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Titolo:
The regional effects of CO2 and landscape change using a coupled plant andmeteorological model
Autore:
Eastman, JL; Coughenour, MB; Pielke, RA;
Indirizzi:
Colorado State Univ, Dept Atmospher Sci, Ft Collins, CO 80523 USA ColoradoState Univ Ft Collins CO USA 80523 Sci, Ft Collins, CO 80523 USA Univ New Mexico, Dept Biol, Albuquerque, NM 87131 USA Univ New Mexico Albuquerque NM USA 87131 Biol, Albuquerque, NM 87131 USA Colorado State Univ, Nat Resources Ecol Lab, Ft Collins, CO 80523 USA Colorado State Univ Ft Collins CO USA 80523 Lab, Ft Collins, CO 80523 USA
Titolo Testata:
GLOBAL CHANGE BIOLOGY
fascicolo: 7, volume: 7, anno: 2001,
pagine: 797 - 815
SICI:
1354-1013(200110)7:7<797:TREOCA>2.0.ZU;2-O
Fonte:
ISI
Lingua:
ENG
Soggetto:
BIOSPHERE-ATMOSPHERE INTERACTIONS; INITIAL-VALUE PROBLEM; LEAF-AREA INDEX; CLIMATE-CHANGE; ELEVATED CO2; WEST-AFRICA; TROPICAL DEFORESTATION; ECOSYSTEM DYNAMICS; NORTHERN AFRICA; GLOBAL CLIMATE;
Keywords:
CO2; feedbacks; land-use; mesoscale; radiation; regional; vegetation;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Citazioni:
68
Recensione:
Indirizzi per estratti:
Indirizzo: Eastman, JL Colorado State Univ, Dept Atmospher Sci, Ft Collins, CO 80523 USA Colorado State Univ Ft Collins CO USA 80523 ins, CO 80523 USA
Citazione:
J.L. Eastman et al., "The regional effects of CO2 and landscape change using a coupled plant andmeteorological model", GL CHANGE B, 7(7), 2001, pp. 797-815

Abstract

A meteorological model, the Regional Atmospheric Modelling System (RAMS), and a plant model, the General Energy and Mass Transfer Model (GEMTM), are coupled in this study. The integrated modelling system was used to investigate regional weather conditions in the central grasslands of the USA for three experimental scenarios:land cover is changed from current to potential vegetation;radiative forcing is changed from 1 X CO2 to 2 X CO2; andbiological CO2 partial pressures are doubled. Results indicate that the biological effect of enriched CO2, and of land-use change exhibit dominant effects on regional meteorological and biological fields, which were observed for daily to seasonal time scales and grid toregional spatial scales. Simulated radiation impacts of 2 X CO2 were minimal, with interactive effects between the three experimental scenarios as large as the radiational impact alone. Model results highlight the importanceof including 2 X CO2 biological effects when simulating possible future changes in regional weather.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 25/09/20 alle ore 00:05:27