1 UNESCO. Operational Guidelines for the Implementation of the World Heritage Convention. (United Nations Educational, Scientific and Cultural Organization, 2012).
2 Reimann, L., Vafeidis, A. T., Brown, S., Hinkel, J. & Tol, R. S. J. Mediterranean UNESCO World Heritage at risk from coastal flooding and erosion due to sea-level rise. Nature Communications 9, doi:10.1038/s41467-018-06645-9 (2018).
3 Marzeion, B. & Levermann, A. Loss of cultural world heritage and currently inhabited places to sea-level rise. Environmental Research Letters 9, doi:10.1088/1748-9326/9/3/034001 (2014).
4 Dangendorf, S. et al. Persistent acceleration in global sea-level rise since the 1960s. Nature Climate Change 9, 705-710, doi:10.1038/s41558-019-0531-8 (2019).
5 Fasullo, J. T. & Nerem, R. S. Altimeter-era emergence of the patterns of forced sea-level rise in climate models and implications for the future. Proceedings of the National Academy of Sciences 115, 12944-12949, doi:10.1073/pnas.1813233115 (2018).
6 Slater, T., Hogg, A. E. & Mottram, R. Ice-sheet losses track high-end sea-level rise projections. Nature Climate Change 10, 879-881, doi:10.1038/s41558-020-0893-y (2020).
7 Bamber, J. L., Oppenheimer, M., Kopp, R. E., Aspinall, W. P. & Cooke, R. M. Ice sheet contributions to future sea-level rise from structured expert judgment. Proceedings of the National Academy of Sciences 116, 201817205, doi:10.1073/PNAS.1817205116 (2019).
8 Nicholls, R. J. et al. A global analysis of subsidence, relative sea-level change and coastal flood exposure. Nature Climate Change 11, 338-342, doi:10.1038/s41558-021-00993-z (2021).
9 Meucci, A., Young, I. R., Hemer, M., Kirezci, E. & Ranasinghe, R. Projected 21st century changes in extreme wind-wave events. Science Advances 6, eaaz7295, doi:10.1126/sciadv.aaz7295 (2020).
10 Bevacqua, E. et al. More meteorological events that drive compound coastal flooding are projected under climate change. Commun Earth Environ 1, 47, doi:10.1038/s43247-020-00044-z (2020).
11 Kirezci, E. et al. Projections of global-scale extreme sea levels and resulting episodic coastal flooding over the 21st Century. Scientific Reports 10, 11629, doi:10.1038/s41598-020-67736-6 (2020).
12 Vousdoukas, M. I. et al. Sandy coastlines under threat of erosion. Nature Climate Change 10, 260-263, doi:10.1038/s41558-020-0697-0 (2020).
13 Hinkel, J. et al. Coastal flood damage and adaptation costs under 21st century sea-level rise. Proceedings of the National Academy of Sciences 111, 3292-3297, doi:10.1073/pnas.1222469111 (2014).
14 Vousdoukas, M. I. et al. Economic motivation for raising coastal flood defenses in Europe. Nat Commun 11, 2119, doi:10.1038/s41467-020-15665-3 (2020).
15 Hauer, M. E., Evans, J. M. & Mishra, D. R. Millions projected to be at risk from sea-level rise in the continental United States. Nature Clim. Change 6, 691-695, doi:10.1038/nclimate2961 http://www.nature.com/nclimate/journal/v6/n7/abs/nclimate2961.html#supplementary-information (2016).
16 Fang, J. et al. Coastal flood risks in China through the 21st century - An application of DIVA. Sci Total Environ 704, 135311, doi:10.1016/j.scitotenv.2019.135311 (2020).
17 Brito, J. C. & Naia, M. Coping with Sea-Level Rise in African Protected Areas: Priorities for Action and Adaptation Measures. BioScience 70, 924-932, doi:10.1093/biosci/biaa087 (2020).
18 Sabour, S., Brown, S., Nicholls, R. J., Haigh, I. D. & Luijendijk, A. P. Multi-decadal shoreline change in coastal natural world heritage sites – a global assessment. Environmental Research Letters 15, doi:10.1088/1748-9326/ab968f (2020).
19 Beck, M. W. et al. The global flood protection savings provided by coral reefs. Nature Communications 9, 2186, doi:10.1038/s41467-018-04568-z (2018).
20 Frölicher, T. L., Fischer, E. M. & Gruber, N. Marine heatwaves under global warming. Nature 560, 360-364 (2018).
21 Jiang, L.-Q., Carter, B. R., Feely, R. A., Lauvset, S. K. & Olsen, A. Surface ocean pH and buffer capacity: past, present and future. Scientific Reports 9, 18624, doi:10.1038/s41598-019-55039-4 (2019).
22 Junk, W. J. et al. Current state of knowledge regarding the world’s wetlands and their future under global climate change: a synthesis. Aquatic Sciences 75, 151-167, doi:10.1007/s00027-012-0278-z (2013).
23 Mitchell, S. A. The status of wetlands, threats and the predicted effect of global climate change: the situation in Sub-Saharan Africa. Aquat. Sci. 75, 95-112, doi:10.1007/s00027-012-0259-2 (2013).
24 Armah, A., Wiafe, G. & Kpelle, D. in Climate change and Africa (ed PS Low) 204-217 (Cambridge University Press, Cambridge, 2005).
25 Hamerlynck, O., Duvail, S., Ould Messaoud, B. & Benmergui, M. in Coastal ecosystems of West-Africa: biological diversity conservation resources (ed JJ Symoens) 195-210 (FFRSA, 2005).
26 Duvail, S. & Hamerlynck, O. Mitigation of negative ecological and socio-economic impacts of the Diama dam on the Senegal River Delta wetland (Mauritania), using a model based decision support system. Hydrology and Earth System Sciences 7, 133-146, doi:10.5194/hess-7-133-2003 (2003).
27 Abdelaziz, M. & Elsayed, M. Underwater Photogrammetry Digital Surface Model (Dsm) of the Submerged Site of the Ancient Lighthouse near Qaitbay Fort in Alexandria, Egypt. The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLII-2/W10, 1-8, doi:10.5194/isprs-archives-XLII-2-W10-1-2019 (2019).
28 Haggag, M. in Hellenistic Alexandria: Celebrating 24 Centuries–Papers presented at the conference held on December 13–15 2017 at Acropolis Museum, Athens. (eds C.S. Zerefos & M.V. Vardinoyannis) 95 (Archaeopress Archaeology).
29 Green Climate Fund. 2019 Annual Performance Report for FP053: Enhancing climate change adaptation in the North coast and Nile Delta Regions in Egypt. (United Nations Development Programme, Cariro, Egypt, 2020).
30 Brooks, N., Clarke, J., Ngaruiya, G. W. & Wangui, E. E. African heritage in a changing climate. Azania: Archaeological Research in Africa 55, 297-328, doi:10.1080/0067270x.2020.1792177 (2020).
31 Aryee, V. A. & Apoh, W. Climate change and the mitigating tool of salvage archaeology: The case of the Fort Kongensten site at Ada Foah, Ghana. Legon Journal of the Humanities 29, 81-115, doi:10.4314/ljh.v29i2.4 (2018).
32 Aman, A. et al. Physical Forcing Induced Coastal Vulnerability along the Gulf of Guinea. Journal of Environmental Protection 10, 1194-1211, doi:10.4236/jep.2019.109071 (2019).
33 Mensah, C., Kabo-bah, A. T. & Mortey, E. Assessing The Effects Of Climate Change On Sea Level Rise Along The Gulf Of Guinea. Journal of Energy and Natural Resource Management (JENRM) 4, doi:10.26796/jenrm.v4i1.98 (2017).
34 UNESCO. Priority Africa: Sustainable Development and World Heritage. 21 (UNESCO, Paris, 2019).
35 Ekblom, A., Shoemaker, A., Gillson, L., Lane, P. & Lindholm, K.-J. Conservation through Biocultural Heritage—Examples from Sub-Saharan Africa. Land 8, 5 (2019).
36 Ndoro, W. & Chirikure, S. in Managing Heritage in Africa: Who Cares? (eds Webber Ndoro, Shadreck Chirikure, & Janette Deacon) 237-250 (Routledge, 2018).
37 Keitumetse, S. O. African Cultural Heritage Conservation and Management: Theory and Practice from Southern Africa. (Cham: Springer, 2016).
38 Dawson, T., Hambly, J., Kelley, A., Lees, W. & Miller, S. Coastal heritage, global climate change, public engagement, and citizen science. Proceedings of the National Academy of Sciences of the United States of America 117, 8280-8286, doi:10.1073/pnas.1912246117 (2020).
39 Rick, T. C. & Sandweiss, D. H. Archaeology, climate, and global change in the Age of Humans. Proceedings of the National Academy of Sciences of the United States of America 117, 8250-8253, doi:10.1073/pnas.2003612117 (2020).
40 Meinshausen, M. et al. The RCP greenhouse gas concentrations and their extensions from 1765 to 2300. Clim. Change 109, 213-241, doi:10.1007/s10584-011-0156-z (2011).
41 UNESCO. World Heritage Sites: World Heritage List, <https://whc.unesco.org/en/list/> (2020).
42 Ramsar Sites Information Service. Ramsar Sites and the List of Wetlands of International Importance, <https://rsis.ramsar.org/> (2020 ).
43 UNESCO. Convention on wetlands of International Importance especially as Waterfowl Habitat. 3 (The Ramsar Convention Secretariat, Gland, Switzerland, 1971).
44 Breen, C. Advocacy, international development and World Heritage Sites in sub-Saharan Africa. World Archaeology 39, 355-370, doi:10.1080/00438240701464772 (2007).
45 Howard, P. C. & Bertzky, B. Natural World Heritage in Africa: Progress and prospects. (BIOPAMA Programme, IUCN Regional Office for Eastern and Southern Africa (ESARO), 2020).
46 UNESCO. Tentative Heritage Lists of the United Nations Educational, Scientific and Cultural Organization, <https://whc.unesco.org/en/tentativelists/> (2020 ).
47 African Union. Member States of the African Union, <https://au.int/en/member_states/countryprofiles2> (2020).
48 IUCN & UNEP-WCMC. The World Database on Protected Areas (WDPA), <https://globil-panda.opendata.arcgis.com/datasets/61cde74cf99645b7b2c30212514ddae5_1?geometry=35.859%2C-88.664%2C-35.859%2C88.173> (2016).
49 Luo, L. et al. Google Earth as a Powerful Tool for Archaeological and Cultural Heritage Applications: A Review. Remote Sensing 10, 1558, doi:10.3390/rs10101558 (2018).
50 Kaimaris, D., Georgoula, O., Patias, P. & Stylianidis, E. Comparative analysis on the archaeological content of imagery from Google Earth. Journal of Cultural Heritage 12, 263-269, doi:https://doi.org/10.1016/j.culher.2010.12.007 (2011).
51 Luo, L. et al. Low-Cost Archaeological Investigation and Rapid Mapping of Ancient Stone Tidal Weirs in the Penghu Archipelago Using Google Earth. Sustainability 11, 4536, doi:10.3390/su11174536 (2019).
52 Google Earth Outreach. Creating Image Overlays in Google Earth Desktop, <https://www.google.com/earth/outreach/learn/creating-photos-image-overlays-in-google-earth/> (2020).
53 University of Pennsylvania. Historical maps: making map overlays tutorial, <https://guides.library.upenn.edu/historical_maps/mapoverlays> (2020).
54 Airbus. Copernicus DEM. Copernicus Digital Elevation Model. Product Handbook. (2020).
55 Vousdoukas, M. I. et al. Global probabilistic projections of extreme sea levels show intensification of coastal flood hazard. Nature Communications 9, 2360, doi:10.1038/s41467-018-04692-w (2018).
56 Mentaschi, L., Vousdoukas, M. I., Voukouvalas, E., Dosio, A. & Feyen, L. Global changes of extreme coastal wave energy fluxes triggered by intensified teleconnection patterns. Geophys. Res. Lett. 44, 2416-2426, doi:10.1002/2016GL072488 (2017).
57 Vousdoukas, M. I., Mentaschi, L., Voukouvalas, E., Verlaan, M. & Feyen, L. Extreme sea levels on the rise along Europe's coasts. Earth's Future 5, n/a-n/a, doi:10.1002/2016EF000505 (2017).
58 Hodges, K., Cobb, A. & Vidale, P. L. How Well Are Tropical Cyclones Represented in Reanalysis Datasets? Journal of Climate 30, 5243-5264, doi:10.1175/jcli-d-16-0557.1 (2017).
59 Knapp, K. R., Kruk, M. C., Levinson, D. H., Diamond, H. J. & Neumann, C. J. The International Best Track Archive for Climate Stewardship (IBTrACS). Bulletin of the American Meteorological Society 91, 363-376, doi:10.1175/2009bams2755.1 (2010).
60 Queffeulou, P. & Croizé-Fillon, D. Global altimeter SWH data set. (Laboratoire d’Océanographie Spatiale, IFREMER, 2014).
61 Carrere, L., Lyard, F., Cancet, M., Guillot, A. & Picot, N. in ESA Living Planet Conference.
62 Jevrejeva, S., Jackson, L. P., Riva, R. E. M., Grinsted, A. & Moore, J. C. Coastal sea level rise with warming above 2 °C. Proceedings of the National Academy of Sciences 113, 13342-13347, doi:10.1073/pnas.1605312113 (2016).
63 Muis, S., Verlaan, M., Winsemius, H. C., Aerts, J. C. J. H. & Ward, P. J. A global reanalysis of storm surges and extreme sea levels. Nature Communications 7, 11969, doi:10.1038/ncomms11969 (2016).
64 Vousdoukas, M. I. et al. Developments in large-scale coastal flood hazard mapping. Natural Hazards and Earth System Sciences 16, 1841-1853, doi:10.5194/nhess-16-1841-2016 (2016).
65 Neal, J. et al. Evaluating a new LISFLOOD-FP formulation with data from the summer 2007 floods in Tewkesbury, UK. Journal of Flood Risk Management 4, 88-95, doi:10.1111/j.1753-318X.2011.01093.x (2011).
66 Bates, P. D., Horritt, M. S. & Fewtrell, T. J. A simple inertial formulation of the shallow water equations for efficient two-dimensional flood inundation modelling. J. Hydrol. 387, 33-45, doi:http://dx.doi.org/10.1016/j.jhydrol.2010.03.027 (2010).
67 European Space Agency. ESA CCI Land Cover time-series v2.0.7 (1992 - 2015), <https://www.esa-landcover-cci.org/> (2010).
68 US Army Corps of Engineers. Coastal Engineering Manual. (U.S. Army Corps of Engineers, 2002).
69 Mentaschi, L. et al. Non-stationary Extreme Value Analysis: a simplified approach for Earth science applications. Hydrol. Earth Syst. Sci. Discuss. 2016, 1-38, doi:10.5194/hess-2016-65 (2016).
70 Mentaschi, L., Vousdoukas, M. I., Pekel, J.-F., Voukouvalas, E. & Feyen, L. Global long-term observations of coastal erosion and accretion. Scientific Reports 8, 12876, doi:10.1038/s41598-018-30904-w (2018).
71 Luijendijk, A. et al. The State of the World’s Beaches. Scientific Reports 8, 6641, doi:10.1038/s41598-018-24630-6 (2018).
72 Hartmann, J. & Moosdorf, N. The new global lithological map database GLiM: A representation of rock properties at the Earth surface. Geochemistry, Geophysics, Geosystems 13, doi:10.1029/2012gc004370 (2012).