Jökull - 01.01.2020, Qupperneq 57

Vestergaard et al.
Res. Solid Earth 122, 7754–7774, https://doi.org/-
10.1002/2017JB014309.
Larsen, G., G. Sverrisdóttir, H. Jóhannesson, A. Hjartar-
son and P. Einarsson 2013. Hekla. Náttúruvá á Íslandi,
University Press, Reykjavík, 189–209.
Larsen, G., A. Dugmore and A. Newton 1999. Geo-
chemistry of historical-age silicic tephras in Ice-
land. The Holocene 9, 463–471, https://doi.org/-
10.1191/095968399669624108.
Lucic, G., A. S. Berg and J. Stix 2016. Water-rich and
volatile-undersaturated magmas at Hekla volcano, Ice-
land. Geochem. Geophys. Geosyst. 17, 3111–3130,
https://doi.org/10.1002/2016gc006336.
Macdonald, G. A. 1953. Pahoehoe, aa and block lava.
Am. J. Sci. 251, 169–191, https://doi.org/10.2475/-
ajs.251.3.169.
Montalvo, J. 2013. Evaluation of lava flow volumes from
Hekla volcano based on new topographic data. Mas-
ter’s thesis, Faculty of Earth Sciences, Univ. Iceland,
47 pp., http://hdl.handle.net/1946/17125.
Naranjo, M. F., S K. Ebmeier, S. Vallejo, P. Ramón, P.
Mothes, J. Biggs and F. Herrera 2016. Mapping and
measuring lava volumes from 2002 to 2009 at El
Reventador Volcano, Ecuador, from field measure-
ments and satellite remote sensing. J. Appl. Volc. 5(8),
https://doi.org/10.1186/s13617-016-0048-z.
Ofeigsson, B. G., A. Hooper, F. Sigmundsson, E. Sturkell
and R. Grapenthin 2011. Deep magma storage at
Hekla volcano, Iceland, revealed by InSAR time se-
ries analysis. J. Geophys. Res. 116, https://doi.org/-
10.1029/2010jb007576.
Parfitt, E. A. and L. Wilson 2008. Fundamentals of Physi-
cal Volcanology. Blackwell Publishing Ltd.
Pedersen, G. B. M., Á. Höskuldsson, T. Dürig, Th. Thord-
arson, I. Jónsdóttir, M. S. Riishuus, B. V. Óskarsson,
et al. 2017. Lava field evolution and emplacement dy-
namics of the 2014–2015 basaltic fissure eruption at
Holuhraun, Iceland. J. Volc. Geoth. Res. 340, 155–
169, https://doi.org/10.1016/j.jvolgeores.2017.02.027.
Pedersen, G. B. M., J. M. C. Belart, E. Magnússon,
O. K. Vilmundardóttir, F. Kizel, F. S. Sigurmunds-
son, G. Gísladóttir and J. A. Benediktsson 2018.
Hekla volcano, Iceland, in the 20th century: lava
volumes, production rates and effusion rates. Geo-
phys. Res. Lett. 45, 1805–1813, https://doi.org/-
10.1002/2017GL076887.
Pedersen, G. B. M., J. Montalvo, P. Einarsson, O. K. Vil-
mundardóttir, F. S. Sigurmundsson, J. M.-C. Belart,
Á. R. Hjartardóttir, et al. 2018. Historical lava flow
fields at Hekla volcano, South Iceland. Jökull 68, 1–
26, http://jokulljournal.is/2018-68.html.
Peterson, D. W. and R. I. Tilling 1980. Transition of
basaltic lava from pahoehoe to aa, Kilauea volcano,
Hawaii: Field observations and key factors. J. Volc.
Geoth. Res. 7, 271–293, https://doi.org/10.1016/0377-
0273(80)90033-5.
Peterson, D. W., R. T. Holcomb, R. I. Tilling and R. L.
Christiansen 1994. Development of lava tubes in the
light of observations at Mauna Ulu, Kilauea Volcano,
Hawaii. Bull. Volcanol. 56, 343–360, https://doi.org/-
10.1007/BF00326461.
Pinkerton, H. and L. Wilson 1994. Factors controlling the
lengths of channel-fed lava flows. Bull. Volcanol. 56,
108–120, https://doi.org/10.1007/BF00304106.
Poland, M. 2014. Time-averaged discharge rate of sub-
aerial lava at Kilauea Volcano, Hawaii, measured from
TanDEM-X interferometry: Implications for magma
supply and storage during 2011-2013. J. Geophys.
Res. Solid Earth 119, 5464–5481, https://doi.org/-
10.1002/2014JB011132.
Portnyagin, M., K. Hoernle, S. Storm, N. Mironov, C.
van den Bogaard and R. Botcharnikov 2012. H2O-
rich melt inclusions in fayalitic olivine from Hekla
volcano: Implications for phase relationships in sili-
cic systems and driving forces of explosive volcanism
on Iceland. Earth Planet. Sci. Lett. 357–358, 337–346,
https://doi.org/10.1016/j.epsl.2012.09.047.
Rizzoli, P., M. Martone, C. Gonzalez, C. Wecklich,
D. B. Tridon, B. Bräutigam, M. Bachmann, et al.
2017. Generation and performance assessment of the
global TanDEM-X digital elevation model. ISPRS J.
Photogrammetry and Remote Sensing 132, 119–139,
https://doi.org/10.1016/j.isprsjprs.2017.08.008.
Rowland, S. K. and G. P. L. Walker 1988. Mafic-crystal
distributions, viscosities and lava structures of some
Hawaiian lava flows. J. Volc. Geoth. Res. 35, 55–66,
https://doi.org/10.1016/0377-0273(88)90005-4.
Saemundsson, K. 1978. Fissure swarms and central volca-
noes of the neovolcanic zones of Iceland. In: Bowes,
D. R. and B. E. Leake (eds.), Crustal evolution in
northwestern Britain and adjacent regions, Geol. J.
Spec. Iss. 10, 415–432.
Schythe, J. C. 1847. Hekla og dens sidste udbrud den 2den
September 1845. Bianco Lunos Bogtrykkeri, Kjöben-
havn. 12–95.
54 JÖKULL No. 70, 2020