Journal
GEOPHYSICAL RESEARCH LETTERS
Volume 39, Issue -, Pages -Publisher
AMER GEOPHYSICAL UNION
DOI: 10.1029/2012GL053385
Keywords
-
Categories
Funding
- NASA ROSES [09-CCST09-29, 08-MAP-117]
- US DOE Office of Science (BER)
- CIRES in cooperation with the US DOC/NOAA
- NSF grant [ARC-1023366]
- Directorate For Geosciences
- Office of Polar Programs (OPP) [1203902] Funding Source: National Science Foundation
- Division Of Polar Programs
- Directorate For Geosciences [1023366] Funding Source: National Science Foundation
Ask authors/readers for more resources
Ground-based observations show that persistent liquid-containing Arctic clouds occur frequently and have a dominant influence on Arctic surface radiative fluxes. Yet, without a hemispheric multi-year perspective, the climate relevance of these intriguing Arctic cloud observations was previously unknown. In this study, Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observation (CALIPSO) observations are used to document cloud phase over the Arctic basin (60-82 degrees N) during a five-year period (2006-2011). Over Arctic ocean-covered areas, low-level liquid-containing clouds are prevalent in all seasons, especially in Fall. These new CALIPSO observations provide a unique and climate-relevant constraint on Arctic cloud processes. Evaluation of one climate model using a lidar simulator suggests a lack of liquid-containing Arctic clouds contributes to a lack of radiatively opaque states. The surface radiation biases found in this one model are found in multiple models, highlighting the need for improved modeling of Arctic cloud phase. Citation: Cesana, G., J. E. Kay, H. Chepfer, J. M. English, and G. de Boer (2012), Ubiquitous low-level liquid-containing Arctic clouds: New observations and climate model constraints from CALIPSO-GOCCP, Geophys. Res. Lett., 39, L20804, doi:10.1029/2012GL053385.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available