{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,14]],"date-time":"2026-04-14T03:07:12Z","timestamp":1776136032055,"version":"3.50.1"},"reference-count":104,"publisher":"MDPI AG","issue":"23","license":[{"start":{"date-parts":[[2021,12,4]],"date-time":"2021-12-04T00:00:00Z","timestamp":1638576000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Ministry of Research, Innovation and Digitization - Romania, CNCS\/CCCDI \u2013 UEFISCDI","award":["CNFIS-FDI-2021-0501"],"award-info":[{"award-number":["CNFIS-FDI-2021-0501"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Remote Sensing"],"abstract":"<jats:p>In this study, an alternative solution for flood risk management in complex cross-border regions is presented. In these cases, due to different flood risk management legislative approaches, there is a lack of joint cooperation between the involved countries. As a main consequence, LiDAR-derived digital elevation models and accurate flood hazard maps obtained by means of hydrological and hydraulic modeling are missing or are incomplete. This is also the case for the Prut River, which acts as a natural boundary between European Union (EU) member Romania and non-EU countries Ukraine and Republic of Moldova. Here, flood hazard maps were developed under the European Floods Directive (2007\/60\/EC) only for the Romanian territory and only for the 1% exceeding probability (respectively floods that can occur once every 100 years). For this reason, in order to improve the flood hazard management in the area and consider all cross-border territories, a fully remote sensing approach was considered. Using open-source SAR Sentinel-1 and Sentinel-2 data characterized by an improved temporal resolution, we managed to capture the maximum spatial extent of a flood event that took place in the aforementioned river sector (middle Prut River course) during the 24 and 27 June 2020. Moreover, by means of flood frequency analysis, the development of a transboundary flood hazard map with an assigned probability, specific to the maximum flow rate recorded during the event, was realized.<\/jats:p>","DOI":"10.3390\/rs13234934","type":"journal-article","created":{"date-parts":[[2021,12,6]],"date-time":"2021-12-06T03:10:38Z","timestamp":1638760238000},"page":"4934","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":9,"title":["Managing Flood Hazard in a Complex Cross-Border Region Using Sentinel-1 SAR and Sentinel-2 Optical Data: A Case Study from Prut River Basin (NE Romania)"],"prefix":"10.3390","volume":"13","author":[{"given":"C\u0103t\u0103lin I.","family":"C\u00eempianu","sequence":"first","affiliation":[{"name":"Department of Geography, Faculty of Geography and Geology, \u201cAlexandru Ioan Cuza\u201d University of Ia\u015fi, Bd. Carol I 20A, 700505 Ia\u015fi, Romania"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1686-9558","authenticated-orcid":false,"given":"Alin","family":"Mihu-Pintilie","sequence":"additional","affiliation":[{"name":"Department of Exact and Natural Sciences, Institute of Interdisciplinary Research, \u201cAlexandru Ioan Cuza\u201d University of Ia\u015fi, St. Lasc\u0103r Catargi 54, 700107 Ia\u015fi, Romania"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8852-2724","authenticated-orcid":false,"given":"Cristian C.","family":"Stoleriu","sequence":"additional","affiliation":[{"name":"Department of Geography, Faculty of Geography and Geology, \u201cAlexandru Ioan Cuza\u201d University of Ia\u015fi, Bd. Carol I 20A, 700505 Ia\u015fi, Romania"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8775-7932","authenticated-orcid":false,"given":"Andrei","family":"Urzic\u0103","sequence":"additional","affiliation":[{"name":"Department of Geography, Faculty of Geography and Geology, \u201cAlexandru Ioan Cuza\u201d University of Ia\u015fi, Bd. Carol I 20A, 700505 Ia\u015fi, Romania"}]},{"given":"Elena","family":"Hu\u0163anu","sequence":"additional","affiliation":[{"name":"Department of Geography, Faculty of Geography and Geology, \u201cAlexandru Ioan Cuza\u201d University of Ia\u015fi, Bd. 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