Search Results - "Haywood, J. M"

Bounding Global Aerosol Radiative Forcing of Climate Change by Bellouin, N., Quaas, J., Gryspeerdt, E., Kinne, S., Stier, P., Watson‐Parris, D., Boucher, O., Carslaw, K. S., Christensen, M., Daniau, A.‐L., Dufresne, J.‐L., Feingold, G., Fiedler, S., Forster, P., Gettelman, A., Haywood, J. M., Lohmann, U., Malavelle, F., Mauritsen, T., McCoy, D. T., Myhre, G., Mülmenstädt, J., Neubauer, D., Possner, A., Rugenstein, M., Sato, Y., Schulz, M., Schwartz, S. E., Sourdeval, O., Storelvmo, T., Toll, V., Winker, D., Stevens, B.

“…Aerosols interact with radiation and clouds. Substantial progress made over the past 40 years in observing, understanding, and modeling these processes helped…”
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Sea-spray geoengineering in the HadGEM2-ES earth-system model: radiative impact and climate response by Jones, A, Haywood, J. M

“…The radiative impact and climate effects of geoengineering using sea-spray aerosols have been investigated in the HadGEM2-ES Earth system model using a fully…”
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Biomass burning related ozone damage on vegetation over the Amazon forest: a model sensitivity study by Pacifico, F, Folberth, G. A, Sitch, S, Haywood, J. M, Rizzo, L. V, Malavelle, F. F, Artaxo, P

“…The HadGEM2 earth system climate model was used to assess the impact of biomass burning on surface ozone concentrations over the Amazon forest and its impact…”
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Are Changes in Atmospheric Circulation Important for Black Carbon Aerosol Impacts on Clouds, Precipitation, and Radiation? by Johnson, B. T., Haywood, J. M., Hawcroft, M. K.

“…Black carbon (BC) aerosols strongly absorb solar radiation, but their effective radiative forcing and impacts on regional climate remain highly uncertain owing…”
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Physical and optical properties of mineral dust aerosol during the Dust and Biomass-burning Experiment by Osborne, S. R., Johnson, B. T., Haywood, J. M., Baran, A. J., Harrison, M. A. J., McConnell, C. L.

“…We present aircraft measurements of dust aerosol during the Dust and Biomass‐burning Experiment (DABEX), a project affiliated with the African Monsoon…”
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Uplift of Saharan dust south of the intertropical discontinuity by Marsham, J. H., Parker, D. J., Grams, C. M., Taylor, C. M., Haywood, J. M.

“…In situ observations from a flight made during the Geostationary Earth Radiation Budget Intercomparison of Longwave and Shortwave Radiation (GERBILS) field…”
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Global sensitivity studies of the direct radiative forcing due to anthropogenic sulfate and black carbon aerosols by Haywood, J. M., Ramaswamy, V.

“…The direct radiative forcing (DRF) of sulfate and black carbon (BC) aerosols is investigated using a new multispectral radiation code within the R30…”
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Aircraft measurements of biomass burning aerosol over West Africa during DABEX by Johnson, B. T., Osborne, S. R., Haywood, J. M., Harrison, M. A. J.

“…This paper investigates the properties of biomass burning aerosols over West Africa using data from the UK FAAM aircraft during the Dust and Biomass‐burning…”
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Evaluating the structure and magnitude of the ash plume during the initial phase of the 2010 Eyjafjallajökull eruption using lidar observations and NAME simulations by Dacre, H. F., Grant, A. L. M., Hogan, R. J., Belcher, S. E., Thomson, D. J., Devenish, B. J., Marenco, F., Hort, M. C., Haywood, J. M., Ansmann, A., Mattis, I., Clarisse, L.

“…The Eyjafjallajökull volcano in Iceland erupted explosively on 14 April 2010, emitting a plume of ash into the atmosphere. The ash was transported from Iceland…”
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Overview of the Dust and Biomass-burning Experiment and African Monsoon Multidisciplinary Analysis Special Observing Period-0 by Haywood, J. M., Pelon, J., Formenti, P., Bharmal, N., Brooks, M., Capes, G., Chazette, P., Chou, C., Christopher, S., Coe, H., Cuesta, J., Derimian, Y., Desboeufs, K., Greed, G., Harrison, M., Heese, B., Highwood, E. J., Johnson, B., Mallet, M., Marticorena, B., Marsham, J., Milton, S., Myhre, G., Osborne, S. R., Parker, D. J., Rajot, J.-L., Schulz, M., Slingo, A., Tanré, D., Tulet, P.

“…The African Monsoon Multidisciplinary Analysis (AMMA) is a major international campaign investigating far‐reaching aspects of the African monsoon, climate and…”
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The AMMA field campaigns: multiscale and multidisciplinary observations in the West African region by Lebel, T., Parker, D. J., Flamant, C., Bourlès, B., Marticorena, B., Mougin, E., Peugeot, C., Diedhiou, A., Haywood, J. M., Ngamini, J. B., Polcher, J., Redelsperger, J.‐L., Thorncroft, C. D.

“…AMMA—the African Monsoon Multidisciplinary Analysis—is the biggest programme of research into environment and climate ever attempted in Africa. AMMA has…”
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Spatial distribution of dust's optical properties over the Sahara and Asia inferred from Moderate Resolution Imaging Spectroradiometer by Yoshida, M, Haywood, J. M, Yokohata, T, Murakami, H, Nakajima, T

“…There is great uncertainty regarding the role of mineral dust aerosols in Earth's climate system. One reason for this uncertainty is that the optical…”
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Parameterization of contrails in the UK Met Office Climate Model by Rap, A., Forster, P. M., Jones, A., Boucher, O., Haywood, J. M., Bellouin, N., De Leon, R. R.

“…Persistent contrails are believed to currently have a relatively small but significant positive radiative forcing on climate. With air travel predicted to…”
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Tropospheric Aerosol Climate Forcing in Clear-Sky Satellite Observations Over the Oceans by Haywood, J. M., Ramaswamy, V., Soden, B. J.

“…Tropospheric aerosols affect the radiative forcing of Earth's climate, but their variable concentrations complicate an understanding of their global influence…”
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Airborne measurements of trace gases and aerosols over the London metropolitan region by McMeeking, G. R, Bart, M, Chazette, P, Haywood, J. M, Hopkins, J. R, McQuaid, J. B, Morgan, W. T, Raut, J.-C, Ryder, C. L, Savage, N, Turnbull, K, Coe, H

“…The Emissions around the M25 motorway (EM25) campaign took place over the megacity of London in the United Kingdom in June 2009 with the aim of characterising…”
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Motivation, rationale and key results from the GERBILS Saharan dust measurement campaign by Haywood, J. M., Johnson, B. T., Osborne, S. R., Baran, A. J., Brooks, M., Milton, S. F., Mulcahy, J., Walters, D., Allan, R. P., Klaver, A., Formenti, P., Brindley, H. E., Christopher, S., Gupta, P.

“…The Geostationary Earth Radiation Budget Intercomparison of Longwave and Shortwave radiation (GERBILS) was an observational field experiment over North Africa…”
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Stratospheric aerosols from the Sarychev volcano eruption in the 2009 Arctic summer by Jégou, F, Berthet, G, Brogniez, C, Renard, J.-B, François, P, Haywood, J. M, Jones, A, Bourgeois, Q, Lurton, T, Auriol, F, Godin-Beekmann, S, Guimbaud, C, Krysztofiak, G, Gaubicher, B, Chartier, M, Clarisse, L, Clerbaux, C, Balois, J. Y, Verwaerde, C, Daugeron, D

“…Aerosols from the Sarychev volcano eruption (Kuril Islands, northeast of Japan) were observed in the Arctic lower stratosphere a few days after the strongest…”
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Measurements of aerosol properties from aircraft, satellite and ground‐based remote sensing: a case‐study from the Dust and Biomass‐burning Experiment (DABEX) by Johnson, B. T., Christopher, S., Haywood, J. M., Osborne, S. R., McFarlane, S., Hsu, C., Salustro, C., Kahn, R.

“…This paper presents aircraft measurements of aerosol optical properties and radiative effects from the Dust and Biomass‐burning Experiment (DABEX) over West…”
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The Harmattan over West Africa: nocturnal structure and frontogenesis by Burton, R. R., Devine, G. M., Parker, D. J., Chazette, P., Dixon, N., Flamant, C., Haywood, J. M.

“…This article presents observations and model simulations of the low‐level nocturnal structure of the atmosphere over West Africa. The measurements are taken…”
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Modeling of the solar radiative impact of biomass burning aerosols during the Dust and Biomass-burning Experiment (DABEX) by Myhre, G., Hoyle, C. R., Berglen, T. F., Johnson, B. T., Haywood, J. M.

“…The radiative forcing associated with biomass burning aerosols has been calculated over West Africa using a chemical transport model. The model simulations…”
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