IGB

Connexion

(Article of periodic en Anglais - 2011)

Document title

Short-term variations of vapor isotope ratios reveal the influence of atmospheric processes

Authors(s) and Affiliation(s)

ZHANG S. (1 2) ; SUN X. (1) ; WANG J. (3) ; YU G. (1) ; WEN X. (1) ;
(1) Key lab. of Ecosystem Network Observation and Modeling, Inst. of Geographic Sciences and Natural Resources Research, CAS, Beijing, CHINE
(2) Key Lab. of wetland Ecology and Environment, Northeast Inst. of Geography and Agroecology, CAS, Changchun, CHINE
(3) Agricultural univ., Shandong, Qingdao, CHINE

Abstract

Here the AA. present 2 nearly continuous time-series of δD and δO 18 of atmospheric water vapor (δv) measured at hourly intervals in surface air in Beijing and above a winter wheat canopy in Shijiazhuang using in-situ measurement technique. During the precipitation events, the δv values in both Beijing and Shijiazhuang were in the state of equilibrium with precipitation water, revealing the influence of precipitation processes. These datasets highlight also how the atmospheric processes, such as air mass advection, evapotranspiration and entrainment from the free atmosphere other than precipitation, influenced the surface δv on various time-scales including event-based precipitation, seasonal and diurnal scales. Especially, the effect of vegetation, namely transpiration, was elucidated by comparing the δv in Beijing and Shijiazhuang under similar climate conditions

Source

Article of periodic

published at : Journal of geographical sciences. Acta geographica sinica / ISSN 1009-637X

Editor : CHINE

Millesime : 2011, vol. 21, no3 [pp. 401-416]

Bibliographic references : 37 ref.

Collation : 7 fig., 1 tabl.

Language

Anglais

Digital Object Identifier

Go to electronic document thanks to its DOI : doi:10.1007/s11442-011-0853-6

Tous droits réservés © Prodig - Bibliographie Géographique Internationale (BGI), 2012
Refdoc record number (ud4) : 25430078 : Permanent link - XML version
Powered by Pxxo