نتایج جستجو برای: urmia lake sediments

تعداد نتایج: 69393  

Journal: : 2023

Effects of Enriched-Biochar on Phosphorus Adsorption Behavior in Saline and Non-Saline Soils Lake Urmia Basin

Journal: :international journal of geo science and environmental planning 0
keyvan mohammadzadeh tabriz university maryam maleki sc. student of remote sensing and gis- university of tabriz ali akbar rasouli professor of geography and planning faculty - university of tabriz

over the past years, lake water levels have decreased considerably by various factors and the subsequent emergence of salt plain has brought disastrous consequences that need an essential action. therefore, this study aimed to investigate the effects of drying up and increasing lake water salt and landsat satellite images were used during different time periods in 9 years. to identify the new a...

Journal: :The Science of the total environment 2016
Somayeh Shadkam Fulco Ludwig Michelle T H van Vliet Amandine Pastor Pavel Kabat

Iran Urmia Lake, the world second largest hypersaline lake, has been largely desiccated over the last two decades resulting in socio-environmental consequences similar or even larger than the Aral Sea disaster. To rescue the lake a new water management plan has been proposed, a rapid 40% decline in irrigation water use replacing a former plan which intended to develop reservoirs and irrigation....

2010
Hai Xu Bin Liu Feng Wu

The Rb/Sr ratios of lake sediments have been suggested as indicators of weathering intensity by increasing work. However, the geochemistry of Rb/Sr ratios of lake sediments is variable between different lakes. In this study, we investigated the spatial and temporal patterns of Rb/Sr ratios, as well as those of other major elements in surface sediments of Lake Qinghai. We find that the spatial p...

Journal: :journal of artificial intelligence in electrical engineering 0
mohsen rasinezam department of electrical engineering, ardabil branch, islamic azad university, ardabil, iran hossein shayegi department of electrical engineering, ardabil branch, islamic azad university, ardabil, iran.

nature has always proven that it is able to overcome its problems. however, humanmanipulation has led to environmental degradations. the dryness of a thousand-year urmia lake(a brine water lake in iran) is an example of environmental degradation that happened due tosuccessive droughts and construction of dams on the basin of this lake. this study examinesmethods for the revival of urmia lake by...

2006
Yong-Xiang Li Zicheng Yu Kenneth P. Kodama Robert E. Moeller

The increasing use of magnetic parameters as a proxy for environmental change necessitates the understanding of processes that link magnetic properties of sediments, especially organic-rich lake sediments, and environmental change. To explore the magnetic mineralpaleoenvironment link, we have recovered a 14,000 yr mineral-magnetic record fromWhite Lake, a hardwater lake containing organicrich s...

Journal: :environmental health engineering and management 0
javad ahmadi environmental engineering research center, faculty of chemical engineering, sahand university of technology, tabriz, iran davood kahforoushan environmental engineering research center, faculty of chemical engineering, sahand university of technology, tabriz, iran esmaeil fatehifar environmental engineering research center, faculty of chemical engineering, sahand university of technology, tabriz, iran khaled zoroufchi benis environmental engineering research center, faculty of chemical engineering, sahand university of technology, tabriz, iran manouchehr nadjafi laboratory of energy science and engineering, department of mechanical and process engineering, eth zurich, switzerland

background: urmia lake, the second largest hyper-saline lake of the world, has experienced lack of water and other environmental issues in recent years. now, there is a danger of the lake drying out, which will affect the region and its inhabitants. this study aimed to present a model which can relate the water level of the lake to effective factors. methods: parameters that influence water lev...

Journal: :Journal of environmental quality 2013
Zongwei Ma Kai Chen Zengwei Yuan Jun Bi Lei Huang

An overall and comparative ecological risk assessment of heavy metal pollution (including Cu, Zn, Pb, Cd, Hg, Cr, As, and Ni) in surface sediments was conducted for six major shallow freshwater lakes (Taihu Lake, Chaohu Lake, Nansihu Lake, Dongting Lake, Poyang Lake, and Hongze Lake) in China. A spatial database with 339 sediment samples was created through an extensive literature survey. Conse...

Journal: :journal of medicinal plants and by-products 0

glasswort(salicornia europaea l.) as an important halophyte plant is capable to accumulate nacl in aboveground part (fully edible) in considerable quantity. to evaluate the effect of irrigation levels and nitrogen fertilizer on the yield of seed and oil, and also harvest index of glasswort, a split plot experiment was conducted based on randomized complete block design with three replications a...

Journal: :Science of The Total Environment 2021

Lake water level fluctuation is a function of hydro-meteorological components, namely input, and output to the system. The combination these components from in-situ remote sensing sources has been used in this study define multiple scenarios, which are major explanatory pathways assess lake levels. goal analyze each scenario through application balance equation simulate largest Iran, Urmia, sel...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید