Can the direct and semi‐direct aerosol effect compete with the indirect effect on a global scale?

By Ulrike Lohmann, Johann Feichter. 2001

188 citations recorded by the source corpus.

Subfields: Atmospheric Science, Global and Planetary Change

View Paper: https://www.semanticscholar.org/paper/780dd6ab0f211f0c7ad2374236ea96d57e6e41f5

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Citations in the corpus

Global indirect aerosol effects: a review (2004, unknown): “2.8 Semi-direct aerosol effect Lohmann and Feichter (2001); Kristj´ansson (2002), and Pen-ner et al. (2003) concluded that the semi-direct effect is only marginally important at the top of the atmosphere in the global mean whereas Jacobson (2002) pointed out that the climatic effect of black carbon…”
Total aerosol effect: radiative forcing or radiative flux perturbation? (2009, background): “2 Cloud albedo, cloud lifetime, direct and semi-direct effect Lohmann and Feichter(2001), Penner et al.(2003), Penner et al. (2006), Lohmann et al.(2007), Rotstayn et al.(2007), Posselt and Lohmann(2008), Posselt and Lohmann(2009), Quaas et al.(2009b) A2.”
Can aerosols spin down the water cycle in a warmer and moister world? (2004, methodology): “New in the model is a parameterization of the cloud lifetime effect of aerosols, which modifies the precipitation formation efficiency for simulating the second indirect effect and absorbing carbonaceous aerosols for simulating the semi-direct effect [Lohmann et al., 2000; Lohmann and Feichter, 200”
Photoacoustic and filter-based ambient aerosol light absorption measurements : Instrument comparisons and the role of relative humidity (2003, background): “Long-range transport of BC into cloudy regions over oceans perhaps contributes to a lack of cloudiness as clouds are burned off by the heat provided in the light absorption of sunlight [Ackerman et al., 2000; Schwartz and Buseck, 2000; Lohmann and Feichter, 2001].”
Bounding Global Aerosol Radiative Forcing of Climate Change (2020, background): “…2008),1121 as shown by Amiri-Farahani et al. (2017) and Christensen et al. (2017).1122 8.1 Adjustments in liquid water path L1123 The sensitivity of L to Nd varies regionally (Han et al., 2002) and is expected to1124 depend on the relative magnitude of two key processes (Lohmann & Feichter, 2001).”
A study of internal and external mixing scenarios and its effect on aerosol optical properties and direct radiative forcing (2002, background): “Furthermore, the semidirect effect creates a warming in clouds that results in partial evaporation that reduces the cloud albedo thereby warming the surface [Hansen et al., 1997; Ackerman et al., 2000; Lohmann and Feichter, 2001].”
Emissions from the laboratory combustion of wildland fuels: Particle morphology and size (2006, background): “BC andOC can coexist in internally mixed particles that may consist of a BC core coated with OC. In addition to the direct radiative effects of carbonaceous PM [Haywood and Ramaswamy, 1998], it can also serve as cloud condensation nuclei (indirect effect) [Novakov and Penner, 1993] and assist with t”
Equilibrium Response of an Atmosphere–Mixed Layer Ocean Model to Different Radiative Forcing Agents: Global and Zonal Mean Response (2008, background): “reservoir of snowpack for glaciated surface as described in Milly and Shmakin (2002). A more detailed description of the atmosphere and land surface components is available in GFDL GAMDT (2004), and their minor modifications as well as the description of the sea ice component are available in Delwor”