Search Results - "Guðmundsdóttir, Esther Ruth"

Hekla 1947, 1845, 1510 and 1158 tephra in Finland: challenges of tracing tephra from moderate eruptions by Kalliokoski, Maarit, Guðmundsdóttir, Esther Ruth, Wastegård, Stefan

“…ABSTRACT Several cryptotephra layers that originate from Icelandic volcanic eruptions with a volcanic explosivity index (VEI) of ≤ 4 and tephra volumes of < 1…”
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A 300-year surge history of the Drangajökull ice cap, northwest Iceland, and its maximum during the ‘Little Ice Age’ by Brynjólfsson, Skafti, Schomacker, Anders, Guðmundsdóttir, Esther Ruth, Ingólfsson, Ólafur

“…Over the last 300 years, each of the three surge-type outlet glaciers of the Drangajökull ice cap in northwest Iceland has surged 2–4 times. There is valuable…”
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A new high-resolution Holocene tephra stratigraphy in eastern Iceland: Improving the Icelandic and North Atlantic tephrochronology by Gudmundsdóttir, Esther Ruth, Larsen, Gudrún, Björck, Svante, Ingólfsson, Ólafur, Striberger, Johan

“…A new and improved Holocene tephra stratigraphy and tephrochronological framework for eastern and northern Iceland is presented. Investigations of a sediment…”
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Identification and definition of primary and reworked tephra in Late Glacial and Holocene marine shelf sediments off North Iceland by Gudmundsdóttir, Esther Ruth, Eiríksson, Jón, Larsen, Gudrún

“…Nine tephra layers in marine sediment cores (MD99‐2271 and MD99‐2275) from the North Icelandic shelf, spanning the Late Glacial and the Holocene, have been…”
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Ancient sedimentary DNA shows rapid post-glacial colonisation of Iceland followed by relatively stable vegetation until the Norse settlement (Landnám) AD 870 by Alsos, Inger Greve, Lammers, Youri, Kjellman, Sofia E., Merkel, Marie Kristine Føreid, Bender, Emma M., Rouillard, Alexandra, Erlendsson, Egill, Guðmundsdóttir, Esther Ruth, Benediktsson, Ívar Örn, Farnsworth, Wesley R., Brynjólfsson, Skafti, Gísladóttir, Guðrún, Eddudóttir, Sigrún Dögg, Schomacker, Anders

“…Understanding patterns of colonisation is important for explaining both the distribution of single species and anticipating how ecosystems may respond to…”
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Holocene tephrostratigraphy in Vestfirðir, NW Iceland by Gudmundsdóttir, Esther Ruth, Schomacker, Anders, Brynjólfsson, Skafti, Ingólfsson, Ólafur, Larsen, Nicolaj K.

“…ABSTRACT We present a tephra stratigraphical and tephrochronological record from eight lakes in Vestfirðir, NW Iceland. About 50 tephra units have been…”
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The Drangajökull ice cap, northwest Iceland, persisted into the early-mid Holocene by Schomacker, Anders, Brynjólfsson, Skafti, Andreassen, Julie M., Gudmundsdóttir, Esther Ruth, Olsen, Jesper, Odgaard, Bent V., Håkansson, Lena, Ingólfsson, Ólafur, Larsen, Nicolaj K.

“…Most glaciers and ice caps in Iceland experienced rapid deglaciation in the early Holocene, reaching a minimum extent during the Holocene Thermal Maximum. Here…”
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The multi‐component Hekla Ö Tephra, Iceland: a complex widespread mid‐Holocene tephra layer by Jónsson, Daníel Freyr, Gudmundsdóttir, Esther Ruth, Larsen, Gudrún, Óladóttir, Bergrún Arna, Erlendsson, Egill, Eddudóttir, Sigrún Dögg, Sigmarsson, Olgeir

“…ABSTRACT Large Plinian eruptions from Hekla volcano, Iceland, produce compositionally zoned tephra used as key markers in tephrochronology. However, spatial…”
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Two new Icelandic tephra markers: The Hekla Ö tephra layer, 6060 cal. yr BP, and Hekla DH tephra layer, ~6650 cal. yr BP. Land-sea correlation of mid-Holocene tephra markers by Ruth Gudmundsdóttir, Esther, Larsen, Gudrún, Eiríksson, Jón

“…A sedimentary basin within the Tjörnes Fracture Zone on the north Icelandic shelf has been investigated with the purpose of locating tephra layers for dating…”
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A Holocene tephrochronological framework for Finland by Kalliokoski, Maarit, Guðmundsdóttir, Esther Ruth, Wastegård, Stefan, Jokinen, Sami, Saarinen, Timo

“…Regional tephrochronological frameworks serve as dating and correlating tools that enable critical assessment of the validity of single cryptotephra findings…”
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Lacustrine evidence of Holocene environmental change from three Faroese lakes: a multiproxy XRF and stable isotope study by Olsen, Jesper, Björck, Svante, Leng, Melanie J., Gudmundsdóttir, Esther Ruth, Odgaard, Bent V., Lutz, Christina M., Kendrick, Chris P., Andersen, Thorbjørn J., Seidenkrantz, Marit-Solveig

“…The vegetation history of the Faroe Islands has been investigated in numerous studies all broadly showing that the early-Holocene vegetation of the islands…”
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Architecture and structural evolution of an early Little Ice Age terminal moraine at the surge-type glacier Múlajökull, Iceland by Benediktsson, Ívar Örn, Schomacker, Anders, Johnson, Mark D., Geiger, Alessa J., Ingólfsson, Ólafur, Guðmundsdóttir, Esther Ruth

“…The internal architecture and structural evolution of the Arnarfellsmúlar terminal moraine at Múlajökull, a surge‐type glacier in central Iceland, is described…”
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Variability of the North Atlantic Current during the last 2000 years based on shelf bottom water and sea surface temperatures along an open ocean/shallow marine transect in western Europe by Eiríksson, Jón, Bartels-Jónsdóttir, Helga Bára, Cage, Alix G., Gudmundsdóttir, Esther Ruth, Klitgaard-Kristensen, Dorthe, Marret, Fabienne, Rodrigues, Teresa, Abrantes, Fatima, Austin, William E. N., Jiang, Hui, Knudsen, Karen-Luise, Sejrup, Hans-Petter

“…Marine localities on the west European shelf have been studied to reconstruct the nearshore palaeoceanography of the last two millennia. The sites form a…”
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Palaeoceanographic changes off North Iceland through the last 1200 years: foraminifera, stable isotopes, diatoms and ice rafted debris by Knudsen, Karen Luise, Eiríksson, Jón, Jansen, Eystein, Jiang, Hui, Rytter, Frank, Ruth Gudmundsdóttir, Esther

“…Palaeoclimatic changes through the last 1200 calibrated years have been documented by high-resolution multi-proxy studies of three cores from about 400 m water…”
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Revised age estimate of the Mjáuvøtn tephra A on the Faroe Islands based on Bayesian modelling of 14C dates from two lake sequences by Olsen, Jesper, Gudmundsdóttir, Esther Ruth, Björck, Svante, Odgaard, Bent V., Heinemeier, Jan

“…Tephra horizons are potentially perfect time markers for dating and cross‐correlation among diverse Holocene palaeoenvironmental records such as ice cores and…”
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Ocean-rafted pumice constrains postglacial relative sea-level and supports Holocene ice cap survival by Farnsworth, W.R., Blake, W., Guðmundsdóttir, E.R., Ingólfsson, Ó., Kalliokoski, M.H., Larsen, G., Newton, A.J., Óladóttir, B.A., Schomacker, A.

“…Distally deposited tephra from explosive volcanic eruptions can be a powerful tool for precise dating and correlation of sedimentary archives and landforms…”
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Vedde Ash constrains Younger Dryas glacier re-advance and rapid glacio-isostatic rebound on Svalbard by Farnsworth, Wesley R., Ingólfsson, Ólafur, Mannerfelt, Erik S., Kalliokoski, Maarit H., Guðmundsdóttir, Esther R., Retelle, Michael, Allaart, Lis, Brynjólfsson, Skafti, Furze, Mark F.A., Hancock, Holt J., Kjær, Kurt H., Pieńkowski, Anna J., Schomacker, Anders

“…The distal deposition of tephra from explosive volcanism has the potential to geochronologically constrain sedimentary archives and landforms. With this…”
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Revised age estimate of the Mjauvotn tephra A on the Faroe Islands based on Bayesian modelling of C-14 dates from two lake sequences by Olsen, Jesper, Gudmundsdottir, Esther Ruth, Björck, Svante, Odgaard, Bent V., Heinemeier, Jan

“…Tephra horizons are potentially perfect time markers for dating and cross-correlation among diverse Holocene palaeoenvironmental records such as ice cores and…”
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Revised age estimate of the Mjáuvøtn tephra A on the Faroe Islands based on Bayesian modelling of 14 C dates from two lake sequences by Olsen, Jesper, Gudmundsdóttir, Esther Ruth, Björck, Svante, Odgaard, Bent V., Heinemeier, Jan

“…Tephra horizons are potentially perfect time markers for dating and cross‐correlation among diverse Holocene palaeoenvironmental records such as ice cores and…”
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