Search Results - "GRANT, A. L. M"

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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Aircraft observations and model simulations of concentration and particle size distribution in the Eyjafjallajökull volcanic ash cloud by Dacre, H. F., Grant, A. L. M., Johnson, B. T.

“…The Eyjafjallajökull volcano in Iceland emitted a cloud of ash into the atmosphere during April and May 2010. Over the UK the ash cloud was observed by the…”
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Horizontal and vertical structure of the Eyjafjallajökull ash cloud over the UK: a comparison of airborne lidar observations and simulations by Grant, A. L. M., Dacre, H. F., Thomson, D. J., Marenco, F.

“…During April and May 2010 the ash cloud from the eruption of the Icelandic volcano Eyjafjallajökull caused widespread disruption to aviation over northern…”
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Volcanic ash layer depth: Processes and mechanisms by Dacre, H. F., Grant, A. L. M., Harvey, N. J., Thomson, D. J., Webster, H. N., Marenco, F.

“…The long duration of the 2010 Eyjafjallajökull eruption provided a unique opportunity to measure a widely dispersed volcanic ash cloud. Layers of volcanic ash…”
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Invigoration of cumulus cloud fields by mesoscale ascent by Kirshbaum, D. J., Grant, A. L. M.

“…Large‐eddy simulations of trade‐wind cumuli impinging on an idealized island ridge are conducted to investigate the impact of mesoscale ascent on the…”
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Non-local mixing of momentum in the convective boundary layer by BROWN, A. R, GRANT, A. L. M

“…Recently Frech and Mahrt proposed a closure scheme which includes alarge-scale stress term to represent the effects of non-local momentummixing in the…”
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Extensions to a similarity hypothesis for shallow cumulus convection by BROWN, A. R, GRANT, A. L. M

“…Grant and Brown (Quart. J. Roy. Meteorol. Soc., 125, 1913-1936) proposed a similarity hypothesis for shallow cumulus convection and evaluated it using…”
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The cumulus‐capped boundary layer. II: Interface fluxes by Grant, A. L. M.

“…This paper considers the relationship between the mean temperature and humidity profiles and the fluxes of heat and moisture at cloud base and the base of the…”
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Precipitating convection in cold air: Virtual potential temperature structure by Grant, A. L. M.

“…Simulations of precipitating convection are used to illustrate the importance of the turbulent kinetic energy (TKE) budget in determining the virtual…”
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The turbulent kinetic energy budget for shallow cumulus convection by Grant, A. L. M., Lock, A. P.

“…Turbulence Kinetic Energy (TKE) budgets derived from large-eddy simulations of the cumulus-capped boundary layer are analysed using recently developed…”
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The cumulus‐capped boundary layer. I: Modelling transports in the cloud layer by Grant, A. L. M.

“…Scalar‐flux budgets have been obtained from large‐eddy simulations (LESs) of the cumulus‐capped boundary layer. Parametrizations of the terms in the budgets…”
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Extratropical-cyclone-induced sea surface temperature anomalies in the 2013–2014 winter by Dacre, Helen F., Josey, Simon A., Grant, Alan L. M.

“…The 2013–2014 winter averaged sea surface temperature (SST) was anomalously cool in the mid-North Atlantic region. This season was also unusually stormy, with…”
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Surface drag and turbulence over an inhomogeneous land surface by GRANT, A. L. M

“…Data collected over an inhomogeneous semi-rural area are presented. The data are compared with previous surface-layer data to determine how representative the…”
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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 : The Eyjafjallajokul Volcanic Eruption in 2010 by DACRE, H. F, GRANT, A. L. M, MATTIS, I, CLARISSE, L, HOGAN, R. J, BELCHER, S. E, THOMSON, D. J, DEVENISH, B. J, MARENCO, F, HORT, M. C, HAYWOOD, J. M, ANSMANN, A

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Errors in turbulence measurements with a sonic anemometer by GRANT, A. L. M, WATKINS, R. D

“…Errors in surface-layer wind data obtained by sonic anemometers are estimated as a function of relative wind direction by using a comparison between two…”
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Mass, momentum, Sensible Heat and Latent Heat Budgets for the Lower Atmosphere by Taylor, P. K., Grant, A. L. M., Gunther, H., Olbruck, G.

“…Radiosonde data from the JASIN meterological triangle, of sides 200 km, have been used to construct mean budgets of mass, momentum and sensible and latent…”
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Comparisons of aircraft, ship, and buoy radiation and SST measurements from TOGA COARE by Burns, Sean P., Khelif, Djamal, Friehe, Carl A., Hignett, Phil, Williams, Alastair G., Grant, Alan L. M., Hacker, Jörg M., Hagan, Denise E., Serra, Yolande L., Rogers, David P., Bradley, E. Frank, Weller, Robert A., Fairall, Chris W., Anderson, Steven P., Paulson, Clayton A., Coppin, Peter A.

“…Mean radiative fluxes and sea surface temperature measured by the five Tropical Ocean‐Global Atmosphere Coupled Ocean‐Atmosphere Response Experiment (TOGA…”
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Comparisons of aircraft, ship, and buoy meteorological measurements from TOGA COARE by Burns, Sean P., Khelif, Djamal, Friehe, Carl A., Williams, Alastair G., Hignett, Phil, Grant, Alan L. M., Hacker, Jörg M., Rogers, David P., Bradley, E. Frank, Weller, Robert A., Cronin, Meghan F., Anderson, Steven P., Fairall, Chris W., Paulson, Clayton A.

“…Comparisons of mean ambient temperature, specific humidity, static pressure, and horizontal wind from the five Tropical Ocean‐Global Atmosphere Coupled…”
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Aircraft estimates of the geostrophic drag coefficient and the Rossby similarity function A and B over the sea by GRANT, A. L. M, WHITEFORD, R

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Aircraft estimates of the geostrophic drag coefficient and the rossby similarity functions A and B over the sea by Grant, A. L. M., Whiteford, R.

“…Estimates of the geostrophic drag coefficient and the Rossby similarity functions A and B, obtained from data collected by an instrumented aircraft over the…”
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