In order to understand the pattern and trends of environmental evolution Lake Urmia (Iran), one largest terminal lakes in Western Asia before its level drop over past two decades, sediment cores (Golman 6, 8.0 m; Golman 7, 12.5 m) were collected from recently dried-out southwestern part lake. These represent a continuous sedimentary sequence, composite core, that was extensively studied for gra...

1. introduction urmia is one of the important historical cities of iran which in recent years has been associated with physical-spatial rapid expansion. one of the necessities of spatial planning of urmia is controlling the rapid expansion of the city in marginal areas that are unbalanced fertile land and industrial and mineral soils are under construction and this problem has presented numerou...

Background& objectives: Zarrinehrud River is one of the most important permanent and water-rich rivers in West Azerbaijan province located in the catchment area of Lake Urmia. In this study, to evaluate the quality of the Zarrinehrud River, with a length of 57.5 kilometers from the outlet of Noroozlou to the drainage dam to the Lake Urmia, QUAL2K computer simulation model was used. Methods: Th...

abstract recent global warming has led to a change in the global hydrological cycle and an increase in extreme events such as flood and drought at the global and continental scales. however, at the regional scale, the magnitude of warming and the resulting changes in water resources are different from one region to another. unlike air temperature whose increase is evident throughout the world, ...

the lake urmia and satellite wetlands was selected as a demonstration site for the undp/gef/doe conservation of iranian wetlands project. this project aims to demonstrate reduction of the major threats of this wetland protected area coordinated through an integrated management plan. we developed a choice experiment to examine public preferences and elicit their willingness to pay on improvement...