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Thin Cirrus Cloud Over The Tropical Pacific
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Book Synopsis Thin Cirrus Cloud Over the Tropical Pacific by : Hsiao-hua K. Burke
Download or read book Thin Cirrus Cloud Over the Tropical Pacific written by Hsiao-hua K. Burke and published by . This book was released on 1978 with total page 41 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report summarizes a theoretical study of the detectability of high altitude (>10 km) thin cirrus clouds by various remote sensors over the tropical Pacific. The remote sensors considered include: (1) visual detection from the surface, (2) visual detection from an aircraft, and (3) infrared sensor (6.7 micrometers) from space. The radiative transfer technique to compute the atmospheric radiance (intensity) is summarized. The optical properties of ice crystals are presented. The results indicate that the minimum detectable concentration of ice crystals having a dimension greater than 80 micrometers, the critical size which will be hazardous to the RV transition, is around 2 x 10(4) m( -3) for visual detection from the surface and 3-4 x 10(3) m( -3) for both aircraft observation and infrared sensors from space. (Author).
Author :National Aeronautics and Space Adm Nasa Publisher :Independently Published ISBN 13 :9781729223628 Total Pages :46 pages Book Rating :4.2/5 (236 download)
Book Synopsis Optically Thin Cirrus Clouds Over Oceans and Possible Impact on Sea Surface Temperature of Warm Pool in Western Pacific by : National Aeronautics and Space Adm Nasa
Download or read book Optically Thin Cirrus Clouds Over Oceans and Possible Impact on Sea Surface Temperature of Warm Pool in Western Pacific written by National Aeronautics and Space Adm Nasa and published by Independently Published. This book was released on 2018-10-25 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over the convectively active tropical ocean regions, the measurement made from space in the IR and visible spectrum have revealed the presence of optically thin cirrus clouds, which are quite transparent in the visible and nearly opaque in the IR. The Nimbus-4 IR Interferometer Spectrometer (IRIS), which has a field of view (FOV) of approximately 100 km, was utilized to examine the IR optical characteristics of these cirrus clouds. From the IRIS data, it was observed that these optically thin cirrus clouds prevail extensively over the warm pool region of the equatorial western Pacific, surrounding Indonesia. It is found that the seasonal cloud cover caused by these thin cirrus clouds exceeds 50 percent near the central regions of the warm pool. For most of these clouds, the optical thickness in the IR is less than or = 2. It is deduced that the dense cold anvil clouds associated with deep convection spread extensively and are responsible for the formation of the thin cirrus clouds. This is supported by the observation that the coverage of the dense anvil clouds is an order of magnitude less than that of the thin cirrus clouds. From these observations, together with a simple radiative-convective model, it is inferred that the optically thin cirrus can provide a greenhouse effect, which can be a significant factor in maintaining the warm pool. In the absence of fluid transports, it is found that these cirrus clouds could lead to a runaway greenhouse effect. The presence of fluid transport processes, however, act to moderate this effect. Thus, if a modest 20 W/sq m energy input is considered to be available to warm the ocean, then it is found that the ocean mixed-layer of a 50-m depth will be heated by approximately 1 C in 100 days. Prabhakara, C. and Yoo, J.-M. and Dalu, G. and Kratz, P. Goddard Space Flight Center ...
Book Synopsis On the Properties of Cirrus Clouds Over the Tropical West Pacific by : Cristian Mitrescu
Download or read book On the Properties of Cirrus Clouds Over the Tropical West Pacific written by Cristian Mitrescu and published by . This book was released on 2002 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Optically Thin Cirrus Clouds Over Oceans and Possible Impact on Sea Surface Temperature of Warm Pool in Western Pacific by :
Download or read book Optically Thin Cirrus Clouds Over Oceans and Possible Impact on Sea Surface Temperature of Warm Pool in Western Pacific written by and published by . This book was released on 1991 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis On the Properties of Cirrus Clouds of the Tropical West Pacific by : Cristian Mitrescu
Download or read book On the Properties of Cirrus Clouds of the Tropical West Pacific written by Cristian Mitrescu and published by . This book was released on 2002 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Cirrus written by David K. Lynch and published by Oxford University Press. This book was released on 2002-01-24 with total page 516 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cirrus clouds are high, thin, tropospheric clouds composed predominately of ice. In the last ten years, considerable work has shown that cirrus is widespread--more common than previously believed--and has a significant impact on climate and global change. As the next generation weather satellites are being designed, the impact of cirrus on remote sensing and the global energy budget must be recognized and accommodated. This book, the first to be devoted entirely to cirrus clouds, captures the state of knowledge of cirrus and serves as a practical handbook as well. Each chapter is based on an invited review talk presented at Cirrus, a meeting hosted by the Optical Society of America and co-sponsored by the American Geophysical Union and the American Meteorological Society. All aspects of cirrus clouds are covered, an approach that reaches into diverse fields. Topics include: the definition of cirrus, cirrus climatologies, nucleation, evolution and dissipation, mixed-phase thermodynamics, crystallinity, orientation mechanisms, dynamics, scattering, radiative transfer, in situ sampling, processes that produce or influence cirrus (and vice versa), contrails, and the influence of cirrus on climate.
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Book Synopsis Studies Of Cloud, Convection And Precipitation Processes Using Satellite Observations by : William B Rossow
Download or read book Studies Of Cloud, Convection And Precipitation Processes Using Satellite Observations written by William B Rossow and published by World Scientific. This book was released on 2022-10-26 with total page 333 pages. Available in PDF, EPUB and Kindle. Book excerpt: Clouds, convection and precipitation processes are central components of Earth's weather and climate. They are produced by atmospheric motions across a very wide range of space-time scales from local weather to long-term global climate variation. They feedback on these motions by perturbing the heating/cooling that drive the atmospheric circulation. These processes also perturb the oceanic circulation and land surface properties that affect the atmospheric circulation.Because of the coupling of the atmosphere-ocean-land system across all scales by cloud, convection and precipitation processes, studying their behaviors requires measurements in space-time variations across all these scales simultaneously. Satellite constellations with global coverage and high time resolution offer the ideal platforms for such observations. This book summarizes some of the latest research using combinations of various satellite observations to study these processes and to evaluate their representations in global weather and climate models.Included with this publication are downloadable electronic slides and accompanying notes of each lecture for students, teachers, and public speakers around the world to be better able to understand cloud, convection and precipitation processes.
Book Synopsis Distribution and Radiative Forcing of Tropical Thin Cirrus Clouds by :
Download or read book Distribution and Radiative Forcing of Tropical Thin Cirrus Clouds written by and published by . This book was released on 2009 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt: To understand the radiative impact of tropical thin cirrus clouds, the frequency of occurrence and optical depths of these clouds have been derived. "Thin" cirrus clouds are defined here as being those that are not detected by the operational Moderate Resolution Imaging Spectroradiometer (MODIS) cloud mask, corresponding to an optical depth value of approximately 0.3 or smaller, but that are detectable in terms of the cirrus reflectance product based on the MODIS 1.375-micron channel. With such a definition, thin cirrus clouds were present in more than 40% of the pixels flagged as "clear sky" by the operational MODIS cloud mask algorithm. It is shown that these thin cirrus clouds are frequently observed in deep convective regions in the western Pacific. Thin cirrus optical depths were derived from the cirrus reflectance product. Regions of significant cloud fraction and large optical depths were observed in the Northern Hemisphere during the boreal spring and summer and moved southward during the boreal autumn and winter. The radiative effects of tropical thin cirrus clouds were studied on the basis of the retrieved cirrus optical depths, the atmospheric profiles derived from the Atmospheric Infrared Sounder (AIRS) observations, and a radiative transfer model in conjunction with a parameterization of ice cloud spectral optical properties. To understand how these clouds regulate the radiation field in the atmosphere, the instantaneous net fluxes at the top of the atmosphere (TOA) and at the surface were calculated. The present study shows positive and negative net forcings at the TOA and at the surface, respectively. The positive (negative) net forcing at the TOA (surface) is due to the dominance of longwave (shortwave) forcing. Both the TOA and surface forcings are in a range of 0-20 W/sq m, depending on the optical depths of thin cirrus clouds.
Book Synopsis Cloud Structure and Distributions Over the Tropical Pacific Ocean by : Joanne S. Malkus
Download or read book Cloud Structure and Distributions Over the Tropical Pacific Ocean written by Joanne S. Malkus and published by Univ of California Press. This book was released on with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Technical Abstract Bulletin written by and published by . This book was released on with total page 1048 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Research and Technology by : Goddard Space Flight Center
Download or read book Research and Technology written by Goddard Space Flight Center and published by . This book was released on 1995 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis R & D Abstracts by : Technology Reports Centre (Great Britain)
Download or read book R & D Abstracts written by Technology Reports Centre (Great Britain) and published by . This book was released on 1979 with total page 506 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Remote Sensing of Atmosphere and Ocean from Space: Models, Instruments and Techniques by : Frank S. Marzano
Download or read book Remote Sensing of Atmosphere and Ocean from Space: Models, Instruments and Techniques written by Frank S. Marzano and published by Springer Science & Business Media. This book was released on 2006-04-11 with total page 250 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a collection of the lectures, held at the International Summer School ISSAOS-2000 in L'Aquila (Italy), given by invited lecturers coming from both Europe and the USA. The goal of the book is to provide a broad panorama of spaceborne remote sensing techniques, at both microwave and visible-infrared bands and by both active and passive sensors, for the retrieval of atmospheric and oceanic parameters. A significant emphasis is given to the physical modeling background, instrument potential and limitations, inversion methods and applications. Topics on international remote sensing programs and assimilation techniques into numerical weather forecast models are also touched. The main purpose of the book is to offer to young scientists, Ph.D. or equivalent students, and to all who would like to have a broad-spectrum understanding of spaceborne remote sensing capabilities, introductory material to each remote sensing topic written by the most qualified experts in the field.
Book Synopsis Selected Water Resources Abstracts by :
Download or read book Selected Water Resources Abstracts written by and published by . This book was released on 1987 with total page 942 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Light Scattering by Ice Crystals by : Kuo-Nan Liou
Download or read book Light Scattering by Ice Crystals written by Kuo-Nan Liou and published by Cambridge University Press. This book was released on 2016-10-06 with total page 461 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume outlines the fundamentals and applications of light scattering, absorption and polarization processes involving ice crystals.
Book Synopsis Global Energy and Water Cycles by : K. A. Browning
Download or read book Global Energy and Water Cycles written by K. A. Browning and published by Cambridge University Press. This book was released on 1999-02 with total page 308 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive treatment of models and processes related to water fluxes for meteorologists, hydrologists and oceanographers.
