نتایج جستجو برای: shoreline changes
تعداد نتایج: 874088 فیلتر نتایج به سال:
The oil from the 2010 Deepwater Horizon spill in the Gulf of Mexico was documented by shoreline assessment teams as stranding on 1,773 km of shoreline. Beaches comprised 50.8%, marshes 44.9%, and other shoreline types 4.3% of the oiled shoreline. Shoreline cleanup activities were authorized on 660 km, or 73.3% of oiled beaches and up to 71 km, or 8.9% of oiled marshes and associated habitats. O...
Constraining the exchange of water from the shoreline to the mid-shelf is necessary for the development of accurate and predictive models of nearshore circulation. Ra isotopes, which emanate from sediments and have a variety of half-lives, may be useful in measuring cross-shelf mixing rates. The distributions of Ra isotopes were measured in transects extending perpendicular from the shoreline a...
Shorelines are critical information in a Coastal Geographic Information System (CGIS). Shorelines have a dynamic nature. Hence, their definition, mapping, and subsequent utilization are a more complicated issue than people usually think. Different approaches to shoreline mapping are described and analyzed in this paper. In particular, a new method is presented in which tide-coordinated shorelin...
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...
Abstract Morphological changes of Talakar’s coastline covering three administrative subdistrict has been modelled numerically in terms sedimentation build up. Shoreline is one the dynamic processes as parts natural for to reach their subsequent equilibrium resulting bathimetrical alteration coastal bed. Sedimentation modeling simulation conducted coastlines North Galesong, and South Galesong su...
introduction the coastal zone is one of the greatest environmental and economic assets of each nation. in coastal regions the natural forces that cause shoreline changes are embodied in waves, currents, wind and other factors. gorganroud river delta is located in 53°57 to 54° 1 e and 36°56 to 37° n in southeast part of caspian sea. in this study, gibbosity of gorgan river delta has been studied...
The Okanogan Regional SMP is based on inventories and evaluations of biophysical and human influences. This report described the use of technical information that pertains to man-made patterns across the landscape that shape the overall shoreline uses. Referred to here as planning factors, these influences provide information that can be used to inform future development decisions as well as ex...
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