Papers in international peer-reviewed journals

Ólafsdóttir, S., Geirsdóttir, Á. , Miller, G.H., Stoner, J.S., Channell, J.E.T. in press.Synchronizing Holocene lacustrine and marine sediment records using paleomagnetic secular variations.

Miller, G.H., Geirsdóttir, Á., Zhong, Y., Larsen, DL., Otto-Bliesner, B., Holland, M.M., Bailey, DA, Refsnider, K., Lehman, SJ., Southon, JR., Anderson, C., Björnsson, H., Thordarson, Th. 2012. Abrupt onset of Little Ice Age cold triggered by volcanism and sustained by sea-ice/ocean feedbacks. Geophysical research Letter v. 39, L02708, doi:10.1029/2011GL050168,

Larsen, D., Miller, G.H., Geirsdóttir, Á., Ólafsdóttir, S. 2012. Non-linear Holocene climate evolution in the North Atlantic: a high-resolution, multi-proxy record of glacier activity and environmental change from Hvítárvatn, central Iceland. Quaternary Science Reviews 39 (2012) 14-25. doi:10.1016/j.quascirev.2012.02.006


Geirsdóttir, Á. 2011.  Pliocene and Pleistocene Glaciations of Iceland: A Brief Overview of the Glacial History. In J. Ehlers, P.L. Gibbard and P.D. Hughes, editors: Developments in Quaternary Science, Vol. 15, Amsterdam,The Netherlands, 2011, pp. 199-210. ISBN: 978-0-444-53447-7 © Copyright 2011 Elsevier B.V.Elsevier.

Larsen, D., Miller, G.H., Geirsdóttir, Á. 2011. A 3000-year varved record of glacial activity and climate change from the proglacial lake Hvítárvatn, Iceland. Quaternary Science Reviews.30, 2715-2731. doi:10.1016/j.quascirev.2011.05.026.

Axford, Y., Andresen, C.S., Andrews, J.T., Belt,S.,  Geirsdóttir, Á., Massé G., Miller, G.H., Ólafsdóttir, S. Vare, L.L.. 2011. Do paleoclimate proxies agree?  A test comparing nineteen late Holocene climate and sea-ice reconstructions from Icelandic marine and lake sediments. Journal of Quaternary Science. 26(6), 645-656.

Ólafsdóttir, S., Jennings, A.E., Geirsdóttir, Á., Andrews, J.T., Miller, G.H. 2010. Holocene Variability of the North Atlantic irminger Current on the South-and Northwest Shelf of Iceland. Marine Micropaleontology. doi:10.1016/j.marmicro.2010.08.002

Zhong, Y., Miller, G.H., Otto-Bliesner, B., Ammann, C., Holland, M., Bailey, D., Schneider, D., Geirsdóttir, Á. 2010. Decadally-paced explosive volcanism may trigger abrupt centennial-scale climate change: a coupled sea-ice/ocean mechanism. Journal of Climatology.

Geirsdóttir, Á., Miller, G.H., Thordarson, Th., and Ólafsdóttir, K. 2009. A 2,000 year record of climate variations reconstructed from Haukadalsvatn, West Iceland. Journal of Paleolimnology (2009) 41:95–115 DOI: 10.1007/s10933-008-9253-z . DOI 10.1007/s10933-008-9253-z

Axford, Y., Geirsdóttir, Á., Miller, G.H., and Langdon, P.G. 2009. Climate of the “Little Ice Age” and the last 2000 years in northeastern Iceland inferred from chironomids and other lake sediment proxies. Journal of Paleolimnology (2009) 41:7-24. DOI 10.1007/s10933-008-9251-1.

Geirsdóttir, Á., Miller, G.H., Axford, Y., Ólafsdóttir, S. 2009. Holocene and latest Pleistocene climate and glacier fluctuations in Iceland. Quaternary Science Reviews 28 (2009) 2107–2118

Kaufman, D.S., Schneider, D.P., McKay, N.P., Ammann, C.M., Bradley, R.S., Briffa K.R., Miller, G.H., Otto-Bliesner, B.L., Overpeck, J.T., Vinther, B.M., Arctic Lakes 2k Project Members (Abbott, M., Axford, Y., Bird, B., Birks, H.J.B., Bjune, A.E., Briner, J., Cook, T., Chipman, M., Francus, P., Gajewski, K., Geirsdóttir, Á., Hu, F.S., Kutchko, B., Lamoureux, S., Loso, M., MacDonald, G., Peros, M., Porinchu, D., Schiff, C., Seppä, H., Thomas, E.K.*) (2009) Recent warming reverses long-term Arctic cooling. Science, v. 325, p. 1236-1239. DOI: 10.1126/Science.1173983

Hannesdóttir, H., Geirsdóttir, Á., Miller, G.H., Manley, W. 2009. Sediment deposition in lake Hestvatn South Iceland during the last deglaciation and the Holocene. Jökull 59, 67-88.

Geirsdóttir, Á., G. H. Miller, N. J. Wattrus, H. Björnsson, and K. Thors 2008. Stabilization of glaciers terminating in closed water bodies: Evidence and broader implications, Geophys. Res. Lett., 35, L17502, doi:10.1029/2008GL034432.

Flowers, G.E., Björnsson, H., Geirsdóttir, Á., Miller, G.H., Clarke, G.K. 2008. The Holocene history of Langjökull ice cap from physical modelling and empirical evidence. Quaternary Science Reviews 27 797–813.

Axford, Y., Miller, G.H., Geirsdóttir, Á., Langdon, P.G., 2007. Holocene temperature history of northern Iceland inferred from subfossil midges. Quaternary Science Reviews, 26: 3344–3358.

Flowers, G.E., Björnsson, H., Geirsdóttir, Á., Miller, G.H., and Clarke, G.K.C., 2007. Glacier fluctuation and inferred climatology of Langjökull ice cap through the Little Ice Age. Quaternary Science Reviews, 26 : 2337-2353

Geirsdottir, A., Miller, G.H., and Andrews, J.T. 2007. Glaciation, erosion, and landscape evolution of Iceland. J. Geodynamics 43:170-186. doi:10.1016/j.jog.2006.09.017

Principato, S.M., Geirsdóttir, Á., Jóhannsdóttir, G.E., Andrews, J.T.2006. Late Quaternary glacial and deglacial history of eastern Vestfirdir. Journal of Quaternary Sciences 21 (3), 271-285.

Black,J., Miller, G.H., Geirsdóttir, Á, Manley, W and H. Björnsson 2004. Sediment thickness and Holocene erosion rates derived from a seismic survey of Hvítárvatn, central Iceland. JÖKULL 2004 54, 37-56.

D.S. Kaufman†, T.A. Ager, N.J. Anderson, P.M. Anderson, J.T. Andrews, P.J. Bartlein, L.B. Brubaker, L.L. Coats, L.C. Cwynar, M.L. Duvall, A.S. Dyke, M.E. Edwards, W.R. Eisner, K. Gajewski, A. Geirsdóttir, F.S. Hu, A.E. Jennings, M.R. Kaplan, M.W. Kerwin. A.V. Lozhkin, G.M. MacDonald, G.H. Miller, C.J. Mock, W.W. Oswald, B.L. Otto-Bliesner, D.F. Porinchu, K. Rühland, J.P. Smol, E.J. Steig, and B.B. Wolfe 2004. Holocene Thermal Maximum in the Western Arctic (0 – 180°W)*. Quaternary Science Reviews 2004, 23, 529-560.

Geirsdóttir, Á. 2004. Extent and chronology of Glaciations in Iceland. In Ehlers, J. and Gibbard, P. eds., Quaternary Glaciations — Extent and Chronology of Glaciations. Part 1 Europe. INQUA Commission on Glaciation. Elsevier B.V. 175-182.

Caseldine, C, Geirsdóttir, Á., Langton, P. 2003. Efstadalsvatn – a multi-proxy study of a Holocene lacustrine sequence from NW Iceland. Journal of Paleolimnology 30, 55-73.

Geirsdóttir, Á., Andrews, J.T., Ólafsdóttir, S., Helgadóttir, G. and Hardardóttir, J. 2002. A 35 Ka record of iceberg rafting from NW Iceland. Following the ice retreat from the shelf to land. Polar Research 21 (2), 291-298.

Andrews, J.T., Geirsdóttir, Á., Principato, S., Kristjánsdóttir, G.B., Helgadóttir, G., Hardardóttir, J.,Grönvold, K., Sveinbjörnsdóttir, Á., Drexler, J. 2002. Distribution, age and geochemistry of the Saksunarvatn )10.18 ± cal ka) ash in marine, lake, and terrestrial sediments, NW Iceland. Journal of Quaternary Sciences 17 (8), 731-745.

Andrews, J.T., Hardardóttir, J., Geirsdóttir, Á. and Helgadóttir, G. 2002. Late Quaternary ice extent and depositional history from the Djúpáll trough, Northwest peninsula, Iceland: A stacked 36 cal ka environmental record. Polar Research 21 (2), 211-226.

Andrews, J.T., Kihl, R., Jennings, A.E., Kristjansdottir, G., Helgadottir, G., Geirsdottir, A., and L.M. Smith 2002. Contrasts In Holocene Sediment Properties On The Shelves Bordering Denmark Strait (64-68°N), North Atlantic. Sedimentology 49, 5-24.

Miller, G.H. and the CAPE Project Members, 2001. Holocene Paleoclimate Data from the Arctic: Testing Models of Global Climate Change. Quaternary Science Reviews. (a multiauthored paper with G.H. Miller as lead author)

Andrews, J. T., Kristjansdottir, G., Geirsdottir, A , Hardardottir, J., Helgadottir, G., Sveinbjörnsdóttir, Á.E., Jennings, A.E., Smith, L.M. 2001. Late Holocene trends and century-scale variability of marine records off N. Iceland: measures of surface hydrography, productivity, and land/ocean interactions. In The Oceans and Rapid Climate Change: Past, Present, and Future )D. Seidov, B.J. Haupt, and M. Maslin eds). AGU Geophysical monograph series, volume 126, 2001, 69-81.

Andrews, J.T., Helgadottir, G., Geirsdottir, A., and Jennings, A.E., 2001. Multicentury-Scale records of Carbonate (hydrographic?) Variability on the Northern Iceland Margin over the Last 5000 years. Quaternary Research 56, 199-206.

Miller, G.H., Geirsdottir, A. and Koerner, R.M. 2001. Sea Ice in the Climate System: Lessons from the North Atlantic Arctic. EOS, Transactions, American Geophysical Union, 82 (8), p. 97, 103.

Hardardottir, J., Geirsdottir, A., and Sveinbjörnsdottir, A.E. 2001. Seismostratigraphy and sediment studies of Lake Hestvatn, south Iceland; Implication for the deglacial history of the region. Journal of Quaternary Sciences. 16(2), 167-179.

Hardardóttir, J., Geirsdóttir, Á. og Þórðarson, Þ. 2001. Tephra layers in a sediment core from Lake Hestvatn, S-Iceland: implications for evaluating sedimentation processes and environmental impact of tephra fall deposits in the surrounding watershed. Í: Lacustrine Volcaniclastic Sedimentation (Ritstj. White, J. og Riggs, N.) Spec. Publs int. Ass. Sediment. 30, 225-246. Blackwell, Oxford.

Geirsdóttir, Á., Hardardóttir, J. and Sveinbjörnsdóttir, Á.E. 2000. Glacial extent and catastrophic meltwater events during the deglaciation of Southern Iceland. Quaternary Science Reviews 19, 1749-1761.

Geirsdóttir, Á., Harðardóttir, J. og J.T. Andrews 2000. Late Quaternary Terrestrial Geology of Miki Fjord and nearby areas, East Greenland. The Holocene 10,1, 123-134

Andrews, J.T., Harðardóttir, J., Helgadottir, G., Jennings, A.E., Geirsdóttir, Á., Sveinbjornsdottir, A.E., Schoolfield, S., Kristjansdottir, G.B., Smith, L.M., Thors, K. and Syvitski, J.P.M. 2000. The N and W Iceland shelf: insights into LGM Ice extent and deglaciation based on acoustic stratigraphy and basal radiocarbon AMS dates. Quaternary Science Reviews 19, 619-631.

Jennings, A.E, Syvitski, J.P.M., Gerson, L., Grönvold, K., Geirsdóttir, Á., Harðardóttir, J., Andrews, J.T. & Hagen, S. 2000. Chronology and paleoenvironments during the late Weichselian deglaciation of the SW Iceland Shelf. Boreas 29, 167-260.

Sveinbjörnsdóttir, Á. E., Heinemeier, J., Kristensen, P., Rud, N., Geirsdóttir, Á. og Hardardóttir, J. 14C AMS datings of Icelandic lake sediments. Radiocarbon 40, 865-872.

Geirsdóttir, Á., Harðardóttir, J. og Eiríksson, J. 1997. Depositional history of theYounger Dryas (?) – Preboreal sediments, South Central Iceland. Arctic and Alpine Research, 29. 13-23.

Geirsdóttir, Á. and Eiríksson, J. 1996. A review of studies of the earliest glaciations in Iceland.Terra Nova 8, 400-414.

Geirsdóttir, Á. and Eiríksson J. 1994. Sedimentary facies and environmental history of the Late-glacial glaciomarine Fossvogur sediments in Reykjavík, Iceland. Boreas 23, 164-176.

Geirsdóttir, Á. and Eiríksson, J. 1994. Growth of an intermittent ice sheet in Iceland during the late Pliocene and early Pleistocene. Quaternary Research 42, 115-130.

Sveinbjörnsdóttir, Á., Eiríksson, J. Geirsdóttir, Á., Heinemeier, J. & Rud, N. 1993. The Fossvogur marine sediments, Southwest Iceland, confined to the Allerød – Younger Dryas transition by AMS 14Cdating. Boreas 22, 147-157.

Eiríksson, J., Geirsdóttir, Á. and Símonarson, L.A. 1992. A review of the Late Pleistocene stratigraphy in Reykjavík, Iceland. Quaternary International 10, 143-150.

Geirsdóttir, Á. 1991. Diamictites of late Pliocene age in western Iceland. Jökull 40, 3-25.

Eiríksson, J. and Geirsdóttir Á. 1991. A record of Late Cainozoic glaciations and climatic changes in the North Atlantic based on variations in volcanic and sedimentary facies in Iceland. Marine Geology 101, 147-159.

Andrews, J.T., Geirsdóttir, Á., Jennings, A., 1989. Late Quaternary Spatial and Temporal Changes in Clay- and Silt-size Mineral Assemblages of Fiord and Shelf Cores, Western Baffin Bay, Northwest North Atlantic. Continental Shelf Research, 9, No. 5, 445-463.