New fjords, new coasts, new landscapes: The geomorphology of paraglacial coasts formed after recent glacier retreat in Brepollen (Hornsund, southern Svalbard)
Changes in the properties and dynamics of tidewater glacier systems are key indicators of the state of Arctic climate and environment. Calving of tidewater glacier fronts is currently the dominant form of ice mass loss and a major contributor to global sea‐level rise. An important yet under‐studied...
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| Veröffentlicht in: | Earth surface processes and landforms 2020-04, Vol.45 (5), p.1325-1334 |
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| creator | Strzelecki, Mateusz C. Szczuciński, Witold Dominiczak, Aleksander Zagórski, Piotr Dudek, Justyna Knight, Jasper |
| description | Changes in the properties and dynamics of tidewater glacier systems are key indicators of the state of Arctic climate and environment. Calving of tidewater glacier fronts is currently the dominant form of ice mass loss and a major contributor to global sea‐level rise. An important yet under‐studied aspect of this process is transformation of Arctic landscapes, where new lands and coastal systems are revealed due to the recession of marine‐terminating ice masses. The evolution of those freshly exposed paraglacial coastal environments is controlled by nearshore marine, coastal and terrestrial geomorphic processes, which rework glacial‐derived sediments to create new coastal paraglacial landforms and landscapes. Here, we present the first study of the paraglacial coasts of Brepollen, one of the youngest bays of Svalbard revealed by ice retreat. We describe and classify coastal systems and the variety of landforms (deltas, cliffs, tidal flats, beaches) developed along the shores of Brepollen during the last 100 years. We further discuss the main modes of sediment supply to the coast in different parts of the new bay, highlighting the fast rate of coastal transformation as a paraglacial response to rapid deglaciation in the Arctic. This study provides an exemplar of likely coastal responses to be anticipated in similar tidewater settings under future climate change. © 2020 The Authors. Earth Surface Processes and Landforms published by John Wiley & Sons Ltd
Paraglacial coastal systems in Brepollen‐ new bay in southern part of Svalbard formed after post‐ Little Ice Age glacier retreat. |
| doi_str_mv | 10.1002/esp.4819 |
| format | Article |
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Paraglacial coastal systems in Brepollen‐ new bay in southern part of Svalbard formed after post‐ Little Ice Age glacier retreat.</description><subject>Arctic climates</subject><subject>Arctic environments</subject><subject>Cliffs</subject><subject>Climate change</subject><subject>Coastal environments</subject><subject>Coastal geomorphology</subject><subject>Coastal processes</subject><subject>Coastal zones</subject><subject>Coasts</subject><subject>Deglaciation</subject><subject>Deltas</subject><subject>Earth surface</subject><subject>Fjords</subject><subject>Fronts</subject><subject>Future climates</subject><subject>Geography, Physical</subject><subject>Geology</subject><subject>Geomorphology</subject><subject>Geosciences, Multidisciplinary</subject><subject>Glacier fronts</subject><subject>Glacier retreat</subject><subject>Glaciers</subject><subject>Global sea level</subject><subject>Ice</subject><subject>Ice calving</subject><subject>Ice environments</subject><subject>Ice formation</subject><subject>Landforms</subject><subject>Landscape</subject><subject>landscape change</subject><subject>Meltwater</subject><subject>New records</subject><subject>paraglacial</subject><subject>Physical Geography</subject><subject>Physical Sciences</subject><subject>Science & Technology</subject><subject>Sea level</subject><subject>Sea level rise</subject><subject>sediment supply</subject><subject>Sediments</subject><subject>Shores</subject><subject>Tidal flats</subject><subject>Tidewater</subject><subject>tidewater glaciers</subject><issn>0197-9337</issn><issn>1096-9837</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>24P</sourceid><sourceid>WIN</sourceid><sourceid>AOWDO</sourceid><recordid>eNqNkFFrFDEUhYMouFbBnxDwpWKnTWYyk4lvdalWKFVofR7uZG52Z8kmY5Kx7J_xtzbdXXwTSh5yLnwn9-QQ8p6zc85YeYFxOhctVy_IgjPVFKqt5EuyYFzJQlWVfE3exLhhjHPRqgX5e4sP1Gx8GOIZdVlrDzEdtQU3RA0Txs_0fo10hX7rw7T21q921Bs6QYCVBT2CPRqp8WGLAwWTMNCAGl2ie2Q_poCQ6Ojol4CTtxYdPb32wcXZDWc0-jmtMTh69wdsD2H4-Ja8MmAjvjveJ-TX16v75XVx8-Pb9-XlTQFVzVTBa1H3Gsq-GnrNKlnKgRvGQfSNVqxlRpS9Eshqg4OEGoWuhFZ13TSyBZBYnZAPh3en4H_PGFO38XNweWVXVq2QTdu0PFOnB0oHH2NA001h3ELYdZx1T-13uf3uqf2Mtgf0AXtvYv6-0_gPZ4zVPJ-yzIrx5Zggjd4t_exStn56vjXTxZEeLe7-G6i7uvu5D_YI8MupGQ</recordid><startdate>202004</startdate><enddate>202004</enddate><creator>Strzelecki, Mateusz C.</creator><creator>Szczuciński, Witold</creator><creator>Dominiczak, Aleksander</creator><creator>Zagórski, Piotr</creator><creator>Dudek, Justyna</creator><creator>Knight, Jasper</creator><general>Wiley</general><general>Wiley Subscription Services, Inc</general><scope>24P</scope><scope>WIN</scope><scope>AOWDO</scope><scope>BLEPL</scope><scope>DTL</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7TG</scope><scope>7UA</scope><scope>8FD</scope><scope>C1K</scope><scope>F1W</scope><scope>FR3</scope><scope>H96</scope><scope>KL.</scope><scope>KR7</scope><scope>L.G</scope><orcidid>https://orcid.org/0000-0003-0479-3565</orcidid><orcidid>https://orcid.org/0000-0003-2035-9056</orcidid><orcidid>https://orcid.org/0000-0003-2466-2263</orcidid><orcidid>https://orcid.org/0000-0002-6086-0470</orcidid><orcidid>https://orcid.org/0000-0001-5252-7435</orcidid><orcidid>https://orcid.org/0000-0001-6233-5381</orcidid></search><sort><creationdate>202004</creationdate><title>New fjords, new coasts, new landscapes: The geomorphology of paraglacial coasts formed after recent glacier retreat in Brepollen (Hornsund, southern Svalbard)</title><author>Strzelecki, Mateusz C. ; 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Calving of tidewater glacier fronts is currently the dominant form of ice mass loss and a major contributor to global sea‐level rise. An important yet under‐studied aspect of this process is transformation of Arctic landscapes, where new lands and coastal systems are revealed due to the recession of marine‐terminating ice masses. The evolution of those freshly exposed paraglacial coastal environments is controlled by nearshore marine, coastal and terrestrial geomorphic processes, which rework glacial‐derived sediments to create new coastal paraglacial landforms and landscapes. Here, we present the first study of the paraglacial coasts of Brepollen, one of the youngest bays of Svalbard revealed by ice retreat. We describe and classify coastal systems and the variety of landforms (deltas, cliffs, tidal flats, beaches) developed along the shores of Brepollen during the last 100 years. We further discuss the main modes of sediment supply to the coast in different parts of the new bay, highlighting the fast rate of coastal transformation as a paraglacial response to rapid deglaciation in the Arctic. This study provides an exemplar of likely coastal responses to be anticipated in similar tidewater settings under future climate change. © 2020 The Authors. Earth Surface Processes and Landforms published by John Wiley & Sons Ltd
Paraglacial coastal systems in Brepollen‐ new bay in southern part of Svalbard formed after post‐ Little Ice Age glacier retreat.</abstract><cop>HOBOKEN</cop><pub>Wiley</pub><doi>10.1002/esp.4819</doi><tpages>10</tpages><orcidid>https://orcid.org/0000-0003-0479-3565</orcidid><orcidid>https://orcid.org/0000-0003-2035-9056</orcidid><orcidid>https://orcid.org/0000-0003-2466-2263</orcidid><orcidid>https://orcid.org/0000-0002-6086-0470</orcidid><orcidid>https://orcid.org/0000-0001-5252-7435</orcidid><orcidid>https://orcid.org/0000-0001-6233-5381</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Arctic climates Arctic environments Cliffs Climate change Coastal environments Coastal geomorphology Coastal processes Coastal zones Coasts Deglaciation Deltas Earth surface Fjords Fronts Future climates Geography, Physical Geology Geomorphology Geosciences, Multidisciplinary Glacier fronts Glacier retreat Glaciers Global sea level Ice Ice calving Ice environments Ice formation Landforms Landscape landscape change Meltwater New records paraglacial Physical Geography Physical Sciences Science & Technology Sea level Sea level rise sediment supply Sediments Shores Tidal flats Tidewater tidewater glaciers |
| title | New fjords, new coasts, new landscapes: The geomorphology of paraglacial coasts formed after recent glacier retreat in Brepollen (Hornsund, southern Svalbard) |
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