Remote Sensing Of Aerosols Using Sunphotometer
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Remote Sensing Of Aerosols Using Sunphotometer
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Author : Raghavendra Kumar Kanike
language : en
Publisher: LAP Lambert Academic Publishing
Release Date : 2015-05-04
Remote Sensing Of Aerosols Using Sunphotometer written by Raghavendra Kumar Kanike and has been published by LAP Lambert Academic Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-05-04 with categories.
In this book, we have described the optical and physical properties of aerosol which are considered to be an important in the Earth's radiation budget. The method of detection of various aerosol properties using ground-based automated Sun-sky radiometer is mentioned, by illustrating the measurements taken over one of a station, as part of Sun photometer worldwide network, named AERONET (AErosol RObotic NETwork). Besides, the basic details of Sun photometer, we have also illustrated the importance of synoptic weather parameters and use of trajectory analysis. Aerosol measurements from Sun photometer and satellite are compared and assessed the instruments capabilities. Using a large amount of data measured over a sub-tropical site in South Africa, we have studied the various optical properties of aerosol and their mutual relationship for addressing aerosol types. Classification and identification of different types of aerosol are elucidated by various methods. Apart from the results obtained, the study location has been considered to be significant due to only very few studies reported on aerosol properties, especially in the Southern Hemisphere and in Southern Africa region.
Aerosol Remote Sensing
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Author : Jacqueline Lenoble
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-02-11
Aerosol Remote Sensing written by Jacqueline Lenoble 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 2013-02-11 with Technology & Engineering categories.
This book gives a much needed explanation of the basic physical principles of radiative transfer and remote sensing, and presents all the instruments and retrieval algorithms in a homogenous manner. The editors provide, for the first time, an easy path from theory to practical algorithms in one easily accessible volume, making the connection between theoretical radiative transfer and individual practical solutions to retrieve aerosol information from remote sensing, and providing the specifics and intercomparison of all current and historical retrieval methods.
Satellite Aerosol Remote Sensing Over Land
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Author : Alexander A. Kokhanovsky
language : en
Publisher: Springer Science & Business Media
Release Date : 2009-08-24
Satellite Aerosol Remote Sensing Over Land written by Alexander A. Kokhanovsky 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 2009-08-24 with Science categories.
Aerosols have a significant influence on the Earth's radiation budget, but there is considerable uncertainty about the magnitude of their effect on the Earth's climate. Currently, satellite remote sensing is being increasingly utilized to improve our understanding of the effect of atmospheric aerosols on the climate system. Satellite Aerosol Remote Sensing Over Land is the only book that brings together in one volume the most up-to-date research and advances in this discipline. As well as describing the current academic theory, the book presents practical applications, utilizing state-of-the-art instrumentation, invaluable to the work of environmental scientists. With contributions by an international group of experts and leaders of correspondent aerosol retrieval groups, the book is an essential tool for all those working in the field of climate change.
Aerosol Remote Sensing In Polar Regions
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Author :
language : en
Publisher:
Release Date : 2015
Aerosol Remote Sensing In Polar Regions written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with categories.
Multi-year sets of ground-based sun-photometer measurements conducted at 12 Arctic sites and 9 Antarctic sites were examined to determine daily mean values of aerosol optical thickness [tau]([lambda]) at visible and near-infrared wavelengths, from which best-fit values of Ångström's exponent [alpha] were calculated. Analysing these data, the monthly mean values of [tau](0.50 [mu]m) and [alpha] and the relative frequency histograms of the daily mean values of both parameters were determined for winter-spring and summer-autumn in the Arctic and for austral summer in Antarctica. The Arctic and Antarctic covariance plots of the seasonal median values of [alpha] versus [tau](0.50 [mu]m) showed: (i) a considerable increase in [tau](0.50 [mu]m) for the Arctic aerosol from summer to winter-spring, without marked changes in [alpha]; and (ii) a marked increase in [tau](0.50 [mu]m) passing from the Antarctic Plateau to coastal sites, whereas [alpha] decreased considerably due to the larger fraction of sea-salt aerosol. Good agreement was found when comparing ground-based sun-photometer measurements of [tau]([lambda]) and [alpha] at Arctic and Antarctic coastal sites with Microtops measurements conducted during numerous AERONET/MAN cruises from 2006 to 2013 in three Arctic Ocean sectors and in coastal and off-shore regions of the Southern Atlantic, Pacific, and Indian Oceans, and the Antarctic Peninsula. Lidar measurements were also examined to characterise vertical profiles of the aerosol backscattering coefficient measured throughout the year at Ny-Ålesund. Satellite-based MODIS, MISR, and AATSR retrievals of [tau]([lambda]) over large parts of the oceanic polar regions during spring and summer were in close agreement with ship-borne and coastal ground-based sun-photometer measurements. An overview of the chemical composition of mode particles is also presented, based on in-situ measurements at Arctic and Antarctic sites. Fourteen log-normal aerosol number size-distributions were defined to represent the average features of nuclei, accumulation and coarse mode particles for Arctic haze, summer background aerosol, Asian dust and boreal forest fire smoke, and for various background austral summer aerosol types at coastal and high-altitude Antarctic sites. The main columnar aerosol optical characteristics were determined for all 14 particle modes, based on in-situ measurements of the scattering and absorption coefficients. Diurnally averaged direct aerosol-induced radiative forcing and efficiency were calculated for a set of multimodal aerosol extinction models, using various Bidirectional Reflectance Distribution Function models over vegetation-covered, oceanic and snow-covered surfaces. These gave a reliable measure of the pronounced effects of aerosols on the radiation balance of the surface-atmosphere system over polar regions.
Novel Hyperspectral Sun Photometer For Satellite Remote Sensing Data Radiometeic Calibration And Atmospheric Aerosol Studies
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Author : National Aeronautics and Space Administration (NASA)
language : en
Publisher: Createspace Independent Publishing Platform
Release Date : 2018-06-03
Novel Hyperspectral Sun Photometer For Satellite Remote Sensing Data Radiometeic Calibration And Atmospheric Aerosol Studies written by National Aeronautics and Space Administration (NASA) and has been published by Createspace Independent Publishing Platform this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-06-03 with categories.
A simple and cost-effective, hyperspectral sun photometer for radiometric vicarious remote sensing system calibration, air quality monitoring, and potentially in-situ planetary climatological studies, was developed. The device was constructed solely from off the shelf components and was designed to be easily deployable for support of short-term verification and validation data collects. This sun photometer not only provides the same data products as existing multi-band sun photometers but also the potential of hyperspectral optical depth and diffuse-to-global products. As compared to traditional sun photometers, this device requires a simpler setup, less data acquisition time and allows for a more direct calibration approach. Fielding this instrument has also enabled Stennis Space Center (SSC) Applied Sciences Directorate personnel to cross-calibrate existing sun photometers. This innovative research will position SSC personnel to perform air quality assessments in support of the NASA Applied Sciences Program's National Applications program element as well as to develop techniques to evaluate aerosols in a Martian or other planetary atmosphere.Pagnutti, Mary and Ryan, Robert E. and Holekamp, Kara and Harrington, Gary and Frisbie, TroyStennis Space CenterAEROSOLS; CLIMATOLOGY; PHOTOMETERS; RADIOMETERS; REMOTE SENSING; SATELLITE IMAGERY; SUN; AIR QUALITY; COST EFFECTIVENESS; COMMERCIAL OFF-THE-SHELF PRODUCTS; CALIBRATING; DATA ACQUISITION; MARS (PLANET); OPTICAL THICKNESS; PLANETARY ATMOSPHERES
Novel Hyperspectral Sun Photometer For Satellite Remote Sensing Data Radiometric Calibration And Atmospheric Aerosol Studies
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Author : National Aeronautics and Space Administration (NASA)
language : en
Publisher: Createspace Independent Publishing Platform
Release Date : 2018-06-03
Novel Hyperspectral Sun Photometer For Satellite Remote Sensing Data Radiometric Calibration And Atmospheric Aerosol Studies written by National Aeronautics and Space Administration (NASA) and has been published by Createspace Independent Publishing Platform this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-06-03 with categories.
A simple and cost-effective, hyperspectral sun photometer for radiometric vicarious remote sensing system calibration, air quality monitoring, and potentially in-situ planetary climatological studies, was developed. The device was constructed solely from off the shelf components and was designed to be easily deployable for support of short-term verification and validation data collects. This sun photometer not only provides the same data products as existing multi-band sun photometers, this device requires a simpler setup, less data acquisition time and allows for a more direct calibration approach. Fielding this instrument has also enabled Stennis Space Center (SSC) Applied Sciences Directorate personnel to cross calibrate existing sun photometers. This innovative research will position SSC personnel to perform air quality assessments in support of the NASA Applied Sciences Program's National Applications program element as well as to develop techniques to evaluate aerosols in a Martian or other planetary atmosphere.Pagnutti, Mary and Ryan, Robert E. and Holekamp, Kara and Harrington, Gary and Frisbie, TroyStennis Space CenterCALIBRATING; PHOTOMETERS; REMOTE SENSING; SUN; SOLAR ACTIVITY; COMMERCIAL OFF-THE-SHELF PRODUCTS; RADIOMETERS; SATELLITE IMAGERY; AIR QUALITY; POLLUTION MONITORING
Remote Sensing Of Aerosols Clouds And Precipitation
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Author : Tanvir Islam
language : en
Publisher: Elsevier
Release Date : 2017-10-31
Remote Sensing Of Aerosols Clouds And Precipitation written by Tanvir Islam and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-10-31 with Science categories.
Remote Sensing of Aerosols, Clouds, and Precipitation compiles recent advances in aerosol, cloud, and precipitation remote sensing from new satellite observations. The book examines a wide range of measurements from microwave (both active and passive), visible, and infrared portions of the spectrum. Contributors are experts conducting state-of-the-art research in atmospheric remote sensing using space, airborne, and ground-based datasets, focusing on supporting earth observation satellite missions for aerosol, cloud, and precipitation studies. A handy reference for scientists working in remote sensing, earth science, electromagnetics, climate physics, and space engineering. Valuable for operational forecasters, meteorologists, geospatial experts, modelers, and policymakers alike. Presents new approaches in the field, along with further research opportunities, based on the latest satellite data Focuses on how remote sensing systems can be designed/developed to solve outstanding problems in earth and atmospheric sciences Edited by a dynamic team of editors with a mixture of highly skilled and qualified authors offering world-leading expertise in the field
Aerosol Optics
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Author : Alexander A. Kokhanovsky
language : en
Publisher: Springer Science & Business Media
Release Date : 2008-03-18
Aerosol Optics written by Alexander A. Kokhanovsky 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 2008-03-18 with Science categories.
This new text offers experienced students a comprehensive review of available techniques for the remote sensing of aerosols. These small particles influence both atmospheric visibility and the thermodynamics of the atmosphere. They are also of great importance in any consideration of climate change problems. Aerosols may also be responsible for the loss of harvests, human health problems and ecological disasters. Thus, this detailed study of aerosol properties on a global scale could not be more timely.
Boreas Rss 12 Airborne Tracking Sunphotometer Measurements
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Author : National Aeronautics and Space Administration (NASA)
language : en
Publisher: Createspace Independent Publishing Platform
Release Date : 2018-05-29
Boreas Rss 12 Airborne Tracking Sunphotometer Measurements written by National Aeronautics and Space Administration (NASA) and has been published by Createspace Independent Publishing Platform this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-05-29 with categories.
The BOREAS RSS-12 team collected both ground and airborne sunphotometer measurements for use in characterizing the aerosol optical properties of the atmosphere during the BOREAS data collection activities. These measurements are to be used to: 1) measure the magnitude and variability of the aerosol optical depth in both time and space; 2) determine the optical properties of the boreal aerosols; and 3) atmospherically correct remotely sensed data acquired during BOREAS. This data set contains airborne tracking sunphotometer data that were acquired from the C-130 aircraft during its flights over the BOREAS study areas. The data cover selected days and times from May to September 1994. The data are stored in tabular ASCII files. The data files are available on a CD-ROM (see document number 20010000884), or from the Oak Ridge National Laboratory (ORNL) Distributed Active Archive Center (DAAC).Hall, Forrest G. (Editor) and Nickeson, Jaime (Editor) and Lobitz, Brad and Spanner, Michael and Wrigley, RobertAmes Research Center; Goddard Space Flight CenterEARTH OBSERVATIONS (FROM SPACE); REMOTE SENSING; DATA ACQUISITION; AEROSOLS; OPTICAL PROPERTIES; PHOTOMETERS; ECOSYSTEMS; TRACKING (POSITION); TABLES (DATA); EARTH RESOURCES; OPTICAL THICKNESS; DEPTH MEASUREMENT; AIRBORNE EQUIPMENT; SOLAR POSITION
Remote Sensing Of Aerosol And Chemical Gases Model Simulation Assimilation And Applications To Air Quality
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Author : James Szykman
language : en
Publisher: SPIE-International Society for Optical Engineering
Release Date : 2006
Remote Sensing Of Aerosol And Chemical Gases Model Simulation Assimilation And Applications To Air Quality written by James Szykman and has been published by SPIE-International Society for Optical Engineering this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Science categories.
Proceedings of SPIE present the original research papers presented at SPIE conferences and other high-quality conferences in the broad-ranging fields of optics and photonics. These books provide prompt access to the latest innovations in research and technology in their respective fields. Proceedings of SPIE are among the most cited references in patent literature.