نتایج جستجو برای: shoreline changes

تعداد نتایج: 874088  

Extended abstract   1- Introduction Coastal environments are one of the most sensitive environmental systems under the influence of dominant hydrodynamic processes. Coastal changes and evolution are occurring very fast. Coastal areas are now gradually becoming known as severe natural and man-made disturbances, including sea levels rising, coastal erosion and sedimentation, and over-exploitat...

2016
Rogério Teixeira de Faria Ruy Casão Junior Simone Silmara Werner Luiz Antônio Zanão Junior Gerrit Hoogenboom

Crops close to small water bodies may exhibit changes in yield if the water mass causes significant changes in the microclimate of areas near the reservoir shoreline. The scientific literature describes this effect as occurring gradually, with higher intensity in the sites near the shoreline and decreasing intensity with distance from the reservoir. Experiments with two soybean cultivars were c...

2012
J. H. Nienhuis A. D. Ashton P. C. Roos L. Giosan

This study focuses on the effects of changes in fluvial sediment supply on the plan-form shape of wave-dominated deltas. We apply a one-line numerical shoreline model to calculate shoreline evolution after (I) elimination and (II) time-periodic variation of fluvial input. Model results suggest four characteristic modes of wave-dominated delta development after abandonment. The abandonment mode ...

Journal: :International Journal of Engineering & Technology 2018

2003
RONGXING LI RUIJIN MA KAICHANG DI

The shoreline is one of the most important features on earth’s surface. It is valuable to a diverse user community. But the dynamic nature of the shorelinemakes it difŽ cult to be represented in a naturally dynamic style and to be utilized in applications.The ofŽ cially usedshoreline,for examplein nauticalcharts,is the so-calledtide-coordinatedshoreline. It is also the shoreline that makes the ...

Journal: :Remote Sensing 2014
Thomas Mann Hildegard Westphal

Atoll islands are subject to a variety of processes that influence their geomorphological development. Analysis of historical shoreline changes using remotely sensed images has become an efficient approach to both quantify past changes and estimate future island response. However, the detection of long-term changes in beach width is challenging mainly for two reasons: first, data availability i...

Journal: :Tạp chí Khoa học và Công nghệ Biển 2013

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...

2014

The mathematical model of the movement of the shoreline in a sedimentary ocean basin (A Shoreline Problem) is a Stefan problem with variable latent heat. Swenson et al. [1] utilized an analogy with one-phase melting problem and developed a mathematical model for movement of shoreline in a sedimentary basin in response to changes in sediment line flux, tectonic subsidence of Earth's crust and se...

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