نتایج جستجو برای: lake urmia

تعداد نتایج: 44332  

According to the reports of the International Panel Climate Change (IPCC) there is no doubt about climate change occurring. All ecosystems on the earth have being concerned by the effects of climate change. Urmia lake basin and its rivers exposed to numerous anthropogenic stressors such as hydrological, morphological, connectivity and water quality pressures. The main objective of this study is...

Journal: :Geophysical Research Letters 2021

Torrential rainfall and rapid snowmelt in April 2017 caused deadly floods northwestern Iran. An atmospheric river (AR), propagating across the Middle East North Africa, was found responsible for this extreme event. The triggered by precipitation warm advection associated with AR. Total satellite-based moderately below normal, suggesting that a heavy flood can happen during dry years. AR fed moi...

Journal: :محیط شناسی 0
امیر صفایی دانشجوی دکتری برنامه ریزی محیط زیست، دانشکدۀ محیط زیست، دانشگاه تهران بهرام ملک محمدی استادیار گروه برنامه ریزی و مدیریت محیط زیست، دانشکدۀ محیط زیست، دانشگاه تهران

introduction common pool water resources (cpwrs) face overuse and congestion due to increased competition for the non-excludability and subtractability nature of their use. in the cpwrs conflicts, beneficiaries base their actions on individual rationality which negatively affect all users eventually due to the lack of trust between them, their self-optimizing tendencies, and inadequate informat...

Journal: :Environmental Earth Sciences 2022

Different sensing methods provide valuable information for comprehensive monitoring strategies, which are crucial the ecological management of lakes and watersheds. Subsequently, resulting spatio-temporal can be considered fundamental knowledge water resources Lake Urmia is deemed one most important aquatic habitats in Iran. It has been experiencing significant changes during recent years due t...

A Jalalzadeh, A Razmkhah, E Fataei, H Vosoughifar, H* Rabieifar,

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...

Abbas Motarjem, Mahnaz Sharifi

Situated in the Talvar valley of the Bijar County, Tepe Gheshlagh is an archaeological site with a sequence spanning the Chalcolithic through to the Bronze Age. Two seasons of salvage excavations have covered the site as it will be submerged as part of the intended lake of the Talvar Dam. Results from the excavations show evidence of long-lasting Chalcolithic (Dalma) settlements at the site. Da...

Considering the complexity of hydrological processes, it seems that multivariate methods may enhance the accuracy of time series models and the results obtained from them by taking more influential factors into account. Indeed, the results of multivariate models can improve the results of description, modeling, and prediction of different parameters by involving other influential factors. In th...

The conservation of lakes is an essential issue in sustainable development. Disruption of ecological balance, destruction of biodiversity and vegetation, desertification, and storm surges are the results of lakes drying. The purpose of this paper is to introduce an integrated bi-objective sustainable water resource management model. The first objective function deals with economically optimal a...

Journal: :جغرافیا و مخاطرات محیطی 0
علی شماعی نازیلا یعقوب نژاد اصل خدیجه سعیدی رقیه امیری

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...

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