Soot-doped natural snow and its albedo - Results from field experiments

Research output: Contribution to journalArticle

Abstract

Soot has a pronounced effect on the cryosphere and experiments are still needed to reduce the associated uncertainties. This work presents a series of experiments to address this issue, with soot being deposited onto a natural snow surface after which the albedo changes were monitored. The albedo reduction was the most pronounced for the snow with higher soot content, and it was observed immediately following soot deposition. Compared with a previous laboratory study the effects of soot on the snow were not as prominent in outdoor conditions. During snowmelt, about 50% of the originally deposited soot particles were observed to remain at the snow surface. More detailed experiments are however needed to better explain soot’s effect on snow and to better quantify this effect. Our albedo versus soot parameterization agreed relatively well with previously published relationships.

Details

Authors
  • Jonas Svensson
  • Aki Virkkula
  • Outi Meinander
  • Niku Kivekäs
  • Henna Reetta Hannula
  • Onni Järvinen
  • Jouni I. Peltoniemi
  • Maria Gritsevich
  • Anu Heikkilä
  • Anna Kontu
  • Kimmo Neitola
  • David Brus
  • Pavla Dagsson-Waldhauserova
  • Kati Anttila
  • Marko Vehkamäki
  • Anca Hienola
  • Gerrit de Leeuw
  • Heikki Lihavainen
Organisations
External organisations
  • Finnish Meteorological Institute
  • University of Helsinki
  • University of Iceland
  • Nanjing University
  • Finnish Geospatial Research Institute
  • Ural Federal University
  • Agricultural University of Iceland
  • Czech University of Life Sciences Prague
Research areas and keywords

Subject classification (UKÄ) – MANDATORY

  • Meteorology and Atmospheric Sciences
Original languageEnglish
Pages (from-to)481-503
Number of pages23
JournalBoreal Environment Research
Volume21
Publication statusPublished - 2016
Publication categoryResearch
Peer-reviewedYes