[PDF] Top 20 Aerosol activation and cloud processing in the global aerosol-climate model ECHAM5-HAM
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Aerosol activation and cloud processing in the global aerosol-climate model ECHAM5-HAM
... to the error in the simulated CDNC. The es- timated accuracy of the parameterized CDNC is within 30% when compared to parcel model simulations (H¨anel, ...explain the ... See full document
11
Influences of in-cloud aerosol scavenging parameterizations on aerosol concentrations and wet deposition in ECHAM5-HAM
... Prescribed aerosol scavenging fractions have traditionally been implemented in many GCMs, including ECHAM5- HAM, and some models have simply assumed that 100% of the ... See full document
33
Aerosol indirect effects in a multi-scale aerosol-climate model PNNL-MMF
... scheme and predicts both mass and number mixing ratios for all hydrometeor ...types. Cloud statistics diagnosed from the CRM component are used to drive the aerosol and ... See full document
61
CCN activation and cloud processing in sectional aerosol models with low size resolution
... compared the activation ap- proaches in terms of cloud droplet concentration, out-of- cloud size distribution and production of aqueous-phase sul- phate over five successive ... See full document
10
Effects of boundary layer particle formation on cloud droplet number and changes in cloud albedo from 1850 to 2000
... a global aerosol microphysics model to estimate the effect of particle formation through activation nucleation in the boundary layer (BL) on cloud droplet num- ber ... See full document
11
The relationship between aerosol and cloud drop number concentrations in a global aerosol microphysics model
... used the physically based aerosol activation scheme of Nenes and Seinfeld (2003) coupled to a sectional global aerosol model (GLOMAP) to examine the ability of ... See full document
35
Sensitivity of aerosol concentrations and cloud properties to nucleation and secondary organic distribution in ECHAM5-HAM global circulation model
... coastlines, activation-type nucleation gives similar results as ...seen in all five marked regions, as well as in Gulf of Mexico, East of North America and Arabian ...that ... See full document
44
Global distribution and climate forcing of marine organic aerosol: 1. Model improvements and evaluation
... comprehensive cloud droplet activation mechanisms devel- oped to date (Fountoukis and Nenes, ...2005). In addition to treating the competition among all modes, the FN pa- ... See full document
17
An integrated modeling study on the effects of mineral dust and sea salt particles on clouds and precipitation
... for the soluble fraction of the par- ticles was assumed to be ammonium sulfate and the aerosol field was applied homogeneously throughout the model do- ...of the ... See full document
20
Characterization of aerosol and cloud water at a mountain site during WACS 2010: secondary organic aerosol formation through oxidative cloud processing
... WSOC in aerosol filter extracts and cloud water collected at Whistler, British Columbia dur- ing the summer 2010 – Whistler Aerosol and Cloud Study (WACS ...2010). ... See full document
14
Observed high-altitude warming and snow cover retreat over Tibet and the Himalayas enhanced by black carbon aerosols
... K., and van Vuuren, D. P.: Historical (1850–2000) gridded anthropogenic and biomass burn- ing emissions of reactive gases and aerosols: methodology and application, ... See full document
31
The evolution of the global aerosol system in a transient climate simulation from 1860 to 2100
... Project. The simulations were performed on the NEC SX-6 supercomputer of the German High Performance Computing Centre for Climate- and Earth System Research in Ham- ... See full document
40
Cold and transition season cloud condensation nuclei measurements in western Colorado
... altitudes, the lowest between 250–500 m above ground level (a.g.l.) and increasing about 500 m on each leg with some ...mainly in the location of the southern stack, which was moved ... See full document
42
Explicit simulation of aerosol physics in a cloud-resolving model
... reaches the top of the cloud and the free ...survive in the upper troposphere, or over time form ice crystals, both that could impact the atmospheric radiative ... See full document
51
Development of prognostic aerosol–cloud interactions combining a chemistry transport model and a regional climate model
... salt and mineral dust. In the figure, emphasis is given to accumu- lation mode particles as they can act as CCN and, depending on the water availability and updraft velocity be ... See full document
37
Microphysical process rates and global aerosol-cloud interactions
... on the droplet size distribution. Increases in aerosol are seen to increase cloud drop number (Martin et ...(LWP). The result is smaller drops that do not coalesce and grow into ... See full document
37
Aerosols indirectly warm the Arctic
... fronts, and they occurred within air masses that had resided at least several days over the Arctic pack ...Further, the associated cooling was surface based, and hence not advective, while ... See full document
22
Impacts of global open-fire aerosols on direct radiative, cloud and surface-albedo effects simulated with CAM5
... to the FIRE experiment. Thus, one should be careful when using the Ghan (2013) method to diagnose the radiative forcing of a single com- ponent within co-emitted ...aerosols. The REari of fire ... See full document
20
Radiative forcing and climate response to projected 21st century aerosol decreases
... Lee, Y. H., Rotstayn, L., Mahowald, N., Milly, G., Faluvegi, G., Balkanski, Y., Collins, W. J., Conley, A. J., Dalsoren, S., Easter, R., Ghan, S., Horowitz, L., Liu, X., Myhre, G., Na- gashima, T., Naik, V., Rumbold, S. ... See full document
61
Importance of including ammonium sulfate ((NH<sub>4</sub>)<sub>2</sub>SO<sub>4</sub>) aerosols for ice cloud parameterization in GCMs
... coagulation in liquid clouds; vi) shortcomings in the vertical overlapping assumption of clouds, in which three randomly overlapped superlayers contain maximally overlapped clouds (Chou ... See full document
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