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Titolo:
ANALYSIS OF SNOW FEEDBACKS IN 14 GENERAL-CIRCULATION MODELS
Autore:
RANDALL DA; CESS RD; BLANCHET JP; CHALITA S; COLMAN R; DAZLICH DA; DELGENIO AD; KEUP E; LACIS A; LETREUT H; LIANG XZ; MCAVANEY BJ; MAHFOUF JF; MELESHKO VP; MORCRETTE JJ; NORRIS PM; POTTER GL; RIKUS L; ROECKNER E; ROYER JF; SCHLESE U; SHEININ DA; SOKOLOV AP; TAYLOR KE; WETHERALD RT; YAGAI I; ZHANG MH;
Indirizzi:
COLORADO STATE UNIV,DEPT ATMOSPHER SCI FT COLLINS CO 80523 SUNY STONY BROOK,INST TERR & PLANETARY ATMOSPHERES,MARINE SCI RES CTRSTONY BROOK NY 11794 CANADIAN CLIMATE CTR,ATMOSPHER ENVIRONM SERV DOWNSVIEW ON CANADA LAB METEOROL DYNAM PARIS FRANCE BUR METEOROL RES CTR MELBOURNE VIC 3001 AUSTRALIA NASA,GODDARD INST SPACE STUDIES NEW YORK NY 10025 UNIV HAMBURG,MAX PLANCK INST METEOROL W-2000 HAMBURG 13 GERMANY SUNY ALBANY,ATMOSPHER SCI RES CTR ALBANY NY 12205 CTR NATL RECH METEOROL,METRO FRANCE F-31057 TOULOUSE FRANCE VOEIKOV MAIN GEOPHYS OBSERV ST PETERSBURG RUSSIA EUROPEAN CTR MEDIUM RANGE WEATHER FORECASTS READING RG2 9AX BERKS ENGLAND UNIV CALIF SAN DIEGO,SCRIPPS INST OCEANOG,CLIMATE RES GRP SAN DIEGO CA 92093 LAWRENCE LIVERMORE NATL LAB,PROGRAM CLIMATE MODEL DIAG & INTERCOMPARISON LIVERMORE CA 94550 PRINCETON UNIV,NOAA,GEOPHYS FLUID DYNAM LAB PRINCETON NJ 08542 METEOROL RES INST TSUKUBA IBARAKI 305 JAPAN
Titolo Testata:
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
fascicolo: D10, volume: 99, anno: 1994,
pagine: 20757 - 20771
Fonte:
ISI
Lingua:
ENG
Soggetto:
CLIMATE FEEDBACK; SURFACE ALBEDO; SEA ICE; COVER;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
21
Recensione:
Indirizzi per estratti:
Citazione:
D.A. Randall et al., "ANALYSIS OF SNOW FEEDBACKS IN 14 GENERAL-CIRCULATION MODELS", JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, 99(D10), 1994, pp. 20757-20771

Abstract

Snow feedbacks produced by 14 atmospheric general circulation models have been analyzed through idealized numerical experiments. Included in the analysis is an investigation of the surface energy budgets of the models. Negative or weak positive snow feedbacks occurred in some ofthe models, while others produced strong positive snow feedbacks. These feedbacks are due not only to melting snow, but also to increases in boundary temperature, changes in air temperature, changes in water vapor, and changes in cloudiness. As a result, the net response of eachmodel is quite complex. We analyze in detail the responses of one model with a strong positive snow feedback and another with a weak negative snow feedback. Some of the models include a temperature dependence of the snow albedo, and this has significantly affected the results.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 27/11/20 alle ore 10:07:12