The Global Energy Budget and the Role of Cumulus Clouds PDF Download
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Author: Joanne Simpson
Publisher:
ISBN:
Category : Atmospheric circulation
Languages : en
Pages : 184
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Book Description
Author: Joanne Simpson
Publisher:
ISBN:
Category : Atmospheric circulation
Languages : en
Pages : 184
Get Book Here
Book Description
Author: Joanne Simpson
Publisher:
ISBN:
Category : Atmospheric circulation
Languages : en
Pages : 175
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Book Description
Author: Joanne Simpson
Publisher:
ISBN:
Category : Atmospheric circulation
Languages : en
Pages : 188
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Book Description
Author: R. A. J. Neggers
Publisher:
ISBN: 9789058087744
Category :
Languages : en
Pages : 202
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Book Description
Author: Samuel Pennypacker
Publisher:
ISBN:
Category :
Languages : en
Pages : 97
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Book Description
Boundary layer clouds are fundamental components of the climate system because of their first order impacts on the global energy balance. While marine boundary layer clouds have received most of the attention in this field because of their connection to global climate sensitivity and radiative forcing, continental boundary layer clouds also play a crucial role in controlling the amount of radiation reaching the land surface. Sitting at the top of the atmospheric boundary layer, these clouds are fundamentally linked to underlying land surface processes. We present three studies that explore the connection between land-atmosphere interactions and shallow clouds with eye toward improving process-based understanding of this system. The first shows that marine boundary layer clouds are an important sink for aerosol particles over the southeast Atlantic Ocean, helping mitigate the impact of continental African biomass burning aerosols transported to the vicinity of these low clouds. Then, we look to ground our mechanistic understanding of the response of continental shallow cumulus clouds to two different land cover changes, boreal forest expansion and tropical deforestation, using an idealized modeling framework. This analysis reveals the importance of environmental context, especially soil moisture availability and background atmospheric humidity, in determining the response of the convective boundary layer and cloud cover to these land surface perturbations. The co-evolution of boundary layer and lifting condensation level heights also emerges as key and should motivate examination of results from models that cannot faithfully represent these parameters. Finally, using a combination of the same idealized modeling system and observations from two ARM sites, we explore the effects of variations in the surface energy budget, in response to both land cover change and natural variability, on boundary layer convective velocities, initial shallow cumulus updraft speeds and the number of aerosol particles activated into cloud droplets. While the simulations and observations show that surface heat fluxes are not likely the dominant driver of changes in shallow cumulus droplet number in most settings, environments with lower evaporative fractions do favor a stronger coupling. We connect each of these studies to larger questions in cloud physics and land-atmosphere interactions, and hope to motivate further work on the detailed properties of this system.
Author: A. Pier Siebesma
Publisher: Cambridge University Press
ISBN: 1108882781
Category : Science
Languages : en
Pages : 421
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Book Description
Cloud research is a rapidly developing branch of climate science that's vital to climate modelling. With new observational and simulation technologies our knowledge of clouds and their role in the warming climate is accelerating. This book provides a comprehensive overview of research on clouds and their role in our present and future climate, covering theoretical, observational, and modelling perspectives. Part I discusses clouds from three different perspectives: as particles, light and fluid. Part II describes our capability to model clouds, ranging from theoretical conceptual models to applied parameterised representations. Part III describes the interaction of clouds with the large-scale circulation in the tropics, mid-latitudes, and polar regions. Part IV describes how clouds are perturbed by aerosols, the land-surface, and global warming. Each chapter contains end-of-chapter exercises and further reading sections, making this an ideal resource for advanced students and researchers in climatology, atmospheric science, meteorology, and climate change.
Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1194
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Book Description
Author: Environmental Science Information Center. Library and Information Services Division
Publisher:
ISBN:
Category :
Languages : en
Pages : 444
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Book Description
Author: Environmental Science Information Center. Library and Information Services Division
Publisher:
ISBN:
Category : Book catalogs
Languages : en
Pages : 444
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Book Description
Author:
Publisher: Academic Press
ISBN: 0080568483
Category : Science
Languages : en
Pages : 321
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Book Description
Advances in Geophysics
