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Assessment of water-induced soil erosion as a threat to cultural heritage sites:the case of Chania prefecture,Crete Island,Greece

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Big Earth Data 2022年第4期6卷 561-579页

作者： Christos Polykretis Dimitrios D.Alexakis Manolis G.Grillakis Athos Agapiou Branka Cuca Nikos Papadopoulos Apostolos Sarris laboratory of Geophysical-Satellite Remote Sensing and Archaeo-environment(geosat research) Institute for Mediterranean StudiesFoundation for Research and Technology-HellasCreteGreece School of Environmental Engineering Technical University of CreteChaniaCreteGreece Department of Civil Engineering and Geomatics Cyprus University of TechnologyLimassolCyprus Department of Architecture Built Environment and Construction EngineeringMilanItaly Digital Humanities Geoinformatics lab Archaeological Research UnitDepartment of History and ArchaeologyUniversity of CyprusNicosiaCyprus

Among the environmental threats,the intensification of natural hazards,such as soil erosion may threaten the integrity and value of cultural heritage *** this framework,the present study’s main objective was to identify archaeological sites susceptible by soil erosion,taking the case study of Chania prefecture in Crete *** sensed and other available geospatial datasets were analyzed in a GIS-based empirical model,namely Unit Stream Power Erosion and Deposition(USPED),to estimate the average annual soil loss and deposition rates due to waterinduced erosion in the study *** resultant erosion map was then intersected with the locations and surrounding zones of the known archaeological sites for identifying the sites and the portions of their vicinity being at *** results revealed that Chania prefecture and its cultural heritage are significantly affected by both soil loss and deposition *** the two processes,soil loss was found to be more intensive,influencing a larger part of the prefecture(especially to the west)as well as a higher amount of archaeological *** extreme and high soil loss classes were also detected to cover the most considerable portion of the sites’surrounding *** identification of the archaeological sites being most exposed to soil erosion hazard can constitute a basis for cultural heritage managers in order to take preventive preserva-tion measures and develop specific risk mitigation strategies.

关键词： Cultural heritage soil erosion USPED model GIS Crete

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Integrated Assessment of Natural Hazards, Including Climate Change’s Influences, for Cultural Heritage Sites: The Case of the Historic Centre of Rethymno in Greece

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International Journal of Disaster Risk Science 2019年第3期10卷 343-361页

作者： Mohammad Ravankhah Rosmarie de Wit Athanasios V.Argyriou Angelos Chliaoutakis Maria Joao Revez Joern Birkmann Maja Zuvela-Aloise Apostolos Sarris Anastasia Tzigounaki Kostas Giapitsoglou Institute of Spatial and Regional Planning(IREUS-Institut fur Raumordnung und Entwicklungsplanung) University of Stuttgart70174 StuttgartGermany Central Institution for Meteorology and Geodynamics(ZAMG-Zentralanstalt fur Meteorologie und Geodynamik) 1190 ViennaAustria geosat research lab IMS-ORTH(Geophysical-SatelliteRemote Sensing and Archaeoenvironment LabInstitute for Mediterranean Studies-Foundation for Research and TechnologyHellas)74100 RethymnoGreece Nova Conservacao S.A.1200-872LisbonPortugal The Archaeological research Unit Department of Historyand ArchaeologyUniversity of Cyprus1678 NicosiaCyprus Ephorate of Antiquities of Rethymno 74100 RethymnoGreece

Within the framework of disaster risk management, this article proposes an interdisciplinary method for the analysis of multiple natural hazards, including climate change’s influences, in the context of cultural heritage. A taxonomy of natural hazards applicable to cultural heritage was developed based on the existing theoretical and conceptual frameworks. Sudden-onset hazards, such as earthquakes and floods, and slow-onset hazards, such as wetting–drying cycles and biological contamination, were incorporated into the hazard assessment procedure. Future alteration of conditions due to climate change, such as change in heat waves’ duration, was also taken into account. The proposed hazard assessment framework was applied to the case of the Historic Centre of Rethymno, a city on the northern coast of the island of Crete in Greece,to identify, analyze, and prioritize the hazards that have the potential to cause damage to the center’s historic structures. The assessment procedure includes climate model projections, GIS spatial modeling and mapping, and finally a hazard analysis matrix to enable the sharing of a better understanding of multiple hazards with the *** results can facilitate decision making by providing the vulnerability and risk analysis with the nature and spatial distribution of the significant hazards within the study area and its setting.

关键词： Climate change analysis Crete Cultural heritage protection Greece Hazard assessment Historic centre of Rethymno Risk assessment

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