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Journal articles on the topic 'Aerosol microphysical properties'

Author: Grafiati

Published: 22 June 2024

Last updated: 31 July 2025

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1

Zheng, Xiaojian, Baike Xi, Xiquan Dong, Timothy Logan, Yuan Wang, and Peng Wu. "Investigation of aerosol–cloud interactions under different absorptive aerosol regimes using Atmospheric Radiation Measurement (ARM) southern Great Plains (SGP) ground-based measurements." Atmospheric Chemistry and Physics 20, no. 6 (2020): 3483–501. http://dx.doi.org/10.5194/acp-20-3483-2020.

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Abstract. The aerosol indirect effect on cloud microphysical and radiative properties is one of the largest uncertainties in climate simulations. In order to investigate the aerosol–cloud interactions, a total of 16 low-level stratus cloud cases under daytime coupled boundary-layer conditions are selected over the southern Great Plains (SGP) region of the United States. The physicochemical properties of aerosols and their impacts on cloud microphysical properties are examined using data collected from the Department of Energy Atmospheric Radiation Measurement (ARM) facility at the SGP site. Th

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Wandinger, Ulla, Athena Augusta Floutsi, Holger Baars, et al. "HETEAC – the Hybrid End-To-End Aerosol Classification model for EarthCARE." Atmospheric Measurement Techniques 16, no. 10 (2023): 2485–510. http://dx.doi.org/10.5194/amt-16-2485-2023.

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Abstract. The Hybrid End-To-End Aerosol Classification (HETEAC) model for the Earth Clouds, Aerosols and Radiation Explorer (EarthCARE) mission is introduced. The model serves as the common baseline for the development, evaluation, and implementation of EarthCARE algorithms. It guarantees the consistency of different aerosol products from the multi-instrument platform and facilitates the conformity of broad-band optical properties needed for EarthCARE radiative-closure assessments. While the hybrid approach ensures that the theoretical description of aerosol microphysical properties is consist

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Fan, Jiwen, Yuan Wang, Daniel Rosenfeld, and Xiaohong Liu. "Review of Aerosol–Cloud Interactions: Mechanisms, Significance, and Challenges." Journal of the Atmospheric Sciences 73, no. 11 (2016): 4221–52. http://dx.doi.org/10.1175/jas-d-16-0037.1.

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Abstract Over the past decade, the number of studies that investigate aerosol–cloud interactions has increased considerably. Although tremendous progress has been made to improve the understanding of basic physical mechanisms of aerosol–cloud interactions and reduce their uncertainties in climate forcing, there is still poor understanding of 1) some of the mechanisms that interact with each other over multiple spatial and temporal scales, 2) the feedbacks between microphysical and dynamical processes and between local-scale processes and large-scale circulations, and 3) the significance of clo

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Nugent, Alison D., Campbell D. Watson, Gregory Thompson, and Ronald B. Smith. "Aerosol Impacts on Thermally Driven Orographic Convection." Journal of the Atmospheric Sciences 73, no. 8 (2016): 3115–32. http://dx.doi.org/10.1175/jas-d-15-0320.1.

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Abstract Observations from the Dominica Experiment (DOMEX) field campaign clearly show aerosols having an impact on cloud microphysical properties in thermally driven orographic clouds. It is hypothesized that when convection is forced by island surface heating, aerosols from the mostly forested island surface are lofted into the clouds, resulting in the observed high concentration of aerosols and the high concentration of small cloud droplets. When trying to understand the impact of these surface-based aerosols on precipitation, however, observed differences in cloud-layer moisture add to the

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Milinevsky, G., Ya Yatskiv, O. Degtyaryov, et al. "Remote sensing of aerosol in the terrestrial atmosphere from space: new missions." Advances in Astronomy and Space Physics 5, no. 1 (2015): 11–16. http://dx.doi.org/10.17721/2227-1481.5.11-16.

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The distribution and properties of atmospheric aerosols on a global scale are not well known in terms of determination of their effects on climate. This mostly is due to extreme variability of aerosol concentrations, properties, sources, and types. Aerosol climate impact is comparable to the effect of greenhouse gases, but its influence is more difficult to measure, especially with respect to aerosol microphysical properties and the evaluation of anthropogenic aerosol effect. There are many satellite missions studying aerosol distribution in the terrestrial atmosphere, such as MISR/Terra, OMI/

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Vanderlei Martins, J., A. Marshak, L. A. Remer, et al. "Remote sensing the vertical profile of cloud droplet effective radius, thermodynamic phase, and temperature." Atmospheric Chemistry and Physics Discussions 7, no. 2 (2007): 4481–519. http://dx.doi.org/10.5194/acpd-7-4481-2007.

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Abstract. Cloud-aerosol interaction is no longer simply a radiative problem, but one affecting the water cycle, the weather, and the total energy balance including the spatial and temporal distribution of latent heat release. Information on the vertical distribution of cloud droplet microphysics and thermodynamic phase as a function of temperature or height, can be correlated with details of the aerosol field to provide insight on how these particles are affecting cloud properties and its consequences to cloud lifetime, precipitation, water cycle, and general energy balance. Unfortunately, tod

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Martins, J. V., A. Marshak, L. A. Remer, et al. "Remote sensing the vertical profile of cloud droplet effective radius, thermodynamic phase, and temperature." Atmospheric Chemistry and Physics 11, no. 18 (2011): 9485–501. http://dx.doi.org/10.5194/acp-11-9485-2011.

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Abstract. Cloud-aerosol interaction is a key issue in the climate system, affecting the water cycle, the weather, and the total energy balance including the spatial and temporal distribution of latent heat release. Information on the vertical distribution of cloud droplet microphysics and thermodynamic phase as a function of temperature or height, can be correlated with details of the aerosol field to provide insight on how these particles are affecting cloud properties and their consequences to cloud lifetime, precipitation, water cycle, and general energy balance. Unfortunately, today's expe

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Meland, B. S., X. Xu, D. K. Henze, and J. Wang. "Assessing remote polarimetric measurement sensitivities to aerosol emissions using the geos-chem adjoint model." Atmospheric Measurement Techniques 6, no. 12 (2013): 3441–57. http://dx.doi.org/10.5194/amt-6-3441-2013.

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Abstract. Uncertainties in aerosol sources, microphysical properties, and global distributions undermine efforts to evaluate the radiative impacts of atmospheric aerosols. In this work, we investigate the feasibility of using remote polarimetric measurements for constraining aerosol and aerosol precursor emissions in light of these uncertainties. A model that incorporates a radiative transfer model with forward and adjoint chemical transport models has been applied to quantify the sensitivity of the reflectance at the top of atmosphere over land to aerosol emissions and microphysical propertie

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Meland, B. S., X. Xu, D. K. Henze, and J. Wang. "Assessing remote polarimetric measurements sensitivities to aerosol emissions using the GEOS-Chem adjoint model." Atmospheric Measurement Techniques Discussions 6, no. 3 (2013): 5447–93. http://dx.doi.org/10.5194/amtd-6-5447-2013.

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Abstract. Uncertainties in aerosol sources, microphysical properties, and global distributions undermine efforts to evaluate the radiative impacts of atmospheric aerosols. In this work, we investigate the feasibility of using remote polarimetric measurements for constraining aerosol and aerosol precursor emissions in light of these uncertainties. A model that incorporates a radiative transfer model with forward and adjoint chemical transport models has been applied to quantify the sensitivity of the reflectance at the top of atmosphere to aerosol emissions and microphysical properties. A set o

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Kipling, Zak, Laurent Labbouz, and Philip Stier. "Global response of parameterised convective cloud fields to anthropogenic aerosol forcing." Atmospheric Chemistry and Physics 20, no. 7 (2020): 4445–60. http://dx.doi.org/10.5194/acp-20-4445-2020.

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Abstract. The interactions between aerosols and convective clouds represent some of the greatest uncertainties in the climate impact of aerosols in the atmosphere. A wide variety of mechanisms have been proposed by which aerosols may invigorate, suppress or change the properties of individual convective clouds, some of which can be reproduced in high-resolution limited-area models. However, there may also be mesoscale, regional or global adjustments which modulate or dampen such impacts which cannot be captured in the limited domain of such models. The Convective Cloud Field Model (CCFM) provi

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Chen, Guoxing, Wei-Chyung Wang, and Jen-Ping Chen. "Aerosol–Stratocumulus–Radiation Interactions over the Southeast Pacific." Journal of the Atmospheric Sciences 72, no. 7 (2015): 2612–21. http://dx.doi.org/10.1175/jas-d-14-0319.1.

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Atmosphere–ocean general circulation models tend to underestimate the solar radiative forcing by stratocumulus over the southeast Pacific, contributing to a warm sea surface temperature (SST) bias. The underestimation may be caused by biases in either macro- or micro- (or both) physical properties of clouds. This study used the WRF Model (incorporated with a physics-based two-moment cloud microphysical scheme) together with the 2008 Variability of the American Monsoon Systems Ocean–Cloud–Atmosphere–Land Study (VOCALS) field observations to investigate the effects of anthropogenic aerosols on t

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Roger, Jean-Claude, Eric Vermote, Sergii Skakun, et al. "Aerosol models from the AERONET database: application to surface reflectance validation." Atmospheric Measurement Techniques 15, no. 5 (2022): 1123–44. http://dx.doi.org/10.5194/amt-15-1123-2022.

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Abstract. Aerosols play a critical role in radiative transfer within the atmosphere, and they have a significant impact on climate change. In this paper, we propose and implement a framework for developing an aerosol model using their microphysical properties. Such microphysical properties as the size distribution, the complex refractive index, and the percentage of sphericity are derived from the global AERosol RObotic NETwork (AERONET). These measurements, however, are typically retrieved when almucantar measurement procedures are performed (i.e., early mornings and late afternoons with clea

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Muhlbauer, A., T. Hashino, L. Xue, et al. "Intercomparison of aerosol-cloud-precipitation interactions in stratiform orographic mixed-phase clouds." Atmospheric Chemistry and Physics Discussions 10, no. 4 (2010): 10487–550. http://dx.doi.org/10.5194/acpd-10-10487-2010.

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Abstract. Anthropogenic aerosols serve as a source of both cloud condensation nuclei (CCN) and ice nuclei (IN) and affect microphysical properties of clouds. Increasing aerosol number concentrations is hypothesized to retard the cloud droplet collision/coalescence and the riming in mixed-phase clouds, thereby decreasing orographic precipitation. This study presents results from a model intercomparison of 2-D simulations of aerosol-cloud-precipitation interactions in stratiform orographic mixed-phase clouds. The sensitivity of orographic precipitation to changes in the aerosol number concentrat

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Giannakaki, E., P. G. van Zyl, D. Müller, D. Balis, and M. Komppula. "Optical and microphysical characterization of aerosol layers over South Africa by means of multi-wavelength depolarization and Raman lidar measurements." Atmospheric Chemistry and Physics Discussions 15, no. 23 (2015): 35237–76. http://dx.doi.org/10.5194/acpd-15-35237-2015.

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Abstract. Optical and microphysical properties of different aerosol types over South Africa measured with a multi-wavelength polarization Raman lidar are presented. This study could assist in bridging existing gaps relating to aerosol properties over South Africa, since limited long-term data of this type is available for this region. The observations were performed under the framework of the EUCAARI campaign in Elandsfontein. The multi-wavelength PollyXT Raman lidar system was used to determine vertical profiles of the aerosol optical properties, i.e. extinction and backscatter coefficients,

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Muhlbauer, A., T. Hashino, L. Xue, et al. "Intercomparison of aerosol-cloud-precipitation interactions in stratiform orographic mixed-phase clouds." Atmospheric Chemistry and Physics 10, no. 17 (2010): 8173–96. http://dx.doi.org/10.5194/acp-10-8173-2010.

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Abstract. Anthropogenic aerosols serve as a source of both cloud condensation nuclei (CCN) and ice nuclei (IN) and affect microphysical properties of clouds. Increasing aerosol number concentrations is hypothesized to retard the cloud droplet coalescence and the riming in mixed-phase clouds, thereby decreasing orographic precipitation. This study presents results from a model intercomparison of 2-D simulations of aerosol-cloud-precipitation interactions in stratiform orographic mixed-phase clouds. The sensitivity of orographic precipitation to changes in the aerosol number concentrations is an

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Tian, Lin, Lin Chen, Peng Zhang, and Lei Bi. "Estimating radiative forcing efficiency of dust aerosol based on direct satellite observations: case studies over the Sahara and Taklimakan Desert." Atmospheric Chemistry and Physics 21, no. 15 (2021): 11669–87. http://dx.doi.org/10.5194/acp-21-11669-2021.

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Abstract. The direct radiative forcing efficiency of dust aerosol (DRFEdust) is an important indicator to measure the climate effect of dust. The DRFEdust is determined by the microphysical properties of dust, which vary with dust source regions. However, there are only sparse in situ measurements of them, such as the distribution of the dust aerosol particle size and the complex refractive index in the main dust source regions. Furthermore, recent studies have shown that the non-spherical effect of the dust particle is not negligible. The DRFEdust is often evaluated by estimating given microp

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Giannakaki, Elina, Pieter G. van Zyl, Detlef Müller, Dimitris Balis, and Mika Komppula. "Optical and microphysical characterization of aerosol layers over South Africa by means of multi-wavelength depolarization and Raman lidar measurements." Atmospheric Chemistry and Physics 16, no. 13 (2016): 8109–23. http://dx.doi.org/10.5194/acp-16-8109-2016.

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Abstract. Optical and microphysical properties of different aerosol types over South Africa measured with a multi-wavelength polarization Raman lidar are presented. This study could assist in bridging existing gaps relating to aerosol properties over South Africa, since limited long-term data of this type are available for this region. The observations were performed under the framework of the EUCAARI campaign in Elandsfontein. The multi-wavelength PollyXT Raman lidar system was used to determine vertical profiles of the aerosol optical properties, i.e. extinction and backscatter coefficients,

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Tonttila, J., H. Järvinen, and P. Räisänen. "Explicit representation of subgrid variability in cloud microphysics yields weaker aerosol indirect effect in the ECHAM5-HAM2 climate model." Atmospheric Chemistry and Physics Discussions 14, no. 10 (2014): 15523–43. http://dx.doi.org/10.5194/acpd-14-15523-2014.

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Abstract. Impacts of representing cloud microphysical processes in a stochastic subcolumn framework are investigated, with emphasis on estimating the aerosol indirect effect. It is shown that subgrid treatment of cloud activation and autoconversion of cloud water to rain reduce the impact of anthropogenic aerosols on cloud properties and thus reduce the global mean aerosol indirect effect by 18%, from 1.59 to 1.30 W m−2. Although the results show the importance of considering subgrid variability in the treatment of autoconversion, representing several processes in a self-consistent subgrid fra

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Bassani, C., C. Manzo, F. Braga, M. Bresciani, C. Giardino, and L. Alberotanza. "The impact of the microphysical properties of aerosol on the atmospheric correction of hyperspectral data in coastal waters." Atmospheric Measurement Techniques 8, no. 3 (2015): 1593–604. http://dx.doi.org/10.5194/amt-8-1593-2015.

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Abstract. Hyperspectral imaging provides quantitative remote sensing of ocean colour by the high spectral resolution of the water features. The HICO™ (Hyperspectral Imager for the Coastal Ocean) is suitable for coastal studies and monitoring. The accurate retrieval of hyperspectral water-leaving reflectance from HICO™ data is still a challenge. The aim of this work is to retrieve the water-leaving reflectance from HICO™ data with a physically based algorithm, using the local microphysical properties of the aerosol in order to overcome the limitations of the standard aerosol types commonly used

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Zhou, Zeyu, Yingying Ma, Zhenping Yin, et al. "A Modified Look-Up Table Based Algorithm with a Self-Posed Scheme for Fine-Mode Aerosol Microphysical Properties Inversion by Multi-Wavelength Lidar." Remote Sensing 16, no. 13 (2024): 2265. http://dx.doi.org/10.3390/rs16132265.

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Aerosol microphysical properties, including aerosol particle size distribution, complex refractive index and concentration properties, are key parameters evaluating the impact of aerosols on climate, meteorology, and human health. High Spectral Resolution Lidar (HSRL) is an efficient tool for probing the vertical optical properties of aerosol particles, including the aerosol backscatter coefficient (β) and extinction coefficient (α), at multiple wavelengths. To swiftly process vast data volumes, address the ill-posedness of retrieval problems, and suit simpler lidar systems, this study propose

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Mamouri, R. E., A. Papayannis, V. Amiridis, et al. "Multi-wavelength Raman lidar, sunphotometric and aircraft measurements in combination with inversion models for the estimation of the aerosol optical and physico-chemical properties over Athens, Greece." Atmospheric Measurement Techniques Discussions 5, no. 1 (2012): 589–625. http://dx.doi.org/10.5194/amtd-5-589-2012.

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Abstract. A novel procedure has been developed to retrieve, simultaneously, the optical, microphysical and chemical properties of tropospheric aerosols with a multi-wavelength Raman lidar system in the troposphere over an urban site (Athens, Greece: 37.9° N, 23.6° E, 200 m a.s.l.) using data obtained during the European Space Agency (ESA) THERMOPOLIS project which took place between 15–31 July 2009 over the Greater Athens Area (GAA). We selected to apply our procedure for a case study of intense aerosol layers occurred on 20–21 July 2009. The National Technical University of Athens (NTUA) EOLE

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English, J. M., O. B. Toon, M. J. Mills, and F. Yu. "Microphysical simulations of new particle formation in the upper troposphere and lower stratosphere." Atmospheric Chemistry and Physics Discussions 11, no. 4 (2011): 12441–86. http://dx.doi.org/10.5194/acpd-11-12441-2011.

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Abstract. Using a three-dimensional general circulation model with sulfur chemistry and sectional aerosol microphysics (WACCM/CARMA), we studied aerosol formation and microphysics in the tropical upper troposphere and lower stratosphere (UTLS) based on three nucleation schemes (two binary homogeneous schemes and an ion-mediated scheme). Simulations suggest that ion-mediated nucleation rates in the UTLS are 25% higher than binary rates, but that the rates predicted by the two binary schemes vary by two orders of magnitude. However, it is found that coagulation, not nucleation, controls number c

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Herbert, Ross J., Andrew I. L. Williams, Philipp Weiss, et al. "Regional variability of aerosol impacts on clouds and radiation in global kilometer-scale simulations." Atmospheric Chemistry and Physics 25, no. 14 (2025): 7789–814. https://doi.org/10.5194/acp-25-7789-2025.

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Abstract. Anthropogenic aerosols are a primary source of uncertainty in future climate projections. Changes to aerosol concentrations modify cloud radiative properties, radiative fluxes, and precipitation from the microphysical to the global scale. Due to computational constraints, we have been unable to explicitly simulate cloud dynamics in global-scale simulations, leaving key processes, such as convective updrafts, parameterized. This has significantly limited our understanding of aerosol impacts on convective clouds and climate. However, new state-of-the-art climate models are capable of r

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Storelvmo, Trude, Jón Egill Kristjánsson, and Ulrike Lohmann. "Aerosol Influence on Mixed-Phase Clouds in CAM-Oslo." Journal of the Atmospheric Sciences 65, no. 10 (2008): 3214–30. http://dx.doi.org/10.1175/2008jas2430.1.

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A new treatment of mixed-phase cloud microphysics has been implemented in the general circulation model, Community Atmosphere Model (CAM)-Oslo, which combines the NCAR CAM2.0.1 and a detailed aerosol module. The new treatment takes into account the aerosol influence on ice phase initiation in stratiform clouds with temperatures between 0° and −40°C. Both supersaturation and cloud ice fraction, that is, the fraction of cloud ice compared to the total cloud water in a given grid box, are now determined based on a physical reasoning in which not only temperature but also the ambient aerosol conce

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Song, Xiaoliang, Guang J. Zhang, and J. L. F. Li. "Evaluation of Microphysics Parameterization for Convective Clouds in the NCAR Community Atmosphere Model CAM5." Journal of Climate 25, no. 24 (2012): 8568–90. http://dx.doi.org/10.1175/jcli-d-11-00563.1.

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Abstract A physically based two-moment microphysics parameterization scheme for convective clouds is implemented in the NCAR Community Atmosphere Model version 5 (CAM5) to improve the representation of convective clouds and their interaction with large-scale clouds and aerosols. The explicit treatment of mass mixing ratio and number concentration of cloud and precipitation particles enables the scheme to account for the impact of aerosols on convection. The scheme is linked to aerosols through cloud droplet activation and ice nucleation processes and to stratiform cloud parameterization throug

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Kreidenweis, Sonia M., Markus Petters, and Ulrike Lohmann. "100 Years of Progress in Cloud Physics, Aerosols, and Aerosol Chemistry Research." Meteorological Monographs 59 (January 1, 2019): 11.1–11.72. http://dx.doi.org/10.1175/amsmonographs-d-18-0024.1.

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Abstract This chapter reviews the history of the discovery of cloud nuclei and their impacts on cloud microphysics and the climate system. Pioneers including John Aitken, Sir John Mason, Hilding Köhler, Christian Junge, Sean Twomey, and Kenneth Whitby laid the foundations of the field. Through their contributions and those of many others, rapid progress has been made in the last 100 years in understanding the sources, evolution, and composition of the atmospheric aerosol, the interactions of particles with atmospheric water vapor, and cloud microphysical processes. Major breakthroughs in measu

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Zamora, Lauren M., Ralph A. Kahn, Klaus B. Huebert, Andreas Stohl, and Sabine Eckhardt. "A satellite-based estimate of combustion aerosol cloud microphysical effects over the Arctic Ocean." Atmospheric Chemistry and Physics 18, no. 20 (2018): 14949–64. http://dx.doi.org/10.5194/acp-18-14949-2018.

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Abstract. Climate predictions for the rapidly changing Arctic are highly uncertain, largely due to a poor understanding of the processes driving cloud properties. In particular, cloud fraction (CF) and cloud phase (CP) have major impacts on energy budgets, but are poorly represented in most models, often because of uncertainties in aerosol–cloud interactions. Here, we use over 10 million satellite observations coupled with aerosol transport model simulations to quantify large-scale microphysical effects of aerosols on CF and CP over the Arctic Ocean during polar night, when direct and semi-dir

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Bauer, S. E., S. Menon, D. Koch, T. C. Bond, and K. Tsigaridis. "A global modeling study on carbonaceous aerosol microphysical characteristics and radiative effects." Atmospheric Chemistry and Physics 10, no. 15 (2010): 7439–56. http://dx.doi.org/10.5194/acp-10-7439-2010.

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Abstract. Recently, attention has been drawn towards black carbon aerosols as a short-term climate warming mitigation candidate. However the global and regional impacts of the direct, indirect and semi-direct aerosol effects are highly uncertain, due to the complex nature of aerosol evolution and the way that mixed, aged aerosols interact with clouds and radiation. A detailed aerosol microphysical scheme, MATRIX, embedded within the GISS climate model is used in this study to present a quantitative assessment of the impact of microphysical processes involving black carbon, such as emission siz

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Sawamura, P., D. Müller, R. M. Hoff, et al. "Aerosol optical and microphysical retrievals from a hybrid multiwavelength lidar data set – DISCOVER-AQ 2011." Atmospheric Measurement Techniques 7, no. 9 (2014): 3095–112. http://dx.doi.org/10.5194/amt-7-3095-2014.

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Abstract. Retrievals of aerosol microphysical properties (effective radius, volume and surface-area concentrations) and aerosol optical properties (complex index of refraction and single-scattering albedo) were obtained from a hybrid multiwavelength lidar data set for the first time. In July 2011, in the Baltimore–Washington DC region, synergistic profiling of optical and microphysical properties of aerosols with both airborne (in situ and remote sensing) and ground-based remote sensing systems was performed during the first deployment of DISCOVER-AQ. The hybrid multiwavelength lidar data set

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Sawamura, P., D. Müller, R. M. Hoff, et al. "Aerosol optical and microphysical retrievals from a hybrid multiwavelength lidar dataset – DISCOVER-AQ 2011." Atmospheric Measurement Techniques Discussions 7, no. 3 (2014): 3113–57. http://dx.doi.org/10.5194/amtd-7-3113-2014.

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Abstract. Retrievals of aerosol microphysical properties (e.g. effective radius, volume and surface-area concentrations) and aerosol optical properties (e.g. complex index of refraction and single scattering albedo) were obtained from a hybrid multiwavelength lidar dataset for the first time. In July of 2011, in the Baltimore-Washington DC region, synergistic profiling of optical and microphysical properties of aerosols with both airborne in-situ and ground-based remote sensing systems was performed during the first deployment of DISCOVER-AQ. The hybrid multiwavelength lidar dataset combines e

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Rangognio, J., P. Tulet, T. Bergot, L. Gomes, O. Thouron, and M. Leriche. "Influence of aerosols on the formation and development of radiation fog." Atmospheric Chemistry and Physics Discussions 9, no. 5 (2009): 17963–8019. http://dx.doi.org/10.5194/acpd-9-17963-2009.

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Abstract. This paper assesses the impact of aerosol properties on the formation and the development of radiation fog. Simulations were performed using the Meso-NH meteorological model including the ORILAM aerosol scheme coupled with a two-moment microphysical cloud scheme (number concentration of cloud droplets and cloud water content). The activation scheme used was taken from the work of Abdul-Razzak and Ghan (2004). "Off-line" sensitivity analysis of CCN (Cloud Condensation Nuclei) activation was performed on number, median diameter and chemical compounds of aerosols. During this "off-line"

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Sena, Elisa T., Allison McComiskey, and Graham Feingold. "A long-term study of aerosol–cloud interactions and their radiative effect at the Southern Great Plains using ground-based measurements." Atmospheric Chemistry and Physics 16, no. 17 (2016): 11301–18. http://dx.doi.org/10.5194/acp-16-11301-2016.

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Abstract. Empirical estimates of the microphysical response of cloud droplet size distribution to aerosol perturbations are commonly used to constrain aerosol–cloud interactions in climate models. Instead of empirical microphysical estimates, here macroscopic variables are analyzed to address the influence of aerosol particles and meteorological descriptors on instantaneous cloud albedo and the radiative effect of shallow liquid water clouds. Long-term ground-based measurements from the Atmospheric Radiation Measurement (ARM) program over the Southern Great Plains are used. A broad statistical

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Ngo, Derek, Minghui Diao, Ryan J. Patnaude, Sarah Woods, and Glenn Diskin. "Aerosol–cloud interactions in cirrus clouds based on global-scale airborne observations and machine learning models." Atmospheric Chemistry and Physics 25, no. 13 (2025): 7007–36. https://doi.org/10.5194/acp-25-7007-2025.

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Abstract. Cirrus cloud formation and evolution are subject to the influences of thermodynamic and dynamic conditions and aerosols. This study developed near global-scale in situ aircraft observational datasets based on 12 field campaigns that spanned from the polar regions to the tropics from 2008 to 2016. Cirrus cloud microphysical properties were investigated at temperatures ≤ −40 °C, including ice water content (IWC), ice crystal number concentration (Ni), and number-weighted mean diameter (Di). Positive correlations were found between the fluctuations of these ice microphysical prop

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Spracklen, D. V., K. J. Pringle, K. S. Carslaw, M. P. Chipperfield, and G. W. Mann. "A global off-line model of size-resolved aerosol microphysics: II. Identification of key uncertainties." Atmospheric Chemistry and Physics 5, no. 12 (2005): 3233–50. http://dx.doi.org/10.5194/acp-5-3233-2005.

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Abstract. We use the new GLOMAP model of global aerosol microphysics to investigate the sensitivity of modelled sulfate and sea salt aerosol properties to uncertainties in the driving microphysical processes and compare these uncertainties with those associated with aerosol and precursor gas emissions. Overall, we conclude that uncertainties in microphysical processes have a larger effect on global sulfate and sea salt derived condensation nuclei (CN) and cloud condensation nuclei (CCN) concentrations than uncertainties in present-day sulfur emissions. Our simulations suggest that uncertaintie

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Gasteiger, Josef, and Matthias Wiegner. "MOPSMAP v1.0: a versatile tool for the modeling of aerosol optical properties." Geoscientific Model Development 11, no. 7 (2018): 2739–62. http://dx.doi.org/10.5194/gmd-11-2739-2018.

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Abstract. The spatiotemporal distribution and characterization of aerosol particles are usually determined by remote-sensing and optical in situ measurements. These measurements are indirect with respect to microphysical properties, and thus inversion techniques are required to determine the aerosol microphysics. Scattering theory provides the link between microphysical and optical properties; it is not only needed for such inversions but also for radiative budget calculations and climate modeling. However, optical modeling can be very time-consuming, in particular if nonspherical particles or

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Liu, Y. P., H. Zhao, H. L. Zhang, X. K. Wang, and C. Shu. "RESEARCH ON MICROPHYSICAL PROPERTIES OF A VARIETY OF NONSPHERICAL AEROSOL PARTICLES." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLII-3/W9 (October 25, 2019): 133–39. http://dx.doi.org/10.5194/isprs-archives-xlii-3-w9-133-2019.

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Abstract. In order to study the environment or climate of an area, it is necessary to understand the composition of atmospheric aerosol particles, as well as microphysical properties, such as extinction cross section, scattering cross section, polarization degree, etc. For a long time, when calculating the microphysical properties of atmospheric aerosol particles, the aerosol particles are always be considered as spheres. Mie theory has been used to calculate the scattering properties of spherical particles with high accuracy. However, in reality, aerosol particles are not only spherical, they

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Monier, Marie, Wolfram Wobrock, Jean-François Gayet, and Andrea Flossmann. "Development of a Detailed Microphysics Cirrus Model Tracking Aerosol Particles’ Histories for Interpretation of the Recent INCA Campaign." Journal of the Atmospheric Sciences 63, no. 2 (2006): 504–25. http://dx.doi.org/10.1175/jas3656.1.

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Abstract Cirrus clouds play an important role in the earth’s energy balance. To quantify their impact, information is needed on their microstructure and more precisely on the number and size of the ice crystals. With the anthropogenic activity, more and more aerosol particles and water vapor are released even at the altitude where cirrus clouds are formed. Cirrus clouds formed in a polluted air mass may have different microphysical properties and, therefore, a different impact on the climate system via the changed radiative properties compared to background cirrus clouds. To study this aspect,

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Wang, Xiaoye, Guangyao Dai, Songhua Wu, et al. "Retrieval and Calculation of Vertical Aerosol Mass Fluxes by a Coherent Doppler Lidar and a Sun Photometer." Remote Sensing 13, no. 16 (2021): 3259. http://dx.doi.org/10.3390/rs13163259.

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The direct and indirect radiation forcing of aerosol particles deeply affect the energy budget and the atmospheric chemical and physical processes. To retrieve the vertical aerosol mass fluxes and to investigate the vertical transport process of aerosol by a coherent Doppler lidar (CDL), a practical method for instrumental calibration and aerosol optical properties retrieval based on CDL and sun photometer synchronization observations has been developed. A conversion of aerosol optical properties to aerosol microphysical properties is achieved by applying a well-developed algorithm. Furthermor

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Ge, Xinlei, Qi Zhang, Yele Sun, Christopher R. Ruehl, and Ari Setyan. "Effect of aqueous-phase processing on aerosol chemistry and size distributions in Fresno, California, during wintertime." Environmental Chemistry 9, no. 3 (2012): 221. http://dx.doi.org/10.1071/en11168.

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Environmental contextAqueous-phase processes in fogs and clouds can significantly alter atmospheric fine particles with consequences for climate and human health. We studied the influence of fog and rain on atmospheric aerosol properties, and show that aqueous-phase reactions contribute to the production of secondary aerosol species and change significantly the composition and microphysical properties of aerosols. In contrast, rains effectively remove aerosols and reduce their concentrations. AbstractSubmicrometre aerosols (PM1) were characterised in situ with a high resolution time-of-flight

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Lauer, A., and J. Hendricks. "Simulating aerosol microphysics with the ECHAM4/MADE GCM – Part II: Results from a first multiannual simulation of the submicrometer aerosol." Atmospheric Chemistry and Physics 6, no. 12 (2006): 5495–513. http://dx.doi.org/10.5194/acp-6-5495-2006.

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Abstract. First results of a multiannual integration with the new global aerosol model system ECHAM4/MADE are presented. This model system enables simulations of the particle number concentration and size-distribution, which is a fundamental innovation compared to previous global model studies considering aerosol mass cycles only. The data calculated by the model provide detailed insights into the properties of the global submicrometer aerosol regarding global burden, chemical composition, atmospheric residence time, particle number concentration and size-distribution. The aerosol components c

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Laakso, Anton, Ulrike Niemeier, Daniele Visioni, Simone Tilmes, and Harri Kokkola. "Dependency of the impacts of geoengineering on the stratospheric sulfur injection strategy – Part 1: Intercomparison of modal and sectional aerosol modules." Atmospheric Chemistry and Physics 22, no. 1 (2022): 93–118. http://dx.doi.org/10.5194/acp-22-93-2022.

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Abstract. Injecting sulfur dioxide into the stratosphere with the intent to create an artificial reflective aerosol layer is one of the most studied options for solar radiation management. Previous modelling studies have shown that stratospheric sulfur injections have the potential to compensate for the greenhouse-gas-induced warming at the global scale. However, there is significant diversity in the modelled radiative forcing from stratospheric aerosols depending on the model and on which strategy is used to inject sulfur into the stratosphere. Until now, it has not been clear how the evoluti

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Seifert, A., C. Köhler, and K. D. Beheng. "Aerosol-cloud-precipitation effects over Germany as simulated by a convective-scale numerical weather prediction model." Atmospheric Chemistry and Physics Discussions 11, no. 7 (2011): 20203–43. http://dx.doi.org/10.5194/acpd-11-20203-2011.

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Abstract. Possible aerosol-cloud-precipitation effects over Germany are investigated using the COSMO model in a convection-permitting configuration close to the operational COSMO-DE. Aerosol effects on clouds and precipitation are modeled by using an advanced two-moment microphysical parameterization taking into account aerosol assumptions for cloud condensation nuclei (CCN) as well as ice nuclei (IN). Simulations of three summer seasons have been performed with various aerosol assumptions, and are analysed regarding surface precipitation, cloud properties, and the indirect aerosol effect on n

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Seifert, A., C. Köhler, and K. D. Beheng. "Aerosol-cloud-precipitation effects over Germany as simulated by a convective-scale numerical weather prediction model." Atmospheric Chemistry and Physics 12, no. 2 (2012): 709–25. http://dx.doi.org/10.5194/acp-12-709-2012.

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Abstract. Possible aerosol-cloud-precipitation effects over Germany are investigated using the COSMO model in a convection-permitting configuration close to the operational COSMO-DE. Aerosol effects on clouds and precipitation are modeled by using an advanced two-moment microphysical parameterization taking into account aerosol assumptions for cloud condensation nuclei (CCN) as well as ice nuclei (IN). Simulations of three summer seasons have been performed with various aerosol assumptions, and are analysed regarding surface precipitation, cloud properties, and the indirect aerosol effect on n

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Niu, F., and Z. Li. "Cloud invigoration and suppression by aerosols over the tropical region based on satellite observations." Atmospheric Chemistry and Physics Discussions 11, no. 2 (2011): 5003–17. http://dx.doi.org/10.5194/acpd-11-5003-2011.

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Abstract. Aerosols may modify cloud properties and precipitation via a variety of mechanisms with varying and contradicting consequences. Using a large ensemble of satellite data acquired by the Moderate Resolution Imaging Spectroradiometer onboard the Earth Observing System's Aqua platform, the CloudSat cloud profiling radar and the Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observations (CALIPSO) satellite over the tropical oceans, we identified two distinct responses of clouds and precipitation to increases in aerosol loading. Cloud-top temperatures decrease significantly with in

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Zhu, Haihui, Randall V. Martin, Betty Croft, et al. "Parameterization of size of organic and secondary inorganic aerosol for efficient representation of global aerosol optical properties." Atmospheric Chemistry and Physics 23, no. 9 (2023): 5023–42. http://dx.doi.org/10.5194/acp-23-5023-2023.

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Abstract. Accurate representation of aerosol optical properties is essential for the modeling and remote sensing of atmospheric aerosols. Although aerosol optical properties are strongly dependent upon the aerosol size distribution, the use of detailed aerosol microphysics schemes in global atmospheric models is inhibited by associated computational demands. Computationally efficient parameterizations for aerosol size are needed. In this study, airborne measurements over the United States (DISCOVER-AQ) and South Korea (KORUS-AQ) are interpreted with a global chemical transport model (GEOS-Chem

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Derimian, Yevgeny, Marie Choël, Yinon Rudich, et al. "Effect of sea breeze circulation on aerosol mixing state and radiative properties in a desert setting." Atmospheric Chemistry and Physics 17, no. 18 (2017): 11331–53. http://dx.doi.org/10.5194/acp-17-11331-2017.

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Abstract. Chemical composition, microphysical, and optical properties of atmospheric aerosol deep inland in the Negev Desert of Israel are found to be influenced by daily occurrences of sea breeze flow from the Mediterranean Sea. Abrupt increases in aerosol volume concentration and shifts of size distributions towards larger sizes, which are associated with increase in wind speed and atmospheric water content, were systematically recorded during the summertime at a distance of at least 80 km from the coast. Chemical imaging of aerosol samples showed an increased contribution of highly hygrosco

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Derksen, J. W. B., G. J. H. Roelofs, and T. Röckmann. "Influence of entrainment of CCN on microphysical properties of warm cumulus." Atmospheric Chemistry and Physics Discussions 9, no. 2 (2009): 8791–816. http://dx.doi.org/10.5194/acpd-9-8791-2009.

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Abstract. We use a 1-D cloud model with explicit microphysics and a binned representation of the aerosol size distribution to investigate the influence of entrainment of cloud condensation nuclei (CCN) on the microphysical development of warm cumulus clouds. For a more realistic representation of cloud drop spectral width, the model separates droplets that grow on aerosol that is initially present in the cloud from droplets growing on entrained aerosol. Model results are compared with observations of trade wind cumulus microphysics from the Rain in Cumulus over the Ocean experiment (RICO, 2004

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Derksen, J. W. B., G. J. H. Roelofs, and T. Röckmann. "Influence of entrainment of CCN on microphysical properties of warm cumulus." Atmospheric Chemistry and Physics 9, no. 16 (2009): 6005–15. http://dx.doi.org/10.5194/acp-9-6005-2009.

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Abstract. We use a 1-D cloud model with explicit microphysics and a binned representation of the aerosol size distribution to investigate the influence of entrainment of cloud condensation nuclei (CCN) on the microphysical development of warm cumulus clouds. For a more realistic representation of cloud drop spectral width, the model separates droplets that grow on aerosol that is initially present in the cloud from droplets growing on entrained aerosol. Model results are compared with observations of trade wind cumulus microphysics from the Rain in Cumulus over the Ocean experiment (RICO, 2004

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Yang, Huanzhou, Thaddeus D. Komacek, Owen B. Toon, et al. "Impact of Planetary Parameters on Water Clouds Microphysics." Astrophysical Journal 966, no. 2 (2024): 152. http://dx.doi.org/10.3847/1538-4357/ad3242.

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Abstract Potentially habitable exoplanets are targets of great interest for the James Webb Space Telescope and upcoming mission concepts such as the Habitable Worlds Observatory. Clouds strongly affect climate and habitability, but predicting their properties is difficult. In Global Climate Models (GCMs), especially those aiming at simulating Earth, cloud microphysics is often crudely approximated by assuming that all cloud particles have a single, constant size or a prescribed size distribution and that all clouds in a grid cell are identical. For exoplanets that range over a large phase spac

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Sayer, A. M., A. Smirnov, N. C. Hsu, L. A. Munchak, and B. N. Holben. "Estimating marine aerosol particle volume and number from Maritime Aerosol Network data." Atmospheric Chemistry and Physics 12, no. 18 (2012): 8889–909. http://dx.doi.org/10.5194/acp-12-8889-2012.

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Abstract. As well as spectral aerosol optical depth (AOD), aerosol composition and concentration (number, volume, or mass) are of interest for a variety of applications. However, remote sensing of these quantities is more difficult than for AOD, as it is more sensitive to assumptions relating to aerosol composition. This study uses spectral AOD measured on Maritime Aerosol Network (MAN) cruises, with the additional constraint of a microphysical model for unpolluted maritime aerosol based on analysis of Aerosol Robotic Network (AERONET) inversions, to estimate these quantities over open ocean.

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