Jökulhlaups in iceland: Sources, release and drainage

Megaflooding on Earth and Mars

Volumn , Issue , 2009, Pages 50-64

  BjÖrnsson, Helgi ^a  

^a UNIVERSITY OF ICELAND   (Iceland)

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EID: 76749134959     PISSN: None     EISSN: None     Source Type: Book    
DOI: 10.1017/CBO9780511635632.004     Document Type: Chapter

References (74)

1. Alfaro, R., Brandsdóttir, B., Rowlands, D. P., White, R. S. and GuSmundsson, M. T. (2007). Structure of the Grimsvotn central volcano under the Vatnajokull icecap, Iceland. Geophysical Journal International, 168, 863-876.
2. Bjornsson, H. (1974). Explanation of jokulhlaups from Grimsvotn, Vatnajokull, Iceland. Jokull, 24, 1-26.
3. Bjornsson, H. (1975). Subglacial water reservoirs, jokulhlaups and volcanic eruptions. Jokull, 25, 1-14.
4. Bjornsson, H. (1976). Marginal and supraglacial lakes in Iceland. Jokull, 26, 40-51.
5. Bjornsson, H. (1977). The cause of jokulhlaups in the Skafta river, Vatnajokull. Jokull, 27, 71-78.
6. Bjornsson, H. (1988). Hydrology of ice caps in volcanic regions. Societas Scientarium Islandica, 45, Reykjavik.
7. Bjornsson, H. (1992). Jokulhlaups in Iceland: prediction, characteristics and simulation. Annals of Glaciology, 16, 95-106.
8. Bjornsson, H. (1997). Grimsvatnahlaup fyrr og nil. In Vatnajokull. Gos og hlaup 1996, ed. H. Haraldsson. Reykjavik, Iceland: Icelandic Public Roads Administration, pp. 61-77.
9. Bjornsson, H. (2002). Subglacial lakes and jokulhlaups in Iceland. Global and Planetary Change, 35, 255-271.
10. Bjornsson, H. and Einarsson, P. (1991). Volcanoes beneath Vatnajokull, Iceland. Evidence from radio echo-sounding, earthquakes and jokulhlaups. Jokull, 40, 147-168.
11. Bjornsson, H. and Eydal, G. P. (1999). Jokulhlaup i Kverka og Kreppu fra jaSarlonum viS Bruarjokul. Raunvisindastofnun Haskolans, RH-15-99.
12. Bjornsson, H. and GuSmundsson, M. T. (1993). Variations in the thermal output of the subglacial Grimsvotn Caldera, Iceland. Geophysical Research Letters, 20, 2127-2130.
13. Bjornsson, H. and Kristmannsdottir, H. (1984). The Grimsvotn geothermal area, Vatnajokull, Iceland. Jokull, 34, 25-50.
14. Bjornsson, H., Bjornsson, S. and Sigurgeirsson, Th. (1982). Penetration of water into hot rock boundaries of magma at Grimsvotn. Nature, 295, 580-581.
15. Bjornsson, H., Palsson, F. and GuSmunsdsson, M. T. (2000). Surface and bedrock topography of the Myrdalsjokull ice cap, Iceland: the Katla caldera, eruption sites and routes of jokulhlaups. Jokull, 49, 29-46.
16. Bjornsson, H., Rott, H., GuSmundsson, S. et al. (2001). Glacier- volcano interactions deduced by SAR interferometry. Journal of Glaciology, 47 (156), 58-70.
17. Carrivick, J. L., Russell, A. J. and Tweed, F. S. (2004). Geo- morphological evidence for jokulhlaups from Kverkfjoll volcano, Iceland. Geomorphology, 63, 81-102.
18. Clague, J. J. and Mathews, W. H. (1973). The magnitude of jokulhlaups. Journal of Glaciology, 12 (66), 501-504.
19. Clarke, G. K. C. (1982). Glacier outburst flood from “Hazard Lake”, Yukon Territory, and the problem of flood magnitude prediction. Journal of Glaciology, 28 (98), 3-21.
20. Clarke, G. K. C. (2003.) Hydraulics of subglacial outburst floods: new insights from the Spring-Hutter formulation. Journal of Glaciology, 49 (165), 299-313.
21. Einarsson, P. (1991). Earthquakes and present-day tectonism in Iceland. Tectonophysics, 189, 261-279.
22. Einarsson, P. and Brandsdottir, B. (1984). Seismic activity preceding and during the 1983 volcanic eruption in Grimsvotn, Iceland. Jokull, 34, 13-23.
23. Einarsson, P., Brandsdottir, B., GuSmundsson, M. T. etal. (1997). Center of the Iceland hotspot experiences volcanic unrest. Eos, 78 (35), 374-375.
24. Jokulhlaups in IcelandFlowers, G. E., Bjornsson, H., Palsson, F. and Clarke, G. K. C. (2004). A coupled sheet-conduit model of jOkulhlaup propagation. Geophysical Research Letters, 31, L05401, doi:10.1029/2003GL019088.
25. Fowler, A. (1999). Breaking the seal of Grimsvotn. Journal of Glaciology, 45 (151), 506-516.
26. Geirsdottir, A., HarSardottir, J. and Sveinbjornsdottir, A. E. Glacial extent and catastrophic meltwater events during the deglaciation of Southern Iceland. Quaternary Science Reviews, 19, 1749-1761.
27. GuSmundsson, M. T. (1989). The Grimsvotn Caldera, Iceland, subglacial topography and structure of caldera infill. Jokull, 39, 1-19.
28. GuSmundsson, M. T. (1992). The crustal structure of the subglacial Grimsvotn volcano, Vatnajokull, Iceland, from multiparameter geophysical surveys. Ph.D. thesis, University of London.
29. GuSmundsson, M. T. and Bjornsson, H. (1991). Eruptions in Grimsvotn 1934-1991. Jokull, 41, 21-46.
30. GuSmundsson, M. T., Bjornsson, H. and Palsson, F. (1995). Changes in jokulhlaup sizes in Grimsvotn, Vatnajokull, Iceland, 1934-1991, deduced from in situ measurements of subglacial lake volume. Journal of Glaciology, 41 (138), 263-272.
31. GuSmundsson, M. T., Sigmundsson, F. and Bjornsson, H. (1997). Ice-volcano interaction of the 1996 Gjalp subglacial eruption, Vatnajokull, Iceland. Nature, 389, 954-957.
32. GuSmundsson, M. T., Sigmundsson, F., Bjornsson, H. and Hognadottir, Th. (2003). The 1996 eruption at Gjalp, Vatnajokull ice cap, Iceland: efficiency of heat transfer, ice deformation and subglacial water pressure. Bulletin of Volcanology, 66, 46-65.
33. GuSmundsson, S., GuSmundsson, M. T., Bjornsson, H. et al. (2002). Three-dimensional glacier surface motion maps at the Gjalp eruption site, Iceland, inferred from combining InSAR and other ice displacement data. Annals of Glaciology, 34, 315-322.
34. Haraldsson, H. (1981). The Markarfljot sandur area, southern Iceland. Sedimentological, petrographical and stratigraphi- cal studies. Striae, 15, 1-65.
35. HarSardottir, J., Geirsdottir, A. and Sveinbjornsdottir, A. E. Seismostratigraphy and sediment studies of Lake Hestvatn, southern Iceland: implications for the deglacial history of the region. Journal of Quaternary Science, 16 (2), 167-179.
36. Johannesson, T. (2002). Propagation of a subglacial flood wave during the initiation of jokulhlaup. Hydrological Sciences Journal, 47, 417-434.
37. Kjartansson, G. (1943). JarSsaga. In Arnesingasaga I. Reykjavik.
38. Kjartansson, G. (1964). Isaldarlok og eldfjoll a Kili. Natturufradingurinn, 34, 9-38.
39. Kjartansson, G. (1967). The Steinsholtshlaup, central-south Iceland on January 15th, 1967. Jokull, 17, 249-262.
40. Knudsen, O. and Russell, A. R. (2002). Jokulhlaup deposits at Asbyrgi, northern Iceland: sedimentology and implications of flow type. In The Extremes of the Extremes. Extraordinary Floods. Proceedings of a symposium held in Reykjavik, Iceland, July 2000. IAHS Publication 271, 107-112.
41. Larsen, G. (2000). Holocene eruptions within the Katla volcanic system, Iceland: notes on characteristics and environmental impact. Jokull, 50, 1-28.
42. Larsen, G. (2002). A brief overview of eruptions from ice-covered and ice-capped volcanic systems in Iceland during the past 11 centuries: frequency, periodicity and implications. In Ice-Volcano Interaction on Earth and Mars, eds. J. L. Smellie and M. Chapman. Geological Society of London Special Publication 202, pp. 81-90.
43. Larsen, G., GuSmundsson, M. T. and Bjornsson, H. (1998). Eight centuries of periodic volcanism at the center of the Iceland hot spot revealed by glacier tephrastratigraphy. Geology, 26 (10), 943-946.
44. Magnusson, E., Rott, H., Bjornsson, H. and Palsson, F. (2007). The impact of jokulhlaups on basal sliding observed by SAR interferometry on Vatnajokull, Iceland. Journal of Glaciology, 53 (181), 232-240.
45. Maizels, J. (1989). Sedimentology and paleohydrology of Holocene flood deposits in front of a jokulhlaup glacier, south Iceland. In Floods: Hydrological, Sedimentological and Geomorphological Implications, eds. K. Beven and P. Carling. New York: John Wiley and Sons, pp. 239-252.
46. Maizels, J. (1995). Sediments and landforms of modern proglacial terrestrial environments. In Modern Glacial Environments, ed. J. Menzies. Oxford: Butterworth- Heinemann, pp. 365-416.
47. Ng, F. and Bjornsson, H. (2003). On the Clague-Mathews relation for jokulhlaups. Journal of Glaciology, 49 (165), 161-172.
48. Nye, J. F. (1976). Water flow in glaciers: jokulhlaups, tunnels and veins. Journal of Glaciology, 17 (76), 181-207.
49. Palsson, F., Bjornsson, H., Haraldsson, H. H. and Magnusson, E. (2006). Vatnajokull. Mass balance, meltwater drainage and surface velocity of the glacial years 20042005. RH-06-2006. Science Institute, University of Iceland.
50. Rist, S. (1955). SkeiSararhlaup 1954. Jokull, 5, 30-36.
51. Rist, S. (1967). Jokulhlaups from the ice cover of Myrdalsjokull on June 25, 1955 and January 20, 1956. Jokull, 17, 243-248.
52. Roberts, M. J., Russell, A. J., Tweed, F. S. and Knudsen, O. (2000). Ice fracturing during jokulhlaups: implications for englacial floodwater routing and outlet development. Earth Surface Processes and Landforms, 25, 1-18.
53. Rothlisberger, H. (1972). Water pressure in intra- and subglacial channels. Journal ofGlaciology, 62, 177-203.
54. Russell, A. J., Tweed, F. S. and Knudsen, O. (2000). Flash flood at Solheimajokull heralds the reawakening of an Icelandic subglacial volcano. Geology Today, 16, 102-106.
55. S®mundsson, K. (1973). StraumrakaSar klappir i kringum Asbyrgi. [Grooving on lava surfaces at Asbyrgi NE-Iceland.] Natturufradingurinn, 42, 81-99.
56. Schmidt, E. (1979). Properties of Water and Steam in SI-Units, ed. U. Grigull. Springer Verlag.
57. Shreve, R. (1972). Movement of water in glaciers. Journal of Glaciology, 62, 205-214.
58. Sigmundsson, F., Sturkell, E., Pinel, V. et al. (2004). Deformation and eruption forecasting at volcanoes under retreating ice caps: discriminating signs of magma inflow and ice unloading at Gnmsvotn and Katla volcanoes, Iceland. Eos Trans. AGU 85(47), Fall Meeting Supplement, 608.
59. Sigvaldason, G. (1965). The Gnmsvotn thermal area. Chemical analysis of jokulhlaup water. Jokull, 15, 125-128.
60. Snorrason, A., Jonsson, P., Palsson, S. et al. (1997). HlaupiS a SkeiSararsandi haustiS 1996. UtbreiSsla, rennsli og aurburSur. In Vatnajokull: Gos og hlaup 1996, ed. H. Haraldsson. Icelandic Public Roads Administration, Reykjavik, pp. 79-137.
61. Spring, U. and Hutter, K. (1981). Numerical studies of jokulhlaups. Cold Regions Science and Technology, 4 (3), 221-244.
62. Thorarinsson, S. (1939). The ice dammed lakes of Iceland with particular reference to their values as indicators of glacier oscillations. Geografiska Annaler, 21, 216-242.
63. Thorarinsson, S. (1953). Some aspects of the Gnmsvotn problem. Journal of Glaciology, 14, 267-275.
64. Thorarinsson, S. (1957). The jokulhlaup from the Katla area in 1955 compared with other jokulhlaups in Iceland. Jokull, 7, 21-25.
65. Thorarinsson, S. (1958). The Orofajokull eruption of 1362. Acta Naturalia Islandica, 2 (2), 100pp.
66. Thorarinsson, S. (1974). Votnin Stri'S. Saga SkeiSamrhlaupa og Grmsvatnagosa. [The swift flowing rivers. The history of Gnmsvotn jokulhlaups and eruptions.] Reykjavik: Menningarsjoadur.
67. Thorarinsson, S. (1975). Katla og annall Kotlugosa. [Katla and annals of Katla eruptions.] Arbok FerSafelags Islands, Reykjavik, pp. 125-149.
68. Tomasson, H. (1973). Hamfarahlaup i Jokulsa a Fjollum. NatturufraSingurinn, 43, 12-34.
69. Tomasson, H. (1993). jokulstifluS votbn a Kili og hamfarahlaup i Hvita i Arnessyslu. NatturufraSingurinn, 62 (1-2), 77-98.
70. Tomasson, H. (1996). Thejokulhlaup from Katla in 1918. Annals of Glaciology, 22, 249-254.
71. Tryggvason, E. (1960). Earthquakes, jokulhlaups and subglacial eruptions. Jokull, 10, 18-22.
72. Waitt R. B. (2002). Great Holocene floods along jokulsa a Fjollum, North Iceland. In Flood and Megaflood Processes: Recent and Ancient Examples, eds. I. P. Martini, V. R. Baker and G. Garzon. International Association of Sedimentologists Special Publication 31, 37-51.
73. Walder, J. S. and Costa, J. E. (1996). Outburst floods from glacier-dammed lakes: the effect of mode of lake drainage on flood magnitude. Earth Surface Processes and Land- forms, 21 (8), 701-723.
74. Zopopniasson, S. (2002). Rennsli i Skaftarhlaupum 1955-2002. SZ-2002/01, Orkustofnun, Vatnamolingar.