Assessment and Review the Environmental Risks Resulting from Climatic Changes in Abarkooh Basin

Increasing more injection of substances (precipitation) and decreasing the evaporation process in water basins has led to formation of Abarkooh hole in cold periods and also Abarkooh lake; a lake around which several social communities have been created due to this feature and in warm periods, it has turned into desert as the result of disturbing the proportion of its input and outputs. These climatic fluctuations and changes and environmental responses to them have produced many changes in the local hydrologic system and accessible water sources and have also endangered the sustainability of the area because of the external disorder factors such as drought. The danger which certainly threats the social communities and if no special management practices have been employed , will lead to the destruction of human communities and demolish of its natural ecosystems. This study which is derived from a research plan in Isfahan University has been conducted by the aim of studying how the weather changes affect the evolution path of Abarkooh basin. Moreover, it has examined the basin status and icings reduction rate and therefore the basin input rate, by relying on the Allometry procedure and evaluating 6 synoptic stations in analyzing the annual changes process of climatic parameters such as mean temperature, maximum temperature, minimum temperature, current and past precipitation of the lake and also by using the evapotranspiration method. Results obtained from the research suggest that changing the current environmental parameters ratio to the colder periods have all exceeded from the stability thresholds and the general state of the environmental systems is about to collapse.