Náttúrufræðingurinn - 1993, Qupperneq 113

Englewood Cliffs, New Jersey. 397 bls.
Driscoll, C.T., J.P. Baker, J.J. Bisogni &
C.L. Schofield 1980. Effect of alumi-
nium speciation on físh in dilute acidi-
fíed waters. Nature 284. 161-164.
Freysteinn Sigurðsson 1990. Groundwater
from glacial areas in Iceland. Jökull 40.
119-146.
Freysteinn Sigurðsson 1993. Groundwater
chemistry and aquifer classification in
Iceland. í Hydrogelogy of Hard Rocks,
1. A.H. Memoires, XXIV, Part 1. (ritstj.
S. Banks & D Banks). International As-
sociation of Hydrogeologists. Bls. 507-
518.
Freysteinn Sigurðsson & Kristinn Einars-
son 1988. Groundwater resources oflce-
land - availability and demand. Jökull
38. 35-53.
Graedel, T.E. & J.P. Franey 1975. Field
measurements of submicron areosol
washout by snow. Geophys. Res. Lett.
2. 325-328.
Guðmundur Kjartansson 1945. Vatns-
fallategundir. Náttúrufrœðingurinn 15.
113-126.
Guðmundur E. Sigvaldason 1963. Influ-
ence of geothermal activity on the chem-
istry of three glacial rivers in southern
Iceland. Jökull 13. 10-17.
Guðmundur E. Sigvaldason 1965. The
Grímsvötn area. Chemical analysis of
jökulhlaup water. Jökull 15. 125-128.
Halldór Ármannsson, Helgi F. Magnússon,
Pétur Sigurðsson & Sigurjón Rist 1973.
Efnarannsókn vatna. Vatnasvið Hvítár -
Ölfusár; einnig Þjórsár við Urriðafoss.
Orkustofnun, OS - Rl. 28 bls.
Helgi Björnsson & Hrefna Kristmanns-
dóttir 1984. The Grímsvötn geothermal
area. Vatnaiökull, lceland. Jökull 34.
25-50.
Jón Ólafsson 1979. The chemistry of the
Lake Mývatn and the River Laxá. Oikos
32. 82-112.
Jón Ólafsson 1980. Temperature structure
and water chemistry of the caldera lake
Öskjuvatn: Limnol. Ocenaogr. 25. 779-
787.
Jón Ólafsson 1991. Undirstöður lífríkis í
Mývatni. í Náttúra Mývatns (ritstj.
Arnþór Garðarsson og Árni Einarsson).
Hið íslenska náttúrufrœðifélag, Revkja-
vik. Bls. 141-165.
Jón Ólafsson 1992. Chemical characteris-
tics and trace elements of Thingvalla-
vatn. Oikos 64. 151-161.
Lamb, H.H. 1972. Climate: Present, Past
and Future, vol. 1. Fundamentals and
climate now. Methuen & Co. Ltd. Lon-
don. 613 bls.
Meybeck, M. 1979. Concentrations des
eaux fluviales en éléments majeurs et
apports en solution aux océans: Rev.
Geologie Dynamique et Geographie
Physique 21. 215-246.
Meybeck, M. 1982. Carbon, nitrogen, and
phosphorus transport by world rivers:
American Journal of Science 282. 401-
450.
Níels Óskarsson 1980. The interaction be-
tween volcanic gases and thephra; fluo-
rine adhering to thephra of the 1970
Hekla eruption. Journal of Volcanology
and Geothermal Research 8. 251-266.
Raiswell, R. & A.G. Thomas 1984. Solute
acquisition in glacial melt waters. I.
Fjallsjökull (south-east Iceland): bulk
meltwaters with closed-system char-
acterisitics. Journal of Glaciology 30.
35-43.
Sigurður R. Gíslason 1989. Kinetics of
water-air interactions in rivers: A field
study in Iceland. í Water-Rock Interac-
tions (ritstj. D.L. Miles). Balkema,
Rotterdam. Bls. 263-266.
Sigurður Reynir Gíslason 1990. Chemis-
try of precipitation on the Vatnajökull
glacier and the chemical fractionation
caused by the partial melting of snow.
Jökull 40. 97-117.
Sigurður R. Gíslason & H. Eugster 1987a.
Meteoric water-basalt interactions: I. A
laboratory study. Geochim. Cosmochim.
Acta 51. 2827-2840.
Sigurður R. Gíslason & H. Eugster 1987b.
Meteroric water-basalt interactions: II.
A field study in NE Iceland. Geochim.
Cosmochim. Acta 51. 2841-2855.
Sigurður R. Gíslason & Stefán Arnórsson
1988. Efnafræði árvatns á íslandi og
hraði efnarofs. Náttúrufrœðingurinn 58.
183-197.
Sigurður R. Gíslason & Stefán Arnórsson
1990. Saturation state of natural waters
in lceland relative to primary and sec-
ondary minerals in basalts. í Fluid-Min-
eral Interactions: A Tribute to H.P.
235