraulic modeling study
To develop a conceptual understanding of the roles that surface water inflows and groundwater recharge play in maintaining water levels in Lake Jipe and the Kirua swamps
To undertake a preliminary assessment of the water levels (or depth) and inundated areas in Lake Jipe associated with different antecedent river flows and seasonal variations in aspects such as evaporation.
To Liaise with the dam/HEP modeller to provide an indication of the water level (or depth) and inundated area in Nyumba ya Mungu associated with different inflow regimes.
To undertake a preliminary assessment of the magnitude of flows that will inundate Kirua Swamps and the manner in which this inflow distributes itself across the system.


Attachment: attachmenthydraulic.pdf

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