Numerical Modeling ofUrmia Lake Surface Area Fluctuations
سال انتشار: 1394
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 755
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شناسه ملی سند علمی:
CESET01_020
تاریخ نمایه سازی: 14 آذر 1394
چکیده مقاله:
Numerical modeling is an important tool required for environmental studies. Urmia Lake’s water surface area is among the most important parameters needed for water balance analysis. Periodical measurement of this parameter directly by conventional topography almost seems impossible since it is costly and time –consuming. Such limitations highlights the needs for new approaches to be taken, namely remote sensing technique which could provide a good approximation of lake’s surface area in terms of some other parameters available or at least easily measured. This paper considers development of a new model for lake’s surface area measurement according to available water levels during study period (2005-2011);and its comparison with other methods in this field as well as the calculations regarding salt-land formation and coastline changes. High resolution images provided by NASA satellites, Aqua and Terra, were collected and passed an image processing stage through MATLAB software for surface area calculations. Finally, the water level and surface area values resulted fromthe home ade code, were put together to reach relationship, which is not only simple and practical but also accurate and precise. Surface area values calculated using the developed model, regretfully indicated a large area of salt-land formation and development during the recent decade, which could be considered as an environmental catastrophe in this region
کلیدواژه ها:
نویسندگان
Javad Ahmadi
MSc. Environmental Engineering Research Center, Faculty of Chemical Engineering, Sahand University of Technology
Davood Kahforoushan
Assistant Professor. Environmental Engineering Research Center, Faculty of Chemical Engineering,Sahand University of Technology
Esmaeil Fatehifar
Associate Professor. Environmental Engineering Research Center, Faculty of Chemical Engineering, Sahand University of Technology
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