Aerosol Optical Depth And Its Relationship To Radar Derived Precipitation In Mali West Africa
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Aerosol Optical Depth And Its Relationship To Radar Derived Precipitation In Mali West Africa
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Author : David Benham Keith
language : en
Publisher:
Release Date : 2013
Aerosol Optical Depth And Its Relationship To Radar Derived Precipitation In Mali West Africa written by David Benham Keith and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with Atmospheric aerosols categories.
Aerosol Optical Depth And Precipitation
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Author : Sneha Gautam
language : en
Publisher: Springer Nature
Release Date :
Aerosol Optical Depth And Precipitation written by Sneha Gautam and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.
Aerosol Optical Depth Analysis With Noaa Goes And Poes In The Western Atlantic
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Author : Arunas P. Kuciauskas
language : en
Publisher:
Release Date : 2002-06-01
Aerosol Optical Depth Analysis With Noaa Goes And Poes In The Western Atlantic written by Arunas P. Kuciauskas and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002-06-01 with categories.
An aerosol optical depth retrieval algorithm in the visible wavelengths for the NOAA POES AVHRR and GOES-8 visible imager is presented for the cloud free, marine atmosphere. The algorithm combines linearized single- scatter theory with an estimate of surface reflectance. Phase functions are parameterized using an aerosol size distribution model and the ratio of radiance values measured in channels 1 and 2 of the AVHRR. Retrieved satellite aerosol optical depth (AOD) is compared to three land-based sun photometer stations located on islands in the western Atlantic during July and September, 2001. GOES-8 channel 1 (visible wavelength) radiance values were initially calibrated using techniques developed by Rao. Additional connections to the channel 1 GOES- 8 radiances were made by applying a linear offset factor obtained during the experimental time period through comparison with AVHRR radiances. The results for the GOES -derived AOD compare favorably to the AERONET-measured AOD values. For both NOAA and GOES data, the comparison dataset has a correlation coefficient of 0.67 with a standard error of 0.07. For higher AOD cases (d = 0. 25), the general trend was for the satellite-derived AOD values to underestimate AERONET-observed conditions. During these higher conditions, the scattering phase function pattern contained within the algorithm deviated from the expected pattern, especially between 1400 1800. Overall, the more accurate calculations of AOD occurred over scatter angles between 140 deg - 150 deg and 170 deg - 180 deg.
Atmospheric Aerosols
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Author : Olivier Boucher
language : en
Publisher: Springer
Release Date : 2015-05-18
Atmospheric Aerosols written by Olivier Boucher and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-05-18 with Science categories.
This textbook aims to be a one stop shop for those interested in aerosols and their impact on the climate system. It starts with some fundamentals on atmospheric aerosols, atmospheric radiation and cloud physics, then goes into techniques used for in-situ and remote sensing measurements of aerosols, data assimilation, and discusses aerosol-radiation interactions, aerosol-cloud interactions and the multiple impacts of aerosols on the climate system. The book aims to engage those interested in aerosols and their impacts on the climate system: graduate and PhD students, but also post-doctorate fellows who are new to the field or would like to broaden their knowledge. The book includes exercises at the end of most chapters. Atmospheric aerosols are small (microscopic) particles in suspension in the atmosphere, which play multiple roles in the climate system. They interact with the energy budget through scattering and absorption of solar and terrestrial radiation. They also serve as cloud condensation and ice nuclei with impacts on the formation, evolution and properties of clouds. Finally aerosols also interact with some biogeochemical cycles. Anthropogenic emissions of aerosols are responsible for a cooling effect that has masked part of the warming due to the increased greenhouse effect since pre-industrial time. Natural aerosols also respond to climate changes as shown by observations of past climates and modelling of the future climate.
Mineral Dust
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Author : Peter Knippertz
language : en
Publisher: Springer
Release Date : 2014-09-01
Mineral Dust written by Peter Knippertz and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-09-01 with Science categories.
This volume presents state-of-the-art research about mineral dust, including results from field campaigns, satellite observations, laboratory studies, computer modelling and theoretical studies. Dust research is a new, dynamic and fast-growing area of science and due to its multiple roles in the Earth system, dust has become a fascinating topic for many scientific disciplines. Aspects of dust research covered in this book reach from timescales of minutes (as with dust devils, cloud processes and radiation) to millennia (as with loess formation and oceanic sediments), making dust both a player and recorder of environmental change. The book is structured in four main parts that explore characteristics of dust, the global dust cycle, impacts of dust on the Earth system, and dust as a climate indicator. The chapters in these parts provide a comprehensive, detailed overview of this highly interdisciplinary subject. The contributions presented here cover dust from source to sink and describe all the processes dust particles undergo while travelling through the atmosphere. Chapters explore how dust is lifted and transported, how it affects radiation, clouds, regional circulations, precipitation and chemical processes in the atmosphere and how it deteriorates air quality. The book explores how dust is removed from the atmosphere by gravitational settling, turbulence or precipitation, how iron contained in dust fertilizes terrestrial and marine ecosystems, and about the role that dust plays in human health. We learn how dust is observed, simulated using computer models and forecast. The book also details the role of dust deposits for climate reconstructions. Scientific observations and results are presented, along with numerous illustrations. This work has an interdisciplinary appeal and will engage scholars in geology, geography, chemistry, meteorology and physics, amongst others with an interest in the Earth system and environmental change. body>
The Atmosphere And Climate Of Mars
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Author : Robert M. Haberle
language : en
Publisher: Cambridge University Press
Release Date : 2017-06-29
The Atmosphere And Climate Of Mars written by Robert M. Haberle and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-06-29 with Science categories.
This volume reviews all aspects of Mars atmospheric science from the surface to space, and from now and into the past.
Light Scattering By Ice Crystals
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Author : Kuo-Nan Liou
language : en
Publisher: Cambridge University Press
Release Date : 2016-10-06
Light Scattering By Ice Crystals written by Kuo-Nan Liou and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-10-06 with Science categories.
This volume outlines the fundamentals and applications of light scattering, absorption and polarization processes involving ice crystals.
The Impact Of Desert Dust Across The Mediterranean
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Author : Stefano Guerzoni
language : en
Publisher: Springer Science & Business Media
Release Date : 1996-11-30
The Impact Of Desert Dust Across The Mediterranean written by Stefano Guerzoni and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996-11-30 with Science categories.
The atmosphere is an important pathway for the transport of continentally-derived material to the oceans. In this respect the Mediterranean Sea is of special importance because its atmosphere receives inputs of anthropogenic aerosols from the north and desert- derived Saharan dusts from the south. The dusts, much of which is transported in the form of seasonal `pulses', have important effects on climate, marine chemistry and sedimentation in the Mediterranean Sea. This volume brings together reviews and specific-topic papers on the following aspects of Saharan dust transport to the Mediterranean Sea: (i) the modelling of Saharan dust transport, (ii) the chemistry and mineralogy of the dusts and their effect on precipitation, (iii) the contribution of the dusts to marine sedimentation, (iv) the aerobiology of the dusts, and (v) climatic implications of Saharan dust transport. The volume is aimed at students and researchers with an interest in the climate, biogeochemistry and geology of the Mediterranean Sea.
Dissertation Abstracts International
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Author :
language : en
Publisher:
Release Date : 2008
Dissertation Abstracts International written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Dissertations, Academic categories.
Radar Entomology
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Author : V. Alistair Drake
language : en
Publisher: CABI
Release Date : 2012
Radar Entomology written by V. Alistair Drake and has been published by CABI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with Entomology categories.
Many of the world's most serious agricultural pests are highly migratory. Through the use of special-purpose radars we are provided with insights into their movement and how they learn about and navigate through their environment. This text examines the behaviour and regional variations of these species, as well as the altitude of migration, concentration of insects in layers and how they respond to large and small-scale wind systems. The book relates radar observation of insect movement to complementary and competing methodologies and surveys its capabilities and limitations. It also deals wi