نتایج جستجو برای: coastline evolution

تعداد نتایج: 344426  

Journal: :Coastal Engineering Proceedings 1986

2008
William V. DeLuca Colin E. Studds Ryan S. King Peter P. Marra

Estuarine ecosystems are becoming increasingly altered by the concentration of human populations near the coastline, however a robust indicator of this change is lacking. We developed an index of waterbird community integrity (IWCI) and tested its sensitivity to anthropogenic activities within 28 watersheds and associated subestuaries of Chesapeake Bay, USA. The IWCI was used as a tool to gain ...

Journal: :PLoS ONE 2008
Sébastien Trape

BACKGROUND The International Shark Attack File mentions only four unprovoked shark attacks on the coast of West Africa during the period 1828-2004, an area where high concentrations of sharks and 17 species potentially dangerous to man have been observed. To investigate if the frequency of shark attacks could be really low and not just under-reported and whether there are potentially sharks tha...

2017
R. Tiberti R. TIBERTI L. NELLI S. BRIGHENTI R. IACOBUZIO M. ROLLA

Brook trout Salvelinus fontinalis have been used worldwide to stock fishless alpine lakes, negatively affecting native biota. Understanding its spatial ecology in invaded ecosystems can provide information to interpret and contrast its ecological impact. We opportunistically used capture points of brook trout gillnetted during an eradication campaign to assess the distribution patterns of four ...

2016
Claudia Wolff Athanasios T. Vafeidis Daniel Lincke Christian Marasmi Jochen Hinkel

This paper assesses sea-level rise related coastal flood impacts for Emilia-Romagna (Italy) using the Dynamic Interactive Vulnerability Assessment (DIVA) modeling framework and investigate the sensitivity of the model to four uncertainty dimensions, namely (1) elevation, (2) population, (3) vertical land movement, (4) scale and resolution of assessment. A one-driver-at-a-time sensitivity approa...

2014
Ajita Atreya Jeffrey Czajkowski Jon Huntsman

A number of hedonic property pricing studies of flood risk indicate that properties within a designated higher flood risk zone sell for a lower price than an equivalent property outside of it. However, often the homes most at flood risk are also the most desirable in terms of their proximity to the water, and this concurrent existence of positive water-related amenities and negative flood risk ...

Journal: :PASOS Revista de Turismo y Patrimonio Cultural 2021

The Mediterranean coastal front has traditionally been a focus of tourism on national and inter‑ scale. With regards to the administrative delimitations coastline, situation in Region Murcia long stagnant, resulting slower more unequal processes modernisation than other similar regions Spain. This study is directed at analysing processes, evolution causes for this relative divorce between rest ...

Journal: :Geoscientific Model Development 2022

Abstract. Correct quantification of coastal cliff erosion requires accurate delineation the face bounded by top and base lines. Manual mapping is time consuming relies on mapper's decisions skills. Existing algorithms are generally site specific may be less suitable for areas with diverse cross-shore geometries. Here we describe CliffDelineaTool (v1.2.0), a MATLAB/Python-based algorithm that id...

Journal: :Geochemistry Geophysics Geosystems 2021

The eastern margin of Madagascar has a prominent relief change from the flat coastal plain to low-relief high plateau, characterizing typical great escarpment topography at passive margin. A quantification spatial distribution erosion rates is necessary understand rate landscape evolution. We present catchment-averaged detrital cosmogenic 10Be concentrations, systematically covering distinct mo...

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