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Discussion papers
https://doi.org/10.5194/essd-2018-82
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/essd-2018-82
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

  23 Jul 2018

23 Jul 2018

Review status
This discussion paper is a preprint. A revision of the manuscript is under review for the journal Earth System Science Data (ESSD).

A 16-year record (2002–2017) of permafrost, active layer, and meteorological conditions at the Samoylov Island Arctic permafrost research site, Lena River Delta, northern Siberia: an opportunity to validate remote sensing data and land surface, snow, and permafrost models

Julia Boike1,2, Jan Nitzbon1,2,3, Katharina Anders4, Mikhail Grigoriev5, Dmitry Bolshiyanov6, Moritz Langer1,2, Stephan Lange1, Niko Bornemann1, Anne Morgenstern1, Peter Schreiber1, Christian Wille7, Sarah Chadburn8,9, Isabelle Gouttevin10, and Lars Kutzbach11 Julia Boike et al.
  • 1Alfred Wegener Institute Helmholtz Center for Polar and Marine Research, Telegrafenberg A45, 14473 Potsdam, Germany
  • 2Humboldt University, Geography Department, Unter den Linden 6, 10099 Berlin, Germany
  • 3University of Oslo, Department of Geosciences, Sem Sælands vei 1, 0316 Oslo, Norway
  • 4Heidelberg University, Department of Geography, 3D Geospatial Data Processing Research Group, Im Neuenheimer Feld 368, 69120 Heidelberg
  • 5Melnikov Permafrost Institute, Siberian Branch, Russian Academy of Sciences, Merzlotnaya St., 36, Yakutsk 677010, Russia
  • 6Arctic and Antarctic Research Institute, 38 Beringa Str., St. Petersburg, 199397, Russia
  • 7GFZ German Research Centre for Geosciences, Telegrafenberg, 14473 Potsdam, Germany
  • 8University of Leeds, School of Earth and Environment, Leeds LS2 9JT, UK
  • 9University of Exeter, Department of Mathematics, Exeter EX4 4QF, UK
  • 10Météo-France – CNRS, CNRM UMR 3589, Centre d'Etudes de la Neige, Grenoble, France
  • 11University of Hamburg, CLISAP, Hamburg, Allende-Platz 2, 20146 Hamburg, Germany

Abstract. Most of the world's permafrost is located in the Arctic, where its frozen organic carbon con-tent makes it a potentially important influence on the global climate system. The Arctic climate appears to be changing more rapidly than the lower latitudes, but observational data density in the region is low. Permafrost thaw and carbon release into the atmosphere is a positive feed-back mechanism that has the potential for climate warming. It is therefore particularly im-portant to understand the links between the energy balance, which can vary rapidly over hour-ly to annual time scales, and permafrost condition, which changes slowly on decadal to cen-tennial timescales. This requires long-term observational data such as that available from the Samoylov research site in northern Siberia, where meteorological parameters, energy balance, and subsurface observations have been recorded since 1998. This paper presents the temporal data set produced between 2002 and 2017, explaining the instrumentation, calibration, pro-cessing and data quality control. Additional data include a high-resolution digital terrain mod-el (DTM) obtained from terrestrial LiDAR laser scanning. Since the data provide observations of temporally variable parameters that influence energy fluxes between permafrost, active lay-er soils, and the atmosphere (such as snow depth and soil moisture content), they are suitable for calibrating and quantifying the dynamics of permafrost as a component in earth system models. The data also include soil properties beneath different microtopographic features (a polygon center, a rim, a slope, and a trough), yielding much-needed information on landscape heterogeneity for use in land surface modeling.

For the record from 1998 to 2017, the average mean annual air temperature was −12.3°C, with mean monthly temperature of the warmest month (July) recorded as 9.5°C and for the coldest month (February) −32.7°C. The average annual rainfall was 169mm. The depth of zero annual amplitude niveau is at 20.8m, and has warmed from −9.1°C in 2006 to −7.7°C in 2017. The presented data are available in the supplementary material of this paper and through the PANGAEA website (https://doi.org/10.1594/PANGAEA.891142).

Julia Boike et al.
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Measurements in soil and air at Samoylov Station (2002-2017) J. Boike, J. Nitzbon, K. Anders, M. N. Grigoriev, D. Y. Bolshiyanov, M. Langer, S. Lange, N. Bornemann, A. Morgenstern, P. Schreiber, C. Wille, S. Chadburn, I. Gouttevin, and L. Kutzbach https://doi.pangaea.de/10.1594/PANGAEA.891142

Julia Boike et al.
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Short summary
Long-term observational data are available from the Samoylov research site in northern Siberia, where meteorological parameters, energy balance, and subsurface observations have been recorded since 1998. This paper presents the temporal data set produced between 2002 and 2017, explaining the instrumentation, calibration, processing and data quality control. The data are suitable for calibrating and quantifying the dynamics of permafrost as a component in earth system models.
Long-term observational data are available from the Samoylov research site in northern Siberia,...
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