Analysis of Flow and Baseflow Trends in the Usangu ... - GEUS

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Interaction between surface water/groundwater Stream flow = Storm flow + Base Flow Baseflow trend variations not only reflect the surficial hydrological system regime change but also changes in groundwater storage and discharge within the basin. Water for a food-secure world www.iwmi.org
The objectives • (1) Quantify and analyse basin-scale temporal and spatial trends in total stream flow and baseflow in the Usangu catchment; • (2) Contribute to understanding the hydrological system, and recent observed changes, particularly related to dry season impacts and groundwater. Water for a food-secure world www.iwmi.org
Page 1: Photo: David Brazier/IWMI Analysis
Page 5 and 6: Methodology • Baseflow separation
Page 7 and 8: Total stream flow (m 3 /year) Total
Page 9 and 10: Mann-Kendall test results for annua
Page 11 and 12: Annual Rainfall (mm) Annual rainfal
Page 13 and 14: Annual baseflow (m3) 3E+09 2.5E+09
Page 15 and 16: Irrigation area Water for a food-se
Page 17 and 18: Annual baseflow (m 3 ) 3E+09 2.5E+0
Page 19 and 20: Deforestation • Deforestation in
Page 21 and 22: Conclusions of factors on hydrologi

Analysis of Flow and Baseflow Trends in the Usangu ... - GEUS

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