Chemical Analysis of Polar Stratospheric Cloud Particles-Reference-Cited by-同舟云学术

Chemical Analysis of Polar Stratospheric Cloud Particles

Published:1999-02-12 Issue:5404 Volume:283 Page:968-970
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Schreiner Jochen¹,Voigt Christiane¹,Kohlmann Andreas¹,Arnold Frank¹,Mauersberger Konrad¹,Larsen Niels²

Affiliation:

1. Max-Planck-Institut für Kernphysik, Division of Atmospheric Physics, Post Office Box 103 980, D-69029 Heidelberg, Germany.

2. Danish Meteorological Institute, Division of Middle Atmosphere Research, Lyngbyvej 100, DK-2100 Copenhagen, Denmark.

Abstract

A balloon-borne gondola carrying a particle analysis system, a backscatter sonde, and pressure and temperature sensors was launched from Kiruna, Sweden, on 25 January 1998. Measurements within polar stratospheric cloud layers inside the Arctic polar vortex show a close correlation between large backscatter ratios and enhanced particle-related water and nitric acid signals at low temperatures. Periodic structures in the data indicate the presence of lee waves. The H 2 O/HNO 3 molar ratios are consistently found to be above 10 at atmospheric temperatures between 189 and 192 kelvin. Such high ratios indicate ternary solution particles of H 2 O, HNO 3 , and H 2 SO 4 rather than the presence of solid hydrates.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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