Skip to main content
×
Home

Attenuation of wind-induced pressure perturbations in alpine snow

  • STEPHEN A. DRAKE (a1), HENDRIK HUWALD (a2), MARC B. PARLANGE (a3), JOHN S. SELKER (a1), ANNE W. NOLIN (a1) and CHAD W. HIGGINS (a1)...
Abstract
ABSTRACT

Windpumping has been identified as a process that could potentially enhance sublimation of surface snow at high forcing frequency and spawn air movement deeper in firn at lower frequencies. We performed an experiment to examine the relationship between high-frequency wind and pressure measurements within the top meter of an alpine snowpack and compared experimental results with two theoretical predictions. We find that both theoretical predictions underestimate high-frequency perturbation pressure attenuation with depth in the near-surface snowpack and the discrepancy between theory and measurement increases with perturbation pressure frequency. The impact of this result for near-surface snow is that potential enhanced sublimation will occur over a shallower snow depth than these two theories predict. Correspondingly, interstitial air mixing at depth in firn will be driven by lower frequencies than these two theories predict. While direct measurement of these energy-rich lower frequencies is beyond the scope of this paper, stationary pressure measurements validate the presence of a pressure field that could drive near-surface circulation.

  • View HTML
    • Send article to Kindle

      To send this article to your Kindle, first ensure no-reply@cambridge.org is added to your Approved Personal Document E-mail List under your Personal Document Settings on the Manage Your Content and Devices page of your Amazon account. Then enter the ‘name’ part of your Kindle email address below. Find out more about sending to your Kindle.

      Note you can select to send to either the @free.kindle.com or @kindle.com variations. ‘@free.kindle.com’ emails are free but can only be sent to your device when it is connected to wi-fi. ‘@kindle.com’ emails can be delivered even when you are not connected to wi-fi, but note that service fees apply.

      Find out more about the Kindle Personal Document Service.

      Attenuation of wind-induced pressure perturbations in alpine snow
      Available formats
      ×
      Send article to Dropbox

      To send this article to your Dropbox account, please select one or more formats and confirm that you agree to abide by our usage policies. If this is the first time you use this feature, you will be asked to authorise Cambridge Core to connect with your Dropbox account. Find out more about sending content to Dropbox.

      Attenuation of wind-induced pressure perturbations in alpine snow
      Available formats
      ×
      Send article to Google Drive

      To send this article to your Google Drive account, please select one or more formats and confirm that you agree to abide by our usage policies. If this is the first time you use this feature, you will be asked to authorise Cambridge Core to connect with your Google Drive account. Find out more about sending content to Google Drive.

      Attenuation of wind-induced pressure perturbations in alpine snow
      Available formats
      ×
Copyright
This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted re-use, distribution, and reproduction in any medium, provided the original work is properly cited.
Corresponding author
Correspondence: Stephen A. Drake <sdrake@coas.oregonstate.edu>
References
Hide All
Albert MR (2002) Effects of snow and firn ventilation on sublimation rates. Ann. Glaciol., 35, 5256
Albert MR, Shultz EF and Perron FE (2000) Snow and firn permeability at Siple Dome, Antarctica. Ann. Glaciol., 31, 353356
Bachelor GK (1951) Pressure fluctuations in isotropic turbulence. Proc. Camb. Phil. Soc., 47, 359374
Bartlett SJ and Lehning M (2011) A theoretical assessment of heat transfer by ventilation in homogeneous snowpacks. Water Resour. Res., 47, W04503 (doi: 10.1029/2010WR010008)
Bowling DR and Massman WJ (2011) Persistent wind-induced enhancement of diffusive CO2 transport in a mountain forest snowpack. J. Geophys. Res., 116, G04006 (doi: 10.1029/2011JG001722)
Bou-Zeid E, Higgins C, Huwald H, Meneveau C and Parlange MB (2010) Field study of the dynamics and modelling of subgrid-scale turbulence in a stable atmospheric surface layer over a glacier. J. Fluid Mech., 665, 480515
Clarke GKC and Waddington ED (1991) A three-dimensional theory of wind pumping. J. Glaciol., 37, 8996
Clifton A, Manes C, Ruedi JD, Guala M and Lehning M (2008) On shear-driven ventilation of snow. Bound. Layer Meteorol., 126, 249261 (doi: 10.1007/s10546-007-9235-0)
Colbeck SC (1989) Air movement in snow due to windpumping. J. Glaciol., 35, 209213
Elliot JA (1972) Microscale pressure fluctuations measured within the lower atmospheric boundary layer. J. Fluid Mech., 53, no. 2, 351383
Finger D and 13 others (2013) Identification of glacial melt water runoff in a karstic environment and its implication for present and future water availability. Hydrol. Earth Syst. Sci., 17, 32613277 (doi: 10.5194/hess-17-3261-2013)
Huss M, Voinesco A and Hoelzle M (2013) Implications of climate change on Glacier de la Plaine Morte, Switzerland. Geogr. Helv., 68, 227237 (doi: 10.5194/gh-68-227-2013)
Huwald H and 5 others (2012) Carbon monoxide as a tracer of gas transport in snow and other natural porous media. Geophys. Res. Lett., 39, L02504 (doi: 10.1029/2011GL050247)
Kawamura K and 8 others (2006) Convective mixing of air in firn at four polar sites. Earth Planet. Sci. Lett., 244, 672682 (doi: 10.1016/j.epsl.2006.02.017)
Pinzer BR, Schneebeli M and Kaempfer TU (2012) Vapor flux and recrystallization during dry snow metamorphism under a steady temperature gradient as observed by time-lapse micro-tomography. The Cryosphere, 6, 11411155 (doi: 10.5194/tc-6-1141-2012)
Severinghaus JP and 13 others (2010) Deep air convection in the firn at a zero-accumulation site, central Antarctica. Earth and Planet. Sci. Lett., 293, 359367
Shimizu H (1970) Air permeability of deposited snow. Low Temp. Sci. Contrib. A, 22, 2935
Sokratov SA and Sato A (2000) Wind propagation to snow observed in laboratory. Ann. Glaciol., 31, 427433 (doi: 10.3189/172756400781820020)
Van Atta CW and Wyngaard JC (1975) On higher-order spectra of turbulence. J. Fluid Mech., 72, 1338
Waddington ED, Cunningham J and Harder SL (1996) The effects of snow ventilation on chemical concentrations. Chemical exchange between the atmosphere and Polar Snow, NATO ASI Series Volume 43, pp 403451
Recommend this journal

Email your librarian or administrator to recommend adding this journal to your organisation's collection.

Journal of Glaciology
  • ISSN: 0022-1430
  • EISSN: 1727-5652
  • URL: /core/journals/journal-of-glaciology
Please enter your name
Please enter a valid email address
Who would you like to send this to? *
×

Keywords:

Metrics

Full text views

Total number of HTML views: 11
Total number of PDF views: 105 *
Loading metrics...

Abstract views

Total abstract views: 161 *
Loading metrics...

* Views captured on Cambridge Core between September 2016 - 20th November 2017. This data will be updated every 24 hours.