Ritskrá / Publications

Ritrýndar greinar og bókarkaflar / Reviewed papers

Helgi Björnsson
Research Professor Emeritus
Institute of Earth Sciences
University of Iceland
Janúar 2022


169. Stephen J. Livingstone, Yan Li, Anja Rutishauser, Rebecca J. Sanderson, Kate Winter, Jill A. Mikucki, Helgi Björnsson, Jade S. Bowling, Winnie Chu, Christine F. Dow, Helen A. Fricker, Malcolm McMillan, Felix S. L. Ng, Neil Ross, Martin J. Siegert, Matthew Siegfried & Andrew J. Sole. 2022. Subglacial lakes and their changing role in a warming climate.  Nature Reviews Earth & Environment (2022). https://doi.org/10.1038/s43017-021-00246-9

168. Helgi Björnsson and Thora Ellen Thorhallsdóttir. 2021. In the Realm of Vatnajökull. A Companion on the Southern Ring Road. 255 pp. Mál og Menning. Reykjavík.

167. Guðmundsson, S. and H. Björnsson. 2020b. Um farvegi Jökulsár á Breiðamerkursandi á síðustu öldum. Jökull 70, 119-128.

166. Guðmundsson, S. and H. Björnsson. 2020a. Little Ice Age advances of Kvískerjajöklar. Öræfajökull, Iceland. A contribution to the assessment of glacier variations in Iceland since the late 18th century. Jökull 70, 73-85.

165. Guðfinna Aðalgeirsdóttir, Eyjólfur Magnússon, Finnur Pálsson,Thorsteinn Thorsteinsson, Joaquín M.C. Belart, Tómas Jóhannesson ,Hrafnhildur Hannesdóttir, Oddur Sigurðsson, Andri Gunnarsson, Bergur Einarsson, Etienne Berthier, Louise Steffensen Schmidt, Hannes H.Haraldsson, and Helgi Björnsson. 2020. Glacier changes in Iceland from ∼1890 to 2019. Frontiers in Earth Science 26 Nov 2020 8:574754. doi: 10.3389/feart.2020.523646

164. Joaquín M. C. Belart, Eyjólfur Magnússon, Etienne Berthier, Ágúst Þ. Gunnlaugsson, Finnur Pálsson, Guðfinna Aðalgeirsdóttir, Tómas Jóhannesson, Thorsteinn Thorsteinsson and Helgi Björnsson
. 2020Mass Balance of 14 Icelandic Glaciers, 1945-2017: Spatial Variations and Links With Climate. Front. Earth Sci., 03 June 2020. https://doi.org/10.3389/feart.2020.00163

163. Björnsson H, Pálsson F. 2020. Radio-echo soundings on Icelandic temperate glaciers: history of techniques and findings. Annals of Glaciology 1-10. https:// doi.org/10.1017/aog.2020.10

162. Vinay Kumar Gaddam, Anil V. Kulkarni, Helgi Bjornsson, Sriram Gullapalli & Mallesh Ballina. 2019. Applications of SPOT-7 tri-stereo imagery in deriving the surface topography and mass changes of glaciers in Indian Himalaya, Geocarto International, DOI: 10.1080/10106049.2019.1648567

161. Schmidt LS, Aðalgeirsdóttir G, Pálsson F, Langen PL, Guðmundsson S, Björnsson H. 2019. Dynamic simulations of Vatnajökull ice cap from 1980 to 2300. Journal of Glaciology 66(255), 97-112. https://doi.org/10.1017/jog.2019.90

160. Snævarr Guðmundsson and Helgi Björnsson. 2019. Changes to Breidamerkur Glacier and Hoffellsjokull 2010-2019. Jökull, vol. 69, p 137-144.  DOI: 10.33799/jokull2019.69.137o

159. Snævarr Guðmundsson, Helgi Björnsson, Finnur Pálsson, Eyjólfur Magnússon, Thorsteinn Sæmundsson, Tómas Jóhannesson. 2019. Terminus lakes on the south side of Vatnajokull ice cap, SE-Iceland. Jökull, vol 69, p 1-34.  DOI: 10.33799/jokull2019.69.001

158. 
Furst, JJ; Navarro, F; Gillet-Chaulet, F; Huss, M; Moholdt, G; Fettweis, X; Lang, C; Seehaus, T; Ai, ST; Benham, TJ; Benn, DI; Bjornsson, H; Dowdeswell, JA; Grabiec, M; Kohler, J; Lavrentiev, I; Lindback, K; Melvold, K; Pettersson, R; Rippin, D; Saintenoy, A; Sanchez-Gamez; Schuler, TV; Sevestre, H; Vasilenko, E; Braun, MH. 2018. The Ice-Free Topography of Svalbard. Geopohysical Research Leters, Volume: 45, Issue: 21, Pages: 11760-11769. DOI: 10.1029/2018GL079734

157. Björnsson, H. 2017. The glaciers of Iceland. A historical, cultural and scientific overview. Atlantis Advances in Quaternary Science. Atlantis Press. ISBN 978-94-6239-206-9.

156. Guðmundsson, Sn., H. Björnsson, and F. Pálsson. 2017. Changes of Breiðamerkurjökull glacier, SE-Iceland, from its late nineteenth century maximum to the present. Geografiska Annaler: Series A, Physical Geography, (4), 338-352. 10.1080/04353676.2017.1355216, http://dx.doi.org/10.1080/04353676.2017.1355216.

155. Wittmann, M., Ch. Dorothea, G. Groot Zwaaftink,  Louise Steffensen Schmidt., Sv.  Guðmundsson, F. Pálsson, O. Arnalds, H. Björnsson, Th.  Thorsteinsson, F.  Pálsson, A. Stohl. 2017. Impact of dust deposition on the albedo of Vatnajökull ice cap, Iceland. The Cryosphere, 11, 741-754, https://doi.org/10.5194/tc-11-741-2017.

154. Schmidt, L. S., G. Aðalgeirsdóttir, Sv. Guðmundsson, P. L. Langen, F. Pálsson, R. Mottram, S. Gascoin, and H. Björnsson. 2017. The importance of accurate glacier albedo for estimates of surface mass balance on Vatnajökull: evaluating the surface energy budget in a regional climate model with automatic weather station observations The Cryosphere, 11, 1665-1684, https://doi.org/10.5194/tc-11-1665-2017.

153. Gascoin, S., Sv. Guðmundsson, G. Aðalgeirsdóttir, F. Pálsson, L. Schmidt, E.  Berthier, H. Björnsson. 2017. Evaluation of MODIS Albedo Product over Ice Caps in Iceland and Impact of Volcanic Eruptions on Their Albedo. Remote Sens. 2017, 9, 399 ; doi:10.3390/rs9050399.

152. Sørensen, L. S., A. H. Jarosch, G.  Aðalgeirsdóttir, V. R.  Barletta, R. Forsberg, F. Pálsson, H.  Björnsson, and T. Jóhannesson. J. 2017. The effect of signal leakage and glacial isostatic rebound on GRACE-derived ice mass changes in Iceland. Geophysical Journal International, Volume 209, Issue 1, 1 April 2017, Pages 226-233, https://doi.org/10.1093/gji/ggx008

151. Foresta, L., N. Gourmelen, F. Pálsson, P. Nienow, H. Björnsson and A. Shepherd. 2016. Surface elevation change and mass balance of Icelandic ice caps derived from swath mode CryoSat-2 altimetry, Geophys. Res. Lett.,43, doi:10.1002 /2016GL071485.

150. Brent , M., M. Simons,  H. Björnsson, F. Pálsson, M.  Morlighem, H.  Seroussi, E. Larour  and  S, Hensley. 2016. Plastic bed beneath Hofsjökull Ice Cap, central Iceland, and the sensitivity of ice flow to surface meltwater flux. Journal of Glaciology, 62, pp 147- 158. doi:10.1017/jog.2016.26.

149. Allen, P., I. C.  Willis, F.  Pálsson, N. S.  Arnold, W. R.  Rees, H.  Björnsson and L. Grey. 2016. Elevation change, mass balance, dynamics and surging of Langjökull, Iceland from 1997 to 2007. Journal of Glaciology. Available on CJO 2016 doi:10.1017/jog.2016.55.

148. Hannesdóttir, H., G. Aðalgeirsdóttir,  T. Jóhannesson, Sv. Guðmundsson., O. Crochet, H. Ágústsson., E. Magnússon, S. Þ.  Sigurðsson, H. Björnsson. 2015. Downscaled precipitation applied in modelling of mass balance and the evolution of southeast Vatnajökull, Iceland. Journal of Glaciology 61 (228), 799-813.
doi:10.3189/2015JoG15J024.

147. Minchew, B., M. Simons, S. Hensley, H. Björnsson, F. Pálsson, P.  Milillo. 2015. Multiple glacier surges observed with airborne and spaceborne interferometric synthetic aperture radar. Geoscience and Remote Sensing Symposium (IGARSS), 2015 IEEE International. Pages: 5316-5319, DOI: 10.1109/IGARSS.2015.7327035.

146. Matthews T., R. Hodgkins,  R. L. Wilby, Sv.  Guðmundsson, F. Pálsson, H.  Björnsson and S. Carr.  2015. Conditioning temperature-index model parameters on synoptic weather types for glacier melt simulations. Hydrological Processes 29 (6), 1027-1045. https://doi.org/10.1002/hyp.10217

145. Minchew, B., M. Simons, S. Hensley, H.  Björnsson and F. Pálsson.  2015. Early melt season velocity fields of Langjökull and Hofsjökull, central Iceland, Journal of Glaciology 61 (226), 253. https://doi.org/10.3189/2015JoG14J023

144. Freysteinn Sigmundsson, Andrew Hooper, Sigrún Hreinsdóttir, Kristín S. Vogfjörd, Benedikt G. Ófeigsson, Elías Rafn Heimisson, Stéphanie Dumont, Michelle Parks, Karsten Spaans, Gunnar B. Gudmundsson, Vincent Drouin, Thóra Árnadóttir, Kristín Jónsdóttir, Magnús T. Gudmundsson, Thórdís Högnadóttir, Hildur María Fridriksdóttir, Martin Hensch, Páll Einarsson, Eyjólfur Magnússon, Sergey Samsonov, Bryndís Brandsdóttir, Robert S. White, Thorbjörg Ágústsdóttir, Tim Greenfield, Robert G. Green, Ásta Rut Hjartardóttir, Rikke Pedersen, Richard A. Bennett, Halldór Geirsson, Peter C. La Femina, Helgi Björnsson, Finnur Pálsson, Erik Sturkell, Christopher J. Bean, Martin Möllhoff, Aoife K. Braiden & Eva P. S. Eibl. 2015. Segmented lateral dyke growth in a rifting event at Bárðarbunga volcanic system, Iceland. Nature 517, 191-195 (08 January 2015) doi:10.1038/nature14111.

143. Hannesdóttir H., H. Björnsson, F. Pálsson, G. Aðalgeirsdóttir, and S. Guðmundsson. 2014. Area, volume and mass changes of southeast Vatnajökull ice cap, Iceland, from the Little Ice Age maximum in the late 19th century to 2010. The Cryosphere Discuss., 8, 4681-4735, 2014, www.the-cryosphere-discuss.net/8/4681/2014/, doi:10.5194/tcd-8-4681-2014.

142. Hannesdóttir, H., Björnsson, H., Pálsson, F., Aðalgeirsdóttir, G. and Guðmundsson, S. 2014. Variations of southeast Vatnajökull ice cap (Iceland) 1650-1900 and reconstruction ofthe glacier surface geometry at the Little Ice Age maximum. Geografiska Annaler: Series A, Physical Geography. doi:10.1111/geoa.12064.

141. Auriac, A.. F. Sigmundsson, A. Hooper, K. H. Spaans, H. Björnsson, F. Pálsson, V. Pinel and K. L. Feig. 2014. InSAR observations and models of crustal deformation due to a glacial surge in Iceland. Geophys. J. Int. 198, 1329.1341 doi: 10.1093/gji/ggu205

140. Matthews, T., Hodgkins, R., Guðmundsson, S., Pálsson, F. and Björnsson, H. 2014. Inter-decadal variability in potential glacier surface melt energy at Vestari Hagafellsjökull (Langjökull, Iceland) and the role of synoptic circulation. Int. J. Climatol.. doi: 10.1002/joc.4191.

139. Matthews, T., Hodgkins, R., Wilby, R. L., Guðmundsson, S., Pálsson, F., Björnsson, H. and Carr, S. 2014. Conditioning temperature-index model parameters on synoptic weather types for glacier melt simulations. Hydrol. Process. doi: 10.1002/hyp.10217

138. Björnsson, Helgi, F. Pálsson, S. Gudmundsson, E. Magnússon, G. Adalgeirsdóttir, T. Jóhannesson, E. Berthier, O. Sigurdsson, and Th. Thorsteinsson, 2013. Contribution of Icelandic ice caps to sea level rise: Trends and variability since the Little Ice Age. Geophysical Research Letters, Vol. 40, 1-5, doi:10.1002/grl.50278.

137. Rebecca Möllera, Marco Möller, Helgi Björnsson, Sverrir Guðmundsson, Finnur Pálsson, Björn Oddsson, Peter A. Kukla, Christoph Schneider. 2013. MODIS-derived albedo changes of Vatnajökull (Iceland) due to tephradeposition from the 2004 Grímsvötn eruption. International Journal of Applied Earth Observation and Geoinformation 26, 256-269.

136. Pálsson, F., Sv. Guðmundsson, H. Björnsson, E. Berthier, E. Magnússon, Sn. Guðmundsson and H. H. Haraldsson. 2012. Mass and volume changes of Langjökull ice cap, Iceland, ~1890 to 2009, deduced from old maps, satellite images and in situ mass balance measurements. Jökull, 62, 81-96. timarit.is

135. Magnússon, E., F. Pálsson, H. Björnsson and S, Guðmundsson. 2012. Removing the ice cap of Öræfajökull central volcano, SE-Iceland: Mapping and interpretation of bedrock topography, ice volumes, subglacial troughs and implications for hazards assessments. Jökull, 62, 131-150. timarit.is

134. Hodgkins, R., S. Carr, F. Pálsson, S. Guðmundsson, H. Björnsson. 2012. Modelling variable glacier lapse rates using ERA Interim reanalysis climatology: an evaluation at Vestari Hagafellsjökull, Langjökull, Iceland. International Journal of Climatology. DOI:10.1002/joc.3440.

133. Jóhannesson, Tómas, Helgi Björnsson, Eyjólfur Guðmundsson, Sverrir Guðmundsson, Finnur Pálsson, Oddur Sigurðsson, Thorsteinn Thorsteinsson and Etienne Berthier. 2012. Ice-volume changes, bias-estimation of mass-balance measurments and changes in subglacial lakes derived by LiDAR-mapping of the surface of Icelandic glaciers. Annals of Glaciology, Volume 54, Issue 63, 2013, pp. 63-74. https://doi.org/10.3189/2013AoG63A422

132. Guðmundsson, Sverrir, Helgi Björnsson, Eyjólfur Magnússon, Etienne Berthier, Finnur Pálsson, Magnús Tumi Guðmundsson, Þórdís Högnadóttir and J¢rgen Dall. 2011. Response of Eyjafjallajökull, Torfajökull and Tindfjallajökull ice caps in Iceland to regional warming, deduced by remote sensing. Polar Research, 30, 7282 - DOI: 10.3402/polar.v30i0.7282.

131. Magnússon, E., H. Björnsson, H. Rott, M. J. Roberts, F. Pálsson, S. Guðmundsson, R. A. Bennett, H. Geirsson and E. Sturkell. 2011. Localized uplift of Vatnajökull ice cap, Iceland: subglacial water accumulation deduced from InSAR and GPS observations. Journal of Glaciology, 57(203), 475-484. https://doi.org/10.3189/002214311796905703

130. Jóhannesson, Tómas, Helgi Björnsson, Finnur Pálsson, Oddur Sigurðsson and Þorsteinn Þorsteinsson. 2011. LiDAR mapping of the Snæfellsjökull ice cap, western Iceland. Jökull, 61, 19-32. timarit.is

129. Aðalgeirsdóttir, Guðfinna, Sverrir Guðmundsson, Helgi Björnsson, Finnur Pálsson, Tómas Jóhannesson, Hrafnhildur Hannesdóttir, Sven Þ. Sigurðsson, and Etienne Berthier. 2011. Modelling the 20th and 21st century evolution of Hoffellsjökull glacier, SE-Vatnajökull, Iceland. The Cryosphere, 5, 961-975, 2011. doi:10.5194/tc-5-961-2011.

128. Gourmelen, S.W. Kim, A. Shepherd, J.W. Park, A.V. Sundal, H. Björnsson, F. Pálsson. 2011. Ice velocity determined using conventional and multiple-aperture InSAR, 2 N. Earth and Planetary Science Letters,Vol. 307, 1-2, 156-160.

127. Björnsson, Helgi. 2010. Understanding jökulhlaups: from tale to theory. Journal of Glaciology, Vol. 56, No. 200, 1002-1010. https://doi.org/10.3189/002214311796406086

126. Magnússon, E., H. Björnsson, H. Rott, and F. Pálsson. 2010. Reduced glacier sliding caused by persistent drainage from a subglacial lake. The Cryosphere, 4, 13-20.

125. Björnsson, Helgi. 2009. Jökulhlaups in Iceland: sources, release and drainage. In: , eds. Burr, D. M., P. A. Carling and V. R. Baker. Megaflooding on Earth and Mars. Cambridge University Press. Cambridge. p. 50-62.

124. Árnadóttir, T., Lund, B., Jiang, W., Geirsson, H., Björnsson, H., Einarsson, P., Sigurðsson, T. 2009. Glacial rebound and plate spreading: Results from the first countrywide GPS observations in Iceland. Geophysical Journal International, 177 (2), 691-716.

123. Guðmundsson, Sverrir,  Helgi Björnsson, Finnur Pálsson and Hannes H. Haraldsson. 2009. Comparison of energy balance and degree-day models of summer ablation on the Langjökull ice cap, SW Iceland. Jökull, 59, 1-18. timarit.is

122. Guðmundsson, Sverrir, Helgi Björnsson, Guðfinna Aðalgeirsdóttir, Tómas Jóhannesson, Finnur Pálsson and Oddur Sigurðsson. 2009. Similarities and differences in the response of two ice caps in Iceland to climate warming. Hydrology Research, 40(5), 495-502.

121. Palmer, Steven, Andrew Shepherd, Helgi Björnsson, Finnur Pálsson, 2009. Ice velocity measurements of Langjökull, Iceland, from interferometric synthetic aperture radar (InSAR). Journal of Glaciology, 55, 834-838(5).

120. Björnsson, Helgi. 2009. Jöklar á Íslandi. Bókaútgáfan Opna. Reykjavík. 479 bls. ISBN 978-9935-10-004-7.

119. Björnsson, Helgi and Finnur Pálsson. 2008. Icelandic glaciers. Jökull, 58, 365-386. timarit.is

118. Bar-Nun, Akiva, Finnur Pálsson, Helgi Björnsson. 2008. Formation of smooth terrains on Comet Tempel 1. Icarus, 197, 164-168.

117. Howat, I. M., S. Tulaczyk, E. D. Waddington, and H. Björnsson. 2008. Dynamic controls on glacier basal motion inferred from surface ice motion. Journal of Geophysical Research, doi:10.1029/2007JF000925.

116. Flowers, G. E. , H. Björnsson, Á. Geirsdóttir, G. H. Miller, J. L. Black, G. K. C. Clarke. 2008. Holocene climate conditions and glacier variation in central Iceland from physical modelling and empirical evidence. Quaternary Science Reviews, 27, 797-813. doi:10.1016/j.quascirev.2007.12.004.

115. Kenichi, Matsuoka, Thröstur Thorsteinsson, Helgi Björnsson, Edwin D. Waddington. 2007. Anisotropic radio-wave scattering from englacial water regimes, Mýrdalsjökull, Iceland. Journal of Glaciology, Vol. 53, No. 182, 473-489.

114. Etzelmüller, B., H. Farbrot, H., Á. Guðmundsson, O. Humlum, O. E. Tveito, H. Björnsson. 2007. The regional distribution of mountain permafrost in Iceland. Permafrost and Periglacial Processes, Vol. 18, 2, 185-199.

113. Crochet, P., T. Jóhannesson, T. Jónsson, O. Sigurðsson, H. Björnsson, F. Pálsson and I. Barstad. 2007. Estimating the spatial distribution of precipitation in Iceland using a linear model of orographic precipitation. Journal Hydrometeorolgy, 8(6), 1285-1306.

112. Flowers, G. E., H. Björnsson, Á. Geirsdóttir, G. H. Miller and G. K. C. Clarke. 2007. Glacier fluctuation and inferred climatology of Langjökull ice cap through the Little Ice Age. Quaternary Science Reviews, 22, 2337-2353.

111. Magnússon, Eyjólfur, Helmut Rott, Helgi Björnsson, Finnur Pálsson. 2007. The impact of jökulhlaups on basal sliding observed by SAR interferometry on Vatnajökull, Iceland. Journal of Glaciology, Vol. 53, No. 181, 232-240.

110. Magnússon, Eyjólfur,  Helgi Björnsson og Finnur Pálsson. 2007. Landslag í grennd Kvískerja í fortíð og framtíð: Niðurstöður íssjármælinga á Kvíár-, Hrútár- og Fjallsjökli. Jökull, 57, 83-89. timarit.is

109. Björnsson, Helgi, Sverrir Guðmundsson, Finnur Pálsson and Hannes H. Haraldsson. 2006. Glacier winds on Vatnajökull ice cap, Iceland and their relation to temperatures of its environs. Annals of Glaciology, 42, 291-296.

108. Aðalgeirsdóttir, G., H. Björnsson, F. Pálsson, E. Magnússon. 2006. Analyses of a surging outlet glacier of Vatnajökull ice cap, Iceland. Annals of Glaciology, 42, 23-28.

107. Aðalgeirsdóttir, G. , T. Jóhannesson, H. Björnsson, F. Pálsson and O. Sigurðsson. 2006. Response of Hofsjökull and southern Vatnajökull, Iceland, to climate change. Journal of Geophysical Research, Vol. 111, F03001, doi:10.1029/2005JF000388.

106. Brandt, Ola, Helgi Björnsson and Yngvar Gjessing. 2006. Mass-balance rates derived by mapping internal tephra layers in Mýrdalsjökull and Vatnajökull ice caps, Iceland. Annals of Glaciology, 42, 284-290.

105. Calluy, G. H. K., H. Björnsson, J. W. Gruell and J. Oerlemans. 2006. Estimating the mass balance of Vatnajökull, Iceland, from NOAA AVHRR imagery. Annals of Glaciology, 42, 118-124.

104 .Berthier, E., H. Björnsson, F. Pálsson, K.L. Feigl, M. Lubes and F. Rémy. 2006. The level of the Grímsvötn subglacial lake, Vatnajökull, Iceland, monitored with SPOT5 images. Earth and Planetary Science Letters, 243, 293-302.

103 .Guðmundsson, Sverrir, Helgi Björnsson, Finnur Pálsson and Hannes H. Haraldsson, 2006. Energy balance of Brúarjökull and circumstances leading to the August 2004 floods in the river Jökla, N-Vatnajökull. Jökull, 55, 121-138. timarit.is

102Eyre NS, Pane AJ, Baldwin DJ, Björnsson H. 2005. The use of salt injection and conductivity montoring to infer near-margin conditions on Vestari-Hagafellsjökull, Iceland. Annals of Glaciology, Vol. 40, pp. 83-88. DOI: https://doi.org/10.3189/172756405781813410

101. Aðalgeirsdóttir, G., G. H. Guðmundsson, and H. Björnsson. 2005. The volume sensitivity of Vatnajökull Ice Cap, Iceland, to perturbations in equilibrium line altitude. Journal of Geophysical Research, Vol. 110, F04001,doi:10.1029/2005JF000289.

100. Magnússon, E., H. Björnsson, J. Dall and F. Pálsson. 2005. Volume changes of Vatnajökull ice cap, Iceland, due to surface mass balance, ice flow, and sub-glacial melting at geothermal areas. Geophysical Research Letters, 32 (5), L05504. doi:10.1029/2004GL021615.

99. Magnússon, E., H. Björnsson, J. Dall and F. Pálsson. 2005. The 20th century retreat of ice caps in Iceland derived from airborne SAR: W-Vatnajökull and N-Mýrdalsjökull. Earth and Planetary Science Letters, 237, 508-515.

98. Flowers, G. E., S. J. Marshall, H. Björnsson, and G. K. C. Clarke. 2005. Sensitivity of Vatnajökull ice cap hydrology and dynamics to climate warming over the next 2 centuries, Journal of Geophysical Research, 110, F02011,doi:10.1029/2004JF000200.

97. Marshall, S. J, H. Björnsson, G. E. Flowers and G. K. C. Clarke. 2005. Simulation of Vatnajökull Ice Cap Dynamics. Journal of Geophysical Research, Vol. 110, F03009,doi:10.1029/2004JF000262.

96. Roberts, Matthew, Finnur Pálsson, Magnús T. Guðmundsson, Helgi Björnsson, Fiona S. Tweed. 2005. Ice-water interactions during floods from Grænalón glacier-dammed lake, Iceland. Annals of Glaciology, 40, 133-138.

95. Magnússon, Eyjólfur, Helgi Björnsson, Finnur Pálsson and Jørgen Dall. 2005. Glaciological application of InSAR topography data of W-Vatnajökull acquired in 1998. Jökull, 54, 17-36. timarit.is

94. Black, Jessica, Gifford Miller, Áslaug Geirsdóttir, William Manley and Helgi Björnsson. 2004. Sediment thickness and Holocene erosion rates from a seismic survey of Hvítárvatn, central Iceland. Jökull, 54, 37-56. timarit.is

93. Magnússon, Eyjólfur, Helgi Björnsson og Finnur Pálsson. 2004. Íssjármælingar á Drangajökli 8.-9. apríl 2004. Jökull, 54, 85-86. timarit.is

92. Magnússon, Eyjólfur, Helgi Björnsson, Finnur Pálsson and Jørgen Dall. 2004. Glaciological application of InSAR topography data of W-Vatnajökull acquired in 1998. Jökull, 54, 17-36. timarit.is

91. Flowers, G.E., H. Björnsson, F. Pálsson and G.K.C. Clarke. 2004. A coupled sheet-conduit model of jökulhlaup propagation. Geophysical Research Letters, 31, Vol. 31, L05401, doi:10.1029/2003GL019088.
Helgi Björnsson. 2004. Glacial Floods. Mountain Geomorphology. (Eds. Philip N. Owens, Olav Slaymaker), Arnold Publishers, London. ISBN: 0-340-76417-1.

90. Fischer, Andrea, Helmut Rott and Helgi Björnsson. 2003. Observation of recent surges of Vatnajökull, Iceland, by means of ERS SAR interferometry. Annals of Glaciology, 37, 69-76.

89. Landl, Barbara,  Helgi Björnsson and Michael Kuhn. 2003. Arctic, Antarctic and Alpine Research, Vol. 35, No. 4, 64-70.

88. Rippen, David, Ian Willis, Neil Arnold, Andrew Hodson, John Moore, Jack Kohler and Helgi Björnsson. 2003. Changes in geometry and subglacial drainage of Midtre Lovénbreen, Svalbard, determined from digital elevation models. Earth Surface Processes and Landforms, 28, 273-298.

87. Ng, Felix and Helgi Björnsson. 2003. On the Clauge-Mathews relation for jökulhlaups. Journal of Glaciology, Vol. 49, No. 165, 161-172.

86. Guðmundsson, G. Hilmar, Guðfinna Adalgeirsdóttir, Helgi Björnsson. 2003. Observational verification of predicted increase in bedrock-to-surface amplitude transfer during a glacier surge. Annals of Glaciology 36, 91-96.

85   Aðalgeirsdóttir, Guðfinna, G. Hilmar Guðmundsson and Helgi Björnsson. 2003. A regression model for the mass-balance distribution of the Vatnajökull ice cap, Iceland. Annals of Glaciology, 37, 189-193.

84. Flowers, Gwenn E., Helgi Björnsson and Finnur Pálsson. 2003. New insights into the subglacial and periglacial hydrology of Vatnajökull, Iceland, from a distributed physical model. Journal of Glaciology, Vol.. 49, No. 165, 257-270.

83. Björnsson, Helgi, Finnur Pálsson, Oddur Sigurðsson and Gwenn E. Flowers. 2003. Surges of glaciers in Iceland. Annals of Glaciology, 36, 82-90.

82. Guðmundsson, Magnús T., Freysteinn Sigmundsson, Helgi Björnsson and Þórdís Högnadóttir. 2003. The 1996 eruption at Gjálp, Vatnajökull ice cap, Iceland: efficiency of heat transfer, ice deformation and subglacial water pressure. Bulletin of Volcanology, 66, 46-65.

81. de Ruyter de Wildt, Martijn,  Johannes Oerlemans and Helgi Björnsson. 2003. A calibrated mass balance model for Vatnajökull, Iceland. Jökull, 52, 1-20. timarit.is

80. Björnsson, Helgi, Finnur Pálsson and Hannes H. Haraldsson. 2002. Mass balance of Vatnajökull (1991-2001) and Langjökull (1996-2001), Iceland. Jökull, 51, 75-78. timarit.is

79. Björnsson, Helgi. 2002. Subglacial lakes and jökulhlaups in Iceland. Global and Planetary Change, 35, 255-271.

78. Guðmundsson, Magnús T., Finnur Pálsson, Helgi Björnsson and Þórdís Högnadóttir. 2002. The hyaloclastite ridge formed in the subglacial 1996 eruptin in Gjálp, Vatnajökull, Iceland: present day shape and future preservation. In: Ice-volcano interaction on Earth and Mars (eds. Smellie, J. L. and M. G. Chapman). Geol. Society London, Spec. publication. 319-335.

77. de Ruyter de Wildt, Martijn S., Johannes Oerlemans and Helgi Björnsson. 2002. A method for monitoring glacier mass balance using satellite albedo measurements: application to Vatnajökull, Iceland. Journal of Glaciology, Vol. 48, No. 161, 267-278.

76. Roberts, Matthew J., Fiona Tweed, Andrew J. Russel, Óskar Knudsen, Daniel E. Lawson, Grahame J. Larson, Edward B. Evenson and Helgi Björnsson. 2002. Glaciohydraulic supercooling in Iceland. Geology, Vol. 30, No. 5, 439-442.

75. Guðmundsson, S., M. T. Guðmundsson, H. Björnsson, F. Sigmundsson, H. Rott and J. M. Carstensen. 2002. Three-dimensional glacier surface motion maps at the Gjálp eruption site, Iceland, inferred from combining InSAR and other ice displacement data. Annals of Glaciology, 34, 315-322.

74. Björnsson, Helgi. Langjökull: Forðabúr Þingvallavatns og Hengilsins. 2002. Þingvallavatn, undraheimur í mótun (ritstjórar Pétur M. Jónasson og Páll Hersteinsson), bls. 136-143. Mál og menning. Reykjavík.

73. Björnsson, Helgi, Finnur Pálsson and Sverrir Guðmundsson. 2001. Jökulsárlón at Breiðamerkursandur, Vatnajökull, Iceland: 20th century changes and future outlook. Jökull, 50, 1-18. timarit.is

72. Björnsson, Helgi, Helmut Rott, Sverrir Guðmundsson, Andrea Fischer, Andreas Siegel and Magnús T. Guðmundsson. 2001. Glacier-volcano interactions deduced by SAR interferometry. Journal of Glaciology, Vol. 47, No. 156, 58-70.

71. Omang, O. C. D., R. Forsberg and H. Björnsson. 2001. Glacier terrain effects in geoid determination - the Iceland example. International Geoid Service (IGeS) Bulletin i No. 11, 49-72.

70. Adalgeirsdóttir, Guðfinna, Gudmundur H. Guðmundsson and Helgi Björnsson. 2000. The response of a glacier to a surface disturbance: a case study on Vatnajökull ice cap, Iceland. Annals of Glaciology, 31, 104-110.

69. Snorrason, Árni,  Helgi Björnsson and Helgi Jóhannesson. 2000. Causes, characteristics and predictability of floods in regions with cold climate. 18. pages. "Floods" (Ed. D. J. Parker). Routledge Hazard and Disaster Series Routledge, London and New York.

68. Etzelmuller, Bernd and Helgi Björnsson. 2000. Map analysis techniques for glaciological applications. International Geographical Information Science, Vol. 14, No. 6, 567-581.

67. Björnsson, Helgi, Finnur Pálsson, Magnús T. Guðmundsson. 2000. Surface and bedrock topography of the Mýrdalsjökull ice cap, Iceland: The Katla caldera, eruption sites and routes of jökulhlaups. Jökull, 49, 29-46.
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66. Oerlemans, J., H. Björnsson, M. Kuhn, F. Obleitner, F. Pálsson, H. F. Vugts and J. de Wolde. 1999. A glacio-meteorological experiment on Vatnajökull, Iceland. Boundary Layer Meteorology, Vol. 92, No. 1, 3-26.

65. Larsen, Guðrún, Magnús T. Guðmundsson and Helgi Björnsson. 1998. Eight centuries of periodic volcanism at the center of the Iceland hot spot revealed by glacier tephrastratigraphy. Geology, Vol. 26, No. 10, 943-946.

64. Björnsson, Helgi, Finnur Pálsson, Magnús T. Guðmundsson and Hannes H. Haraldsson. 1998. Mass balance of western and northern Vatnajökull, Iceland, 1991-1995. Jökull, 45, 35-38.
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63. Björnsson, Helgi. 1998. Hydrological characteristic of the drainage system beneath a surging glacier. Nature, 395, 771-774.

62. Björnsson, Helgi. 1998. Frá Breiðumörk til jökulsands: mótun lands í þúsund ár. Kvískerjabók, bls. 164-176.

61. Jónsson, Sigurjón, Nico Adam and Helgi Björnsson. 1998. Effects of subglacial geothermal activity observed by satellite radar interferometry. Geophysical Research Letters, Vol. 25, No. 7, 1059-1062.

60. Dowdeswell, J.,  J. O. Hagen, H. Björnsson and 8 others. 1997. The mass balance of circum-Arctic glaciers and recent climate change. Quaternary Research, 48, 1-14.

59. Björnsson, Helgi. 1997. Grímsvatnahlaup fyrr og nú. Gos og hlaup 1996. bls. 61-77. (Ritsj. Hreinn Haraldsson). Vegagerðin. Reykjavík.

58. Guðmundsson, Magnús T., Freysteinn Sigmundsson and Helgi Björnsson. 1997. Ice-volcano interaction of the 1996 Gjálp subglacial eruption, Vatnajökull, Iceland. Nature, 389, 954-957.

57. Einarsson, Páll, Bryndís Brandsdóttir, Magnús Tumi Guðmundsson, Helgi Björnsson, Freysteinn Sigmundsson and Karl Grönvold. 1997. Center of the Iceland hotspot experiences volcanic unrest. Eos, 78, No. 35, 374-375.

56. Lawler, D. M., H. Björnsson and M. Dolan. 1996. Impact of subglacial geothermal activity on meltwater quality in the Jökulsá á Sólheimasandi system, southern Iceland. Hydrological Processes, Vol. 10, 557-578.

55. Guðmundsson, M. T., Th. Högnadóttir, and H. Björnsson. 1996. Effects of surges on runoff in glacial-fed rivers. In: Nordic Hydrological Conference, Vol. 1 (ed. O. Sigurðsson, K. Einarsson, H. Aðalsteinsson).

54. Larsen, Guðrún, Magnús T. Guðmundsson and Helgi Björnsson. 1996. Tephrastratigraphy of ablation areas of Vatnajökull Ice Cap, Iceland. In: Glaciers, Ice Sheets and Volcanoes (ed. Colbeck, S.). CRREL Special Report 96-27, 75-80.

53. Björnsson, Helgi, Yngvar Gjessing, Svein-Erik Hamran, Jon Ove Hagen, Olav Liestøl, Finnur Pálsson og Björn Erlingsson. 1996. The thermal regime of sub-polar glaciers mapped by multi-frequency radio-echo sounding. Journal of Glaciology, 42, 140, 23-32.

52. Björnsson, Helgi. 1996. Scales and rates of glacial sediment removal: a 20 km long and 300 m deep trench created beneath Breiðamerkurjökull during the Little Ice Age. Annals of Glaciology, 22, 141- 146.

51. Guðmundsson, Magnús T., Helgi Björnsson and Finnur Pálsson. 1995. Changes in jökulhlaup sizes in Grímsvötn, Vatnajökull, Iceland, 1934-1991, deduced from in situ measurements of subglacial lake volume. Journal of Glaciology, Vol. 41, No. 138, 263-272.

50. Björnsson, Helgi and Magnús T. Guðmundsson. 1993. Variations in the thermal output of the subglacial Grímsvötn Caldera, Iceland. Geophysical Research Letters, 20, 2127-2130.

45. Guðmundsson, Magnús T.  and Helgi Björnsson. 1993. Eruptions in Grímsvötn 1934- 1991. Jökull, 41, 21-46.
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44. Ágústsdóttir, Anna María, Susan L. Brantley, Magnús T. Guðmundsson and Helgi Björnsson. 1992. Volatile release rates from the Grímsvötn volcano, Iceland. Í: Kharaka, Y., og A.S. Maest (ritstj.). Proceedings of the 7th International Symposium on Water-Rock Interaction. Rotterdam, A.A. Balkema, 465-468.

43. Björnsson, Helgi. 1992. Jökulhlaups in Iceland: characteristics, prediction and simulation. Annals of Glaciology, Vol. 16, 95-106.

42. Björnsson, Helgi. 1991. Hofsjökull: landslag, ísforði og vatnasvæði. Náttúrufræðingurinn, 60 (3), 113- 126. timarit.is

41. Björnsson, Helgi og Finnur Pálsson. 1991. Rúmmál Grænalóns og breytingar á stærð og tíðni jökulhlaupa. Jökull, 39, 90-95.
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40. Björnsson, Helgi. 1991. Jöklar á Tröllaskaga. Árbók Ferðafélags Íslands 1991, 21-37.

39. Björnsson, Helgi and Páll Einarsson. 1990. Volcanoes beneath Vatnajökull, Iceland: Evidence from radio echo-sounding, earthquakes and jökulhlaups. Jökull, 40, 147-168. timarit.is


38. Helgi Björnsson. 1988. Hydrology of ice caps in volcanic regions. Vísindafélag Íslendinga, rit 45, 139 s, 21 maps. Reykjavík.

37. Björnsson, Helgi. 1987. Könnun á jöklum með rafsegulbylgjum. Í hlutarins eðli (ritstj. Þorsteinn I. Sigfússon). Menningarsjóður, bls. 279-292.

36. Björnsson, Helgi. 1986. Delineation of glacier drainage basins on western Vatnajökull. Annals of Glaciology, Vol. 8, 19-21. 

35. Björnsson, Helgi. 1986. Surface and bedrock topography of ice caps in Iceland mapped by radio echo soundings. Annals of Glaciology, Vol. 8, 11-18.

34. Björnsson, Helgi. 1985. The winter balance in Grímsvötn, Vatnajökull, 1950-1985. Jökull, 35, 107-109.
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33. Björnsson, Helg
https://jokulljournal.is/i and Hrefna Kristmannsdóttir. 1984. The Grímsvötn geothermal area, Vatnajökull, Iceland. Jökull, 34, 25-50. timarit.is

32. Björnsson, Helgi. 1983. A natural calorimeter at Grímsvötn: indications of volcanic and geothermal activity. Jökull, 33,13-18.
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31. Björnsson, Helgi. 1982. Jöklarannsóknir í þágu virkjunaraðila. Tímarit Verkfræðingafélags Íslands, 67, 44-52.

30. Björnsson, Helgi, Sveinbjörn Björnsson and Þorbjörn Sigurgeirsson. 1982. Penetration of water into hot rock boundaries of magma at Grímsvötn. Nature, 295, 580-581.

29. Björnsson, Helgi. 1982. Drainage basins on Vatnajökull mapped by radio-echo soundings. Nordic Hydrology, 13(4), 213-232.

28. Björnsson, Helgi. 1982. Varmamælirinn í Grímsvötnum, eldvirkni, orsakir og eðli jarðhita. Eldur er í norðri (ritstj. Helga Þórarinsdóttir, Ólafur H. Óskarsson, Sigurður Steinþórsson og Þorleifur Einarsson). Reykjavík. Sögufélagið, 139-144.

27. Björnsson, Helgi. 1981. Jöklar. Náttúra Íslands. Reykjavík. Almenna bókafélagið, 270-275.

26. Björnsson, Helgi. 1981. Radio-echo sounding maps of Storglaciären, Isfallsglaciären and Rabots glaciär. Geografiska Annaler, 63A, 3-4, 225-229.

25. Björnsson, Helgi. 1980. Avalance activity in Iceland, climatic conditions and terrain features. Journal of Glaciology, 26, 13-23.

24. Björnsson, Helgi. 1980. Snjóflóð og snjóflóðavarnir. Náttúrufræðingurinn, 49, 257-277. timarit.is

23. Sverrisson, Marteinn,  Ævar Jóhannesson and Helgi Björnsson. 1980. A radio-echo equipment for depth sounding of temperate glaciers. Journal of Glaciology, 25, 477-486.

22. Sigurgeirsson, Þorbjörn, Sveinbjörn Börnsson and Helgi Björnsson. 1980. Geothermal effects of water penetrating onto hot rock boundaries of magma bodies. Geothermal Resources Council, Transactions, 4, 13-15.

21. Björnsson, Helgi. 1979. Glaciers in Iceland. Jökull, 29, 74-80.
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20. Björnsson, Helgi. 1978. Könnun á jöklum með rafsegulbylgjum. Náttúrufræðingurinn, 47, 184-194. timarit.is

19. Björnsson, Helgi. 1978. The surface area of glaciers in Iceland. Jökull, 28, 31.
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18. Björnsson, Helgi. 1977. The cause of jökulhlaups in the Skaftá-river, Vatnajökull. Jökull, 27, 71-78.
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17. Ferrari, R. L., K J. Miller,  G. Owen and Helgi Björnsson. 1977. A 1976 radio-echo sounding expedition to the Vatnajökull ice cap, Iceland. Polar Record, 27, 375-379.

16. Björnsson, Helgi. 1976. Glacier lakes and explanation of jökulhlaups. Nordic Hydrological Conference 1976. Reykjavík. Nordisk Hydrologisk Forening, I, 74-64, 18.

15. Björnsson, Helgi. 1976. Marginal and supraglacial lakes in Iceland. Jökull, 26, 40-51.
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14. Björnsson, Helgi. 1976. Subglacial water reservoirs, jökulhlaups and volcanic eruptions. Jökull, 25, 1-15.
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13. Björnsson, Helgi og Magnús Hallgrímsson. 1976. Mælingar í Grímsvötnum við Skeiðarárhlaup 1972 og 1976. Jökull, 26, 91-92. timarit.is


12. Björnsson, Helgi og Páll Einarsson. 1976. Skjálftar og jökulhlaup í Múlakvísl í ágúst 1975 og 1976. Jökull, 26, 58.
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11. Björnsson, Helgi. 1976. Jökulhlaup og jarðskjálftar í Mýrdalsjökli í nóv. 1975. Jökull, 26, 51. timarit.is


10. Árnason, Bragi,  Helgi Björnsson and Páll Theodórsson. 1974. Mechanical drill for deep coring in temperate ice. Journal of Glaciology, 13, 133-139.

9. Björnsson, Helgi. 1974. Explanation of jökulhlaups from Grímsvötn, Vatnajökull, Iceland. Jökull, 24, 1-26. 
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8. Björnsson, Helgi. 1973. Freezing on a rotary drill in temperate glacier ice. Jökull, 23, 53-54.
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7. Björnsson, Helgi. 1972. Bægisárjökull North-Iceland. Results of glaciological investigations 1967-1968. Part II. The energy balance. Jökull, 22, 44-61.
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6. Björnsson, Helgi. 1972. Um jökla. Náttúrufræðingurinn, 42, 115-121. timarit.is

5. Björnsson, Helgi. 1971. Bægisárjökull, North-Iceland. Results of glaciological investigations 1967-1968. Part I. Mass balance and general meteorology. Jökull, 21, 1-23.
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4. Björnsson, Helgi. 1970. Hugleiðingar um jöklarannsóknir á Íslandi. Jökull, 20, 15-26.
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3. Björnsson, Helgi. 1969. Sea ice conditions and atmospheric circulation north of Iceland. Jökull, 19, 11-17.
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2. Björnsson, Helgi. 1969. Um hafís og veðurfar við Svalbarða síðustu áratugi. Hafísinn (ritstj. Markús Á. Einarsson). Reykjavík. Almenna bókafélagið, 94-114.

1. Björnsson, Helgi. 1969. Undersøkelser av vann- og energibalansen på Bægisárjökull, Island. Universitetet i Oslo. Oslo. 120p.