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The subglacial topography of Drangajökull ice cap, NW-Iceland
Evans, S. and B. M. E. Smith 1969. A radio echo equip-
ment for depth sounding in polar ice sheets. J. Phys.
E: Scientific Instruments 2 (2), 131–136.
Ferrari, R. L., K. J. Miller and G. Owen 1976. The
1976 Cambridge-Reykjavík Universities Expedition to
Vatnajökull, Iceland. Cambridge University, Dept. of
Engineering, Special Report 5.
Flowers, G. E. 2015. Modelling water flow under glaciers
and ice sheets. Proc. R. Soc. A 471: 20140907.
Fretwell, P., H. D. Pritchard, D. G. Vaughan, J. L. Bamber,
N. E. Barrand, R. Bell, C. Bianchi, R. G. Bingham,
D. D. Blankenship et al. 2013. Bedmap2: improved ice
bed, surface and thickness datasets for Antarctica. The
Cryosphere 7, 375–393, doi:10.5194/tc-7-375-2013.
Gillet-Chaulet, F., O. Gagliardini, H. Seddik, M. Nodet,
G. Durand, C. Ritz, T. Zwinger, R. Greve and
D. G. Vaughan 2012. Greenland ice sheet contribu-
tion to sea-level rise from a new-generation ice-sheet
model. The Cryosphere 6, 1561–1576, doi:10.5194/tc-
6-1561-2012.
Gudmandsen, P. 1969. Airborne radio echo sounding of
the Greenland ice sheet. Geogr. J. 135 (4), 548–551.
Hambrey, M. J., D. Huddart, M. R. Bennett and N.
F. Glasser 1997. Dynamic and climatic significance
of ’hummocky moraines’: Evidence from Svalbard
and Britain. J. Geol. Soc. London 154, 623–632,
doi:10.1144/gsjgs.154.4.0623.
Hannesdóttir, H., H. Björnsson, F. Pálsson, G. Aðal-
geirsdóttir and S. Guðmundsson 2015. Changes in
the southeast Vatnajökull ice cap, Iceland, between
∼1890 and 2010. The Cryosphere 9, 565–585,
doi:10.5194/tc-9-565-2015.
Harðarson, B. S., J. G. Fitton and Á. Hjartarson 2008. Ter-
tiary volcanism in Iceland. Jökull 58, 161–178.
Harning, D. J., Á. Geirsdóttir, G. H. Miller and L.
Anderson 2016a. Episodic expansion of Dranga-
jökull, Vestfirðir, Iceland, over the last 3 ka cul-
minating in its maximum dimension during the
Little Ice Age. Quat. Sci. Rev. 152, 118–131,
doi:10.1016/j.quascirev.2016.10.001.
Harning, D. J., Á. Geirsdóttir, G. H. Miller and K. Za-
lzal 2016b. Early Holocene deglaciation of Dranga-
jökull, Vestfirðir, Iceland. Quat. Sci. Rev. in press:
http://dx.doi.org/10.1016/j.quascirev.2016.09.030.
Jarosch, A. 2008. Icetools: A full Stokes finite element
model for glaciers. Computers and Geosciences 34,
1005–1014, doi:10.1016/j.cageo.2007.06.012.
Jóhannesson, T., H. Björnsson, E. Magnússon, S. Guð-
mundsson, F. Pálsson, O. Sigurðsson, T. Thorsteins-
son and E. Berthier 2013. Ice-volume changes,
bias-estimation of mass-balance measurements and
changes in subglacial water bodies derived by LiDAR-
mapping of the surface of Icelandic glaciers. Ann.
Glaciol. 54 (63), 63–74.
Jóhannesson, Þ. 1998. Katlar í Drangajökli. Jökull 46, 76.
Krüger, J. 1993. Moraine-ridge formation along a sta-
tionary ice front in Iceland. Boreas 22 (2), 101–109,
doi:10.1111/j.1502-3885.1993.tb00169.x.
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,
doi:10.1017/jog.2016.93.
Li, J., J. Paden, C. Leuschen, F. Rodriguez-Morales,
R. Hale, E. Arnold, R. Crowe, D. Gomez-Garcia
and P. Gogineni 2013. High-altitude radar measure-
ments of ice thickness over the Antarctic and Green-
land Ice Sheets as a part of operation ice bridge.
IEEE Trans. Geosci. Remote Sens. 51, 742–754,
doi:10.1109/TGRS.2012.2203822.
Magnússon, E., J. M. -C. Belart, F. Pálsson, H. Ágústsson
and P. Crochet 2016. Geodetic mass balance record
with rigorous uncertainty estimates deduced from
aerial photographs and lidar data – Case study from
Drangajökull ice cap, NW Iceland. The Cryosphere
10, 159-177, doi:10.5194/tc-10-159-2016.
Magnússon, E., F. Pálsson and H. Björnsson 2004. Íssjár-
mælingar á Drangajökli 8.–9. apríl 2004. Jökull 54,
85–86.
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.
Mingo, L. and G. E. Flowers 2010. Instruments and
Methods. An integrated lightweight ice-penetrating
radar system. J. Glaciol. 56 (198), 709–714,
doi:10.3189/002214310793146179.
Murray, T., G. W. Stuart, M. Fry, N. H. Gamble and
M. D. Crabtree 2000. Englacial water distribution in
a temperate glacier from surface and borehole radar
velocity analysis. J. Glaciol. 46 (154), 389–398,
doi:10.3189/172756500781833188.
Paterson, W. S. B. 1994. The Physics of Glaciers, third
edition. Oxford, New York, Pergamon Press, 480 pp.
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