Asymmetric impact of the physiological effect of carbon dioxide on hydrological responses to instantaneous negative and positive CO2 forcing

Verfasser / Beitragende:
[Manabu Abe, Hideo Shiogama, Tokuta Yokohata, Seita Emori, Toru Nozawa]
Ort, Verlag, Jahr:
2015
Enthalten in:
Climate Dynamics, 45/7-8(2015-10-01), 2181-2192
Format:
Artikel (online)
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024 7 0 |a 10.1007/s00382-014-2465-1  |2 doi 
035 |a (NATIONALLICENCE)springer-10.1007/s00382-014-2465-1 
245 0 0 |a Asymmetric impact of the physiological effect of carbon dioxide on hydrological responses to instantaneous negative and positive CO2 forcing  |h [Elektronische Daten]  |c [Manabu Abe, Hideo Shiogama, Tokuta Yokohata, Seita Emori, Toru Nozawa] 
520 3 |a We conducted sensitivity experiments using a coupled atmosphere-ocean general circulation model to examine the asymmetry between the hydrological responses to instantaneous positive and negative CO2 forcing and the impact of the CO2 physiological effects (CDPEs) on these responses. This study focuses on the fast response occurring on time scales shorter than 1year after imposing CO2 forcing. Experiments investigating the CO2 physiological effect show that the fast response of precipitation to positive CO2 forcing is a decrease in the global and annual mean, whereas that of negative forcing is an increase the global and annual mean precipitation. The fast global precipitation response to negative forcing is stronger than the response to positive forcing. In contrast, the experiments without the CDPE reveal similar magnitudes of the fast global precipitation responses to negative and positive CO2 forcing. Significant differences in the magnitudes of the fast precipitation response due to the CDPE are found in tropical regions such as the Amazon Basin, the Maritime Continents, and tropical Africa, where C3-type plants are common. The stomatal conductance of plant leaves is decreased by both positive and negative CO2 forcing, which suppress the transpiration from the leaves. Consequently, the CDPE enhances the asymmetry of the fast precipitation responses to positive and negative CO2 forcing. The asymmetric impact of CDPE requires a careful evaluation of future hydrological changes which is constrained by paleoclimate evidence. 
540 |a Springer-Verlag Berlin Heidelberg, 2015 
690 7 |a Carbon dioxide physiological effect  |2 nationallicence 
690 7 |a Hydrological response  |2 nationallicence 
690 7 |a Carbon dioxide forcing  |2 nationallicence 
690 7 |a Land surface model  |2 nationallicence 
690 7 |a General circulation model  |2 nationallicence 
700 1 |a Abe  |D Manabu  |u Department of Integrated Climate Change Prediction Research, Japan Agency for Marine-Earth Science and Technology, 236-0001, Yokohama, Japan  |4 aut 
700 1 |a Shiogama  |D Hideo  |u Center for Global Environmental Research, National Institute for Environmental Studies, 305-8506, Tsukuba, Japan  |4 aut 
700 1 |a Yokohata  |D Tokuta  |u Center for Global Environmental Research, National Institute for Environmental Studies, 305-8506, Tsukuba, Japan  |4 aut 
700 1 |a Emori  |D Seita  |u Center for Global Environmental Research, National Institute for Environmental Studies, 305-8506, Tsukuba, Japan  |4 aut 
700 1 |a Nozawa  |D Toru  |u Graduate School of Natural Science and Technology, Okayama University, 700-8530, Okayama, Japan  |4 aut 
773 0 |t Climate Dynamics  |d Springer Berlin Heidelberg  |g 45/7-8(2015-10-01), 2181-2192  |x 0930-7575  |q 45:7-8<2181  |1 2015  |2 45  |o 382 
856 4 0 |u https://doi.org/10.1007/s00382-014-2465-1  |q text/html  |z Onlinezugriff via DOI 
898 |a BK010053  |b XK010053  |c XK010000 
900 7 |a Metadata rights reserved  |b Springer special CC-BY-NC licence  |2 nationallicence 
908 |D 1  |a research-article  |2 jats 
949 |B NATIONALLICENCE  |F NATIONALLICENCE  |b NL-springer 
950 |B NATIONALLICENCE  |P 856  |E 40  |u https://doi.org/10.1007/s00382-014-2465-1  |q text/html  |z Onlinezugriff via DOI 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Abe  |D Manabu  |u Department of Integrated Climate Change Prediction Research, Japan Agency for Marine-Earth Science and Technology, 236-0001, Yokohama, Japan  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Shiogama  |D Hideo  |u Center for Global Environmental Research, National Institute for Environmental Studies, 305-8506, Tsukuba, Japan  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Yokohata  |D Tokuta  |u Center for Global Environmental Research, National Institute for Environmental Studies, 305-8506, Tsukuba, Japan  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Emori  |D Seita  |u Center for Global Environmental Research, National Institute for Environmental Studies, 305-8506, Tsukuba, Japan  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Nozawa  |D Toru  |u Graduate School of Natural Science and Technology, Okayama University, 700-8530, Okayama, Japan  |4 aut 
950 |B NATIONALLICENCE  |P 773  |E 0-  |t Climate Dynamics  |d Springer Berlin Heidelberg  |g 45/7-8(2015-10-01), 2181-2192  |x 0930-7575  |q 45:7-8<2181  |1 2015  |2 45  |o 382