Jökull


Jökull - 01.01.2005, Side 85

Jökull - 01.01.2005, Side 85
A late Holocene jökulhlaup, Markarfljót, Iceland: nature and impacts að slíkir atburðir áttu sér stað í fortíðinni og að gera sér grein fyrir eðli þeirra, áhrifum og umfangi, sér- staklega þar að ummerkin hafa víðast glatast úr eldri setlögum frá nútíma vegna síðari virkni landmótunar- aflanna. REFERENCES Bronk Ramsey C. 1995. Radiocarbon Calibration and Analysis of Stratigraphy: The OxCal Program. Radio- carbon. 37, 2, 425–430. Bronk Ramsey C. 2001. Development of the Radiocarbon Program OxCal. Radiocarbon. 43, 2A, 355–363. Bronk Ramsey, C. 2005. OxCal Version 3.10. http://www.rlaha.ox.ac.uk/O/oxcal.php Buckland, P. C., A. J. Dugmore, D. W. Perry, D. Savory and G. Sveinbjarnardóttir 1991. Holt in Eyjafjalla- sveit, Iceland: a palaeoecological study of the impact of Landnám. Acta Archaeologica 61, 252-271. Dugmore, A. J. 1987. Holocene glacier fluctua- tions around Eyjafjallajökull, south Iceland: A tephrochronological study. Unpublished PhD thesis, Department of Geography, University of Aberdeen. Dugmore, A. J., A. J. Newton, G. Larsen and G. T. Cook 2000. Tephrochronology, Environmental Change and the Norse Settlement of Iceland. Environmental Ar- chaeology 5, 21–34. Dugmore, A. J., M. J. Church, P. C. Buckland, K. J. Edwards, I. Lawson, T. H. McGovern, E. Panagio- takopulo, I. A. Simpson, P. Skidmore and G. Svein- bjarnardóttir 2005. The Norse landnám on the North Atlantic islands: an environmental impact assessment. Polar Record 41, 216, 21–37. Eggertsson, Ó., Ó. Knudsen and H. J. Gudmundsson 2004. Drumbabót í Fljótshlíð – fornskógur sem varð Kötlu að bráð? Fræðaþing landbúnaðarins 2004, 337–340. Einarsson, P. 2000. Atburðarás í tengslum við hlaup í Jökulsá á Sólheimasandi í júlí 1999. Jarðfræðafélag Íslands, Febrúarráðstefna 2000, p14. Frenzen, P. M., J. E. Means, J. F. Franklin, C. W. Kiils- gaard, A. McKee and F. J. Swanson 1986. Five Years of Plant Succession on Eleven Major Surface Types affected by the 1980 Eruptions of Mount St Helens, Washington, In S. A. C. Keller, ed. Mount St. He- lens: Five Years Later, Eastern Washington University Press, Washington, 441 pp. Gröndal, G. O., G. Larsen and S. Elefsen 2005. Stærðir forsögulegra hamfaraflóða í Markarfljóti – mæling á farvegum neðan Einhyrningsflata. In M. T. Guð- mundsson and Á. G. Gylfason, eds. Hættumat vegna eldgosa og hlaupa frá vestanverðum Mýrdalsjökli og Eyjafjallajökli. Ríkislögreglustjórinn and Háskólaút- gáfan, 99–104. Grönvold, K., N. Óskarsson, S. J. Johnsen, H. B. Clausen, C. U. Hammer, G. Bond and E. Bard 1995. Tephra lay- ers from Iceland in the Greenland GRIP ice core cor- related with oceanic and land based sediments. Earth and Planetary Science Letters 135, 149–155. Guðmundsson, M. T., J. Elíasson, G. Larsen, Á. G. Gylfa- son, P. Einarsson, T. Jóhannesson, K. M. Hákonar- dóttir and H. Torfason 2005. Yfirlit um hættu vegna eldgosa og hlaupa frá vesturhluta Mýrdalsjökuls og Eyjafjallajökli. In M. T. Guðmundsson and Á. G. Gylfason, eds. Hættumat vegna eldgosa og hlaupa frá vestanverðum Mýrdalsjökli og Eyjafjallajökli. Ríkis- lögreglustjórinn and Háskólaútgáfan. 11–44. Hammer, C. V., H. B. Clausen and W. Dansgaard 1980. Greenland ice sheet evidence for postglacial volcan- ism and its climatic impact. Nature 288, 230–235. Haraldsson, H. 1981. The Markarfljót sandur area, south- ern Iceland. Sedimentological, petrological and strati- graphical studies. Striae 15, 1–58. Haraldsson, H. 1993. Eyðings lands af völdum vatna. Goðasteinn 3. og 4. árg. 1992–1993, 76–84. Jónsson, J. 1982. Notes on the Katla volcanoglacial debris flows. Jökull 32, 61–68. Larsen, G. 1979. Um aldur Eldgjárhrauna. Náttúrufræð- ingurinn 49, 1–26. Larsen, G. 2000. Holocene eruptions within the Katla Vol- canic System, south Iceland: Characteristics and envi- ronmental impact. Jökull 49, 1–28. Larsen, G., A. J. Dugmore and A. J. Newton 1999. Geo- chemistry of historical-age silicic tephras in Iceland. The Holocene 9, 4, 463–471. Larsen, G., K. T. Smith, A. J. Newton and Ó. Knudsen 2005. Jökulhlaup til vesturs frá Mýrdalsjökli: Um- merki um forsöguleg hlaup niður Markarfljót. In M. T. Guðmundsson and Á. G. Gylfason, eds. Hættumat vegna eldgosa og hlaupa frá vestanverðum Mýrdal- sjökli og Eyjafjallajökli. Ríkislögreglustjórinn and Háskólaútgáfan. 75–98. Maizels, J. K. 1989. Sedimentology, palaeoflow dynam- ics and flood history of jökulhlaup deposits: palaeohy- drology of Holocene sediment sequences in southern Iceland sandur deposits. J. Sedimentary Petrology 59, 2, 204–223. JÖKULL No. 55 85
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