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E. R. Guðmundsdóttir et al.
Table 1. Core numbers, locations and references of marine cores on the Iceland shelf where Holocene tephra
layers have been described. – Kjarnanúmer, staðsetning og heimild um sjávarsetkjarna þar sem gjóskulögum,
frá Hólósen tíma, hefur verið lýst á landgrunni Íslands.
North Iceland shelf
Core number Latitude Longitude Reference
HM107-01 66◦30’29”N 18◦51’54”W Eiríksson et al., 2004
HM107-03 66◦30’09”N 19◦04’20”W Eiríksson et al., 2004
HM107-04 67◦13’38”N 19◦03’00”W Eiríksson et al., 2000
HM107-05 66◦54’08”N 17◦54’19”W Eiríksson et al., 2000
MD99-2271 66◦30.09’N 19◦30.34’W Eiríksson et al., 2000; Knudsen and Eiríksson, 2002;
Søndergaard, 2005; Gudmundsdóttir et al., 2011
MD99-2272 66◦59.57’N 17◦58.49’W Eiríksson et al., 2000
MD99-2273 66◦45.78’N 18◦45.02’W Eiríksson et al., 2001; Eiríksson et al., 2003, 2011
MD99-2275 66◦33.06’N 17◦41.59’W Larsen et al., 2002; Knudsen et al., 2008;
Eiríksson et al., 2011; Gudmundsdóttir et al., 2011, 2012
MD99-2269 66◦37.53’N 20◦51.16’W Andrews et al., 2002; Kristjánsdóttir et al., 2007
B05-2006-MC03B 66◦45.79’N 18◦44.98’W Eiríksson et al., 2011; Knudsen et al., 2011
B05-2006-MC04 66◦33.189’N 17◦42.02’W Eiríksson et al., 2011; Knudsen et al., 2011
B05-2006-GBC03B 66◦33.189’N 17◦42.02’W Eiríksson et al., 2011
B997-316 66◦45.00’N 18◦46.87’W Jónsdóttir, 2001
B997-320 66◦20.10’N 18◦39.04’W Jónsdóttir, 2001
B997-322 66◦56.29’N 19◦46.55’W Andrews et al., 2002; Andrews and Helgadóttir, 2003
B997-323 66◦50.79’N 20◦13.64’W Andrews et al., 2002; Andrews and Helgadóttir, 2003
B997-325 66◦34.03’N 20◦59.99’W Andrews et al., 2002
B997-329 65◦58.00’N 21◦17.91’W Andrews et al., 2002
B997-332 66◦08.19’N 21◦25.08’W Andrews et al., 2002
B997-317 66◦35.27’N 18◦51.85’W Andrews et al., 2002
B997-319GGC 66◦26.82’N 18◦50.24’W Andrews et al., 2002
B997-321 66◦53.47’N 18◦58.47’W Kristjánsdóttir, 1999
B997-319 66◦26.82’N 18◦51.06’W Kristjánsdóttir, 1999
West Iceland shelf
B997-315 66◦43.96’N 24◦20.13’W Andrews et al., 2002
B997-335 66◦25.00’N 21◦52.82’W Andrews et al., 2002
B997-336 66◦41.21’N 24◦09.70’W Andrews et al., 2002; Geirsdóttir et al., 2002
B997-337 66◦40.16’N 24◦07.63’W Andrews et al., 2002
B997-339 66◦01.16’N 22◦48.03’W Andrews et al., 2002; Geirsdóttir et al., 2002
MD99-2256 64◦18.19’N 24◦12.40W Geirsdóttir et al., 2002
MD99-2264 66◦40.74N 24◦11.76W Geirsdóttir et al., 2002
MD99-2265 66◦16.63N 22◦51.47’W Geirsdóttir et al., 2002; Jóhannsdóttir, 2003
MD99-2266 65◦26.65N 26◦18.94’W Andrews et al., 2002
South Iceland shelf
RAPiD-10-1P 62◦58.53’N 17◦35.37’W Thornalley et al., 2011
RAPiD-15-4P 62◦17.58’N 17◦08.04’W Thornalley et al., 2011
RAPiD-12-1K 62◦05.43’N 17◦49.18’W Thornalley et al., 2011
recorded in sediment proxies, and correlation between
the marine and terrestrial regimes (Larsen et al., 2002;
Kristjánsdóttir et al., 2007; Gudmundsdóttir et al.,
2011a,b, 2012). For example, using palaeoceano-
graphic proxies and tephrochronological age models,
Knudsen et al. (2009) were able to reconstruct the
relative strength of Arctic and Atlantic water masses
on the North Iceland shelf throughout the last mil-
lennium. Foraminifera and diatom assemblages show
increased influence of Atlantic water masses during
the time interval ca. AD 800–1300 (the so-called Me-
dieval Warm Period or Medieval Climatic Anomaly),
whereas the interval ca. AD 1300–1910 (encompass-
ing the Little Ice Age) was characterized by decreased
56 JÖKULL No. 62, 2012