Coastal Erosion Problems In Northern Aegean Coastline, Greece. The Case Of The Rhodope Prefecture Coasts
Coastal erosion problems in Northern Aegean coastline, Greece. The case of the Rhodope Prefecture coasts G. S. Xeidakis and P. Delimani Department of Civil Engineering, Democritus University of Thrace, Xanthi, Greece. Abstract Approximately half of the world’s population are living or working in a n...
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| description | Coastal erosion problems in Northern Aegean coastline, Greece. The case of the Rhodope Prefecture coasts G. S. Xeidakis and P. Delimani Department of Civil Engineering, Democritus University of Thrace, Xanthi, Greece. Abstract Approximately half of the world’s population are living or working in a narrow zone of a 100 km from the world coastlines. In this paper the erosion problems appearing in the central part of the Greek Thrace coastline (Rhodope Prefecture), are examined. The coastline studied is more than 100 km long and belongs to Xanthi-Komotini tectonic basin and is not well developed economically yet. From geomorphologic point of view the aforementioned coastal zone is principally a hilly area, consisting of Miocene, loose to semi-consolidated deposits (gravels, sands, silty-clays and conglomerates). This material is impregnated with CaC03 and/or SiO2. in various degrees, forming a caliche (calcrete) deposit at the lower part of the column. The impregnation material is increasing with depth forming nodules of CaC03 in the upper layers and turning to hard marl limestone or calcareous sandstone at greater depth. Small torrent deltas are built at the exits of valleys to the sea. The serious problems of the coastal erosion are concentrated principally to the upper, loose or semi consolidated part of the sedimentary column. The height of the coastal cliffs (bluffs) varies from one to 30 m and the rate of their retreat fluctuates from a few centimeters to 3 m/year. The causes of the coastal erosion is attributed to: (a) natural factors like sea waves and alongshore currents, subsidence of the broader area, increase of the sea water level, consistency of the material, etc. and (b) to human-induced changes e.g. regulation of water courses and construction of dams on the streams inland, which results in the depletion of sediments of the rivers’ waters; construction of inlets, jetties, breakwaters and seawalls at the coastline; human induced subsidence due to groundwater over pumping, etc. |
| doi_str_mv | 10.2495/CENV020141 |
| format | Article |
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The Case Of The Rhodope Prefecture Coasts</title><source>Alma/SFX Local Collection</source><creator>Xeidakis, G S ; Delimani, P</creator><creatorcontrib>Xeidakis, G S ; Delimani, P</creatorcontrib><description>Coastal erosion problems in Northern Aegean coastline, Greece. The case of the Rhodope Prefecture coasts G. S. Xeidakis and P. Delimani Department of Civil Engineering, Democritus University of Thrace, Xanthi, Greece. Abstract Approximately half of the world’s population are living or working in a narrow zone of a 100 km from the world coastlines. In this paper the erosion problems appearing in the central part of the Greek Thrace coastline (Rhodope Prefecture), are examined. The coastline studied is more than 100 km long and belongs to Xanthi-Komotini tectonic basin and is not well developed economically yet. From geomorphologic point of view the aforementioned coastal zone is principally a hilly area, consisting of Miocene, loose to semi-consolidated deposits (gravels, sands, silty-clays and conglomerates). This material is impregnated with CaC03 and/or SiO2. in various degrees, forming a caliche (calcrete) deposit at the lower part of the column. The impregnation material is increasing with depth forming nodules of CaC03 in the upper layers and turning to hard marl limestone or calcareous sandstone at greater depth. Small torrent deltas are built at the exits of valleys to the sea. The serious problems of the coastal erosion are concentrated principally to the upper, loose or semi consolidated part of the sedimentary column. The height of the coastal cliffs (bluffs) varies from one to 30 m and the rate of their retreat fluctuates from a few centimeters to 3 m/year. The causes of the coastal erosion is attributed to: (a) natural factors like sea waves and alongshore currents, subsidence of the broader area, increase of the sea water level, consistency of the material, etc. and (b) to human-induced changes e.g. regulation of water courses and construction of dams on the streams inland, which results in the depletion of sediments of the rivers’ waters; construction of inlets, jetties, breakwaters and seawalls at the coastline; human induced subsidence due to groundwater over pumping, etc.</description><identifier>ISSN: 1746-448X</identifier><identifier>EISSN: 1743-3541</identifier><identifier>DOI: 10.2495/CENV020141</identifier><language>eng</language><publisher>Southampton: W I T Press</publisher><subject>Basins ; Breakwaters ; Caliche ; Civil engineering ; Clay ; Cliffs ; Coastal erosion ; Coastal zone ; Coasts ; Conglomerates ; Construction ; Dam construction ; Deltas ; Depletion ; Environmental regulations ; Erosion mechanisms ; Fluvial sediments ; Forming ; Geomorphology ; Groundwater ; Human influences ; Inlets ; Inlets (topography) ; Jetties ; Limestone ; Marl ; Miocene ; Nodules ; Rivers ; Sandstone ; Sea currents ; Seawater ; Sediments ; Silicon dioxide ; Soil erosion ; Streams ; Subsidence ; Tectonics ; Water levels ; Watercourses</subject><ispartof>WIT Transactions on Ecology and the Environment, 2002-01, Vol.58</ispartof><rights>2002. Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the associated terms available at https://www.witpress.com/elibrary .</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27903,27904</link.rule.ids></links><search><creatorcontrib>Xeidakis, G S</creatorcontrib><creatorcontrib>Delimani, P</creatorcontrib><title>Coastal Erosion Problems In Northern Aegean Coastline, Greece. The Case Of The Rhodope Prefecture Coasts</title><title>WIT Transactions on Ecology and the Environment</title><description>Coastal erosion problems in Northern Aegean coastline, Greece. The case of the Rhodope Prefecture coasts G. S. Xeidakis and P. Delimani Department of Civil Engineering, Democritus University of Thrace, Xanthi, Greece. Abstract Approximately half of the world’s population are living or working in a narrow zone of a 100 km from the world coastlines. In this paper the erosion problems appearing in the central part of the Greek Thrace coastline (Rhodope Prefecture), are examined. The coastline studied is more than 100 km long and belongs to Xanthi-Komotini tectonic basin and is not well developed economically yet. From geomorphologic point of view the aforementioned coastal zone is principally a hilly area, consisting of Miocene, loose to semi-consolidated deposits (gravels, sands, silty-clays and conglomerates). This material is impregnated with CaC03 and/or SiO2. in various degrees, forming a caliche (calcrete) deposit at the lower part of the column. The impregnation material is increasing with depth forming nodules of CaC03 in the upper layers and turning to hard marl limestone or calcareous sandstone at greater depth. Small torrent deltas are built at the exits of valleys to the sea. The serious problems of the coastal erosion are concentrated principally to the upper, loose or semi consolidated part of the sedimentary column. The height of the coastal cliffs (bluffs) varies from one to 30 m and the rate of their retreat fluctuates from a few centimeters to 3 m/year. The causes of the coastal erosion is attributed to: (a) natural factors like sea waves and alongshore currents, subsidence of the broader area, increase of the sea water level, consistency of the material, etc. and (b) to human-induced changes e.g. regulation of water courses and construction of dams on the streams inland, which results in the depletion of sediments of the rivers’ waters; construction of inlets, jetties, breakwaters and seawalls at the coastline; human induced subsidence due to groundwater over pumping, etc.</description><subject>Basins</subject><subject>Breakwaters</subject><subject>Caliche</subject><subject>Civil engineering</subject><subject>Clay</subject><subject>Cliffs</subject><subject>Coastal erosion</subject><subject>Coastal zone</subject><subject>Coasts</subject><subject>Conglomerates</subject><subject>Construction</subject><subject>Dam construction</subject><subject>Deltas</subject><subject>Depletion</subject><subject>Environmental regulations</subject><subject>Erosion mechanisms</subject><subject>Fluvial sediments</subject><subject>Forming</subject><subject>Geomorphology</subject><subject>Groundwater</subject><subject>Human influences</subject><subject>Inlets</subject><subject>Inlets (topography)</subject><subject>Jetties</subject><subject>Limestone</subject><subject>Marl</subject><subject>Miocene</subject><subject>Nodules</subject><subject>Rivers</subject><subject>Sandstone</subject><subject>Sea currents</subject><subject>Seawater</subject><subject>Sediments</subject><subject>Silicon dioxide</subject><subject>Soil erosion</subject><subject>Streams</subject><subject>Subsidence</subject><subject>Tectonics</subject><subject>Water levels</subject><subject>Watercourses</subject><issn>1746-448X</issn><issn>1743-3541</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2002</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNqVjLtOw0AUBVcoSESQhi-4JQVO9mWDS2SZR5MgFCG6aGOOsaXNbthr_z_I8AOpzhQzR4hrJZfalvmqqtfvUktl1ZmYqztrMpNbNZu4yKy9_7gQC-Z-L21uVG60nIuuio4H56lOkfsY6DXFvceB6SXQOqahQwr0gC-4QJPr-4BbekpAgyVtO1DlGLRpJ37r4mc84vcGLZphTPir-Eqct84zFv97KW4e6231nB1T_B7Bw-7QcwPvXUAcead1oZXRZVGaE9QfhUNQfw</recordid><startdate>20020101</startdate><enddate>20020101</enddate><creator>Xeidakis, G S</creator><creator>Delimani, P</creator><general>W I T Press</general><scope>7SN</scope><scope>7ST</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>PATMY</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PYCSY</scope><scope>SOI</scope></search><sort><creationdate>20020101</creationdate><title>Coastal Erosion Problems In Northern Aegean Coastline, Greece. The Case Of The Rhodope Prefecture Coasts</title><author>Xeidakis, G S ; Delimani, P</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-proquest_miscellaneous_22621329693</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2002</creationdate><topic>Basins</topic><topic>Breakwaters</topic><topic>Caliche</topic><topic>Civil engineering</topic><topic>Clay</topic><topic>Cliffs</topic><topic>Coastal erosion</topic><topic>Coastal zone</topic><topic>Coasts</topic><topic>Conglomerates</topic><topic>Construction</topic><topic>Dam construction</topic><topic>Deltas</topic><topic>Depletion</topic><topic>Environmental regulations</topic><topic>Erosion mechanisms</topic><topic>Fluvial sediments</topic><topic>Forming</topic><topic>Geomorphology</topic><topic>Groundwater</topic><topic>Human influences</topic><topic>Inlets</topic><topic>Inlets (topography)</topic><topic>Jetties</topic><topic>Limestone</topic><topic>Marl</topic><topic>Miocene</topic><topic>Nodules</topic><topic>Rivers</topic><topic>Sandstone</topic><topic>Sea currents</topic><topic>Seawater</topic><topic>Sediments</topic><topic>Silicon dioxide</topic><topic>Soil erosion</topic><topic>Streams</topic><topic>Subsidence</topic><topic>Tectonics</topic><topic>Water levels</topic><topic>Watercourses</topic><toplevel>online_resources</toplevel><creatorcontrib>Xeidakis, G S</creatorcontrib><creatorcontrib>Delimani, P</creatorcontrib><collection>Ecology Abstracts</collection><collection>Environment Abstracts</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest One Sustainability</collection><collection>ProQuest Central UK/Ireland</collection><collection>Agricultural & Environmental Science Collection</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Natural Science Collection</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>ProQuest Central Student</collection><collection>SciTech Premium Collection</collection><collection>Environmental Science Database</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>Environmental Science Collection</collection><collection>Environment Abstracts</collection><jtitle>WIT Transactions on Ecology and the Environment</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Xeidakis, G S</au><au>Delimani, P</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Coastal Erosion Problems In Northern Aegean Coastline, Greece. The Case Of The Rhodope Prefecture Coasts</atitle><jtitle>WIT Transactions on Ecology and the Environment</jtitle><date>2002-01-01</date><risdate>2002</risdate><volume>58</volume><issn>1746-448X</issn><eissn>1743-3541</eissn><abstract>Coastal erosion problems in Northern Aegean coastline, Greece. The case of the Rhodope Prefecture coasts G. S. Xeidakis and P. Delimani Department of Civil Engineering, Democritus University of Thrace, Xanthi, Greece. Abstract Approximately half of the world’s population are living or working in a narrow zone of a 100 km from the world coastlines. In this paper the erosion problems appearing in the central part of the Greek Thrace coastline (Rhodope Prefecture), are examined. The coastline studied is more than 100 km long and belongs to Xanthi-Komotini tectonic basin and is not well developed economically yet. From geomorphologic point of view the aforementioned coastal zone is principally a hilly area, consisting of Miocene, loose to semi-consolidated deposits (gravels, sands, silty-clays and conglomerates). This material is impregnated with CaC03 and/or SiO2. in various degrees, forming a caliche (calcrete) deposit at the lower part of the column. The impregnation material is increasing with depth forming nodules of CaC03 in the upper layers and turning to hard marl limestone or calcareous sandstone at greater depth. Small torrent deltas are built at the exits of valleys to the sea. The serious problems of the coastal erosion are concentrated principally to the upper, loose or semi consolidated part of the sedimentary column. The height of the coastal cliffs (bluffs) varies from one to 30 m and the rate of their retreat fluctuates from a few centimeters to 3 m/year. The causes of the coastal erosion is attributed to: (a) natural factors like sea waves and alongshore currents, subsidence of the broader area, increase of the sea water level, consistency of the material, etc. and (b) to human-induced changes e.g. regulation of water courses and construction of dams on the streams inland, which results in the depletion of sediments of the rivers’ waters; construction of inlets, jetties, breakwaters and seawalls at the coastline; human induced subsidence due to groundwater over pumping, etc.</abstract><cop>Southampton</cop><pub>W I T Press</pub><doi>10.2495/CENV020141</doi><oa>free_for_read</oa></addata></record> |
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| subjects | Basins Breakwaters Caliche Civil engineering Clay Cliffs Coastal erosion Coastal zone Coasts Conglomerates Construction Dam construction Deltas Depletion Environmental regulations Erosion mechanisms Fluvial sediments Forming Geomorphology Groundwater Human influences Inlets Inlets (topography) Jetties Limestone Marl Miocene Nodules Rivers Sandstone Sea currents Seawater Sediments Silicon dioxide Soil erosion Streams Subsidence Tectonics Water levels Watercourses |
| title | Coastal Erosion Problems In Northern Aegean Coastline, Greece. The Case Of The Rhodope Prefecture Coasts |
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