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Author : Paul A. Davis
Publisher :
ISBN 13 :
Total Pages : 39 pages
Book Rating : 4.:/5 (854 download)
Download or read book Lidar Measurements of Cirrus Cloud written by Paul A. Davis and published by . This book was released on 1969 with total page 39 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Christian Rolf
Publisher : Forschungszentrum Jülich
ISBN 13 : 3893368477
Total Pages : 143 pages
Book Rating : 4.8/5 (933 download)
Download or read book Lidar Observations of Natural and Volcanic-ash-induced Cirrus Clouds written by Christian Rolf and published by Forschungszentrum Jülich. This book was released on 2013 with total page 143 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Clive Russel Cook
Publisher :
ISBN 13 :
Total Pages : 366 pages
Book Rating : 4.:/5 (111 download)
Download or read book LIDAR and Airborne Measurements of Cirrus Clouds written by Clive Russel Cook and published by . This book was released on 2004 with total page 366 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Christian John Grund
Publisher :
ISBN 13 :
Total Pages : 212 pages
Book Rating : 4.:/5 (89 download)
Download or read book Measurement of Cirrus Cloud Optical Properties by High Spectral Resolution Lidar written by Christian John Grund and published by . This book was released on 1987 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Clive Russell Cooke
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (111 download)
Download or read book LIDAR and Airbourne Measurements of Cirrus Clouds written by Clive Russell Cooke and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ralph E. Kuehn
Publisher :
ISBN 13 :
Total Pages : 150 pages
Book Rating : 4.:/5 (89 download)
Download or read book A Technique to Measure Cirrus Cloud Effective Particle Size Using a High Spectral Resolution Lidar written by Ralph E. Kuehn and published by . This book was released on 2001 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Friederike Hemmer
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (19 download)
Download or read book Characterization of Cirrus Clouds from Ground-based Remote Sensing Using the Synergy of Lidar and Multi-spectral Infrared Radiometry written by Friederike Hemmer and published by . This book was released on 2018 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: There is a broad consensus that cirrus clouds strongly influence the climate of the Earth. However, their net radiative effect is still poorly quantified nowadays due to an insufficient knowledge of their microphysical properties. This thesis aims to improve our understanding of the complex microphysics of this cloud type mainly composed of irregularly shaped ice crystals and thereby improve estimates of the ice water content (IWC). For this purpose, we developed an algorithm to retrieve vertical profiles of the IWC of cirrus clouds. The methodology combines the measurements of a ground-based lidar and a thermal infrared (TIR) radiometer in a common optimal estimation framework. It follows three steps: (1) An algorithm to retrieve the vertically integrated amount of ice (ice water path, IWP) from the passive TIR measurements is established. (2) The information about the vertical distribution of the IWC inside the cloud is obtained from the active lidar measurements. These retrievals strongly depend on the backscatter-to-extinction ratio of the ice crystals which is obtained from a bulk ice microphysical model. The scattering phase function of this model used to define the backscatter-to-extinction ratio assumes a flat ending without backscattering peak. We show that this assumption is unrealistic since it results in the retrieval of IWC profiles which are inconsistent with the TIR measurements. (3) Consequently, both types of measurements are combined in a synergistic algorithm allowing to estimate together with the IWC profiles a correction factor for the phase function in backscattering direction. Finally, the retrieval results and associated hypotheses are discussed.
Author : Zhien Wang
Publisher :
ISBN 13 :
Total Pages : 12 pages
Book Rating : 4.:/5 (17 download)
Download or read book Cirrus Cloud Microphysical Property Retrieval Using Lidar and Radar Measurements written by Zhien Wang and published by . This book was released on 2002 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John R. Roadcap
Publisher :
ISBN 13 :
Total Pages : 92 pages
Book Rating : 4.:/5 (318 download)
Download or read book Analysis of Multiple Wavelength Lidar Backscatter from Cirrus written by John R. Roadcap and published by . This book was released on 2003 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lidar backscatter from cirrus cloud particles at multiple wavelengths (532 nm, 1064 nm, 10591 nm) was measured at Hanscom AFB, MA in August 2001. Range-resolved measurements were made for several hours daily at altitudes from 9 km to 16 km over a temperature range of -30C to -70C. Three days were selected for study -- 9 August, 14 August, and 16 August 2001. Cirrus backscatter measurements were analyzed in combination with scattering theory for ice spheres and long ice cylinders to better understand their behavior. For 532 nm and 1064 nm, the logarithm (base 10) of backscatter magnitudes (/m-sr) ranged from 4.5 to -6.0 within the cloud area while backscatter magnitudes for 10591 nm ranged from -6.5 to -8.5. Agreement existed between the range of measured backscatter wavelength ratio magnitudes and those computed from scattering theory but no consistent information was discerned concerning modal particle sizes. Calculations of cirrus ice water content, exinction-to- backscatter ratio, and optical depth yielded magnitudes consistent with published values for in-situ and remote measurements.
Author : Edwin Walter Eloranta
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (749 download)
Download or read book The Measurement of Cirrus Cloud Structure and Optical Properties with a High Spectral Resolution Lidar and a Volume Imaging Lidar written by Edwin Walter Eloranta and published by . This book was released on 1995 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : D. N. Whiteman
Publisher :
ISBN 13 :
Total Pages : 60 pages
Book Rating : 4.:/5 (126 download)
Download or read book Raman Lidar Measurements of Water Vapor and Cirrus Clouds During the Passage of Hurricane Bonnie written by D. N. Whiteman and published by . This book was released on with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Daniel H. DeSlover
Publisher :
ISBN 13 :
Total Pages : 14 pages
Book Rating : 4.:/5 (768 download)
Download or read book Determination of Cirrus Cloud Optical Properties Using Ground-based Atmospheric Emitted Radiance Interferometer and Raman Lidar Measurements written by Daniel H. DeSlover and published by . This book was released on 2004 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Measurement of Cirrus Cloud Structure and Optical Properties with a High Spectral Resolution Lidar and a Volume Imaging Lidar written by and published by . This book was released on 1900 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Edwin Walter Eloranta
Publisher :
ISBN 13 :
Total Pages : 60 pages
Book Rating : 4.:/5 (317 download)
Download or read book Measurement of Ice Water Content in Cirrus Clouds with the High Spectral Resolution Lidar written by Edwin Walter Eloranta and published by . This book was released on 2003 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Aeronautics and Space Administration (NASA)
Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781722338466
Total Pages : 38 pages
Book Rating : 4.3/5 (384 download)
Download or read book Lidar Cloud Studies for Fire and Eclips written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-07-05 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt: Optical remote sensing measurements of cirrus cloud properties were collected by one airborne and four ground-based lidar systems over a 32 h period during this case study from the First ISCCP (International Satellite Cloud Climatology Program) Regional Experiment (FIRE) Intensive Field Observation (IFO) program. The lidar systems were variously equipped to collect linear depolarization, intrinsically calibrated backscatter, and Doppler velocity information. Data presented describe the temporal evolution and spatial distribution of cirrus clouds over an area encompassing southern and central Wisconsin. The cirrus cloud types include: dissipating subvisual and thin fibrous cirrus cloud bands, an isolated mesoscale uncinus complex (MUC), a large-scale deep cloud that developed into an organized cirrus structure within the lidar array, and a series of intensifying mesoscale cirrus cloud masses. Although the cirrus frequently developed in the vertical from particle fall-streaks emanating from generating regions at or near cloud tops, glaciating supercooled (-30 to -35 C) altocumulus clouds contributed to the production of ice mass at the base of the deep cirrus cloud, apparently even through riming, and other mechanisms involving evaporation, wave motions, and radiative effects are indicated. The generating regions ranged in scale from approximately 1.0 km cirrus uncinus cells, to organized MUC structures up to approximately 120 km across. Sassen, Kenneth and Grund, Christian J. and Spinhirne, James D. and Hardesty, Michael and Alvarez, James Goddard Space Flight Center; Langley Research Center NAG1-868...
Author : Robert E. Holz
Publisher :
ISBN 13 :
Total Pages : 154 pages
Book Rating : 4.:/5 (89 download)
Download or read book Measurements of Cirrus Backscatter Phase Functions Using a High Spectral Resolution Lidar written by Robert E. Holz and published by . This book was released on 2002 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jacob Lawrence Kloos
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (136 download)
Download or read book Cloud Observations from the Mars Science Laboratory Mission written by Jacob Lawrence Kloos and published by . This book was released on 2016 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Using images from the Navigation Cameras onboard the Mars Science Laboratory (MSL) rover Curiosity, atmospheric movies were created to monitor the cloud activity above its landing site, Gale Crater. Over the course of two Martian years of operations (LS = 160 of MY 31 to LS = 160 of MY 33), over 500 cloud imaging sequences have been returned to Earth, revealing tenuous clouds that form predominantly in the autumn and winter seasons. This thesis examines the results of these cloud observations, including a detailed overview of the seasonality, opacity, spacing, and scattering properties of the clouds that appear in the observations. The cloud opacities were validated by testing the high cloud method by imaging high altitude cirrus clouds using a radiometrically calibrated camera and captur- ing simultaneous measurements wth the York University Lidar. In total, four coordinated experiments were conducted between September of 2015 and June of 2016.
