Document Type : Case Study
Authors
1 Department of Geology,, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran
2 Department of Geology Faculty of Science Ferdowsi University of Mashhad Mashhad Iran
Abstract
The dependence of residents livelihood of Roshtkhar plain on agriculture and the increase in population has caused the indiscriminate extraction from deep wells, as the main source of water supply. The result of which was a severe drop in the water level and a critical situation in the Roshtkhar aquifer. In order to reduce the crisis, several management activities have been carried out, including the project of installing smart meters (SMs) on the wells in 2015, as a subset of the rehabilitation and balancing plan. Investigating the trend of changes in 20 years hydrographs of observation wells, as well as calculated operation hours and energy consumption of their corresponding selected agricultural wells, and the graphs of the changes in energy consumption and operation hours shows considerable decreasing in the slope of the water level changes trend line after installing the SMs compared to before installation. So that, in observation wells, which have continuous and correct statistics, there was an average decrease of 46.4% in the drop of water level after SMs installation. In addition, with installing SMs, the actual working hours and energy consumption of the selected wells have decreased about 11.7% and 22.8%, respectively, for the two similar time periods befor and after installation. Due to the severe to very severe drought conditions in Roshtkhar over the past 10 years, the climate situation did not have much effect on reducing energy consumption and operating hours of wells, as well as improving the trend of water level changes.
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