نتایج جستجو برای: pollutant resources

تعداد نتایج: 287100  

ABSTRACT: Water quality of dam storage is highly affected by upstream environment and basin. Regarding other conducted studies, there exist various reasons such as some studies and general monitoring of dams which cause some main problems including salinity, chemical and microbial pollution eutrophication, and sedimentation. Chame-Gardalan Storage Dam in Ilam Province is one of the storages whi...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان - دانشکده منابع طبیعی 1392

nowadays, air pollution is a global problem that has had significant growth by technology development, population growth andindustrial development. industrial development brought natural resources deterioration, more manufacturing products, and more environmental pollutants. if pollutant won’t be controlled, human-being and wildlife will face the critical risks. significant release and critical...

2017
Min Ge Feng-ping Wu Xiao-ping Chen Basant Maheshwari

Regional initial water rights is a crucial part of initial water rights and clarification of it is an essential method to improve the efficiency of water use. It also promotes sustainable use of valuable water resources. Consequently, under new circumstances of China’s most stringent water resources management, with water quantity and quality control, we propose a new perspective for a coupled ...

2011
Michael Lipsett Andrew Hertz Michael Jerrett

ii Disclaimer The statements and conclusions in this Report are those of the contractor and not necessarily those of the California Air Resources Board. The mention of commercial products, their source, or their use in connection with material reported herein is not to be construed as actual or implied endorsement of such products. iii Acknowledgements The authors would like to thank Ms. Cynthi...

2015
Simone Peter Lars Mächler Rolf Kipfer Bernhard Wehrli Edith Durisch-Kaiser

1 Department of Environmental Systems Science, Institute of Biogeochemistry and Pollutant Dynamics, ETH Zurich, Zurich, Switzerland, 2 Department Surface Waters, Eawag, Swiss Federal Institute of Aquatic Science and Technology, Kastanienbaum, Switzerland, 3 Department Water Resources and Drinking Water, Eawag, Swiss Federal Institute of Aquatic Science and Technology, Dübendorf, Switzerland, 4 ...

2001
S. Zimmermann P. Koumoutsakos W. Kinzelbach

Simulation of Pollutant Transport Using a Particle Method S. Zimmermann,∗ P. Koumoutsakos,† and W. Kinzelbach∗ ∗Institute of Hydromechanics and Water Resources Management (IHW), ETH Hönggerberg, Zürich CH-8093, Switzerland; and †Institute of Computational Sciences, ETH, Zürich CH-8092, Switzerland, and CTR, NASA Ames 202A-1, Moffett Field, California 94035 E-mail: [email protected], p...

2010
Bin He Kazuo Oki Yi Wang Taikan Oki Yosuke Yamashiki Kaoru Takara Shingo Miura Akio Imai Kazuhiro Komatsu Nobuyuki Kawasaki

Eutrophication of coastal oceans as a result of the delivery of excess nutrients by rivers is a critical environmental issue on local, regional, and global scale. Japanese agriculture has created high nitrogen surpluses in agricultural lands due to the increasing rate of chemical fertilizer application and the increase of livestock. In this study, to estimate the nitrogen load exported to Koise...

2007
Caroline McFarlin Merryl Alber

We recently completed an assessment of Fort Pulaski National Monument for the Water Resources Division of the National Park Service. The report provides information on park resources, water quality and impairments, and other issues of concern. Although there are no real sources of pollutants at Fort Pulaski itself, both point and nonpoint sources of pollutants can be found nearby that have the ...

2017
Sarah E. Crawford Catrina Brüll nee Cofalla Benedikt Aumeier Markus Brinkmann Elisa Classen Verena Esser Caroline Ganal Elena Kaip Roger Häussling Frank Lehmkuhl Peter Letmathe Anne-Katrin Müller Ilja Rabinovitch Klaus Reicherter Jan Schwarzbauer Marco Schmitt Georg Stauch Matthias Wessling Süleyman Yüce Markus Hecker Karen A. Kidd Rolf Altenburger Werner Brack Holger Schüttrumpf Henner Hollert

Protecting our water resources in terms of quality and quantity is considered one of the big challenges of the twenty-first century, which requires global and multidisciplinary solutions. A specific threat to water resources, in particular, is the increased occurrence and frequency of flood events due to climate change which has significant environmental and socioeconomic impacts. In addition t...

Journal: :International journal of environmental research and public health 2016
Chong Jiang Fei Wang

Chengde city is located in the agro-pastoral transitional zone in northern China near the capital city of Beijing, which has experienced large-scale ecological construction in the past three decades. This study quantitatively assessed the environmental changes in Chengde through observation records of water resources, water environment, atmospheric environment, and vegetation activity and inves...

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