Atmospheric Science Letters

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“Urban meteorology and air quality”. Meeting 21st March 2001, University of Birmingham
Atmospheric Science Letters - Tập 2 - Trang 39-51 - 2001
Richard A Betts
Combining radar and rain gauge rainfall estimates using conditional merging
Atmospheric Science Letters - Tập 6 Số 1 - Trang 19-22 - 2005
Scott Sinclair, Geoff Pegram
AbstractThe Hydrologist's traditional tool for measuring rainfall is the rain gauge. Rain gauges are relatively cheap, easy to maintain and provide a direct and suitably accurate estimate of rainfall at a point. What rain gauges fail to capture well is the spatial variability of rainfall with time, an important aspect for the credible modelling of a catchment's response to rainfall. This spatial v... hiện toàn bộ
A method to assess the variation of urban canyon geometry from sky view factor transects
Atmospheric Science Letters - Tập 2 - Trang 32-38 - 2001
M.H Al-Jiboori, Yumao Xu, Yongfu Qian
AbstractIt is now possible to generate large quantities of sky view factor (SVF) values due to advances in digital techniques for calculating SVF from hemispherical images. Coupling image acquisition with Global Positioning System (GPS) data now enables transects to be accurately placed, enabling site‐specific SVF analysis in relation to street geometry. This paper examines SVF transects through f... hiện toàn bộ
Residual kriging analysis of airborne measurements: application to the mapping of atmospheric boundary‐layer thermal structures in a mountain valley
Atmospheric Science Letters - Tập 14 Số 2 - Trang 79-85 - 2013
Lavinia Laiti, Dino Zardi, Massimiliano de Franceschi, Gabriele Rampanelli
AbstractResidual kriging (RK) is applied to data from measurements performed with an instrumented motorglider in an Alpine Valley, where a coupled lake and valley wind develops. Results provide an insight into a typical mean vertical structure of the valley boundary layer, displaying a rather shallow convective mixed layer, surmounted by a deep stable layer. Mapping with RK allows to detect spatia... hiện toàn bộ
Air flow influences on local climate: observed United Kingdom climate variations
Atmospheric Science Letters - Tập 1 - Trang 62 - 2000
Osborn Timothy J., Jones Philip D.
Identifying and removing the influence of atmospheric circulation variability on central England temperature increases the statistical significance of warming trends in spring, autumn and the annual mean over the last 50 years. The trends are more detectable because the circulation changes contribute greatly to the ‘noise’ of interannual to interdecadal variability, but induce only small multi-dec... hiện toàn bộ
#Climate variability #climate trends #atmospheric circulation #weather types
The Met. Office – fit for the 21st Century?
Atmospheric Science Letters - Tập 1 - Trang 108-114 - 2000
R.B. Neale, B.J. Hoskins
Potential energy for slantwise parcel motion
Atmospheric Science Letters - Tập 1 - Trang 56-61 - 2000
S.L. Gray, A.J. Thorpe
AbstractTwo formulations for the potential energy for slantwise motion are compared: one which applies strictly only to two‐dimensional flows (SCAPE) and a three‐dimensional formulation based on a Bernoulli equation. The two formulations share an identical contribution from the vertically integrated buoyancy anomaly and a contribution from different Coriolis terms. The latter arise from the neglec... hiện toàn bộ
Simulation of the Asian summer monsoon in five European general circulation models
Atmospheric Science Letters - Tập 1 - Trang 37-55 - 2000
G.M. Martin, K. Arpe, F. Chauvin, L. Ferranti, K. Maynard, J. Polcher, D.B. Stephenson, P. Tschuck
AbstractA comparison is made of the mean monsoon climatology in five different general circulation models (GCMs) which have been used by the participants of a project, funded by the European Union, entitled Studies of the Influence, Hydrology and Variability of the Asian summer monsoon (SHIVA). The models differ considerably, in horizontal and vertical resolution, numerical schemes and physical pa... hiện toàn bộ
Simulations of time‐coincident, co‐located measurements from ENVISAT‐1 instruments for the characterization of tropospheric aerosols: a sensitivity study including cloud contamination effects
Atmospheric Science Letters - Tập 1 - Trang 142-150 - 2000
L.V. Alexander, P.D. Jones
AbstractA sensitivity test of the aerosol properties retrieval is conducted using nadir viewing instruments on board the ENVISAT‐1 platform trying to reproduce the natural variability of the aerosol field. The analysis highlights problems arising in the retrieval when aerosol loading, relative humidity, and cloud coverage are simultaneously varied. Copyright © 2001 Royal Meteorological Society.
Where is ENSO stress balanced?
Atmospheric Science Letters - Tập 5 - Trang 13-22 - 2004
Matthias Münnich, J.David Neelin
AbstractThe zonal surface torque budget associated with the tropical wind stress anomalies during El Niño/Southern Oscillation is analyzed. Mountain and surface stress torques over South America are found to play a prominent role. Local momentum change is negligible for 6 month averages allowing the balance among regional contributions to the torque anomalies to be compared. During El Niño, eastwa... hiện toàn bộ
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