Jökull - 01.01.2021, Qupperneq 71

Bedrock and tephra layer topography within the Katla caldera
Jóhannesson, T., H. Björnsson, E. Magnússon, S.
Guðmundsson, F. Pálsson, O. Sigurðsson, T.
Thorsteinsson and E. Berthier 2013. Ice-volume
changes, bias-estimation of mass-balance mea-
surements and changes in subglacial water bodies
derived by lidar mapping of the surface of Ice-
landic glaciers. Ann. Glaciol. 54(63), 63–74.
https://doi.org/10.3189/2013AoG63A422.
Jóhannesson, T., B. Pálmason, Á. Hjartarson, A. H.
Jarosch, E. Magnússon, J. M. C. Belart and M. T.
Gudmundsson 2020. Non-surface mass balance of
glaciers in Iceland. J. Glaciol. 66(258), 685–697.
https://doi.org/10.1017/jog.2020.37.
Jónsson, G. Þ. and T. Þórarinsdóttir 2011. Hlaup
í Múlakvísl 8.–10. júlí 2011. Tech. Report:
GThJ-TTh/2011-01. Icelandic Meteorological
Office, 10 pp.
Lapazaran, J. J., J. Otero, A. Martín-Español and
F. J. Navarro 2016. On the errors involved in
ice-thickness estimates I: ground-penetrating radar
measurement errors. J. Glaciol. 62(235), 1–13.
https://doi.org/10.1017/jog.2016.93.
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. Kjær
(eds.). The Mýrdalsjökull ice cap, Iceland: glacial pro-
cesses, sediments and landforms on an active volcano.
Development in Quaternary Sci. 13, 23–49. Elsevier,
Amsterdam, ISBAN: 978-0-444-53045-5.
Larsen, G., M. T. Guðmundsson and O. Sigmarsson 2013.
Sólnes, J., F. Sigmundsson and B. Bessason (eds.).
Náttúruvá á Íslandi. Viðlagatrygging Íslands/Háskóla-
útgáfan, Reykjavík, 211–233, ISBN: 978-9979-54-
943-7.
Larsen, G. and Þ. Högnadóttir 2021. Ljósmyndir Þor-
láks Sverrissonar í Vík: Kötlugosið 1918 í nýju
ljósi. Jökull 71, 95–114. https://doi.org/10.33799/-
jokull2021.71.095
Larsen, G., M. H. Janebo and M. T. Gudmundsson 2021.
The explosive basaltic Katla eruption in 1918, south
Iceland I: Course of events, tephra fall and flood
routes. Jökull 71, 1–20. https://doi.org/10.33799/-
jokull2021.71.001
Mackintosh, A. N., A. J. Dugmore and F. M. Jacobsen
2000. Ice-thickness measurements on Sólheimajökull,
southern Iceland, and their relevance to its recent be-
haviour. Jökull 48, 9–15.
Magnússon, E., J. M.-C. Belart, F. Pálsson, L. S. Ander-
son, Á. Þ. Gunnlaugsson, E. Berthier, H. Ágústsson
and Á. Geirsdóttir 2016. The subglacial topography
of Drangajökull ice cap, NW-Iceland, deduced from
dense RES-profiling. Jökull 66, 1–26.
Magnússon, E., F. Pálsson, H. Björnsson and S. Guð-
mundsson 2012. Removing the ice cap of Öræfa-
jökull central volcano, SE-Iceland: Mapping and in-
terpretation of bedrock topography, ice volumes, sub-
glacial troughs and implications for hazards assess-
ments. Jökull 62, 131–150.
Magnússon, E., F. Pálsson, M. T. Guðmundsson, J. M. C.
Belart and Þ. Högnadóttir 2017. Hvað sýna íssjármæl-
ingar undir sigkötlum Mýrdalsjökuls. Tech. report: In-
stitute of Earth Sciences, University of Iceland, 39 pp.
Magnússon, E., F. Pálsson, M. T. Gudmundsson, Th.
Högnadóttir, C. Rossi, B. G. Ófeigsson, Th. Thor-
steinsson, E. Sturkell and T. Jóhannesson 2021.Devel-
opment of a subglacial lake monitored with radio-echo
sounding: case study from the eastern Skaftá cauldron
in the Vatnajökull ice cap, Iceland. The Cryosphere 15,
3731–3749. https://doi.org/10.5194/tc-15-3731-2021.
Mingo, L. and G. E. Flowers 2010. Instruments and Meth-
ods. An integrated lightweight ice-penetrating
radar system. J. Glaciol. 56(198), 709–714.
https://doi.org/10.3189/002214310793146179.
Moran, M. L., R. J. Greenfield, S. A. Arcone and A. J. De-
laney 2000. Delineation of a complexly dipping tem-
perate glacier bed using short-pulse radar arrays. J.
Glaciol. 46(153), 274–286. https://doi.org/10.3189/-
172756500781832882.
Morlighem, M., E. Rignot , H. Seroussi, E. Larour, H.
Ben Dhia and D. Aubry 2011. A mass conserva-
tion approach for mapping glacier ice thickness. Geo-
phys. Res. Lett. 38, L19503. https://doi.org/10.1029/-
2011GL048659
Óladóttir, B. A., G. Larsen and O. Sigmarsson 2014. Vol-
ume estimates of nine Katla tephra layers (∼1860 BC
– 870 AD). Jökull 64, 23–40.
Óladóttir, B. A., O. Sigmarsson, G. Larsen and T. Thor-
darson 2008. Katla volcano, Iceland: magma composi-
tion, dynamics and eruption frequency as recorded by
Holocene tephra layers. Bull. Volc. 70 (4), 475–493.
https://doi.org/10.1007/s00445-007-0150-5.
Pálsson F., H. Björnsson and E. Magnússon 2005.
Rennslisleiðir vatns undir Kötlujökli (Höfðabrekku-
jökli). Report, RH-04-2005.
Rist, S. 1967a. The thickness of the ice cover of Mýrdals-
jökull, Southern Iceland. Jökull 17, 237–242.
JÖKULL No. 71, 2021 69