{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,4]],"date-time":"2026-05-04T10:50:06Z","timestamp":1777891806650,"version":"3.51.4"},"reference-count":18,"publisher":"MDPI AG","issue":"1","license":[{"start":{"date-parts":[[2014,1,14]],"date-time":"2014-01-14T00:00:00Z","timestamp":1389657600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/3.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IJGI"],"abstract":"<jats:p>A series of methodologies are described in this paper aiming to quantify the natural hazard due to the coastal changes at a deltaic fan. The coastline of Istiaia  (North Evia, Greece) has been chosen for this study as several areas of accretion and erosion have been identified during the past few decades. We combined different types of datasets, extracted from high resolution panchromatic aerial photographs and traced the contemporary shoreline by high accuracy surveying with Real Time Kinematics (RTK) GPS equipment. The interpretation of all shorelines required geo-statistical analysis in a Geographical Information System. A large number of high resolution morphological sections were constructed normally to the coast, revealing erosional and depositional parts of the beach. Retreating and extension rates were calculated for each section reaching the values of 0.98 m\/yr and 1.36 m\/yr, respectively. The results proved to be very accurate, allowing us to expand the developed methodology by using more complete  time-series of remote sensing datasets along with more frequent RTK-GPS surveying.<\/jats:p>","DOI":"10.3390\/ijgi3010018","type":"journal-article","created":{"date-parts":[[2014,1,14]],"date-time":"2014-01-14T11:21:38Z","timestamp":1389698498000},"page":"18-28","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":19,"title":["Quantification of Deltaic Coastal Zone Change Based on  Multi-Temporal High Resolution Earth Observation Techniques"],"prefix":"10.3390","volume":"3","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1175-3628","authenticated-orcid":false,"given":"Emmanuel","family":"Vassilakis","sequence":"first","affiliation":[{"name":"Department of Geography & Climatology, National & Kapodistrian University of Athens, Panepistimiopolis Zografou, Athens 15784, Greece"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kyriaki","family":"Papadopoulou-Vrynioti","sequence":"additional","affiliation":[{"name":"Department of Geography & Climatology, National & Kapodistrian University of Athens, Panepistimiopolis Zografou, Athens 15784, Greece"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2014,1,14]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"32","DOI":"10.1046\/j.1526-0984.2000.71001.x","article-title":"Monitoring beach morphology changes using small-format aerial photography and digital softcopy photogrammetry","volume":"7","author":"Hapke","year":"2000","journal-title":"Environ. Geosci."},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"451","DOI":"10.1016\/j.geomorph.2007.08.015","article-title":"Coastal hazard assessment and mapping in Northern Campania, Italy","volume":"97","author":"Donadio","year":"2008","journal-title":"Geomorphology"},{"key":"ref_3","unstructured":"Papadopoulou-Vrynioti, K., Tsagkas, D., and Mertzanis, A. (2013, January 24\u201328). Contributing Factors to the Occurrence of Landslide Phenomena and Geomorphological Changes at the NW of Evia Island (Greece). Proceedings of the 4th International Conference on Environmental, Management, Engineering, Planing and Economics, Mykonos, Greece."},{"key":"ref_4","doi-asserted-by":"crossref","first-page":"1516","DOI":"10.2112\/07-0861.1","article-title":"Monitoring sandy shores morphologies by dgps\u2014A practical tool to generate digital elevation models","volume":"24","author":"Baptista","year":"2008","journal-title":"J. Coast. 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Digital Shoreline Analysis System (DSAS) Version 4.0\u2014An ArcGIS Extension for Calculating Shoreline Change, US Geological Survey.","DOI":"10.3133\/ofr20081278"}],"container-title":["ISPRS International Journal of Geo-Information"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.mdpi.com\/2220-9964\/3\/1\/18\/pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,10,11]],"date-time":"2025-10-11T21:07:20Z","timestamp":1760216840000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.mdpi.com\/2220-9964\/3\/1\/18"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2014,1,14]]},"references-count":18,"journal-issue":{"issue":"1","published-online":{"date-parts":[[2014,3]]}},"alternative-id":["ijgi3010018"],"URL":"https:\/\/doi.org\/10.3390\/ijgi3010018","relation":{},"ISSN":["2220-9964"],"issn-type":[{"value":"2220-9964","type":"electronic"}],"subject":[],"published":{"date-parts":[[2014,1,14]]}}}