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    Academic Journals

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• Explicitly modelling microtopography in permafrost landscapes in a land surface model (JULES vn5.4_microtopography).

  Authors:Noah D. Smith, Eleanor J. Burke, Kjetil Schanke Aas, Inge H. J. Althuizen, Julia Boike, Casper Tai Christiansen, et al.From:Geoscientific Model Development (Vol. 15, Issue 9) Peer-Reviewed

  May 6, 2022424 words Article Microtopography can be a key driver of heterogeneity in the ground thermal and hydrological regime of permafrost landscapes. In turn, this heterogeneity can influence plant communities, methane fluxes, and the initiation...

• Novel coupled permafrost-forest model (LAVESI-CryoGrid v1.0) revealing the interplay between permafrost, vegetation, and climate across eastern Siberia.

  Authors:Stefan Kruse, Simone M. Stuenzi, Julia Boike, Moritz Langer, Josias Gloy, and Ulrike HerzschuhFrom:Geoscientific Model Development (Vol. 15, Issue 6) Peer-Reviewed

  Mar. 21, 2022330 words Brief article Boreal forests of Siberia play a relevant role in the global carbon cycle. However, global warming threatens the existence of summergreen larch-dominated ecosystems, likely enabling a transition to evergreen tree taxa...

• The ABCflux database: Arctic-boreal CO.sub.2 flux observations and ancillary information aggregated to monthly time steps across terrestrial ecosystems.

  Authors:Anna-Maria Virkkala, Susan M. Natali, Brendan M. Rogers, Jennifer D. Watts, Kathleen Savage, Sara June Connon, et al.From:Earth System Science Data (Vol. 14, Issue 1) Peer-Reviewed

  Jan. 21, 2022336 words Brief article Past efforts to synthesize and quantify the magnitude and change in carbon dioxide (CO.sub.2) fluxes in terrestrial ecosystems across the rapidly warming Arctic-boreal zone (ABZ) have provided valuable information but...

• Importance of the Webb, Pearman, and Leuning (WPL) correction for the measurement of small CO.sub.2 fluxes.

  Authors:Katharina Jentzsch, Julia Boike, and Thomas FokenFrom:Atmospheric Measurement Techniques (Vol. 14, Issue 11) Peer-Reviewed

  Nov. 19, 2021181 words Brief article The WPL (Webb, Pearman, and Leuning) correction is fully accepted to correct trace gas fluxes like CO.sub.2 for density fluctuations due to water vapour and temperature fluctuations for open-path gas analysers. It is...

• Carbon stocks and fluxes in the high latitudes: using site-level data to evaluate Earth system models

  Authors:Sarah E. Chadburn, Gerhard Krinner, Philipp Porada, Annett Bartsch, Christian Beer, Luca Belelli Marchesini, et al.From:Biogeosciences (Vol. 14, Issue 22) Peer-Reviewed

  Nov. 17, 2017499 words Brief article It is important that climate models can accurately simulate the terrestrial carbon cycle in the Arctic due to the large and potentially labile carbon stocks found in permafrost-affected environments, which can lead to a...

• Thaw processes in ice-rich permafrost landscapes represented with laterally coupled tiles in a land surface model

  Authors:Kjetil S. Aas, Leo Martin, Jan Nitzbon, Moritz Langer, Julia Boike, Hanna Lee, et al.From:The Cryosphere (Vol. 13, Issue 2) Peer-Reviewed

  Feb. 18, 2019380 words Author abstract, Bri...

  Earth system models (ESMs) are our primary tool for projecting future climate change, but their ability to represent small-scale land surface processes is currently limited. This is especially true for permafrost...

• Linking tundra vegetation, snow, soil temperature, and permafrost.

  Authors:Inge Grünberg, Evan J. Wilcox, Simon Zwieback, Philip Marsh, and Julia BoikeFrom:Biogeosciences (Vol. 17, Issue 16) Peer-Reviewed

  Aug. 26, 2020354 words Brief article Connections between vegetation and soil thermal dynamics are critical for estimating the vulnerability of permafrost to thaw with continued climate warming and vegetation changes. The interplay of complex biophysical...

• A 20-year record (1998--2017) of permafrost, active layer and meteorological conditions at a high Arctic permafrost research site (Bayelva, Spitsbergen)

  Authors:Julia Boike, Inge Juszak, Stephan Lange, Sarah Chadburn, Eleanor Burke, Pier Paul Overduin, et al.From:Earth System Science Data (Vol. 10, Issue 1) Peer-Reviewed

  Mar. 5, 201861 words Author abstract, Bri... Byline: Julia Boike, Inge Juszak, Stephan Lange, Sarah Chadburn, Eleanor Burke, Pier Paul Overduin, Kurt Roth, Olaf Ippisch, Niko Bornemann, Lielle Stern, Isabelle Gouttevin, Ernst Hauber, Sebastian Westermann To...

• A long-term (2002 to 2017) record of closed-path and open-path eddy covariance CO.sub.2 net ecosystem exchange fluxes from the Siberian Arctic

  Authors:David Holl, Christian Wille, Torsten Sachs, Peter Schreiber, Benjamin R. K. Runkle, Lutz Beckebanze, et al.From:Earth System Science Data (Vol. 11, Issue 1) Peer-Reviewed

  Feb. 18, 2019269 words Author abstract, Bri...

  Ground-based observations of land-atmosphere fluxes are necessary to progressively improve global climate models. Observed data can be used for model evaluation and to develop or tune process models. In arctic...

• A comparison between simulated and observed surface energy balance at the Svalbard Archipelago

  Authors:Julia Boike, Marion Maturilli, Kjetil Schanke Aas, Terje Koren Berntsen, Bernd Etzelmuller, Jon Egill Kristjansson, et al.From:Journal of Applied Meteorology and Climatology (Vol. 54, Issue 5) Peer-Reviewed

  May 2015267 words Author abstract, Rep...

   Abstract Only

• Sub-seasonal thaw slump mass wasting is not consistently energy limited at the landscape scale

  Authors:Simon Zwieback, Steven V. Kokelj, Julia Boike, Guido Grosse, and Irena HajnsekFrom:The Cryosphere (Vol. 12, Issue 2) Peer-Reviewed

  Feb. 14, 201847 words Author abstract, Bri... Byline: Simon Zwieback, Steven V. Kokelj, Frank Gü,nther, Julia Boike, Guido Grosse, Irena Hajnsek To access, purchase, authenticate, or subscribe to the full-text of this article, please visit this link:...

• ESM-SnowMIP: assessing snow models and quantifying snow-related climate feedbacks

  Authors:Gerhard Krinner, Chris Derksen, Richard Essery, Mark Flanner, Stefan Hagemann, Martyn Clark, et al.From:Geoscientific Model Development (Vol. 11, Issue 12) Peer-Reviewed

  Dec. 10, 2018141 words Author abstract, Bri...

  This paper describes ESM-SnowMIP, an international coordinated modelling effort to evaluate current snow schemes, including snow schemes that are included in Earth system models, in a wide variety of settings against...

• Transient modeling of the ground thermal conditions using satellite data in the Lena River delta, Siberia

  Authors:Sebastian Westermann, Maria Peter, Moritz Langer, Georg Schwamborn, Lutz Schirrmeister, and Julia BoikeFrom:The Cryosphere (Vol. 11, Issue 3) Peer-Reviewed

  June 28, 2017445 words Author abstract, Bri... Permafrost is a sensitive element of the cryosphere, but operational monitoring of the ground thermal conditions on large spatial scales is still lacking. Here, we demonstrate a remote-sensing-based scheme that is...

• Observation and modelling of snow at a polygonal tundra permafrost site: spatial variability and thermal implications

  Authors:Isabelle Gouttevin, Moritz Langer, Julia Boike, Martin Proksch, and Martin SchneebeliFrom:The Cryosphere (Vol. 12, Issue 11) Peer-Reviewed

  Nov. 27, 2018293 words Brief article, Repor...

  The shortage of information on snow properties in high latitudes places a major limitation on permafrost and more generally climate modelling. A dedicated field program was therefore carried out to investigate snow...

• Variability of the surface energy balance in permafrost-underlain boreal forest.

  Authors:Simone Maria Stuenzi, Julia Boike, William Cable, Ulrike Herzschuh, Stefan Kruse, Luidmila A. Pestryakova, et al.From:Biogeosciences (Vol. 18, Issue 2) Peer-Reviewed

  Jan. 18, 2021367 words Brief article Boreal forests in permafrost regions make up around one-third of the global forest cover and are an essential component of regional and global climate patterns. Further, climatic change can trigger extensive ecosystem...

• Surface temperatures and their influence on the permafrost thermal regime in high-Arctic rock walls on Svalbard.

  Authors:Juditha Undine Schmidt, Bernd Etzelmüller, Thomas Vikhamar Schuler, Florence Magnin, Julia Boike, Moritz Langer, et al.From:The Cryosphere (Vol. 15, Issue 5) Peer-Reviewed

  June 1, 2021403 words Brief article Permafrost degradation in steep rock walls and associated slope destabilization have been studied increasingly in recent years. While most studies focus on mountainous and sub-Arctic regions, the occurring...

• Ensemble-based assimilation of fractional snow-covered area satellite retrievals to estimate the snow distribution at Arctic sites

  Authors:Kristoffer Aalstad, Sebastian Westermann, Thomas Vikhamar Schuler, Julia Boike, and Laurent BertinoFrom:The Cryosphere (Vol. 12, Issue 1) Peer-Reviewed

  Jan. 23, 201845 words Author abstract, Bri... Byline: Kristoffer Aalstad, Sebastian Westermann, Thomas Vikhamar Schuler, Julia Boike, Laurent Bertino To access, purchase, authenticate, or subscribe to the full-text of this article, please visit this link:...

• Moisture origin as a driver of temporal variabilities of the water vapour isotopic composition in the Lena River Delta, Siberia.

  Authors:Jean-Louis Bonne, Hanno Meyer, Melanie Behrens, Julia Boike, Sepp Kipfstuhl, Benjamin Rabe, et al.From:Atmospheric Chemistry and Physics (Vol. 20, Issue 17) Peer-Reviewed

  Sept. 9, 2020322 words Brief article In the context of the Arctic amplification of climate change affecting the regional atmospheric hydrological cycle, it is crucial to characterize the present-day moisture sources of the Arctic. The isotopic composition...

• Pathways of ice-wedge degradation in polygonal tundra under different hydrological conditions

  Authors:Jan Nitzbon, Moritz Langer, Sebastian Westermann, Leo Martin, Kjetil Schanke Aas, and Julia BoikeFrom:The Cryosphere (Vol. 13, Issue 4) Peer-Reviewed

  Apr. 4, 201947 words Author abstract, Bri... Byline: Jan Nitzbon, Moritz Langer, Sebastian Westermann, Lé,o Martin, Kjetil Schanke Aas, Julia Boike To access, purchase, authenticate, or subscribe to the full-text of this article, please visit this link:...

• First pan-Arctic assessment of dissolved organic carbon in lakes of the permafrost region.

  Authors:Lydia Stolpmann, Caroline Coch, Anne Morgenstern, Julia Boike, Michael Fritz, Ulrike Herzschuh, et al.From:Biogeosciences (Vol. 18, Issue 12) Peer-Reviewed

  June 30, 2021395 words Brief article Lakes in permafrost regions are dynamic landscape components and play an important role for climate change feedbacks. Lake processes such as mineralization and flocculation of dissolved organic carbon (DOC), one of the...