The images of November 12, 2023 record the initiated irrigation at Mbarali Farm with zero flow at the confluence which means all river water is diverted and utilised for pre-irrigation of the rice crop. Mbarali River dries October 18, 2023 is assessed as the date on which the Mbarali River stopped flowing into the GreatContinue reading “Mbarali low flow for pre-irrigation”
Category Archives: Flow Status
Usangu Drainage Monitor
Alert 3 on September 28, 2023 The drop of the water level in the Ruaha under the level of the branch channel at Nyaluhanga is completed on September 28, 2023. The retreating water from the channel (click for high resolution image) is demonstrated with the sentinel-2 images of August 4 (left image) and September 28,Continue reading “Usangu Drainage Monitor”
Overflow N’giriama June 20, 2023
Overflow N’giriama Early June 2023 Some 2.5km downstream of the Ihefu Swamp N’giriama Sill several channels over the base rock are still feasible early June 2023.
Flow Ruaha at Mtera
Status Flow Mtera June 2, 2023 Status Flow Mtera May 18, 2023 The Ruaha River just upstream of the confluence with the Little Ruaha is still swollen without signs of the upcoming dry season and drying of the river at the selected section of the Great Ruaha which dries first every year.
Drainage Flow Monitor evaluating interventions
Flow Ruaha at Park HQ
Since January the Ruaha is flowing under the Msembe Bridge at the Ruaha Park Headquarter. The Ruaha dried at end of first week of November in 2013 while it has more water one month later than the current flow, suggesting an earlier date for zero flow in 2023 without interventions.
Flow Ruaha at Mtera
Status Flow Mtera June 2, 2023 Status Flow Mtera May 18, 2023 The Ruaha River just upstream of the confluence with the Little Ruaha is still swollen without signs of the upcoming dry season and drying of the river at the selected section of the Great Ruaha which dries first every year.
Flow Ruaha at Park HQ recovering
Surface overflow advancing to Park HQ The surface flow in the Ruaha River between N’giriama and Msembe (Park HQ) slowly advances. On January 8, 2023 there is still a section of the river 21.3km upstream of the Msembe Bridge with zero flow from the Ihefu Swamp while water supplied from local cachments already flows underContinue reading “Flow Ruaha at Park HQ recovering”
Mbarali River Flow
With most rice farms planted and under irrigation, the Mbarali River is still draining after leaving the irrigated area on May 16, 2023.
More Drainage April 2023 than 2022
Drainage flow on November 12, 2022 After some two months of zero drainage at the Nyaluhanga – Ihefu Swamp section of the Ruaha River drainage flow has returned on November 12, 2022. Compare the two images below, at the same section of the Ruaha approximately 13km (as the bird flies) downstream of the Nyaluhanga GaugeContinue reading “More Drainage April 2023 than 2022”