نتایج جستجو برای: water level changes

تعداد نتایج: 2302768  

Journal: :Remote Sensing 2015
Ting Yuan Hyongki Lee Hahn Chul Jung

Synthetic Aperture Radar (SAR) has been successfully used to map wetland’s inundation extents and types of vegetation based on the fact that the SAR backscatter signal from the wetland is mainly controlled by the wetland vegetation type and water level changes. This study describes the relation between L-band PALSAR σ and seasonal water level changes obtained from Envisat altimetry over the isl...

Journal: :international journal of marine science and engineering 0
m. a. nezammahalleh geomorphology, physical geography department, geography faculty, university of tehran, tehran m. yamani geomorphology, physical geography department, geography faculty, university of tehran, tehran sh soltani department of civil engineering, neka branch, islamic azad university, neka, iran a. maldar badeli department of engineering and technology, golestan university, aliabad katool, iran a. rastegar department of engineering and technology, golestan university, aliabad katool, iran

in coastal areas, hydrodynamic factors make changes in shorelines geomorphology. this can affect coastal facilities and cause hazards to human societies in the areas. this study has investigated the influence of wave and tide properties on khamir port, hormoz strait in coast of persian gulf. the purpose of the study is to make a mathematical regional and local modeling of water level fluctuatio...

Journal: :Frontiers in water 2022

Understanding impacts of climate change on water level fluctuations across Earth's large lakes has critical implications for commercial and recreational boating navigation, coastal planning, ecological function management. A common approach to advancing this understanding is the propagation scenarios (often from global circulation models) through regional hydrological models. We find, however, ...

ژورنال: علوم آب و خاک 2022

Increasing crop production per unit volume of water consumption requires recognizing the most dependent variable in drip irrigation to the volume of water consumption and also identifying the most important variables independent of water productivity in surface and subsurface drip irrigation for optimal use of available water resources. The present research was carried out in Behbahan Agricultu...

Journal: :تحقیقات جغرافیایی 0
معصومه تدینی سعید جهانبخش معصومه عدالت دوست سعید جهانبخش

â  lake urmia, the third hyper-saline lake in the world and because of its climatic, economic, social and ecological/environmental importance is a populated region in iran. recently, severe drought periods and low water levels are causing problems in this lake. therefore, it is urgent and desirable to evaluate urmia water level fluctuations in a scientific ways. urmia lake water level the same ...

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