publication . Article . 2017

Postglacial relative sea-level changes in northwest Iceland: evidence from isolation basins, coastal lowland sediments and raised shorelines

Brader, MD; Lloyd, JM; Barlow, NLM; Norðdahl, H; Bentley, MJ; Newton, AJ;
Open Access English
  • Published: 01 Aug 2017
  • Publisher: Elsevier
  • Country: United Kingdom
Abstract
Relative sea-level (RSL) data can provide valuable constraints on land uplift associated with former ice loading and can therefore be used to differentiate between contrasting ice unloading scenarios. Within this study, isolation basin, coastal lowland and geomorphological evidence is employed to reconstruct RSL changes in northwest (NW) Iceland, which may have experienced contrasting uplift patterns. Under local (NW) uplift, highest RSL would be expected in central Vestfirðir, whereas highest RSL would be closest to the main ice-loading centre under regional (central Iceland) uplift. In total, four new RSL records are presented based on 16 sea-level index point...
78 references, page 1 of 6

Admiralty Tide Tables, 2006. Admiralty Tide Tables e Europe (Excluding United Kingdom and Ireland, Mediterranean Sea and Atlantic Ocean Volume 2. Taunton, UK, United Kingdom Hydrographic Office.

Andrews, J.T., 1970. A Geomorphological Study of Postglacial Uplift, with Particular Reference to Arctic Canada. Institute of British Geographers. Special Publication No 2 London 156pp.

Andrews, J.T., Hardardottir, J., Helgadottir, G., Jennings, A.E., Geirsdottir, A., Sveinbjo€rnsdottir, A.E., Schoolfield, S., Kristjansdottir, G.B., Smith, L.M., Thors, K., Syvitski, J.P.M., 2000. The N and W Iceland Shelf, insights into Last Glacial Maximum ice extent and deglaciation based on acoustic stratigraphy and basal radiocarbon AMS dates. Quat. Sci. Rev. 19, 619e631.

Balascio, N.L., Zhang, Z., Bradley, R.S., Perren, B., Dahl, S.O., Bakke, J., 2011. A multiproxy approach to assessing isolation basins stratigraphy from the Lofoten Islands, Norway. Quat. Res. 75 (1), 288e300.

Barðarson, G.B., 1906. Purpura lapillus L. i haevede lag paa Nordkysten av Island. Vidensk. Meddelelser fra Dan. naturhistorisk Foren. 58, 177e185.

Barðarson, G.B., 1910a. Maerker efter Klima og Niveauforandringer ved Húnafloi i Nord-Island. Vidensk. Meddelelser fra Dan. naturhistorisk Foren. 62, 35e79.

Barðarson, G.B., 1910b. Traces of changes of climate and level at Húnafloi, N-Iceland, Postglaziale Klimaver€anderungen. Int. Geol. Kongr. Stockh. 347-335.

Boulton, G.S., Jarvis, J., Thors, K., 1988. Dispersal of glacially derived sediment over part of the continental shelf of south Iceland and the geometry of resultant sediment bodies. Mar. Geol. 83, 193e223.

Brader, M.D., Lloyd, J.M., Bentley, M.J., Newton, A.J., 2015. Lateglacial to Holocene relative sea-level changes at Stykkisholmur, northern Snaefellsnes, Iceland. J. Quat. Sci. 30 (5), 497e507. [OpenAIRE]

Brun, J., 1965. Diatomees des Alpes et du Jura. Asher and Co, Amsterdam.

Brynjolfsson, S., Schomacker, A., Guðmundsdottir, E.R., Ingolfsson, O., 2015. A 300- year surge history of the Drangajo€kull ice cap, northwest Iceland, and its maximum during the 'Little Ice Age'. Holocene. http://dx.doi.org/10.1177/ 0959683615576232. [OpenAIRE]

Clarke, G.K.C., Bush, A.B.G., Bush, J.W.M., 2009. Freshwater discharge, sediment transport and modelled climate impacts of the final drainage of Glacial Lake Agassiz. J. Clim. 22, 2161e2180.

Corner, G.D., Yevzerov, V.Y., Kolka, V.V., Møller, J.J., 1999. Isolation basin stratigraphy and Holocene relative sea-level change at the Norwegian-Russian border north of Nikel, northwest Russia. Boreas 28, 146e166. [OpenAIRE]

Dickson, B., Yashayaev, I., Meincke, J., Turrell, B., Dye, S., Holfort, J., 2002. Rapid freshening of the deep North Atlantic Ocean over the past four decades. Nature 416, 832e837. [OpenAIRE]

Egloff, J., Johnson, G.L., 1979. Erosional and depositional structures of the Southwest Iceland insular margin, thirteen geophysical profiles. In: Watkins, J.S., Montadert, L., Dickerson, P.W. (Eds.), Geological and Geophysical Investigations of Continental Margins. AAPG, Tulsa, OK, pp. 43e63.

78 references, page 1 of 6
Abstract
Relative sea-level (RSL) data can provide valuable constraints on land uplift associated with former ice loading and can therefore be used to differentiate between contrasting ice unloading scenarios. Within this study, isolation basin, coastal lowland and geomorphological evidence is employed to reconstruct RSL changes in northwest (NW) Iceland, which may have experienced contrasting uplift patterns. Under local (NW) uplift, highest RSL would be expected in central Vestfirðir, whereas highest RSL would be closest to the main ice-loading centre under regional (central Iceland) uplift. In total, four new RSL records are presented based on 16 sea-level index point...
78 references, page 1 of 6

Admiralty Tide Tables, 2006. Admiralty Tide Tables e Europe (Excluding United Kingdom and Ireland, Mediterranean Sea and Atlantic Ocean Volume 2. Taunton, UK, United Kingdom Hydrographic Office.

Andrews, J.T., 1970. A Geomorphological Study of Postglacial Uplift, with Particular Reference to Arctic Canada. Institute of British Geographers. Special Publication No 2 London 156pp.

Andrews, J.T., Hardardottir, J., Helgadottir, G., Jennings, A.E., Geirsdottir, A., Sveinbjo€rnsdottir, A.E., Schoolfield, S., Kristjansdottir, G.B., Smith, L.M., Thors, K., Syvitski, J.P.M., 2000. The N and W Iceland Shelf, insights into Last Glacial Maximum ice extent and deglaciation based on acoustic stratigraphy and basal radiocarbon AMS dates. Quat. Sci. Rev. 19, 619e631.

Balascio, N.L., Zhang, Z., Bradley, R.S., Perren, B., Dahl, S.O., Bakke, J., 2011. A multiproxy approach to assessing isolation basins stratigraphy from the Lofoten Islands, Norway. Quat. Res. 75 (1), 288e300.

Barðarson, G.B., 1906. Purpura lapillus L. i haevede lag paa Nordkysten av Island. Vidensk. Meddelelser fra Dan. naturhistorisk Foren. 58, 177e185.

Barðarson, G.B., 1910a. Maerker efter Klima og Niveauforandringer ved Húnafloi i Nord-Island. Vidensk. Meddelelser fra Dan. naturhistorisk Foren. 62, 35e79.

Barðarson, G.B., 1910b. Traces of changes of climate and level at Húnafloi, N-Iceland, Postglaziale Klimaver€anderungen. Int. Geol. Kongr. Stockh. 347-335.

Boulton, G.S., Jarvis, J., Thors, K., 1988. Dispersal of glacially derived sediment over part of the continental shelf of south Iceland and the geometry of resultant sediment bodies. Mar. Geol. 83, 193e223.

Brader, M.D., Lloyd, J.M., Bentley, M.J., Newton, A.J., 2015. Lateglacial to Holocene relative sea-level changes at Stykkisholmur, northern Snaefellsnes, Iceland. J. Quat. Sci. 30 (5), 497e507. [OpenAIRE]

Brun, J., 1965. Diatomees des Alpes et du Jura. Asher and Co, Amsterdam.

Brynjolfsson, S., Schomacker, A., Guðmundsdottir, E.R., Ingolfsson, O., 2015. A 300- year surge history of the Drangajo€kull ice cap, northwest Iceland, and its maximum during the 'Little Ice Age'. Holocene. http://dx.doi.org/10.1177/ 0959683615576232. [OpenAIRE]

Clarke, G.K.C., Bush, A.B.G., Bush, J.W.M., 2009. Freshwater discharge, sediment transport and modelled climate impacts of the final drainage of Glacial Lake Agassiz. J. Clim. 22, 2161e2180.

Corner, G.D., Yevzerov, V.Y., Kolka, V.V., Møller, J.J., 1999. Isolation basin stratigraphy and Holocene relative sea-level change at the Norwegian-Russian border north of Nikel, northwest Russia. Boreas 28, 146e166. [OpenAIRE]

Dickson, B., Yashayaev, I., Meincke, J., Turrell, B., Dye, S., Holfort, J., 2002. Rapid freshening of the deep North Atlantic Ocean over the past four decades. Nature 416, 832e837. [OpenAIRE]

Egloff, J., Johnson, G.L., 1979. Erosional and depositional structures of the Southwest Iceland insular margin, thirteen geophysical profiles. In: Watkins, J.S., Montadert, L., Dickerson, P.W. (Eds.), Geological and Geophysical Investigations of Continental Margins. AAPG, Tulsa, OK, pp. 43e63.

78 references, page 1 of 6
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