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Download or read book Atmospheric Pre-corrected Differential Absorption Techniques to Retrieve Columnar Water Vapor: Application to AVIRIS 91 written by and published by . This book was released on 1996 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 10 pages
Book Rating : 4.:/5 (683 download)
Download or read book Atmospheric Pre-corrected Differential Absorption Techniques to Retrieve Columnar Water Vapor written by and published by . This book was released on 1996 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: Water vapor is one of the main forces for weather development as well as for mesoscale air transport processes. The monitoring of water vapor is therefore an important aim in remote sensing of the atmosphere. Current operational systems for water vapor detection use primarily the emission in the thermal infrared (AVHRR, GOES, ATSR, Meteosat) or in the microwave radiation bands (DMSP). The disadvantage of current satellite systems is either a coarse spatial (horizontal) resolution ranging from one to tens of kilometers or a limited insight into the lower atmosphere. Imaging spectrometry on the other hand measures total column water vapor contents at a high spatial horizontal resolution and has therefore the potential of filling these gaps. The sensors of the AVIRIS instrument are capable of acquiring hyperspectral data in 224 bands located in the visible and near infrared at 10 run resolution. This data includes information on constituents of the earth's surface as well as of the atmosphere. The optical measurement of water vapor can be performed using sensor channels located in bands or lines of the absorption spectrum. The AVIRIS sensor has been used to retrieve water vapor and with less accuracy carbon dioxide, oxygen and ozone. To retrieve the water vapor amount, the so called differential absorption technique has been applied. The goal of this technique is to eliminate background factors by taking a ratio between channels within the absorption band and others besides the band. Various rationing methods on the basis of different channels and calculation techniques were developed. The influence of a trace gas of interest on the radiance at the sensor level is usually simulated by using radiative transfer codes. In this study, spectral transmittance and radiance are calculated by MODTRAN3 simulations with the new DISORT option. This work testS the best performing differential absorption techniques for imaging spectrometry of tropospheric water vapor.
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ISBN 13 :
Total Pages : 367 pages
Book Rating : 4.:/5 (277 download)
Download or read book Nouveau guide alphabetique des baux ruraux written by and published by . This book was released on 1959 with total page 367 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 252 pages
Book Rating : 4.:/5 (317 download)
Download or read book Summaries of the Sixth Annual JPL Airborne Earth Science Workshop written by and published by . This book was released on 1996 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 422 pages
Book Rating : 4.3/5 (91 download)
Download or read book Algorithms for Multispectral and Hyperspectral Imagery written by and published by . This book was released on 1996 with total page 422 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 304 pages
Book Rating : 4.F/5 ( download)
Download or read book Infrared Imaging Systems written by and published by . This book was released on 1998 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 9 pages
Book Rating : 4.:/5 (727 download)
Download or read book RECIPES FOR WRITING ALGORITHMS TO RETRIEVE COLUMNAR WATER VAPOR FOR 3-BAND MULTI-SPECTRAL DATA. written by and published by . This book was released on 2001 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt: Many papers have considered the theory of retrieving columnar water vapor using the continuum interpolated band ratio (CIBR) and a few the atmospherically pre-corrected differential absorption (APDA) methods. In this paper we aim at giving recipes to actually implement CIBR and APDA for the Multi-spectral Thermal Imager (MTI) with the hope that they can be easily adapted to other sensors such as MODIS, AVIRIS and HYDICE. The algorithms have the four following steps in common: (1) running a radiative transfer (RT) algorithm for a range of water vapor values and a particular observation geometry, (2) computation of sensor band-averaged radiances, (3) computation of a non-linear fit of channel ratios (CIBR or APDA) as a function of water vapor, (4) application of the inverse fit to retrieve columnar water vapor as a function of channel ratio.
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ISBN 13 :
Total Pages : 404 pages
Book Rating : 4.3/5 (91 download)
Download or read book Imaging Spectrometry written by and published by . This book was released on 2000 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ruiliang Pu
Publisher : CRC Press
ISBN 13 : 1498731600
Total Pages : 466 pages
Book Rating : 4.4/5 (987 download)
Download or read book Hyperspectral Remote Sensing written by Ruiliang Pu and published by CRC Press. This book was released on 2017-08-16 with total page 466 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advanced imaging spectral technology and hyperspectral analysis techniques for multiple applications are the key features of the book. This book will present in one volume complete solutions from concepts, fundamentals, and methods of acquisition of hyperspectral data to analyses and applications of the data in a very coherent manner. It will help readers to fully understand basic theories of HRS, how to utilize various field spectrometers and bioinstruments, the importance of radiometric correction and atmospheric correction, the use of analysis, tools and software, and determine what to do with HRS technology and data.
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ISBN 13 :
Total Pages : 1416 pages
Book Rating : 4.E/5 ( download)
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1996-10 with total page 1416 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 8 pages
Book Rating : 4.:/5 (721 download)
Download or read book Lov om Fabrikation og Forhandling af Margarine m. m written by and published by . This book was released on 1888 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book A COMPARISON OF FOUR METHODS FOR DETERMINING PRECIPITABLE WATER VAPOR CONTENT FROM MULTI-SPECTRAL DATA. written by and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Determining columnar water vapor is a fundamental problem in remote sensing. This measurement is important both for understanding atmospheric variability and also from removing atmospheric effects from remotely sensed data. Therefore discovering a reliable and if possible automated method for determining water vapor column abundance is important. There are two standard methods for determining precipitable water vapor during the daytime from multi-spectral data. The first method is the Continuum Interpolated Band Ratio (CIBR) (see for example King et al. 1996). This method assumes a baseline and measures the depth of a water vapor feature as compared to this baseline. The second method is the Atmospheric Pre-corrected Differential Absorption technique (APDA) (see Schlaepfer et al. 1998); this method accounts for the path radiance contribution to the top of atmosphere radiance measurement which is increasingly important at lower and lower reflectance values. We have also developed two methods of modifying CIBR. We use a simple curve fitting procedure to account for and remove any systematic errors due to low reflectance while still preserving the random spread of the CIBR values as a function of surface reflectance. We also have developed a two-dimensional look-up table for CIBR; CIBR using this technique is a function of both water vapor (as with all CIBR techniques) and surface reflectance. Here we use data recently acquired with the Multi-spectral Thermal Imager spacecraft (MTI) to compare these four methods of determining columnar water vapor content.
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Publisher : Institute of Electrical & Electronics Engineers(IEEE)
ISBN 13 :
Total Pages : 812 pages
Book Rating : 4.0/5 ( download)
Download or read book IGARSS 2003 written by and published by Institute of Electrical & Electronics Engineers(IEEE). This book was released on 2003 with total page 812 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 920 pages
Book Rating : 4.F/5 ( download)
Download or read book International Aerospace Abstracts written by and published by . This book was released on 1998 with total page 920 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Daniel Schläpfer
Publisher :
ISBN 13 :
Total Pages : 131 pages
Book Rating : 4.:/5 (247 download)
Download or read book Differential Absorption Methodology for Imaging Spectroscopy of Atmospheric Water Vapor written by Daniel Schläpfer and published by . This book was released on 1998 with total page 131 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Stéphane Jacquemoud
Publisher : Cambridge University Press
ISBN 13 : 1108481264
Total Pages : 571 pages
Book Rating : 4.1/5 (84 download)
Download or read book Leaf Optical Properties written by Stéphane Jacquemoud and published by Cambridge University Press. This book was released on 2019-09-05 with total page 571 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presents state-of-the-art research into leaf interactions with light, for scientists working in remote sensing, plant physiology, ecology and resource management.
Author : Shen-En Qian
Publisher : CRC Press
ISBN 13 : 0429561172
Total Pages : 865 pages
Book Rating : 4.4/5 (295 download)
Download or read book Hyperspectral Satellites and System Design written by Shen-En Qian and published by CRC Press. This book was released on 2020-04-22 with total page 865 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hyperspectral Satellites and System Design is the first book on this subject. It provides a systematic analysis and detailed design of the entire development process of hyperspectral satellites. Derived from the author’s 25-year firsthand experience as a technical lead of space missions at the Canadian Space Agency, the book offers engineers, scientists, and decision-makers detailed knowledge and guidelines on hyperspectral satellite system design, trade-offs, performance modeling and simulation, optimization from component to system level, subsystem design, and implementation strategies. This information will help reduce the risk, shorten the development period, and lower the cost of hyperspectral satellite missions. This book is a must-have reference for professionals in developing hyperspectral satellites and data applications. It is also an excellent introductory book for early practitioners and students who want to learn more about hyperspectral satellites and their applications.
