Nitric acid adsorption on ice: Surface diffusion

S. Kay Laird, D. A. Buttry, R. A. Sommerfeld

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


Knowledge of the behavior of nitric acid on the surface of ice is important to predicting nitrate loads from snowpacks and determining paleoclimates from ice cores. Our experiments have shown that HNO3 will diffuse across the ice driven by concentration gradients. A diffusion constant, D, for this process was determined from Fick's first law to be 3.5(±1.0)×1-7 cm2/sec between -20° and -25°C.

Original languageEnglish (US)
Pages (from-to)699-701
Number of pages3
JournalGeophysical Research Letters
Issue number6
StatePublished - Mar 15 1999
Externally publishedYes

ASJC Scopus subject areas

  • Geophysics
  • Earth and Planetary Sciences(all)


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