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Titolo:
PHOTOCHEMICAL OZONE PRODUCTION IN THE RURAL SOUTHEASTERN UNITED-STATES DURING THE 1990 RURAL OXIDANTS IN THE SOUTHERN ENVIRONMENT (ROSE) PROGRAM
Autore:
FROST GJ; TRAINER M; ALLWINE G; BUHR MP; CALVERT JG; CANTRELL CA; FEHSENFELD FC; GOLDAN PD; HERWEHE J; HUBLER G; KUSTER WC; MARTIN R; MCMILLEN RT; MONTZKA SA; NORTON RB; PARRISH DD; RIDLEY BA; SHETTER RE; WALEGA JG; WATKINS BA; WESTBERG HH; WILLIAMS EJ;
Indirizzi:
NOAA,AERON LAB,325 BROADWAY BOULDER CO 80303 WASHINGTON STATE UNIV,CHEM ENGN LAB ATMOSPHER RES PULLMAN WA 99164 NATL CTR ATMOSPHER RES,DIV ATMOSPHER CHEM BOULDER CO 80307 NOAA,AIR RESOURCES LAB OAK RIDGE TN 37831 UNIV COLORADO,COOPERAT INST RES ENVIRONM SCI BOULDER CO 80309
Titolo Testata:
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
fascicolo: D17, volume: 103, anno: 1998,
pagine: 22491 - 22508
Fonte:
ISI
Lingua:
ENG
Soggetto:
TEMPERATURE-DEPENDENT KINETICS; IONIZATION MASS-SPECTROMETRY; PHOTOLYSIS RATE COEFFICIENT; METHYL VINYL KETONE; PHOTOSTATIONARY STATE; PEROXY-RADICALS; RADIOMETER MEASUREMENTS; NATURAL HYDROCARBONS; CHEMICAL MECHANISM; BOUNDARY-LAYER;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Science Citation Index Expanded
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
62
Recensione:
Indirizzi per estratti:
Citazione:
G.J. Frost et al., "PHOTOCHEMICAL OZONE PRODUCTION IN THE RURAL SOUTHEASTERN UNITED-STATES DURING THE 1990 RURAL OXIDANTS IN THE SOUTHERN ENVIRONMENT (ROSE) PROGRAM", J GEO RES-A, 103(D17), 1998, pp. 22491-22508

Abstract

Extensive measurements of ozone and its photochemical precursors and coproducts were made in the 1990 Rural Oxidants in the Southern Environment (ROSE) program. Peroxy radical production, loss, and partitioning are described at a rural site in Alabama, showing the important rolethat biogenic organic compounds play in ozone production. Estimates of the peroxy radical concentration obtained by four methods along withthe measured nitric oxide level are used to predict the instantaneousrate of photochemical ozone production at the site. The four methods agree on the diurnal behavior of peroxy radicals and ozone production rates, while consistent discrepancies between the methods generally are within their combined uncertainties. Selected aircraft measurements are used to derive ozone production rates above the ground site, with the highest rates occurring in the boundary layer and in industrial plumes. The dependences of peroxy radical concentration and ozone production rate on the level of nitrogen oxides exhibit good agreement between the various methods and are consistent throughout the lower troposphere. Surface deposition and entrainment are shown to be as important as photochemical production in determining the diurnal evolution of ozone at this site.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 31/03/20 alle ore 18:26:16