نتایج جستجو برای: coastal sand barriers
تعداد نتایج: 161667 فیلتر نتایج به سال:
We provide a list of the 392 described species of Staphylinidae confined to coastal habitats worldwide. The list is in taxonomic sequence by subfamily, tribe, and genus and includes 91 genera. We provide the page reference of the original description of every species and genus listed and of many synonyms. We note the existence of recent reviews, phylogenies and keys of each of the tribes and ge...
AIMS To identify the most efficient techniques for the separation of micro-organisms from coastal sediments and, using these techniques, to determine the concentration of faecal indicator organisms in recreational coastal water and sediment. METHODS AND RESULTS Sediment samples were taken from a range of recreational coastal sites and subjected to various physical techniques to separate micro...
In the framework of collection and determination of coastal sand dune plants of S Caspian Sea in Gilan and Mazandaran provinces (N Iran), a new species of the family Poaceae,Cenchrus longispinus (Hack.) Fernald, was determined in coastline of Babolsar, Mazandaran. Cenchrus longispinus is closely resembles C. spinifex and C. echinatus. From the latter it is best distinguished by the absence of a...
Bangladesh has a coastline of 710 km along the Bay of Bengal, which will be extremely exposed to climatic hazards over the coming decades. At present, the improvement of people’s livelihoods of this zone largely depends on the climate adaptation approaches adopted mainly through water management and agricultural practice. Although the cross-sectoral dimension of the Integrated Coastal Zone Mana...
Breaching of coastal barriers is a three-dimensional process induced by complex interactions between hydrodynamics, sediment transport and soil avalanching processes. Although numerous coastal barriers are breached every year in many coastal countries, causing dramatic inundations of the nearshore areas, the understanding of the processes and interactions associated with both breaching and subs...
Synthetic Aperture Radar (SAR) images are being used more extensively than ever before for geoscience applications in the moist tropics. In this investigation, a RADARSAT1-1 C-HH SAR image acquired in 1998 was used for coastal mapping and land-cover assessment in the Bragança area, in the northern Brazil. The airborne GEMS 1000 X-HH radar image acquired in 1972 during the RADAM Project was also...
Shoreline stability is an important issue along much of the Mediterranean’s Coasts. European project MEDDOOC INTERREG BEACHMED-e focused on the strategic management of beach protection for the sustainable development of the Mediterranean coastal zone. In the framework of this project, a video system has been installed in Valras (Gulf of Lions / France) to monitor coastal evolutions and recent p...
Fences are commonly used in coastal regions to control wind-blown sand. Sand-trapping fences and sand-stabilizing have been installed at the Tottori Sand Dunes, Prefecture, Japan, prevent damage by sand; however, effectiveness of these has not previously quantitatively evaluated. This study analyzed effects sand on trapping using field observations blown-sand flux unmanned aerial vehicle (UAV) ...
Vegetated dunes are recognized as important natural barriers that shelter inland ecosystems and coastlines suffering daily erosive impacts of the sea and extreme events, such as tsunamis. However, societal responses to erosion and shoreline retreat often result in man-made coastal defence structures that cover part of the intertidal and upper shore zones causing coastal squeeze and habitat loss...
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