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|a Assessment of Coastal Vulnerability Through the Use of GIS Tools in South Sicily (Italy) |h [electronic resource] |y English. |
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|a [S.l.] : |b Springer, |c 2009. |
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|a Environmental Management Volume 43. |
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|a Please contact the owning institution for licensing and permissions. It is the user's responsibility to ensure use does not violate any third party rights. |
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|a This study assessed coastal erosion vulnerability
along a 90-km sector, which included both erosional
and accretionary beaches, and different levels of human
occupation. Two aerial photogrammetric flights were used
to reconstruct coastal evolution between 1977 and 1999.
During this period, extensive accretion was recorded updrift
of human structures at harbors and ports, e.g., Scoglitti
(105.6 m), Donnalucata (52.8 m), and Pozzallo (94.6 m).
Conversely, erosion was recorded in downdrift areas, with
maximum values at Modica Stream mouth (63.8 m) and
Point Castellazzo (35.2 m). Assessments were subsequently
divided into four categories ranging from ‘‘high
erosion’’ to ‘‘accretion.’’ Several sources were examined to
assess human activities and land use. The latter was mapped
and divided into four categories, ranging from ‘‘very
high’’ to ‘‘no capital’’ land use. Subsequently, coastal
erosion vulnerability was assessed by combining land use
categories with recorded coastline behavior. Results
showed ‘‘very high’’ to ‘‘high’’ vulnerability along 5.8%
and 16.6%, respectively, of the littoral, while 20.9% and
56.7%, respectively, was found to exhibit ‘‘medium’’ and
‘‘low/very low’’ vulnerability. A very good agreement
between predicted coastal vulnerability and coastal trend
had been observed over recent years. Furthermore, several
human structures and activities are located within the
‘‘imminent collapse zone (ICZ)’’ which reached maximum
values of 17.5 m at Modica Stream and 13.5 m at Point
Braccetto. |
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|a Electronic reproduction. |c Florida International University, |d 2015. |f (dpSobek) |n Mode of access: World Wide Web. |n System requirements: Internet connectivity; Web browser software. |
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|a Geographic information systems. |
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|a Martinez Del Pozo, Josel Angel. |
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|a dpSobek |c Sea Level Rise |
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|u http://dpanther.fiu.edu/dpService/dpPurlService/purl/FI15062049/00001 |y Click here for full text |
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|a http://dpanther.fiu.edu/sobek/content/FI/15/06/20/49/00001/FI15062049thm.jpg |
