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Multiannual observations and modelling of seasonal thermal profiles through supraglacial debris in the Central Himalaya

A. Rowan,L. Nicholson,E. Collier,D. Quincey,Morgan J. Gibson,P. Wagnon,D. Rounce,S. Thompson,O. King,C. Watson,T. Irvine‐Fynn,N. Glasser

Published 2017 in The Cryosphere Discussions

ABSTRACT

Abstract. Many glaciers in the Central Himalaya are covered with rock debris that modifies the transfer of heat from the atmosphere to the underlying ice. These debris-covered glaciers are experiencing rapid mass loss at rates that have accelerated during the last two decades. Quantifying recent and future glacier mass change requires understanding the relationship between debris thickness and ablation particularly through the summer monsoon season. We present air, near-surface and debris temperatures measured during three monsoon seasons at five sites on Khumbu Glacier in Nepal, and compare these results to similar measurements from two other debris-covered glaciers in this region. Seasonal debris temperature profiles are approximately linear and consistent between sites for thick (> 0.5 m) and thin (

PUBLICATION RECORD

  • Publication year

    2017

  • Venue

    The Cryosphere Discussions

  • Publication date

    2017-11-30

  • Fields of study

    Geology, Environmental Science

  • Identifiers
    DOI 10.5194/TC-2017-239
  • External record

    Open on Semantic Scholar

  • Source metadata

    Semantic Scholar

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