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Ruaha River Flow Monitor

A river flow monitor tool to alert for extreme low river flow and zero flow using remote sensing. The Alerts allow for timely action to prevent or reduce the period of Zero flow in most of the Ruaha National Park. Zero-flow can have negative impact on domestic water supply, nature, in particular wildlife and economic activies and should be mitigated through negotiations between the water users. For Ruaha River (Tanzania) the Monitor will be active from April with the prediction of the first Zero Flow Event until the occurrence of the Rains.

Category Archives: Flow Data Related

Predictive Hydrological Models and Zero Flow

Predictive Hydrological Models and Zero Flow From the numerous models developed to address the zero flow in the Ruaha Park and to simulate the water balance on the Usangu Rice Plain, three hydrological models are selected for further assessment. A critical drainage flow from the Usangu Rice Plain, a treshold value which should not beContinue reading “Predictive Hydrological Models and Zero Flow”

Suitability Available Low Flow Data Ruaha

Suitability Available Low Flow Data Ruaha Table 1 summarises the low flow measurements of the four gauging stations which matter for the prevention of zero flow at the Park Headquarter. According to the “Sustainable Management of the Usangu Wetland and its Catchment, Final Report (ref. 28 page 32) Most of the larger rivers in theContinue reading “Suitability Available Low Flow Data Ruaha”

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  • Introduction to the Flow of Water in the Ruaha River
  • Ruaha River ALERT Forecast 2026
  • Current Flow Status Ruaha River
    • ALERT 3, July 29, 2025
    • Mabarali River Dries at New NAFCO 2nd week of July, 2025
    • Dry Usangu Rice Plain with very limited abstraction to salvage (June 14, 2025)
    • Outflow Ihefu Swamp
    • Return of Flow at Mtera, first week of January, 2026
  • Interactive Monitor Maps
    • Low to Zero Flow Ruaha Mtera (May-Nov 2025)
    • Low Flow Ruaha Park (Msembe 2024)
    • Low Flow NewNAFCO Mbarali (2025)
  • Monitor Routine Zero Flow Prediction at Ruaha Park HQ
    • Observations (2018-2025)
    • Zero Flow Series
      • Zero Flow 2021
      • Zero Flow 2020
  • Predictive Hydrological Models and Zero Flow
    • Suitability Available Low Flow Data Ruaha
  • Subcatchment Condition comparison Ruaha and Mbarali
  • History of Zero Flow
    • ALERT 3, July 29, 2025
    • Almost Real Time Ruaha River Flow Status – 2025
    • Alert 3, Sep 27, 2024
    • Almost Real Time Ruaha River Flow Status – 2024
    • Alerts – 2023
    • Almost Real Time Flow Status Ruaha River – 2023
    • Alerts – 2022
    • Almost Realtime Flow Monitor Ruaha River – 2022
  • About Maji Yetu
    • Site Map
    • Video: “How To Trace Irrigation, remotely”
    • Video: “How to detect drying of Mbarali River at New NAFCO headworks”
    • NEWS
    • Referencing of Ruaha Flow Monitor
    • Visit Other Maji Yetu websites (Angola)
  • Glossary
  • Zero Flow Series
  • Zero Flow 2021
  • Zero Flow 2020
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