Jökull - 01.01.2001, Blaðsíða 31

Changes in the Gígjukvísl river channel
REFERENCES
Björnsson, H. 1988. Hydrology of Ice Caps in Volcanic
Regions. Soc. Sci. Islandica 45, Reykjavík, 139 pp.
Björnsson, H. 1992. Jökulhlaups in Iceland: prediction,
characteristics and simulation. Annals of Glaciology
16, 95-106.
Björnsson, H. 1996. Scales and rates of glacial sediment
removal: a 20 km long and 300 m deep trench created
beneath Breiðamerkurjökull during the Little Ice Age.
Annals of Glaciology 22, 141-146.
Björnsson, H. 1997. Grímsvatnahlaup fyrr og nú. In H.
Haraldsson, ed. Vatnajökull: Gos og hlaup 1996, Veg-
agerðin, 61-77.
Björnsson, H. 1998. Hydrological characteristics of the
drainage system beneath a surging glacier. Nature 395,
771-774.
Boothroyd, J. C. and D. Nummedal 1978. Proglacial
braided outwash: a model for humid alluvial-fan de-
posits. In A. D. Miall, ed. Fluvial Sedimentology, Can.
Soc. of Petrol. Geol. Mem. 5, 641-668.
Boulton, G. S. 1986. Push-moraines and glacier-contact
fans in marine and terrestrial environments. Sedimen-
tology 33, 677-698.
Churski, Z. 1973. Hydrographic features of the proglacial
area of Skeiðarárjökull. Geog. Polonica 26, 209-254.
Fay, H. 2001. The formation of ice-block obstacle marks
during the November 1996 glacier outburst flood
(jökulhlaup), Skeiðarársandur, southern Iceland. In
I. P. Martini, V. R. Baker, G. Garzon, ed. Flood
and Megaflood Deposits: Recent and Ancient, Special
Publication of the International Association of Sedi-
mentologists. In press.
Galon, R. 1973. Geomorphological and geological anal-
ysis of the proglacial area of Skeiðarárjökull: central
section. Geog. Polonica 26, 15-56.
Guðmundsson, M. T., H. Björnsson and F. Pálsson 1995.
Changes in jökulhlaup sizes in Grímsvötn, Vatna-
jökull, Iceland, 1934-91, deduced from in-situ mea-
surements of subglacial lake volume. J. Glaciol. 41,
263-272.
Guðmundsson, M. T., F. Sigmundsson and H. Björns-
son 1997. Ice-volcano interaction of the 1996 Gjálp
subglacial eruption, Vatnajökull, Iceland. Nature 389,
954-957.
Jóhannesson, H. 1994. Coastal erosion near the bridge
across Jökulsá á Breiðamerkursandi in southeastern
Iceland. In G. Viggósson, ed. Proceedings of the
Hornafjörður International Coastal Symposium, 405-
414.
Jóhannesson, H. 1995. Landbrot framan við brúna yfir
Jökulsá á Breiðamerkursandi. Árbók VFÍ 6, 311-319.
Jónsson, J. 1982. Notes on the Katla volcanoglacial debris
flows, Jökull 32, 61-68.
Kaldal, I. 1997. Breytingar á farvegi Gígjukvíslar. Orku-
stofnun, Greinargerð, IK-9702. Reykjavík. Map and 2
pp.
Klimek, K. 1972. Present day fluvial processes and relief
of the Skeiðarársandur plain (Iceland). Polska Acad.
Navk. Inst. Geografi. 94, 129-139.
Klimek, K. 1973. Geomorphological and geological anal-
ysis of the proglacial area of the Skeiðarárjökull: ex-
treme eastern and western sections. Geog. Polonica
26, 89-113.
Knudsen, Ó. 1995. Concertina eskers, Brúarjökull, Ice-
land: an indicator of surge-type glacier behaviour.
Quat. Sci. Reviews 14, 487-493.
Maizels, J. K. 1989a. Sedimentology, paleoflow dynam-
ics and flood history of jökulhlaup deposits: paleohy-
drology of Holocene sediment sequences in southern
Iceland sandur deposits. J. Sedim. Petrol. 59, 204-223.
Maizels, J. K. 1989b. Sedimentology and palaeohydrology
of Holocene flood deposits in front of a jökulhlaup
glacier, South Iceland. In K. Bevan and P. Carling, eds.
Floods, hydrological, sedimentological and geomor-
phological implications: an overview. John Wiley &
Sons Ltd, 239-253.
Maizels J. K. 1991. Origin and evolution of Holocene
sandurs in areas of jökulhlaup drainage, south Iceland.
In J. K. Maizels and C. Caseldine, eds. Environmental
change in Iceland: past and present. Kluwer, 267-300.
Maizels, J. K. 1993a. Lithofacies variations within sand-
ur deposits: the role of runoff regime, flow dynamics
and sediment supply characteristics. Sediment. Geol.
85, 299-325.
Maizels, J. K. 1993b. Quantitative regime modelling of flu-
vial depositional sequence: application to Holocene
stratigraphy of humid-glacial braid-plains (Icelandic
sandurs). In C. P. North and D. J. Prosser, eds. Char-
acterisation of fluvial and aeolian reservoirs.Geol. Soc.
Spec. Pub. 73, 53-78.
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