News And Notes

News And Notes NEWS AN D Notes Report Discusses Use of Units in Atmospheric mass-based units for expressing abundances, emis- Chemistry sion and deposition rates, and the like in order to better convey chemically meaningful relationships The Commission on Atmospheric Chemistry of the among these quantities. The chemical formula of International Union of Pure and Applied Chemistry the entity should be unambiguously specified. has recently conducted an examination of units for use 3) Local abundances of substances in air may be ex- in atmospheric chemistry. The results were published pressed as mixing ratios or concentrations. The in 1995 by S. E. Schwartz and P. Warneck in Pure mixing ratio has the advantage of being insensi- Applied Chemistry, 67, 1377-1406. tive to changes in pressure or temperature. Con- The document reviews the quantities pertinent to centration has advantages in describing reaction atmospheric chemistry, with particular emphasis on kinetics and material transport. quantities used to express abundances of substances 4) The dimensionless unit mol per mol of air is rec- (mixing rations, concentrations), reaction rates, and ommended to denote the mixing ratio of a sub- exchange rates between compartments (emission and stance in air—for example, nmol/mol—in lieu of deposition rates and fluxes, etc.) and http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Bulletin of the American Meteorological Society American Meteorological Society

Loading next page...
 
/lp/ams/news-and-notes-0zEXgZGg0P
Publisher
American Meteorological Society
Copyright
Copyright © American Meteorological Society
ISSN
1520-0477
D.O.I.
10.1175/1520-0477-77.2.370
Publisher site
See Article on Publisher Site

Abstract

NEWS AN D Notes Report Discusses Use of Units in Atmospheric mass-based units for expressing abundances, emis- Chemistry sion and deposition rates, and the like in order to better convey chemically meaningful relationships The Commission on Atmospheric Chemistry of the among these quantities. The chemical formula of International Union of Pure and Applied Chemistry the entity should be unambiguously specified. has recently conducted an examination of units for use 3) Local abundances of substances in air may be ex- in atmospheric chemistry. The results were published pressed as mixing ratios or concentrations. The in 1995 by S. E. Schwartz and P. Warneck in Pure mixing ratio has the advantage of being insensi- Applied Chemistry, 67, 1377-1406. tive to changes in pressure or temperature. Con- The document reviews the quantities pertinent to centration has advantages in describing reaction atmospheric chemistry, with particular emphasis on kinetics and material transport. quantities used to express abundances of substances 4) The dimensionless unit mol per mol of air is rec- (mixing rations, concentrations), reaction rates, and ommended to denote the mixing ratio of a sub- exchange rates between compartments (emission and stance in air—for example, nmol/mol—in lieu of deposition rates and fluxes, etc.) and

Journal

Bulletin of the American Meteorological SocietyAmerican Meteorological Society

Published: Feb 1, 1996

There are no references for this article.

You’re reading a free preview. Subscribe to read the entire article.


DeepDyve is your
personal research library

It’s your single place to instantly
discover and read the research
that matters to you.

Enjoy affordable access to
over 18 million articles from more than
15,000 peer-reviewed journals.

All for just $49/month

Explore the DeepDyve Library

Search

Query the DeepDyve database, plus search all of PubMed and Google Scholar seamlessly

Organize

Save any article or search result from DeepDyve, PubMed, and Google Scholar... all in one place.

Access

Get unlimited, online access to over 18 million full-text articles from more than 15,000 scientific journals.

Your journals are on DeepDyve

Read from thousands of the leading scholarly journals from SpringerNature, Elsevier, Wiley-Blackwell, Oxford University Press and more.

All the latest content is available, no embargo periods.

See the journals in your area

DeepDyve

Freelancer

DeepDyve

Pro

Price

FREE

$49/month
$360/year

Save searches from
Google Scholar,
PubMed

Create lists to
organize your research

Export lists, citations

Read DeepDyve articles

Abstract access only

Unlimited access to over
18 million full-text articles

Print

20 pages / month

PDF Discount

20% off