Download or read book Atmospheric Correction of Multispectral Atmospheric Mapping Sensor MAMS Data and Estimation of Sediment Parameters in Atchafalaya Bay Louisiana written by Liam Edward Gumley and published by . This book was released on 1990 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Assessment Validation and Refinement of the Atmospheric Correction Algorithm for the Ocean Color Sensors written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-06-21 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: The primary focus of this proposed research is for the atmospheric correction algorithm evaluation and development and satellite sensor calibration and characterization. It is well known that the atmospheric correction, which removes more than 90% of sensor-measured signals contributed from atmosphere in the visible, is the key procedure in the ocean color remote sensing (Gordon and Wang, 1994). The accuracy and effectiveness of the atmospheric correction directly affect the remotely retrieved ocean bio-optical products. On the other hand, for ocean color remote sensing, in order to obtain the required accuracy in the derived water-leaving signals from satellite measurements, an on-orbit vicarious calibration of the whole system, i.e., sensor and algorithms, is necessary. In addition, it is important to address issues of (i) cross-calibration of two or more sensors and (ii) in-orbit vicarious calibration of the sensor-atmosphere system. The goal of these researches is to develop methods for meaningful comparison and possible merging of data products from multiple ocean color missions. In the past year, much efforts have been on (a) understanding and correcting the artifacts appeared in the SeaWiFS-derived ocean and atmospheric produces; (b) developing an efficient method in generating the SeaWiFS aerosol lookup tables, (c) evaluating the effects of calibration error in the near-infrared (NIR) band to the atmospheric correction of the ocean color remote sensors, (d) comparing the aerosol correction algorithm using the singlescattering epsilon (the current SeaWiFS algorithm) vs. the multiple-scattering epsilon method, and (e) continuing on activities for the International Ocean-Color Coordinating Group (IOCCG) atmospheric correction working group. In this report, I will briefly present and discuss these and some other research activities. Wang, Menghua Unspecified Center
Download or read book Enhancement of Atmospheric Liquid Water Estimation Using Space borne Remote Sensing Data written by Ruiyue Chen and published by . This book was released on 2009 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Atmospheric Correction Algorithm for Hyperspectral Remote Sensing of Ocean Color from Space written by and published by . This book was released on 2000 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt: Existing atmospheric correction algorithms for multichannel remote sensing of ocean color from space were designed for retrieving water-leaving radiances in the visible over clear deep ocean areas and cannot easily be modified for retrievals over turbid coastal waters. We have developed an atmospheric correction algorithm for hyperspectral remote sensing of ocean color with the near-future Coastal Ocean Imaging Spectrometer. The algorithm uses lookup tables generated with a vector radiative transfer code. Aerosol parameters are determined by a spectrum-matching technique that uses channels located at wavelengths longer than 0.86 mm. The aerosol information is extracted back to the visible based on aerosol models during the retrieval of water-leaving radiances. Quite reasonable water-leaving radiances have been obtained when our algorithm was applied to process hyperspectral imaging data acquired with an airborne imaging spectrometer.
Download or read book Atmospheric Compensation Over Case II Waters written by Donald Zoeger Taylor and published by . This book was released on 2010 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt: "In many algorithms designed to retrieve water constituent concentrations, an assumption of negligible water-leaving radiance is made in the near infrared (NIR) wavelengths (750-950 [nm]). This allows fairly accurate atmospheric correction to be applied to the oceanic imagery. Given this assumption, it is possible to derive model estimates of aerosol type and density and compensate for its effects in other regions of the spectrum. Unfortunately this assumption is only valid in areas of very low total suspended sediment (TSS) concentrations, such as open ocean waters. Increased TSS load causes significant back-scattering within the water, increasing the water leaving signal in the NIR region, which confounds the compensation algorithms and incorrectly attributes all the effects entirely to aerosols. A possible solution to this problem is to model suspended sediment inherent optical properties (IOPs) in the NIR using the Ocean Optical Phytoplankton Simulator (OOPS) and couple this data using atmospheric and hydrologic radiative transfer models (MODTRAN and HYDROLIGHT, respectively). These models can be combined for a given sensor geometry to predict sensor reaching radiance and match the resulting spectra with actual image spectra. This is done including the NIR which should allow us to better characterize the sediment load. Look-up tables (LUTs) of radiances from modeled atmospheres and reflectances from modeled water allow us to make this an iterative process which can be optimized to give us the best match for the pixel in question. The products of this algorithm are the water constituent concentrations and the atmospheric parameters. This process has been implemented for hyperspectral imagery captured over the Rochester, NY embayment with reasonable success in atmospheric and constituent retrieval."--Abstract.
Download or read book Proceedings Oceans From Space Venice 2010 written by and published by . This book was released on 2010 with total page 265 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Extended Abstracts of the poster presentations delivered at the 4th "Oceans from Space" Symposium - held in Venice, Italy, on 26-30 April 2010 - address every facet of space sciences and technologies applied to marine and maritime issues. Missions, satellites, sensors, passive and active techniques, calibration and validation schemes, algorithms and models are covered. Applications range from the study of physical dynamical processes to that of biological and ecological status, from local to global scales. The results already achieved, or soon to come, demonstrate the potential of oceanographic remote sensing to explore the dynamical and bio-geo-chemical features of the World's Oceans.
Download or read book Blue Carbon written by C. Nellemann and published by UNEP/Earthprint. This book was released on 2009 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report explores the potential for mitigating the impacts of climate change by improved management and protection of marine ecosystems and especially the vegetated coastal habitat, or blue carbon sinks. The objective of this report is to highlight the critical role of the oceans and ocean ecosystems in maintaining our climate and in assisting policy makers to mainstream an oceans agenda into national and international climate change initiatives. While emissions' reductions are currently at the centre of the climate change discussions, the critical role of the oceans and ocean ecosystems has been vastly overlooked.
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1991 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Hydraulic Research in the United States written by and published by . This book was released on 1954 with total page 210 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Earth Resources written by and published by . This book was released on 1975 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Satellite Remote Sensing for Conservation Action written by Allison K. Leidner and published by Cambridge University Press. This book was released on 2018-08-16 with total page 355 pages. Available in PDF, EPUB and Kindle. Book excerpt: Explains how satellite remote sensing informs and helps deliver successful conservation management through case studies, which highlight practitioner experience.
Download or read book ERDA Energy Research Abstracts written by United States. Energy Research and Development Administration and published by . This book was released on 1977 with total page 676 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Hyperspectral Remote Sensing of Tropical and Sub Tropical Forests written by Margaret Kalacska and published by CRC Press. This book was released on 2008-02-26 with total page 349 pages. Available in PDF, EPUB and Kindle. Book excerpt: While frequently used in temperate environments, hyperspectral sensors and data are still a novelty in the tropics. Exploring the potential of hyperspectral remote sensing for assessing ecosystem characteristics, Hyperspectral Remote Sensing of Tropical and Sub-Tropical Forests focuses on the complex and unique set of challenges involved in using t
Download or read book Selected Water Resources Abstracts written by and published by . This book was released on 1976 with total page 888 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Marine Community Ecology written by Mark D. Bertness and published by Sinauer Associates Incorporated. This book was released on 2001-01 with total page 550 pages. Available in PDF, EPUB and Kindle. Book excerpt: Marine Community Ecology was written to give advanced undergraduate and graduate students a current overview of what is known about the structure and organization of the assemblages of organisms that live on the sea floor. Each of the nineteen chapters is written by leading researchers to give students a look at our understanding of these communities, and what remains to be learned about them. The book is organized into three parts. The first eight chapters explore general processes that generate pattern in benthic communities. These introductory chapters examine how physical and biological forces interacting with historical and genetic constraints operate to structure marine communities. The middle part examines the ecology of specific marine benthic community types, ranging from rocky shores and soft substrate habitats to seagrass beds and coral reefs. These chapters are intended to be the most up-to-date summaries available of our understanding of these communities. The book closes with three chapters examining conservation and management issues of marine communities. These closing chapters emphasize how pervasively benthic marine communities are impacted by humans and outline how we can use our understanding of these systems to manage marine populations and communities and to design marine reserves. Marine Community Ecology is extensively referenced and includes a bibliography of over 5,000 citations. It is suitable as a text for advanced marine ecology courses and seminars, as well as a general reference for students and researchers.
Download or read book Hydraulic Research in the United States and Canada 1978 written by Pauline H. Gurewitz and published by . This book was released on 1980 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Salt Domes Gulf Region United States Mexico written by Michel Thomas Halbouty and published by Gulf Publishing. This book was released on 1979 with total page 592 pages. Available in PDF, EPUB and Kindle. Book excerpt:
