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Aerosols Radiative Forcing - Astrophysics Data System

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Last Updated: 25 August 2022

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Regime shift in aerosol optical depth and long-term aerosol radiative forcing implications over the Arabian Peninsula Region

The Aerosol Optical Depth and aerosol-induced radiative forcing trends inferred for the period 1995-2019 over the Arabian Peninsula area are thoroughly investigated using the state-of-the-art Modern-Era Retrospective analysis for Research and Applications, version 2 reanalysis results. During MAM and JJA, the rise in AOD has resulted in a rise in aerosol-induced atmospheric pressure, which has a trend of 0. 13 Wm -1 and 0. 15 Wm -2 year -1. Overall, the report provides a comprehensive review of the MERRA-2's ability in long-term aerosol monitoring over APR, mainly located in the "dust-belt" area.

Source link: https://ui.adsabs.harvard.edu/abs/2022AtmEn.28719298D/abstract


Remote sensing of aerosol properties from polarimetric measurements and its use in quantifying aerosol radiative forcing

The MAP measurements contain the most comprehensive detail on aerosol properties from a passive remote sensing point of view, so the expectation is that the quality of aerosol remote sensing measurements will improve dramatically in the coming years. This presentation will explore recent and ongoing advancements and challenges in polarimetric retrievals of aerosol properties, as well as the use of the corresponding aerosol products to determine aerosol chemical composition and quantify radiative forcing due to aerosol-cloud and aerosol-cloud interactions.

Source link: https://ui.adsabs.harvard.edu/abs/2021AGUFM.A13C..02H/abstract


Near Future Response Of Global Mean Precipitation Dominated By Aerosol Radiative Forcing

Aerosol interactions, in particular, are poorly understood and their physical representation varies greatly across state-of-the-art Coupled Global Climate Models, raising significant doubts regarding aerosol radiative forcing and their effect on global precipitation. Through the large number of models, recurrent patterns can be identified in the future trajectories of global mean annual mean precipitation change under the Shared Socio-economic Pathways' shared Socio-economic Pathways, so here, we use estimates for state-of-the-art CMIP6 CGCMs to show that despite the widespread dissemination among models. The simplicity of our model gives rise to the unambiguous conclusion that the CGCM precipitation patterns result from the dominance of aerosol-force on the near-future precipitation response and that of GHG forcing on the mid-to-end-century response. The policy implication is that air pollution controls can significantly influence global precipitation changes over the next two-three decades.

Source link: https://ui.adsabs.harvard.edu/abs/2021AGUFM.A35K1794D/abstract


Impact of Aerosol Vertical Distribution on the Clear Sky Direct Aerosol Radiative Forcing Uncertainty in CMIP6 Models

Each aerosol species's column mass loading is first normalized to the multi-model average for each model, and a single radiative transfer model and a parameter setting of aerosol optical parameters are used, so that the difference in the calculated DARF is solely due to the difference in aerosol vertical profiles. We continue to perform two separate experiments by standardizing aerosol optical depth and aerosol single scattering albedo profiles respectively, and we discover that the vertical distribution of SSA results in higher DARF uncertainty than that of AOD.

Source link: https://ui.adsabs.harvard.edu/abs/2021AGUFM.A35K1815Z/abstract


Observationally constrained estimates of carbonaceous aerosol radiative forcing

The black carbon, a good absorber of solar radiation, and organic matter were among the fossil and biomass aerosols released by fossil and biomass fuels, as well as black carbon, a good absorber of solar radiation. Model estimates of the global CA radiative forcing range from 0 to 0. 8 Wm -2, to be compared to the Intergovernmental Panel on Climate Change's estimate for the pre-Industrial to a net radiative forcing of 1. 6 Wm -2. To obtain a decadal global view of the CA optical properties and direct radiative forcing, ground-based aerosol network data is combined with field data and satellite-based aerosol observations. The estimated global CA direct radiative effect is about 0. 75 Wm -2. According to this report, BrC is recognized worldwide for its global importance, contributing about 20% to 550-nm CA solar absorption globally.

Source link: https://ui.adsabs.harvard.edu/abs/2012PNAS..10911624C/abstract

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions