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Two-moment bulk stratiform cloud microphysics in the GFDL AM3 GCM: description, evaluation, and sensitivity tests
Two-moment bulk stratiform cloud microphysics the GFDL AM3 GCM sensitivity tests
2010/9/14
A new stratiform cloud scheme including a two-moment bulk microphysics module, a cloud cover parameterization allowing ice supersaturation, and an ice nucleation parameterization has been implemented ...
Measured and modelled cloud condensation nuclei number concentration at the high alpine site Jungfraujoch
cloud condensation nuclei number concentration the high alpine site Jungfraujoch
2010/9/1
Atmospheric aerosol particles are able to act as cloud condensation nuclei (CCN) and are therefore important for the climate and the hydrological cycle, but their properties are not fully understood. ...
Updraft and downdraft characterization with Doppler lidar: cloud-free versus cumuli-topped mixed layer
Doppler lidar cloud-free versus cumuli-topped mixed layer
2010/8/25
For the first time, a comprehensive, height-resolved Doppler lidar study of updrafts and downdrafts in the mixing layer is presented. The Doppler lidar measurements were performed at Leipzig, Germany,...
Black carbon semi-direct effects on cloud cover: review and synthesis
Black carbon semi-direct effects cloud cover
2010/8/25
Absorbing aerosols (AAs) such as black carbon (BC) or dust absorb incoming solar radiation, perturb the temperature structure of the atmosphere, and influence cloud cover. Previous studies have descri...
Airborne measurements from two consecutive days, analysed with the aid of an aerosol-adiabatic cloud parcel model, are used to study the effect of carbonaceous aerosol particles on the reflectivity of...
Low sensitivity of cloud condensation nuclei to changes in the sea-air flux of dimethyl-sulphide
Low sensitivity cloud condensation nuclei the sea-air flux of dimethyl-sulphide
2010/8/25
The emission of dimethyl-sulphide (DMS) gas by phytoplankton and the subsequent formation of aerosol has long been suggested as an important climate regulation mechanism. The key aerosol quantity is t...
Quantification of DMS aerosol-cloud-climate interactions using the ECHAM5-HAMMOZ model in a current climate scenario
DMS aerosol-cloud-climate interactions the ECHAM5-HAMMOZ model a current climate scenario
2010/8/16
The contribution of ocean dimethyl sulfide (DMS) emissions to changes in cloud microphysical properties is quantified seasonally and globally for present day climate conditions using an aerosol-chemis...
Combining visible and infrared radiometry and lidar data to test simulations in clear and ice cloud conditions
visible and infrared radiometry lidar data clear and ice cloud conditions
2010/8/16
Measurements taken during the 2003 Pacific THORPEX Observing System Test (P-TOST) by the MODIS Airborne Simulator (MAS), the Scanning High-resolution Interferometer Sounder (S-HIS) and the Cloud Physi...
A 6-year global cloud climatology from the Atmospheric InfraRed Sounder AIRS and a statistical analysis in synergy with CALIPSO and CloudSat
A 6-year global cloud climatology the Atmospheric InfraRed Sounder AIRS synergy CALIPSO CloudSat
2010/8/16
We present a six-year global climatology of cloud properties, obtained from observations of the Atmospheric Infrared Sounder (AIRS) onboard the NASA Aqua satellite. Cloud-Aerosol Lidar and Infrared Pa...
Relationships between mineral dust and cloud properties in the West African Sahel
mineral dust cloud properties the West African Sahel
2010/8/16
Aerosol cloud interactions are known to be of great importance to many parts of the climate system. Five years of observations from three different satellites (Aqua, ENVISAT and Meteosat Second Genera...
Tomographic retrieval of cloud liquid water fields from a single scanning microwave radiometer aboard a moving platform – Part 2: Observation system simulation experiments
cloud liquid water fields a single scanning microwave radiometer a moving platform Observation system simulation experiments
2010/8/16
Part 1 of this research concluded that many conditions of the 2003 Wakasa Bay experiment were not optimal for the purpose of tomographic retrieval. Part 2 (this paper) then aims to find possible impro...
Tomographic retrieval of cloud liquid water fields from a single scanning microwave radiometer aboard a moving platform – Part 1: Field trial results from the Wakasa Bay experiment
cloud liquid water fields a single scanning microwave radiometer the Wakasa Bay experiment
2010/8/16
Tomographic methods offer great potential for retrieving three-dimensional spatial distributions of cloud liquid water from radiometric observations by passive microwave sensors. Fixed tomographic sys...
Characterization of particle cloud droplet activity and composition in the free troposphere and the boundary layer during INTEX-B
particle cloud droplet activity the free troposphere the boundary layer INTEX-B
2010/8/16
Measurements of cloud condensation nuclei (CCN), aerosol size distributions, and submicron aerosol composition were made as part of the Intercontinental Chemical Transport Experiment Phase B (INTEX-B)...
A comparison of ship and satellite measurements of cloud properties with global climate model simulations in the southeast Pacific stratus deck
ship and satellite measurements cloud properties global climate model simulations the southeast Pacific stratus deck
2010/8/16
Here, liquid water path (LWP), cloud fraction, cloud top height, and cloud base height retrieved by a suite of A-train satellite instruments (the CPR aboard CloudSat, CALIOP aboard CALIPSO, and MODIS ...
Cluster analysis of midlatitude oceanic cloud regimes: mean properties and temperature sensitivity
midlatitude oceanic cloud regimes mean properties temperature sensitivity
2010/8/16
Clouds play an important role in the climate system by reducing the amount of shortwave radiation reaching the surface and the amount of longwave radiation escaping to space. Accurate simulation of cl...