References

[1]  E. Y. Tkachenko, S. G. Kozachkov, Possible contribution of triboelectricity to snow–air interactions. Environmental Chemistry , [Published online ahead of print 13 September 2011].
| CrossRef |

[2]  D. Helmig, F. Bocquet, L. Cohen, S. Oltmans, Ozone uptake to the polar snowpack at Summit, Greenland. Atmos. Environ. 2007, 41, 5061.. [Published online ahead of print 21 December 2006].
| CrossRef | CAS |

[3]  B. Van Dam, D. Helmig, R. Honrath, J. Hueber, B. Seok, C. Toro, L. Kramer, L. Ganzeveld, W. Neff, Exchange of ozone at the atmosphere-snowpack interface at Summit, Greenland, in 2010 State of the Arctic Meeting, Miami, FL, 16–19 March 2010. Available at http://soa.arcus.org/abstracts/atmosphere-snowpack-ozone-exchanges-summit-greenland-and-their-role-polar-tropospheric-ozo [Verified 10 January 2012].

[4]  F. Bocquet, D. Helmig, S. Oltmans, Ozone in interstitial air of the mid-latitude, seasonal snowpack at Niwot Ridge, Colorado. Arct. Antarct. Alp. Res. 2007, 39, 375.
| CrossRef |

[5]  D. Helmig, B. Seok, M. W. Williams, J. Hueber, R. J. Sanford, Fluxes and chemistry of nitrogen oxides in the Niwot Ridge, Colorado snowpack. Biogeochemistry 2009, 95, 115.
| CrossRef | CAS |

[6]  B. Seok, D. Helmig, M. W. Williams, D. Liptzin, K. Chowanski, J. Hueber, An automated system for continuous measurements of trace gas fluxes through snow: an evaluation of the gas diffusion method at a subalpine forest site, Niwot Ridge, Colorado. Biogeochemistry 2009, 95, 95.
| CrossRef | CAS |