Náttúrufræðingurinn - 1993, Side 26

Abbot, C.G. 1913. Do volcanic explo-
sions affect our climate? The National
Geographic Magazine 24. 181-198.
Agúst Guðmundsson, Níels Oskarsson,
Karl Grönvold, Kristján Sæmundsson,
Oddur Sigurðsson, Ragnar Stefánsson,
Sigurður R. Gíslason, Páll Einarsson,
Bryndís Brandsdóttir, Guðrún Larsen,
Haukur Jóhannesson & Þorvaldur Þórð-
arson 1992. The 1991 eruption of Hekla,
Iceland. Bull. Volcanol. 54. 238-246.
Baron, W.R. 1992. 1816 in perspective:
The view from the northeastern United
States. í The Year Without Summer?
(ritstj. C.R. Harington). Canadian Mu-
seum of Nature, Ottawa. Bls. 124-144.
Carey, S.N. & Haraldur Sigurðsson 1982.
The influence of particle aggregation
on the deposition of distal tephra from
the 18 May 1980 eruption of Mt. St.
Helens volcano. J. Geophys. Res. 87.
7061-7072.
Durey, M. 1979. The return of the plague.
Gill and Macmillam, Dublin. 269 bls.
Forsyth, P.Y. 1988. In the wake of Etna,
44 BC. Classical Antiquity 7. 49-57.
Franklin, B. 1784. Meteorological imagi-
nations and conjectures. The Literary
& Philosophical Society of Manches-
ter, Memoirs II. 357.
Guoit, J. 1992. The climate in central
Canada and southwestern Europe re-
constructed by combining various
types of proxy data; a detailed analy-
sis of the 1810-1820 period. í The
Year Without Summer? (ritstj. C.R.
Harington). Canadian Museum of Na-
ture, Ottawa. Bls. 291-308.
Hammer, C.U., H.B. Clausen & W. Dans-
gaard 1980. Greenland Ice sheet evi-
dence og postglacial volcanism and its
climate impact. Nature 288. 230-235.
Hansen, J., A. Lacis, R. Ruedy, M. Sato &
H. Wilson 1993. Global climate change.
Research and Exploration (í prentun).
Haraldur Sigurðsson 1970. The Petrology
and Chemistry of the Setberg Volcanic
Region and of the Intermediate and
Acid Rocks of Iceland. PhD-ritg. Uni-
versity of Durham, England. 321 bls.
Haraldur Sigurðsson 1982. Volcanic pol-
lution and climate: the 1783 Laki erup-
tion. EOS 63. 601-602.
Haraldur Sigurðsson og Árni Þór
Kristjánsson 1989. Leiðangur á eld-
fjallið Tambora. Lesbók Morgun-
blaðsins, 17. tbl. bls. 7-10.
Haraldur Sigurðsson, S. Carey, W.
Cornell & T. Pescatore 1985. The
eruption of Vesuvius in A.D. 79. Na-
tional Geogr. Res. 1. 332-387.
Haraldur Sigurðsson & S. Carey 1988.
The far reach of Tambora. Natural His-
tory, June, 8. 66-73.
Haraldur Sigurðsson & S. Carey 1989.
Plinian and co-ignimbrite tephra fall
from the 1815 eruption of Tambora
volcano. Bull. Volcanol. 51. 243-270.
Haraldur Sigurðsson & S. Carey 1992.
The eruption of Tambora in 1815: en-
vironmental effects and eruption dy-
namics. í The Year Without Summer?
(ritstj. C.R. Harington). Canadian Mu-
seum of Nature, Ottawa. Bls. 16-45.
Harington, C.R. (ritstj.). 1992. The Year
Without Summer? Canadian Museum
of Nature, Ottawa. 576 bls.
Humphreys, W.J. 1913. Volcanic dust
and other factors in the production of
climatic changes and their possible re-
lation to ice ages. Bull. Mount Weather
Observatory, VI. 1-34.
Humphreys, W.J. 1920. Physics of the
air. Philadelphia. 665 bls.
Jorgensen, K.Á. 1980. The Thórsmörk ig-
nimbrite; an unusual comenditic pyro-
clastic flow in southern lceland. J.
Volcanol. Geotherm. Res. 8. 7-22.
Kington, J. 1992. Weather patterns over
Europe in 1816. í The Year Without
Summer? (ritstj. C.R. Harington). Ca-
nadian Museum of Nature, Ottawa.
Bls. 358-371.
Ladurie, E.L.R. 1971. Times of feast,
times of famine. New York. 438 bls.
Langway, C.C., H.B. Clausen & C.U.
Hammer 1988: An inter-hemispheric
volcanic time marker in ice cores from
Greenland and Antarctica. Ann.
Glaciol. 10. 102-108.
Manley, G. 1946. Temperature trend in
Lancashire 1753-1945. Quart. J. Roy.
Met. Soc. 72. 1-21.
Níels Óskarsson 1980. The interaction
between volcanic gases and tephra:
fluorine adhering to tcphra of the 1970
Hekla eruption. J. Volcanol. Geotherm.
Res. 8. 251-266.
148
J