the main aim of the present study was to map of urmia lake water surface diminishing rates over a long-term period, and demonstrating the most recent surface of emerged salty alluvial plains. for this purpose, landsat tm, etm+ and oli imageries, observing from 1984 to 2015, were progressively processed to generate most of the thematic models in tempo-spatial context. all multi-date satellite da...

The importance of understanding processes that govern the hydroclimate of the Mediterranean Basin is highlighted by the projected significant drying of the region in response to the increase in greenhouse gas concentrations. Here we study the long-term hydroclimatic variability of the central Levant region, situated in the eastern boundary of the Basin, as reveled by instrumental observations a...

The lake Anasagar is a perennial, shallow fresh wetland situated in the heart of Ajmer city. It is degraded because of anthropogenic activities including input of detergents, agricultural activities, sewage disposal and human settlement around the lake. It is also a major tourist attraction for boating and recreational activities. Trapa bispinosa is the primary cash crop, comprises about 50% of...