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Optimum Rain-Gauges Network Design of Some Cities in Iraq | ||
| Journal of University of Babylon | ||
| Article 1, Volume 22, Issue 4, 2014, Pages 938-950 | ||
| Authors | ||
| Ali Hassan Duhaim Al-Aboodi; Alaa MuhsainAtiaa Al-Abadi | ||
| Abstract | ||
| A simple methodology is adapted to optimum rain-gauges network design in central and south of Iraq through simple statistical concepts, i.e, mean and coefficient of variation. Results indicate that 17 stations are required to optimize rain-gauges network with allowable error of about 10%. To redistribute the additional stations (8 stations) among the available already installation stations (9 stations) a map of standard error map of monthly average rainfall estimation using ordinary kriging technique in Geostatistical tools in ArcGIS 9.3 is used. A new optimum network is designed by the trial and error procedure via add stations to the zones with higher standard error or drop or relocate in the zone of low standard error. The methodology is simple and low cost and can be adopted to deign optimum network design over the whole area of Iraq or for other meteorological, hydrological, and hydrogeological variables. | ||
| Keywords | ||
| Iraq; ArcGIS; Rain gauges; Ordinary kriging | ||
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