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Category Archives: Alerts
Alert 1 Flow Ruaha Park HQ
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Alert1 Outflow Ihefu Swamp
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Flow status Usangu Rice Drainage
MENU On September 12, 2026 Alert 3 Imminent ALERT 3 — Critical transition reached / confirmation pending.Sentinel-2 observations indicate that by 12 September 2026 the water/no-water boundary had reached the critical ALERT 3 branch-inlet location. Joint-population analysis classifies A16 as NO-WATER while A17 remains WATER, consistent with the shoreline lying approximately across the critical detectorContinue reading “Flow status Usangu Rice Drainage”
Kapunga Intake and Abstraction
MENU Kapunga Intake on August 5, 2026 and HR Nov 10, 2023 On November 10, 2023, the Ruaha River flow dropped under the critically low flow level (zero flow at Ruaha Park HQ Oct. 17 2023). The first rice nurceries are created and whatever could be diverted from the Ruaha River into the main canalContinue reading “Kapunga Intake and Abstraction”
Alerts 2026
MENU ALERT 2 — 30 Aug 2026 zero flow confirmed 30 August 2026 — Drying at Mtera Reservoir inflow confirmed by A2 joint-population observation.30 August 2026 — A2 reaches zero-core state at Mtera inflow Sentinel-2 observations on 30 August show the A2 residual channel at the Ruaha River inflow to Mtera Reservoir reaching a zero-coreContinue reading “Alerts 2026”
Zero Drainage Usangu Rice Plain
October 27, 2025 zero drainage Usangu observed Longer zero periods comes with zero drainage Usangu Flats The first observation of zero drainage from the Usangu Rice Plain is recorded on October 27, 2025. The location is some 4km downstream of the Alert 3 VDAS. The screenshot from the home page of the usangu.majiyetu.org shows theContinue reading “Zero Drainage Usangu Rice Plain”
ALERT 3, July 29, 2025
ALERT 3, July 29, 2025 New detection method detects ALERT 3 on July 29, 2025 An individual pixel based detection of water or no-water facilitates the accurate reporting on retreating river channel. The change of water pixel from partial water to land pixel is the basis for this methodology. Visually detected Zero Flow July 16,Continue reading “ALERT 3, July 29, 2025”
Alert 3, Sep 27, 2024
Alert 3, Sep 27, 2024 Ruaha River Flow Monitor Tool (Remote Sensing) Flow Status Today: 15 Days of Zero Flow at Park HQ in 2024 Alert 3 possibly reached before Alert2 in 2024 To specify the start of the Alert 3 phase is less precise as Alert 2. The drying of branch canal of theContinue reading “Alert 3, Sep 27, 2024”
History of Zero Flow
History of Zero Flow History of Zero Flow Days at Ruaha Park HQ (graph) The table can be found here History of the Length of Zero Flow Series and Low Flow Periods The Ruaha Flow Monitor accumulates a wealth of freely available georeferenced images. By searching on key locations along the Ruaha and Mbarali RiversContinue reading “History of Zero Flow”