Abstract
Water bodies in Iraq and other countries are considered the essential key for human life as they play a large and influential role in the country’s economy. Thus, the strategic plans of water management must be developed according to the need for future requirements. The current study aims to monitor the change in the water surface area of Haditha Dam Lake by calculating the surface area of the lake over a sequential time (1985-2019). GIS and Satellite imagery techniques were used to achieve the goal of the study. Landsat Space Archive was used with its fifth, seventh and eighth categories according to Path 170 / Row 36. The results showed that the lake generated from the dam was tested by three main stages. The first stage (1985-1988), the second stage (1988-2000) and third stage (2000-2019). The study presented that the average area of the Haditha dam Lak for the period 2001-2016 was 313 km2, compared to the average area of 418 km2 for the period 1988-2000, which means that the difference in the average surface area decreased by 25%. The Maximum and minimum water surface areas were about 427 km2 and 148 km2 for 2014 and 2015 respectively throughout the period time of 1988 to 2019. The declination behaviour of the surface area was observed from 1988 t0 2019 for the general trend line with a slope of 11.8.
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