Imperial College London
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ProfessorApostolosVoulgarakis

Faculty of Natural Sciences, Department of Physics

Professor in Global Climate and Environmental Change
 
 
 
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Contact

 

a.voulgarakis Website

 
 
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Location

 

Huxley 709BHuxley BuildingSouth Kensington Campus

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Summary

 

Publications

Citation

BibTex format

@article{Samset:2018:10.1038/s41612-017-0005-5,
author = {Samset, BH and Myhre, G and Forster, PM and Hodnebrog, O and Andrews, T and Boucher, O and Faluvegi, G and Flaeschner, D and Kasoar, M and Kharin, V and Kirkevag, A and Lamarque, J-F and Olivie, D and Richardson, TB and Shindell, D and Takemura, T and Voulgarakis, A},
doi = {10.1038/s41612-017-0005-5},
journal = {npj Climate and Atmospheric Science},
title = {Weak hydrological sensitivity to temperature change over land, independent of climate forcing},
url = {http://dx.doi.org/10.1038/s41612-017-0005-5},
volume = {1},
year = {2018}
}
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RIS format (EndNote, RefMan)

TY  - JOUR
AB  - We present the global and regional hydrological sensitivity (HS) to surface temperature changes, for perturbations to CO2, CH4, sulfate and black carbon concentrations, and solar irradiance. Based on results from ten climate models, we show how modeled global mean precipitation increases by 2–3% per kelvin of global mean surface warming, independent of driver, when the effects of rapid adjustments are removed. Previously reported differences in response between drivers are therefore mainly ascribable to rapid atmospheric adjustment processes. All models show a sharp contrast in behavior over land and over ocean, with a strong surface temperature-driven (slow) ocean HS of 3–5%/K, while the slow land HS is only 0–2%/K. Separating the response into convective and large-scale cloud processes, we find larger inter-model differences, in particular over land regions. Large-scale precipitation changes are most relevant at high latitudes, while the equatorial HS is dominated by convective precipitation changes. Black carbon stands out as the driver with the largest inter-model slow HS variability, and also the strongest contrast between a weak land and strong sea response. We identify a particular need for model investigations and observational constraints on convective precipitation in the Arctic, and large-scale precipitation around the Equator.
AU  - Samset,BH
AU  - Myhre,G
AU  - Forster,PM
AU  - Hodnebrog,O
AU  - Andrews,T
AU  - Boucher,O
AU  - Faluvegi,G
AU  - Flaeschner,D
AU  - Kasoar,M
AU  - Kharin,V
AU  - Kirkevag,A
AU  - Lamarque,J-F
AU  - Olivie,D
AU  - Richardson,TB
AU  - Shindell,D
AU  - Takemura,T
AU  - Voulgarakis,A
DO  - 10.1038/s41612-017-0005-5
PY  - 2018///
SN  - 2397-3722
TI  - Weak hydrological sensitivity to temperature change over land, independent of climate forcing
T2  - npj Climate and Atmospheric Science
UR  - http://dx.doi.org/10.1038/s41612-017-0005-5
UR  - http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000468007700050&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=1ba7043ffcc86c417c072aa74d649202
UR  - http://hdl.handle.net/10044/1/70633
VL  - 1
ER  -
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