Fiducial Reference Measurements For Satellite Ocean Colour PDF Download
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| Author | : Andrew Clive Banks |
| Publisher | : |
| Total Pages | : 508 |
| Release | : 2020-10-08 |
| Genre | : |
| ISBN | : 9783039430642 |
Download Fiducial Reference Measurements for Satellite Ocean Colour Book in PDF, ePub and Kindle
Ocean color measured by satellite-mounted optical sensors is an essential climate variable that is routinely used as a central element for assessing the health and productivity of marine ecosystems and the role of oceans in the global carbon cycle. For satellite ocean color to be reliable and used in these and other important environmental applications, the data must be trustworthy and high quality. Pre-flight and on-board calibration of satellite ocean color sensors is conducted; however, once in orbit, the data quality can only be fully assessed via independent calibration and validation activities using surface measurements. These measurements therefore need to be at least as high quality as the satellite data, which necessitates SI traceability and a full uncertainty budget. This is the basis for fiducial reference measurements (FRMs) and the FRM4SOC project, which was an European Space Agency (ESA) initiative to establish and maintain SI-traceable ground-based FRM for satellite ocean color, thus providing a fundamental contribution to the European system for monitoring the Earth (Copernicus). This Special Issue of MDPI Remote Sensing is designed to showcase this essential Earth observation work through the publication of the project's main achievements and results accompanied by other select relevant articles.
| Author | : Stelios P. Mertikas |
| Publisher | : Springer |
| Total Pages | : 114 |
| Release | : 2021-02-28 |
| Genre | : Science |
| ISBN | : 9783030394400 |
Download Fiducial Reference Measurements for Altimetry Book in PDF, ePub and Kindle
These proceedings include selected papers from the International Review Workshop on Satellite Altimetry Cal/Val Activities and Applications, held in Chania, Crete, Greece, on 23-26 April 2018. Organised in the context of the European Space Agency Project “Fiducial Reference Measurements for Altimetry” the workshop was cosponsored by the International Association of Geodesy (in particular by the IAG Commission 2, Gravity Field), the European Space Agency, the European Union (the Copernicus Programme), the European Organisation for the Exploitation of Meteorological Satellites (EUMETSAT), Space Geomatica P.C., and the Municipality of Chania. The workshop presented the latest research in the field of satellite altimetry calibration and altimetry applications for monitoring ocean changes and improving Earth observation in an objective, continuous, homogeneous and reliable manner, free of errors and biases. Further, it supported long-term monitoring of climate change by providing a better understanding of environmental changes in the world's oceans, terrestrial surface waters, and Arctic and Antarctic Regions. The outcome was the creation of a scientific roadmap with procedures, protocols, guidelines, and best practices to help international groups working on satellite altimetry to establish SI (Système International d'Unités) traceability of their measurements, results and data products.
| Author | : |
| Publisher | : |
| Total Pages | : 182 |
| Release | : 2002 |
| Genre | : Ocean color |
| ISBN | : |
Download Ocean Optics Protocols for Satellite Ocean Color Sensor Validation, Revision 3 Book in PDF, ePub and Kindle
| Author | : |
| Publisher | : |
| Total Pages | : 104 |
| Release | : 2003 |
| Genre | : Oceanography |
| ISBN | : |
Download Ocean Optics Protocols for Satellite Ocean Color Sensor Validation, Revision 4 Book in PDF, ePub and Kindle
| Author | : |
| Publisher | : Academic Press |
| Total Pages | : 723 |
| Release | : 2014-11-13 |
| Genre | : Science |
| ISBN | : 0124169945 |
Download Optical Radiometry for Ocean Climate Measurements Book in PDF, ePub and Kindle
This book presents the state-of-the-art of optical remote sensing applied for the generation of marine climate-quality data products, with contributions by international experts in the field. The chapters are logically grouped into six thematic parts, each introduced by a brief overview. The different parts include: i. requirements for the generation of climate data records from satellite ocean measurements and additionally basic radiometry principles addressing terminology, standards, measurement equation and uncertainties; ii. satellite visible and thermal infrared radiometry embracing instrument design, characterization and, pre- and post-launch calibration; iii. in situ visible and thermal infrared radiometry including overviews on basic principles, technology and measurements methods required to support satellite missions devoted to climate change investigations; iv. simulations as fundamental tools to support interpretation and analysis of both in situ and satellite radiometric measurements; v. strategies for in situ radiometry to satisfy mission requirements for the generation of climate data records; and finally, vi. methods for the assessment of satellite data products. Fundamentals of measurement theory are taken through to implementation of practical ground based radiometers and their application to validate satellite data used to generate climate data records. This book presents practical solutions for those involved or contemplating the validation of optical climate measurements from satellite instruments. Exhaustive coverage of important topics Fundamental and advanced discussions of many types of instruments Emphasis on calibration and uncertainty analysis of results
| Author | : |
| Publisher | : Elsevier |
| Total Pages | : 586 |
| Release | : 2005-10-26 |
| Genre | : Science |
| ISBN | : 9780080454924 |
Download Optical Radiometry Book in PDF, ePub and Kindle
This book deals with the practice of Optical Radiation Measurements with introductory material to introduce the topics discussed. It will be most useful for students, scientists and engineers working in any academic, industrial or governmental projects related to optical radiation. The book contains chapters that treat in detail the procedures and techniques for the characterization of both sources and detectors to the highest degree of accuracy and reliability. It has a chapter devoted specifically to optical measurements of laser sources and fiberoptics for communication and a chapter devoted to uncertainty in measurement and its treatment with real examples of optical measurements. The book contains introductory materials that will allow a newcomer to radiometry to develop the expertise to perform exacting and accurate measurement. The authors stress the various causes of uncertainty in each phase of a measurement and thus allow for users to arrive at a correct assessment of their uncertainty of measurement in their particular circumstance. · Authors are from the Standards laboratories of AUSTRALIA, CANADA, ENGLAND, GERMANY and the USA. · Latest techniques and practice of laboratory measurements to achieve the highest accuracy in the use of sources or detectors. · Unique illustrations of the apparatus and measurement techniques. · Practical measurement examples of calibration with full uncertainty analysis. · Comprehensive treatment of optical standards such as sources, detectors and radiometers. · A complete chapter on laser power measurements and standards for fiber optic measurements · A complete chapter on correlations in radiometry and practical examples. · A chapter devoted to diffraction effects in radiometry
| Author | : |
| Publisher | : |
| Total Pages | : 152 |
| Release | : 2003 |
| Genre | : Oceanography |
| ISBN | : |
Download Ocean Optics Protocols for Satellite Ocean Color Sensor Validation, Revision 4 Book in PDF, ePub and Kindle
| Author | : |
| Publisher | : |
| Total Pages | : |
| Release | : 2020 |
| Genre | : |
| ISBN | : 9789276234739 |
Download Ocean Color Calibration and Validation Book in PDF, ePub and Kindle
Copernicus Sentinel-3 missions, including the ongoing Sentinel-3A and -3B and the future Sentinel-3C and -3D, offer an unprecedented opportunity for long-term ocean colour observations to support global environmental and climate investigations. Nevertheless, any ocean colour mission incorporates calibration and validation activities essential for the indirect calibration of the space sensor and the validation of data products. These calibration and validation activities are largely centered on the production of highly accurate in situ reference measurements relying on state of the art measurement methods and instrumentation. Since the start of the operational ocean colour missions in 1997, the JRC sustained the required calibration and validation activities by developing unique expertise and setting up specific measurement programs and infrastructures. This expertise, measurement programs and infrastructures, currently support the Copernicus ocean colour calibration and validation tasks through the delivery and exploitation of in situ reference data essential for the quality control of satellite data products. This Technical Report aims at providing: i. a general introduction to the ocean colour paradigm; ii. an extended synopsis of requirements and strategies for satellite ocean colour missions with a detailed focus on the JRC experimental activities carried out during the last decades; and finally iii. a discussion supporting the need for a sustained support of the JRC laboratory and field measurement programs assisting the production and exploitation of in situ reference data for the validation of Sentinel-3 ocean colour products. The Report, mostly through section 2, should naturally satisfy readers interested in appraising the specific JRC activities performed to support ocean colour calibration and validation. The same Report through sections 1 and 3, should also satisfy the need for more essential information supporting the need for sustaining the JRC ocean colour validation activities currently embedded in the Copernicus Earth Observation program of major relevance for global marine and climate investigations.
| Author | : National Research Council |
| Publisher | : National Academies Press |
| Total Pages | : 114 |
| Release | : 2011-12-15 |
| Genre | : Science |
| ISBN | : 0309210445 |
Download Assessing the Requirements for Sustained Ocean Color Research and Operations Book in PDF, ePub and Kindle
The ocean is a fundamental component of the earth's biosphere. It covers roughly 70 percent of Earth's surface and plays a pivotal role in the cycling of life's building blocks, such as nitrogen, carbon, oxygen, and sulfur. The ocean also contributes to regulating the climate system. Most of the primary producers in the ocean comprise of microscopic plants and some bacteria; and these photosynthetic organisms (phytoplankton) form the base of the ocean's food web. Monitoring the health of the ocean and its productivity is critical to understanding and managing the ocean's essential functions and living resources. Because the ocean is so vast and difficult for humans to explore, satellite remote sensing of ocean color is currently the only way to observe and monitor the biological state of the surface ocean globally on time scales of days to decades. Ocean color measurements reveal a wealth of ecologically important characteristics including: chlorophyll concentration, the rate of phytoplankton photosynthesis, sediment transport, dispersion of pollutants, and responses of oceanic biota to long-term climate changes. Continuity of satellite ocean color data and associated climate research products are presently at significant risk for the U.S. ocean color community. Assessing Requirements for Sustained Ocean Color Research and Operations aims to identify the ocean color data needs for a broad range of end users, develop a consensus for the minimum requirements, and outline options to meet these needs on a sustained basis. The report assesses lessons learned in global ocean color remote sensing from the SeaWiFS/MODIS era to guide planning for acquisition of future global ocean color radiance data to support U.S. research and operational needs.
| Author | : Ian S. Robinson |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 752 |
| Release | : 2004-06-30 |
| Genre | : Science |
| ISBN | : 9783540426479 |
Download Measuring the Oceans from Space Book in PDF, ePub and Kindle
This book covers the fundamental principles of measuring oceans from space, and also contains state-of-the-art developments in data analysis and interpretation and in sensors. Completely new will be material covering advances in oceanography that have grown out of remote sensing, including some of the global applications of the data. The variety of applications of remotely sensed data to ocean science has grown significantly and new areas of science are emerging to exploit the gobal datasets being recovered by satellites, particularly in relation to climate and climate change, basin-scale, air-sea interaction processes (e.g. El Nino) and the modelling, forecasting and prediction of the ocean.
