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Wind Tunnel Calibrations of Three Instruments Designed for Measurement of the Liquid-water Content of Clouds

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Release : 1957
Genre : Cloud physics
Kind : eBook
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Book Synopsis Wind Tunnel Calibrations of Three Instruments Designed for Measurement of the Liquid-water Content of Clouds by : George V. Owens

Download or read book Wind Tunnel Calibrations of Three Instruments Designed for Measurement of the Liquid-water Content of Clouds written by George V. Owens. This book was released on 1957. Available in PDF, EPUB and Kindle. Book excerpt:

Response of Cloud Microphysical Instruments to Aircraft Icing Conditions

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Release : 1981
Genre : Airplanes
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Book Synopsis Response of Cloud Microphysical Instruments to Aircraft Icing Conditions by : Morton Glass

Download or read book Response of Cloud Microphysical Instruments to Aircraft Icing Conditions written by Morton Glass. This book was released on 1981. Available in PDF, EPUB and Kindle. Book excerpt: A series of passes on 6 December 1979 through multilayered-supercooled stratiform and stratocumulus clouds by the Air Force Geophysics Laboratory's instrumented C-130E cloud physics research aircraft is used to evaluate a Rosemount Ice Detector. The response of the detector to icing conditions is compared with measurements from a J-W liquid water content meter and the Knollenberg Axial Scattering Spectrometer Probe (ASSP). A procedure to adjust for zero drift of the J-W instrument is developed. Comparison of liquid water measurements from the J-W and from the ASSP indicate that these data are highly correlated and similar in magnitude. A procedure for extracting useful information from the Rosemount Ice detector has been developed. The icing conditions in the cloud systems studied are typical of the range of conditions in winter stratiform clouds. Liquid water (LWC) values of 0.3 g/cu m and median volume diameters of 15 micrometers were most frequently observed. The results of the analysis show that the Rosemount Ice Detector is a sensitive indicator of the fluctuations of liquid water in clouds with LWC not exceeding 0.8 g/cu m -3.

Clouds Their Formation, Optical Properties, And Effects

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Release : 2012-12-02
Genre : Science
Kind : eBook
Book Rating : 971/5 ( reviews)

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Book Synopsis Clouds Their Formation, Optical Properties, And Effects by : Peter Hobbs

Download or read book Clouds Their Formation, Optical Properties, And Effects written by Peter Hobbs. This book was released on 2012-12-02. Available in PDF, EPUB and Kindle. Book excerpt: Clouds: Their Formation, Optical Properties, and Effects deals with the formation of clouds as well as the theoretical and experimental aspects of their microphysical and optical properties. Discussions are grouped under the headings of structure of clouds, interaction of passive radiation with clouds, and interaction of active radiation with clouds. This book is organized into three sections and has 11 chapters. After analyzing the spatial and temporal scales involved in the formation and organization of clouds and precipitation, this text examines the microphysical measurement techniques used in probing the microstructure of clouds. The reader is then methodically introduced to the microstructure of atmospheric clouds and precipitation; the formation and structure of fog; and basic shortwave characteristics of “ideal clouds. The temporal behavior of clouds and their interaction with the radiation field are considered, along with the possible effects of cloud models in general circulation studies. The remaining chapters explore the light scattering properties of ice crystals and the radiative characteristics of ice clouds; the laser measurements in clouds; the transmission and reflectivity of ice clouds by active probing; and the theory of multiple scattering of laser beams in clouds. The book concludes by presenting the measurements of the temporal and spatial spreading of a blue-green pulse through clouds and fogs as a function of optical thickness and receiver field-of-view. This text will be helpful to advanced researchers and program managers in terms of reviewing the state of the art and identifying those areas requiring further research efforts.

Airborne Measurements for Environmental Research

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Release : 2013-03-22
Genre : Science
Kind : eBook
Book Rating : 236/5 ( reviews)

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Book Synopsis Airborne Measurements for Environmental Research by : Manfred Wendisch

Download or read book Airborne Measurements for Environmental Research written by Manfred Wendisch. This book was released on 2013-03-22. Available in PDF, EPUB and Kindle. Book excerpt: This first comprehensive review of airborne measurement principles covers all atmospheric components and surface parameters. It describes the common techniques to characterize aerosol particles and cloud/precipitation elements, while also explaining radiation quantities and pertinent hyperspectral and active remote sensing measurement techniques along the way. As a result, the major principles of operation are introduced and exemplified using specific instruments, treating both classic and emerging measurement techniques. The two editors head an international community of eminent scientists, all of them accepted and experienced specialists in their field, who help readers to understand specific problems related to airborne research, such as immanent uncertainties and limitations. They also provide guidance on the suitability of instruments to measure certain parameters and to select the correct type of device. While primarily intended for climate, geophysical and atmospheric researchers, its relevance to solar system objects makes this work equally appealing to astronomers studying atmospheres of solar system bodies with telescopes and space probes.

A Prototype Optical Flowmeter for the Measurement of Liquid Water Content

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Author :
Release : 1971
Genre : Cloud physics
Kind : eBook
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Book Synopsis A Prototype Optical Flowmeter for the Measurement of Liquid Water Content by : E. N. Brown

Download or read book A Prototype Optical Flowmeter for the Measurement of Liquid Water Content written by E. N. Brown. This book was released on 1971. Available in PDF, EPUB and Kindle. Book excerpt:

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