Jökull - 01.01.2014, Blaðsíða 39
Volume estimate of nine prehistoric Katla tephra layers
E. Magnússon, Th. Högnadóttir, G.N. Petersen, C.L.
Hayward, J.A. Stevenson and I. Jónsdóttir 2012. Ash
generation and distribution from the April-May 2010
eruption of Eyjafjallajökull, Iceland. Scientific Re-
ports 2, 572, doi: 10.1038/srep00572
Hammer, C.U., H.B. Clausen and W. Dansgaard 1980.
Greenland ice sheet evidence of postglacial volcanism
and its climatic impact. Nature 288, 230–235.
Harðardóttir, J., Á. Geirsdóttir and T. Thórdarson 2001.
Tephra layers in a sediment core from Lake Hestvatn,
southern Iceland: implications for evaluating sedimen-
tation processes and environmental impacts on a lacus-
trine system caused by tephra fall deposits in the sur-
rounding watershed. In: J. White and N. Riggs (eds.).
Lacustrine Volcaniclastic Sedimentation. Association
of Sedimentologists (IAS) Special Publication, Black-
well, Oxford, 225–246.
Jakobsson, S.P. 1979. Petrology of recent basalts of the
Eastern Volcanic Zone, Iceland. Acta Naturalia Is-
landica 26, 1–103.
Jóhannesson, H., S.P. Jakobsson and K. Sæmundsson
1990. Geological map of Iceland, sheet 6, South-
Iceland, third edition. Icelandic Museum of Natural
history and Iceland Geodetic Survey, Reykjavík.
Jóhannsdóttir, G.E. 2007. Mid Holocene to late glacial
tephrochronology in west Iceland as revealed in three
lacustrine environments. Unpublished M.Sc. Thesis,
University of Iceland, 182 pp.
Klawonn, M., B.F. Houghton, D.A. Swanson, S.A. Fa-
gents, P. Wessel and C.J. Wolfe 2014. Constraining
explosive volcanism: subjective choices during esti-
mates of eruption magnitude. Bull. Volc. 76, 793–799.
Doi:10.1007/s00445-013-0793-3.
Lacasse, C., H. Sigurdsson, H. Johannesson, M. Paterne
and S. Carey 1995. Source of Ash-Zone-1 in the
North-Atlantic. Bull. Volc. 57(1), 18–32.
Lane, C.S., S.P.E. Blockley, A.F. Lotter, W. Finsinger,
M.L. Filippi and I.P. Matthews 2010. A regional
tephrostratigraphic framework for central and south-
ern European climate archives during the Last Glacial
to Interglacial transition: comparisons north and south
of the Alps. Quaternary Sci. Rev. 36, 50–58.
Larsen, G. 1984. Recent volcanic history of the Veidivötn
fissure swarm, Southern Iceland. An approach to vol-
canic risk assessment. J. Volc. Geotherm. Res. 22, 33–
58.
Larsen, G. 2000. Holocene eruptions within the Katla vol-
canic system, south Iceland: Characteristics and envi-
ronmental impact. Jökull 49, 1–28.
Larsen, G. 2010. Katla: Tephrochronology and eruption
history. In: Schomacker, A., J. Krüger and K.H. Kjær
(eds.). The Mýrdalsjökull Ice Cap, Iceland. Devel.
Quaternary Sci. 13, 23–49.
Larsen, G. and S. Thorarinsson 1977. H-4 and other acid
Hekla tephra layers. Jökull 27, 28–46.
Larsen, G. and E.G. Vilmundardóttir 1992. Hekla tephra
layers from the period 2900–1800 BP: H-x, H-y and
H-z. The 20th Nordic Geological Winter Meeting, Ab-
stracts, Reykjavík, 7–10 January.
Larsen, G. and S. Ásbjörnsson 1995. Volume of tephra
and rock debris deposited by the 1918 jökulhlaups on
western Mýrdalssandur, South Iceland. Abstracts, Int.
Glaciol. Soc., 20–25 August 1995, Reykjavík.
Larsen, G. and J. Eiríksson 2008a. Holocene tephra
archives and tephrochronology in Iceland – a brief
overview. Jökull 58, 229–250.
Larsen, G. and J. Eiríksson 2008b. Late Quaternary terres-
trial tephrochronology of Iceland – frequency of ex-
plosive eruptions, type and volume of tephra deposits.
J. Quat. Sci. 23(2), 109–120.
Larsen, G., E.G. Vilmundardóttir and B. Þorkelsson 1992.
Heklugosið 1991: Gjóskufallið og gjóskulagið frá
fyrsta degi gossins. Náttúrufræðingurinn 61, 159–176.
Larsen, G., M.T. Gudmundsson and H. Björnsson 1998.
Eight centuries of periodic volcanism at the centre of
the Icelandic hotspot revealed by glacier tephrostratig-
raphy. Geology 26, 943–946.
Larsen, G., A.J. Dugmore and A.J. Newton 1999. Geo-
chemistry of historical-age silicic tephras in Iceland.
The Holocene 9, 463–471.
Larsen, G., A.J. Newton, A.J. Dugmore and E.G. Vil-
mundardóttir 2001. Geochemistry, dispersal, volumes
and chronology of Holocene silicic tephra layers form
the Katla volcanic system, Iceland. J. Quaternary Sci.
16, 119–132.
Larsen, G., K. Smith, A.J. Newton and K. Óskarsson
2005. Jökulhlaup til vesturs frá Mýrdalsjökli: Um-
merki um forsöguleg hlaup niður Markarfljót. In: M.T.
Gudmundsson and Á.G. Gylfason (eds.). Hættumat
vegna eldgosa og hlaupa frá vestanverðum Mýrdal-
sjökli og Eyjafjallajökli. Ríkislögreglustjórinn, Há-
skólaútgáfan, 75–98.
JÖKULL No. 64, 2014 39