Personkort bilde

Helena Alexanderson

Geodiehtaga instituhtta
Norsk flaggikon Engelsk flaggikon

  • Fakolade, Richard O.; Ikhane, Philip R.; Zhao, Qiuyue; Hao, Qingzhen; Alexanderson, Helena; Guo, Zhengtang. Luminescence dating of holocene siliciclastic sediments in eastern Dahomey Basin, southwestern Nigeria. Quaternary International 2021; Volum 598. ISSN 1040-6182.s 90 - 96.s doi: 10.1016/j.quaint.2021.05.024.

  • Farnsworth, Wesley Randall; Allaart, Lis; Ingólfsson, Ólafur; Alexanderson, Helena; Forwick, Matthias; Noormets, Riko; Retelle, Michael J.; Schomacker, Anders. Holocene glacial history of Svalbard: Status, perspectives and challenges. Earth-Science Reviews 2020; Volum 208. ISSN 0012-8252.s 1 - 28.s doi: 10.1016/j.earscirev.2020.103249.

  • Kalińska, Edyta; Alexanderson, Helena; Krievāns, Māris. The Raunis section, central Latvia, revisited: first luminescence results and re-evaluation of a key Baltic States stratigraphic site. Geografiska Annaler: Series A, Physical Geography 2020; Volum 102 (4). ISSN 0435-3676.s 376 - 396.s doi: 10.1080/04353676.2020.1813982.

  • Goodship, Alastair; Alexanderson, Helena. Dynamics of a retreating ice sheet: a LiDAR study in Värmland, SW Sweden. GFF 2020; Volum 142 (4). ISSN 1103-5897.s 325 - 345.s doi: 10.1080/11035897.2020.1822437.

  • Doverbratt, Isa; Alexanderson, Helena. Transferring grains from single-grain luminescence discs to SEM specimen stubs. Methods and Protocols (MP) 2019; Volum 2 (4). ISSN 2409-9279.s doi: 10.3390/mps2040087.

  • Anjar, Johanna; Alexanderson, Helena; Larsen, Eiliv; Lyså, Astrid. OSL dating of Weichselian ice-free periods at Skorgenes, Western Norway. (Fulltekst: https://njg.geologi.no/images/NJG_articles/NJG_Vol98_Nr3_Art2_Anjar.pdf Norwegian Journal of Geology 2018; Volum 98 (3). ISSN 2387-5844.s 19 - 31.s doi: 10.17850/njg98-3-02.

  • Alexanderson, Helena; Henriksen, Mona; Ryen, Heidi Torgunrud; Landvik, Jon Y.; Peterson, Gustaf. 200 ka of glacial events in NW Svalbard: an emergence cycle facies model and regional correlations. Arktos 2018; Volum 4. ISSN 2364-9453.s doi: 10.1007/s41063-018-0037-z.

  • Alexanderson, Helena; Landvik, Jon Y.. Sediments of MIS 5e age suggested by new OSL dates from the Skilvika section, west Svalbard. Polar Research 2018; Volum 37. ISSN 0800-0395.s doi: 10.1080/17518369.2018.1503907.

  • Matthews, John A.; Alexanderson, Helena; Skoglund, Rannveig Øvrevik. Holocene storminess and climate change in Lofoten and Vesterålen, Northern Norway. Norsk Geografisk Tidsskrift 2016; Volum 70 (5). ISSN 0029-1951.s 316 - 317.s doi: 10.1080/00291951.2016.1236833.

  • Alexanderson, Helena; Henriksen, Mona. A short-lived aeolian event during the Early Holocene in southeastern Norway. Quaternary Geochronology 2015; Volum 30 (Part B). ISSN 1871-1014.s 175 - 180.s doi: 10.1016/j.quageo.2015.02.014.

  • Alexanderson, Helena; Ingólfsson, Ólafur; Murray, Andrew S.; Dudek, Justyna. An interglacial polar bear and an early Weichselian glaciation at Poolepynten, western Svalbard. Boreas 2013; Volum 42 (3). ISSN 0300-9483.s 532 - 543.s doi: 10.1111/j.1502-3885.2012.00289.x.

  • Alexanderson, Helena; Murray, Andrew S.. Problems and potential of OSL dating Weichselian and Holocene sediments in Sweden. Quaternary Science Reviews 2012; Volum 44. ISSN 0277-3791.s 37 - 50.s doi: 10.1016/j.quascirev.2009.09.020.

  • Alexanderson, Helena; Murray, Andrew S.. Luminescence signals from modern sediments in a glaciated bay, NW Svalbard. Quaternary Geochronology 2012; Volum 10. ISSN 1871-1014.s 250 - 256.s doi: 10.1016/j.quageo.2012.01.001.

  • Alexanderson, Helena; Landvik, Jon Y.; Ryen, Heidi T. Chronology and styles of glaciation in an inter-fjord setting, northwestern Svalbard. Boreas 2011; Volum 40 (1). ISSN 0300-9483.s 175 - 197.s doi: 10.1111/j.1502-3885.2010.00175.x.

  • Alexanderson, Helena; Landvik, Jon; Molodkov, Anatoly; Murray, Andrew S.. A multi-method approach to dating middle and late Quaternary high relative sea-level events on NW Svalbard - A case study. Quaternary Geochronology 2011; Volum 6 (3-4). ISSN 1871-1014.s 326 - 340.s doi: 10.1016/j.quageo.2011.04.001.

  • Alexanderson, Helena; Johnsen, Timothy; Murray, Andrew S. Re-dating the Pilgrimstad Interstadial with OSL: a warmer climate and a smaller ice sheet during the Swedish Middle Weichselian (MIS 3)?. (Omtale: http://dx.doi.org/10.1111/j.1502-3885.2009.00130.x) Boreas 2010; Volum 39 (2). ISSN 0300-9483.s 367 - 376.s doi: 10.1111/j.1502-3885.2009.00130.x.

  • Alexanderson, Helena. Sub-till glaciofluvial sediments at Hultsfred, South Swedish Upland. (Omtale: http://dx.doi.org/10.1080/11035897.2010.508134) GFF 2010; Volum 132 (3-4). ISSN 1103-5897.s 153 - 159.s doi: 10.1080/11035897.2010.508134.

  • Håkansson, Lena; Alexanderson, Helena; Hjort, Christian; Möller, Per; Briner, Jason; Aldahan, Ala; Possnert, Gøran. Late Pleistocene glacial history of Jameson Land, central East Greenland, derived from cosmogenic Be-10 and Al-26 exposure dating. (Omtale: http://dx.doi.org/doi:10.1111/j.1502-3885.2008.00064.x) Boreas 2009; Volum 38 (2). ISSN 0300-9483.s 244 - 260.s doi: 10.1111/j.1502-3885.2008.00064.x.

  • Johnsen, Timothy; Alexanderson, Helena; Fabel, Derek; Freeman, S.. NEW (BE)-B-10 COSMOGENIC AGES FROM THE VIMMERBY MORAINE CONFIRM THE TIMING OF SCANDINAVIAN ICE SHEET DEGLACIATION IN SOUTHERN SWEDEN. (Omtale: http://dx.doi.org/doi:10.1111/j.1468-0459.2009.00358.x) Geografiska Annaler: Series A, Physical Geography 2009; Volum 91A (2). ISSN 0435-3676.s 113 - 120.s doi: 10.1111/j.1468-0459.2009.00358.x.

  • Alexanderson, Helena; Eskola, Kari O; Helmens, Karin F. Optical Dating of a Late Quaternary Sediment Sequence from Sokli, Northern Finland. (Omtale: http://dx.doi.org/doi:10.2478/v10003-008-0022-9) Geochronometria 2008; Volum 32. ISSN 1733-8387.s 51 - 59.s doi: 10.2478/v10003-008-0022-9.

  • Henriksen, Mona; Alexanderson, Helena; Ryen, Heidi T.; Landvik, Jon Y.; Peterson, Gustaf. Facies model for a rebound cycle based on mid-late Quaternary sediments in the Kongsfjorden area, NW Svalbard. 33rd Nordic Geological Winter Meeting 2018-01-10 - 2018-01-12 2018.

  • Alexanderson, Helena; Henriksen, Mona; Ryen, Heidi T.; Landvik, Jon Y.; Peterson, Gustaf. A 200 ka glaciation history from NW Svalbard. 33rd Nordic Geological Winter Meeting 2018-01-10 - 2018-01-12 2018.

  • Henriksen, Mona; Alexanderson, Helena; Ryen, Heidi T.; Landvik, Jon Y.; Peterson, Gustaf. Non-glacial deposits key to the late Quaternary history of NW Svalbard. 5th international conference on Palaeo-Arctic Spatial and Temporal (PAST) Gateways 2017-05-22 - 2017-05-26 2017.

  • Das, Vikas Kumar; Ghosh, Anupam; Alexanderson, Helena; Henriksen, Mona; Landvik, Jon Y.; Ryen, Heidi T.. Palaeoenvironmental reconstructions of the Late Pleistocene deposits of (Northwestern) Spitsbergen, Svalbard – constraints from benthic foraminiferal records. 24th West Bengal State Science and Technology Congress 2017-02-28 - 2017-03-01 2017.

  • Ghosh, Anupam; Das, Vikas Kumar; Chatterjee, Debolina; Alexanderson, Helena; Henriksen, Mona; Landvik, Jon Y.; Ryen, Heidi T.. Palaeoenvironmental reconstructions of the Late Pleistocene deposits of (Northwestern) Spitsbergen, Svalbard – constraints from benthic foraminiferal records. North American Micropaleontological Society- Microfossils IV Conference 2017-04-05 - 2017-04-08 2017.

  • Alexanderson, Helena; Henriksen, Mona; Ryen, Heidi T.; Landvik, Jon Y.; Peterson, Gustaf. A 200 ka glaciation history from NW Svalbard. 5th international conference on Palaeo-Arctic Spatial and Temporal (PAST) Gateways 2017-05-22 - 2017-05-26 2017.

  • Das, Vikas Kumar; Ghosh, Anupam; Alexanderson, Helena; Henriksen, Mona; Landvik, Jon Y.; Ryen, Heidi Torgunrud. Palaeoenvironmental reconstructions of the Late Pleistocene deposits of Kongsfjorden in the Svalbard region, based on multiproxy approach. XIX INQUA Congress 2015-07-26 - 2015-08-02 2015.

  • Alexanderson, Helena; Bernhardson, Martin; Henriksen, Mona; Jakobsen, Leif Vidar; Shrestha, Rajendra. Inland dunes and cover sand in Southern Sweden and Norway – evidence of late glacial and historical aeolian activity. 31st Nordic Geological Winter Meeting 2014-01-08 - 2014-01-10 2014.

  • Alexanderson, Helena; Henriksen, Mona. A short-lived aeolian event during the Early Holocene in southern Norway. 14th International Conference on Luminescence and Electron Spin Resonance Dating 2014-07-07 - 2014-07-11 2014.

  • Henriksen, Mona; Alexanderson, Helena; Landvik, Jon Y.; Ryen, Heidi Torgunrud. Improved Late Quaternary stratigraphy and chronology in the Kongsfjorden area, NW Svalbard. PAST Gateways international conference and workshop 2014-05-19 - 2014-05-23 2014.

  • Landvik, Jon Y.; Henriksen, Mona; Alexanderson, Helena; Ingólfsson, Ólafur. Landscape imprints of changing glacial regimes during ice sheet build-up and decay: a study from Svalbard, Norwegian Arctic. AGU Fall Meeting 2013 2013-12-09 - 2013-12-12 2013.

  • Alexanderson, Helena; Henriksen, Mona; Ingólfsson, Ólafur; Landvik, Jon Y.. A revised glacial history of Svalbard. 'PAST Gateways' first international conference and workshop 2013-05-13 - 2013-05-17 2013.

  • Henriksen, Mona; Alexanderson, Helena; Landvik, Jon Y.; Linge, Henriette; Peterson, Gustaf. The Late Weichselian Kongsfjorden ice stream, NW Svalbard: surface exposure age constraints on ice dynamics and retreat. 'PAST Gateways' first international conference and workshop 2013-05-13 - 2013-05-17 2013.

  • Henriksen, Mona; Landvik, Jon Y.; Peterson, Gustaf; Alexanderson, Helena. New data on Late Weichselian ice stream configuration in Kongsfjorden, NW Svalbard. 30th Nordic Geological Winter Meeting 2012-01-09 - 2012-01-12 2012.

  • Henriksen, Mona; Landvik, Jon Y.; Peterson, Gustaf; Alexanderson, Helena. Exposure age constraints on the Late Weichselian ice stream configuration in Kongsfjorden, NW Svalbard. Nordic workshop on cosmogenic nuclide dating 2012-05-21 - 2012-05-22 2012.

  • Henriksen, Mona; Alexanderson, Helena; Ryen, Heidi T.; Landvik, Jon Y.; Peterson, Gustaf. Facies model for a rebound cycle based on mid-late Quaternary sediments in the Kongsfjorden area, NW Svalbard. 33rd Nordic Geological Winter Meeting 2018-01-10 - 2018-01-12 2018.

  • Alexanderson, Helena; Henriksen, Mona; Ryen, Heidi T.; Landvik, Jon Y.; Peterson, Gustaf. A 200 ka glaciation history from NW Svalbard. 33rd Nordic Geological Winter Meeting 2018-01-10 - 2018-01-12 2018.

  • Henriksen, Mona; Alexanderson, Helena; Ryen, Heidi T.; Landvik, Jon Y.; Peterson, Gustaf. Non-glacial deposits key to the late Quaternary history of NW Svalbard. 5th international conference on Palaeo-Arctic Spatial and Temporal (PAST) Gateways 2017-05-22 - 2017-05-26 2017.

  • Das, Vikas Kumar; Ghosh, Anupam; Alexanderson, Helena; Henriksen, Mona; Landvik, Jon Y.; Ryen, Heidi T.. Palaeoenvironmental reconstructions of the Late Pleistocene deposits of (Northwestern) Spitsbergen, Svalbard – constraints from benthic foraminiferal records. 24th West Bengal State Science and Technology Congress 2017-02-28 - 2017-03-01 2017.

  • Ghosh, Anupam; Das, Vikas Kumar; Chatterjee, Debolina; Alexanderson, Helena; Henriksen, Mona; Landvik, Jon Y.; Ryen, Heidi T.. Palaeoenvironmental reconstructions of the Late Pleistocene deposits of (Northwestern) Spitsbergen, Svalbard – constraints from benthic foraminiferal records. North American Micropaleontological Society- Microfossils IV Conference 2017-04-05 - 2017-04-08 2017.

  • Alexanderson, Helena; Henriksen, Mona; Ryen, Heidi T.; Landvik, Jon Y.; Peterson, Gustaf. A 200 ka glaciation history from NW Svalbard. 5th international conference on Palaeo-Arctic Spatial and Temporal (PAST) Gateways 2017-05-22 - 2017-05-26 2017.

  • Das, Vikas Kumar; Ghosh, Anupam; Alexanderson, Helena; Henriksen, Mona; Landvik, Jon Y.; Ryen, Heidi Torgunrud. Palaeoenvironmental reconstructions of the Late Pleistocene deposits of Kongsfjorden in the Svalbard region, based on multiproxy approach. XIX INQUA Congress 2015-07-26 - 2015-08-02 2015.

  • Alexanderson, Helena; Bernhardson, Martin; Henriksen, Mona; Jakobsen, Leif Vidar; Shrestha, Rajendra. Inland dunes and cover sand in Southern Sweden and Norway – evidence of late glacial and historical aeolian activity. 31st Nordic Geological Winter Meeting 2014-01-08 - 2014-01-10 2014.

  • Alexanderson, Helena; Henriksen, Mona. A short-lived aeolian event during the Early Holocene in southern Norway. 14th International Conference on Luminescence and Electron Spin Resonance Dating 2014-07-07 - 2014-07-11 2014.

  • Henriksen, Mona; Alexanderson, Helena; Landvik, Jon Y.; Ryen, Heidi Torgunrud. Improved Late Quaternary stratigraphy and chronology in the Kongsfjorden area, NW Svalbard. PAST Gateways international conference and workshop 2014-05-19 - 2014-05-23 2014.

  • Landvik, Jon Y.; Henriksen, Mona; Alexanderson, Helena; Ingólfsson, Ólafur. Landscape imprints of changing glacial regimes during ice sheet build-up and decay: a study from Svalbard, Norwegian Arctic. AGU Fall Meeting 2013 2013-12-09 - 2013-12-12 2013.

  • Alexanderson, Helena; Henriksen, Mona; Ingólfsson, Ólafur; Landvik, Jon Y.. A revised glacial history of Svalbard. 'PAST Gateways' first international conference and workshop 2013-05-13 - 2013-05-17 2013.

  • Henriksen, Mona; Alexanderson, Helena; Landvik, Jon Y.; Linge, Henriette; Peterson, Gustaf. The Late Weichselian Kongsfjorden ice stream, NW Svalbard: surface exposure age constraints on ice dynamics and retreat. 'PAST Gateways' first international conference and workshop 2013-05-13 - 2013-05-17 2013.

  • Henriksen, Mona; Landvik, Jon Y.; Peterson, Gustaf; Alexanderson, Helena. New data on Late Weichselian ice stream configuration in Kongsfjorden, NW Svalbard. 30th Nordic Geological Winter Meeting 2012-01-09 - 2012-01-12 2012.

  • Henriksen, Mona; Landvik, Jon Y.; Peterson, Gustaf; Alexanderson, Helena. Exposure age constraints on the Late Weichselian ice stream configuration in Kongsfjorden, NW Svalbard. Nordic workshop on cosmogenic nuclide dating 2012-05-21 - 2012-05-22 2012.

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