Search Results

• • 18 

    Academic Journals

  • Sort by: sorttype.publication.date.desc Newest sorttype.publication.date.asc Oldest sorttype.relevance Relevance

• Model emulation to understand the joint effects of ice-nucleating particles and secondary ice production on deep convective anvil cirrus.

  Authors:Rachel E. Hawker, Annette K. Miltenberger, Jill S. Johnson, Jonathan M. Wilkinson, Adrian A. Hill, Ben J. Shipway, et al.From:Atmospheric Chemistry and Physics (Vol. 21, Issue 23) Peer-Reviewed

  Dec. 1, 2021465 words Article Ice crystal formation in the mixed-phase region of deep convective clouds can affect the properties of climatically important convectively generated anvil clouds. Small ice crystals in the mixed-phase cloud region can be...

• Controls on surface aerosol particle number concentrations and aerosol-limited cloud regimes over the central Greenland Ice Sheet.

  Authors:Heather Guy, Ian M. Brooks, Ken S. Carslaw, Benjamin J. Murray, Von P. Walden, Matthew D. Shupe, et al.From:Atmospheric Chemistry and Physics (Vol. 21, Issue 19) Peer-Reviewed

  Oct. 14, 2021245 words Brief article This study presents the first full annual cycle (2019-2020) of ambient surface aerosol particle number concentration measurements (condensation nuclei 20 nm, N.sub.20) collected at Summit Station (Summit), in the centre...

• Ice-nucleating ability of aerosol particles and possible sources at three coastal marine sites

  Authors:Meng Si, Victoria E. Irish, Ryan H. Mason, Sarah J. Hanna, Luis A. Ladino, Jacqueline D. Yakobi-Hancock, et al.From:Atmospheric Chemistry and Physics (Vol. 18, Issue 21) Peer-Reviewed

  Nov. 1, 2018351 words Author abstract, Bri...

  Despite the importance of ice-nucleating particles (INPs) for climate and precipitation, our understanding of these particles is far from complete. Here, we investigated INPs at three coastal marine sites in Canada,...

• Strong constraints on aerosol-cloud interactions from volcanic eruptions.

  Authors:Florent F. Malavelle, Jim M. Haywood, Andy Jones, Andrew Gettelman, Lieven Clarisse, Sophie Bauduin, et al.From:Nature (Vol. 546, Issue 7659) Peer-Reviewed

  June 20176,729 words Report 1640LAerosols have a potentially large effect on climate, particularly through their interactions with clouds, but the magnitude of this effect is highly uncertain. Large volcanic eruptions produce sulfur dioxide, which in...

• An emulator approach to stratocumulus susceptibility

  Authors:Franziska Glassmeier, Fabian Hoffmann, Jill S. Johnson, Takanobu Yamaguchi, Ken S. Carslaw, and Graham FeingoldFrom:Atmospheric Chemistry and Physics (Vol. 19, Issue 15) Peer-Reviewed

  Aug. 13, 2019255 words Author abstract, Bri...

  The climatic relevance of aerosol-cloud interactions depends on the sensitivity of the radiative effect of clouds to cloud droplet number N, and liquid water path LWP. We derive the dependence of cloud fraction CF,...

• Strong control of Southern Ocean cloud reflectivity by ice-nucleating particles

  Authors:Jesus Vergara-Temprado, Annette K. Miltenberger, Kalli Furtado, Daniel P. Grosvenor, Ben J. Shipway, Adrian A. Hill, et al.From:Proceedings of the National Academy of Sciences of the United States (Vol. 115, Issue 11) Peer-Reviewed

  Mar. 13, 20184,999 words Report 1550L

   Abstract Only

• Evaluation of global simulations of aerosol particle and cloud condensation nuclei number, with implications for cloud droplet formation

  Authors:George S. Fanourgakis, Maria Kanakidou, Athanasios Nenes, Susanne E. Bauer, Tommi Bergman, Ken S. Carslaw, et al.From:Atmospheric Chemistry and Physics (Vol. 19, Issue 13) Peer-Reviewed

  July 8, 2019690 words Brief article

  A total of 16 global chemistry transport models and general circulation models have participated in this study; 14 models have been evaluated with regard to their ability to reproduce the near-surface observed number...

• Large simulated radiative effects of smoke in the south-east Atlantic

  Authors:Hamish Gordon, Paul R. Field, Steven J. Abel, Mohit Dalvi, Daniel P. Grosvenor, Adrian A. Hill, et al.From:Atmospheric Chemistry and Physics (Vol. 18, Issue 20) Peer-Reviewed

  Oct. 24, 2018418 words Author abstract, Bri...

  A 1200×1200 km.sup.2 area of the tropical South Atlantic Ocean near Ascension Island is studied with the HadGEM climate model at convection-permitting and global resolutions for a 10-day case study...

• Development of aerosol activation in the double-moment Unified Model and evaluation with CLARIFY measurements.

  Authors:Hamish Gordon, Paul R. Field, Steven J. Abel, Paul Barrett, Keith Bower, Ian Crawford, et al.From:Atmospheric Chemistry and Physics (Vol. 20, Issue 18) Peer-Reviewed

  Sept. 25, 2020294 words Brief article Representing the number and mass of cloud and aerosol particles independently in a climate, weather prediction or air quality model is important in order to simulate aerosol direct and indirect effects on radiation...

• Aerosol-cloud-climate cooling overestimated by ship-track data.

  Authors:Franziska Glassmeier, Fabian Hoffmann, Jill S. Johnson, Takanobu Yamaguchi, Ken S. Carslaw, and Graham FeingoldFrom:Science (Vol. 371, Issue 6528) Peer-Reviewed

  Jan. 29, 20214,672 words Article 1520L

   Abstract Only

• A model intercomparison of CCN-limited tenuous clouds in the high Arctic

  Authors:Robin G. Stevens, Katharina Loewe, Christopher Dearden, Antonios Dimitrelos, Anna Possner, Gesa K. Eirund, et al.From:Atmospheric Chemistry and Physics (Vol. 18, Issue 15) Peer-Reviewed

  Aug. 8, 2018495 words Author abstract, Bri...

  We perform a model intercomparison of summertime high Arctic ( >  80° N) clouds observed during the 2008 Arctic Summer Cloud Ocean Study (ASCOS) campaign, when observed cloud condensation nuclei...

• The value of remote marine aerosol measurements for constraining radiative forcing uncertainty.

  Authors:Leighton A. Regayre, Julia Schmale, Jill S. Johnson, Christian Tatzelt, Andrea Baccarini, Silvia Henning, et al.From:Atmospheric Chemistry and Physics (Vol. 20, Issue 16) Peer-Reviewed

  Aug. 28, 2020254 words Brief article Aerosol measurements over the Southern Ocean are used to constrain aerosol-cloud interaction radiative forcing (RF.sub.aci) uncertainty in a global climate model. Forcing uncertainty is quantified using 1 million climate...

• In situ constraints on the vertical distribution of global aerosol

  Authors:Duncan Watson-Parris, Nick Schutgens, Carly Reddington, Kirsty J. Pringle, Dantong Liu, James D. Allan, et al.From:Atmospheric Chemistry and Physics (Vol. 19, Issue 18) Peer-Reviewed

  Sept. 23, 2019211 words Brief article, Repor...

  Despite ongoing efforts, the vertical distribution of aerosols globally is poorly understood. This in turn leads to large uncertainties in the contributions of the direct and indirect aerosol forcing on climate....

• Description and evaluation of aerosol in UKESM1 and HadGEM3-GC3.1 CMIP6 historical simulations.

  Authors:Jane P. Mulcahy, Colin Johnson, Colin G. Jones, Adam C. Povey, Catherine E. Scott, Alistair Sellar, et al.From:Geoscientific Model Development (Vol. 13, Issue 12) Peer-Reviewed

  Dec. 21, 2020434 words Article We document and evaluate the aerosol schemes as implemented in the physical and Earth system models, the Global Coupled 3.1 configuration of the Hadley Centre Global Environment Model version 3 (HadGEM3-GC3.1) and the...

• The temperature dependence of ice-nucleating particle concentrations affects the radiative properties of tropical convective cloud systems.

  Authors:Rachel E. Hawker, Annette K. Miltenberger, Jonathan M. Wilkinson, Adrian A. Hill, Ben J. Shipway, Zhiqiang Cui, et al.From:Atmospheric Chemistry and Physics (Vol. 21, Issue 7) Peer-Reviewed

  Apr. 8, 2021265 words Brief article Convective cloud systems in the maritime tropics play a critical role in global climate, but accurately representing aerosol interactions within these clouds persists as a major challenge for weather and climate...

• Comparing the impact of environmental conditions and microphysics on the forecast uncertainty of deep convective clouds and hail

  Authors:Constanze Wellmann, Andrew I. Barrett, Jill S. Johnson, Michael Kunz, Bernhard Vogel, Ken S. Carslaw, et al.From:Atmospheric Chemistry and Physics (Vol. 20, Issue 4) Peer-Reviewed

  Feb. 26, 2020264 words Brief article Severe hailstorms have the potential to damage buildings and crops. However, important processes for the prediction of hailstorms are insufficiently represented in operational weather forecast models. Therefore, our...

• Strong constraints on aerosolcloud interactions from volcanic eruptions

  Authors:Florent F. Malavelle, Jim M. Haywood, Andy Jones, Andrew Gettelman, Lieven Clarisse, Sophie Bauduin, et al.From:Nature (Vol. 546, Issue 7659) Peer-Reviewed

  June 22, 20176,369 words Report 1680LAerosols have a potentially large effect on climate, particularly through their interactions with clouds, but the magnitude of this effect is highly uncertain. Large volcanic eruptions produce sulfur dioxide, which in...

• Robust observational constraint of uncertain aerosol processes and emissions in a climate model and the effect on aerosol radiative forcing.

  Authors:Jill S. Johnson, Leighton A. Regayre, Masaru Yoshioka, Kirsty J. Pringle, Steven T. Turnock, Jo Browse, et al.From:Atmospheric Chemistry and Physics (Vol. 20, Issue 15) Peer-Reviewed

  Aug. 13, 2020371 words Brief article The effect of observational constraint on the ranges of uncertain physical and chemical process parameters was explored in a global aerosol-climate model. The study uses 1 million variants of the Hadley Centre General...