Fróðskaparrit - 01.01.1998, Side 252

258
PALYNOLOGICAL AND VEGETATIONAL CHANGES ASSOCIATED WITH
THE DEPOSITION OF SAKSUNARVATN ASH IN THE FAROEISLANDS
1998 by Andy Dugmore who also verified the tephra Waagstein, R. and Jóhansen, J. 1968. Tre vulkanske
layers at Hagamýra and Saksunardalur as representing askelag fra Færøeme. Meddr. danskgeol. Foren. 18:
Saksunarvatn ash; Jeff Blackford carried out geochemi- 257-264.
cal analyses on the Saksunarvatn ash at Upper Hoy-
dalur.
References
Birks, H.H., Gulliksen, S., Haflidason, H., Mangerud, J.
and Possnert, G. 1996. new radiocarbon dates for the
Vedde Ash and the Saksunarvatn Ash from western
Norway. Quat. Res. 45:119-127.
Blackford, J.J., Edwards, K.J., Dugmore, A.J., Cook,
G.T. and Buckland, P.C. 1992. Icelandic volcanic
ash and the mid-Holocene Scots pine (Pinus sylvest-
ris) pollen decline in northern Scotland. The Holo-
cene 2:260-265.
Edwards, K.J., Buckland, P.C., Blackford, J.J., Dug-
more, A.J. and Sadler, J.P. 1994. The impact of
tephra: proximal and distal studies of Icelandic erup-
tions. Miinchener Geographische Abhandlungen
B 12:79-99.
Faegri, K. and Iversen, J. 1989. Textbook of pollen ana-
lysis, 4th edition by K.Faegri, P.E. Kaland and K.
Krzywinski. Wiley, Chichester.
Grimm, E.C. 1991. TILIA and TILIA'GRAPH. Illinois
State Museum, Springfield.
Jóhansen J. 1975. Pollen diagrams from the Shetland
and Faroe Islands. New Phytol. 75: 369-387.
Jóhansen, J. 1978. outwash of terrestric soils into Lake
Saksunarvatn, Faroe Islands. Danm. geol. Unders.
Árbog 1977: 31-37.
Jóhansen, J. 1982. Vegetational development in the
Faroes from 10.000 BP to the present. Danm. geol.
Unders. Árbog 1981: 111-136.
Jóhansen, J. 1985. Studies in the vegetational history of
the Faroe and Shetland islands. Tórshavn: Annales
Societatis Scientiarum Faeroensis Supplementum
XI. Thesis
Jowsey, P.C. 1966. An improved peat sampler. New
Phytol. 65:245-8.
Mangerud, J., Furnes, H. and Jóhansen, J. 1986. A 9000
year-old ash bed on the Faroe Islands. Quat. Res. 26:
262-265.
Rundgren, M. 1997. Late Weichselian and early Holo-
cene changes ofvegetation, climate and sea level on
the Skagipeninsula, northern Iceland. Lund Univer-
sity, Department of Quaternary Geology, Lundqua
Thesis. Lund.
Stockmarr, J. 1971. Tablets with spores used in absolute
pollen analysis. Pollen Spores 13: 615-621.