Nitric Acid Trihydrate (NAT) formation at low NAT supersaturation in Polar Stratospheric Clouds (PSCs)
By C. Voigt, H. Schlager, B. Luo, A. Dörnbrack, A. Roiger, P. Stock, J. Curtius, H. Vössing, S. Borrmann, S. Davies and 4 more. 2005
168 citations recorded by the source corpus.
Abstract. A PSC was detected on 6 February 2003 in the Arctic stratosphere by in-situ measurements onboard the high-altitude research aircraft Geophysica. Low number densities (~10-4cm-3) of small nitric acid (HNO3) containing particles (d TNAT-3.1K). This unique measurement of PSC formation at extremely low NAT saturation ratios (SNAT≤10) constrains current NAT nucleation theories. We suggest, that the NAT particles have formed heterogeneously, but for certain not on ice. Conversely, meteoritic particles may be favorable candidates for triggering NAT nucleation at the observed low number densities.
Subfields: Atmospheric Science, Global and Planetary Change
View Paper: https://www.semanticscholar.org/paper/b1502d110c311978a724fe61d0179b99273c2da6
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Citations in the corpus
- Ice structures, patterns, and processes: A view across the icefields (2012, background): “Nitric acid hydrates also form in the troposphere by nucleation on pre-existing ice particles (Voigt et al., 2003) or on meteor ablations (Curtius et al., 2005; Voigt et al., 2005).”