Developing River Rating Curves: Ruvu River Basin, Tanzania
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Material Information

Title:
Developing River Rating Curves: Ruvu River Basin, Tanzania
Creator:
Global Water for Sustainability Program (Florida International University)
Place of Publication:
Miami, Florida
Publisher:
Florida International University
Publication Date:
Language:
English
Physical Description:
110 pages

Subjects

Subjects / Keywords:
Water--Flow
Water resources
Spatial Coverage:
Tanzania

Notes

Summary:
The Florida International Research iWASH Initiative Limited commissioned this study to assess and develop rating curves in the Ruvu River Sub-basin. The work concentrated at the six key strategic stations within the Sub-basin that include: Ngerengere at Konga 1HA9A, Ngerengere at Mgude, Ruvu at Morogoro - Dar es Salaam Road 1H8, Ruvu at Kibungo 1H5, Mgeta at Mgeta 1HB2 and Mgeta at Duthumi 1HB1411. Specifically, the work reviews the existing rating curves for the existing stations on the Ruvu, update and validate cross-sections at the six strategic stations, conduct flow measurements, conduct analysis and produce new rating equations for the six strategic stations. The work utilizes the historical stage-discharge measurements and the new measurements collected during the period November 2012 to May 2013. Results indicate that most of the stations were established in the early 1950s and discharge measurement in these stations continued until late 1980s, with no measurements between early 1990s and mid 2000s. Review of the rating relationships indicates validity of historical data up to the early 1980s for most of the stations, but cannot be used to transform gauge heights (water levels) without modification. Assessment of physical characteristics at the six key stations revealed fair hydraulic controls. Nevertheless, special attention will be required to attend some observed threats at the channel hydraulic sections.
Content Advice:
Funding for this publication was provided by the American people through the United States Agency for International Development (USAID) as a component of the Tanzania Integrated Water, Sanitation and Hygiene (iWASH) Program. The views and opinions of the authors expressed herein do not necessarily state or reflect those of the United States Agency for International Development, the United States or Florida International University.
Citation/Reference:
GLOWS-FIU. 2014. Developing River Rating Curves in the Ruvu River Basin, Tanzania. Global Water for Sustainability Program, Florida International University. 108 pp.

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Copyright © Global Water for Sustainability Program – Florida International University. This publication may be reproduced in whole or in part and in any form for educational or non-profit purposes without special permission from the copyright holder, provided acknowledgement of the source is made. No use of the publication may be made for resale or for any commercial purposes whatsoever without the prior permission in writing from the Florida International University - Global Water for Sustainability Program.

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