نتایج جستجو برای: atmospheric boundary layer

تعداد نتایج: 489371  

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2009
Jingfeng Wang Frédéric J F Chagnon Earle R Williams Alan K Betts Nilton O Renno Luiz A T Machado Gautam Bisht Ryan Knox Rafael L Bras

Shallow clouds are prone to appear over deforested surfaces whereas deep clouds, much less frequent than shallow clouds, favor forested surfaces. Simultaneous atmospheric soundings at forest and pasture sites during the Rondonian Boundary Layer Experiment (RBLE-3) elucidate the physical mechanisms responsible for the observed correlation between clouds and land cover. We demonstrate that the at...

2006
Vijayant Kumar Jan Kleissl Charles Meneveau Marc B. Parlange

[1] A simulation of a diurnal cycle of atmospheric boundary layer (ABL) flow over a homogeneous terrain is performed using large-eddy simulation (LES) with the Lagrangian scale-dependent dynamic subgrid-scale model. The surface boundary condition is derived from the field observations of surface heat flux from the HATS experiment (Horst et al., 2004; Kleissl et al., 2004). The simulation result...

2014
R. L. Herman J. E. Cherry J. Young J. M. Welker D. Noone S. S. Kulawik

The EOS (Earth Observing System) Aura Tropospheric Emission Spectrometer (TES) retrieves the atmospheric HDO /H2O ratio in the mid-to-lower troposphere as well as the planetary boundary layer. TES observations of water vapor and the HDO isotopologue have been compared with nearly coincident in situ airborne measurements for direct validation of the TES products. The field measurements were made...

2002
R. von Glasow M. G. Lawrence R. Sander P. J. Crutzen

Modeling the chemical effects of ship exhaust in the cloud-free marine boundary layer R. von Glasow, M. G. Lawrence, R. Sander, and P. J. Crutzen Max-Planck-Institut für Chemie, Atmospheric Chemistry Division, PO Box 3060, 55020 Mainz, Germany 2 Center for Atmospheric Sciences, Scripps Institution of Oceanography, University of California at San Diego, La Jolla, CA 92093-0221, USA now at Scripp...

Journal: :Journal of Atmospheric and Oceanic Technology 2013

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