Sea Ice Displacement From Seasat Synthetic Aperture Radar PDF Download
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Author | : R. T. Hall |
Publisher | : |
Total Pages | : 17 |
Release | : 1981 |
Genre | : |
ISBN | : |
Download Sea Ice Displacement from SEASAT Synthetic Aperture Radar Book in PDF, ePub and Kindle
Images obtained by a synthetic aperture radar on SEASAT have been used to measure sea ice displacements over a three day interval in October 1978. The data points lie roughly along a line and are quite dense--about 2 km apart--over a distance of 863 km. The displacements are about twenty kilometers. Displacement errors grow with distance from shore becoming as large as 3 km. The graph of displacement versus distance has occasional discontinuities of several kilometers. Displacement discontinuities are accurate to + or - 0.07 km along track and 3% of their magnitude across track.
Author | : Lee-Leung Fu |
Publisher | : |
Total Pages | : 218 |
Release | : 1982 |
Genre | : Artificial satellites in earth sciences |
ISBN | : |
Download Seasat Views Oceans and Sea Ice with Synthetic-aperture Radar Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 84 |
Release | : 1981 |
Genre | : |
ISBN | : |
Download Sea Ice Movements from Synthetic Aperture Radar Book in PDF, ePub and Kindle
The spatial structure of the sea ice velocity field determines ridging, open water production and ice stress. The velocity has been measured roughly every 2 km along an 865 km track from SEASAT synthetic aperture radar. The movement shows individual pieces as large as 100 km. The spatial autocorrelation function of velocity has been estimated from these data and FGGE and AIDJEX buoy data, and has a length scale of roughly 1000 km. A model of the movement of a set of pieces shows the large uncertainty in opening and ridging estimated from velocities measured at only three points. (Author).
Author | : Norbert Untersteiner |
Publisher | : Springer |
Total Pages | : 1197 |
Release | : 2013-12-19 |
Genre | : Science |
ISBN | : 1489953523 |
Download The Geophysics of Sea Ice Book in PDF, ePub and Kindle
Based on the proceedings of the NATO Advanced Study Institute on Air-Sea-Ice Interaction held September 28-October 10, 1981 in Acquafredda di maratea, Italy. Intent is to present the topic of sea ice in the broad and interdisciplinary context of atmospheric and oceanographic science.
Author | : Coert Olmsted |
Publisher | : |
Total Pages | : 6 |
Release | : 1992 |
Genre | : |
ISBN | : |
Download Measuring Sea Ice Deformation with Imaging RADAR Satellites Book in PDF, ePub and Kindle
Sea ice pack motion can be detected by comparing pairs of geolocated remote sensing images separated in time by a few days. Pattern recognition algorithms have been applied to develop automatic systems for synthetic aperture radar (SAR) images such as SEASAT and ERS-1. These systems produce a vector field of pack ice displacements. To apply this velocity data to basic problems concerning the distribution of ice types and thicknesses, it is necessary to obtain an accurate measure of the deformation due to opening and closing of leads and to rafting and ridging of floes with each other and with thin new ice. Preliminary studies indicate that the ice motion is piecewise continuous with shear zones separating more rigid continuum elements made up of many floes. We postulate a turbulent regime for the velocity field which leads to the assumption of simple rotational motion for the continuum elements. Applying image analysis techniques to the displacement vectors enables classification and parameterization of the continuum elements and the characteristic discontinuities which border them. Computations based on this analysis can then quantify the deformation internal to the continuum elements and that due to the relative motion between them.
Author | : Simon Haykin |
Publisher | : John Wiley & Sons |
Total Pages | : 724 |
Release | : 1994-10-28 |
Genre | : Technology & Engineering |
ISBN | : 9780471554943 |
Download Remote Sensing of Sea Ice and Icebergs Book in PDF, ePub and Kindle
Describes the latest remote sensing technologies used to detect ice hazards in the marine environment; map surface currents, sea-state and surface winds; study ice dynamics, over ice transportation, oil spill countermeasures, climate changes and ice reconnaisance. Includes such technologies as acoustic sensing, ice-thickness measurement, passive microwave remote sensing, ground wave and surface-based radars.
Author | : Frank D. Carsey |
Publisher | : |
Total Pages | : 104 |
Release | : 1982 |
Genre | : Radar in glaciology |
ISBN | : |
Download Sea-ice Mission Requirements for the U.S. FIREX and Canada RADARSAT Programs Book in PDF, ePub and Kindle
Discusses bilateral U.S./Canadian synthetic aperture radar (SAR) programme, called Free-Flying Imaging Radar Experiment (FIREX) in U.S.A. and RADARSAT in Canada.
Author | : Mohammed Shokr |
Publisher | : John Wiley & Sons |
Total Pages | : 600 |
Release | : 2015-03-16 |
Genre | : Science |
ISBN | : 1119027888 |
Download Sea Ice Book in PDF, ePub and Kindle
Sea Ice: Physics and Remote Sensing addresses experiences acquired mainly in Canada by researchers in the fields of ice physics and growth history in relation to its polycrystalline structure as well as ice parameters retrieval from remote sensing observations. The volume describes processes operating at the macro- and microscale (e.g., brine entrapment in sea ice, crystallographic texture of ice types, brine drainage mechanisms, etc.). The information is supported by high-quality photographs of ice thin-sections prepared from cores of different ice types, all obtained by leading experts during field experiments in the 1970s through the 1990s, using photographic cameras and scanning microscopy. In addition, this volume presents techniques to retrieve a suite of sea ice parameters (e.g. ice type, concentration, extent, thickness, surface temperature, surface deformation, etc.) from space-borne and airborne sensor data. The breadth of the material on this subject is designed to appeal to researchers and users of remote sensing data who want to develop quick familiarity with the capabilities of this technology or detailed knowledge about major techniques for retrieval of key ice parameters. Volume highlights include: Detailed crystallographic classification of natural sea ice, the key information from which information about ice growth conditions can be inferred. Many examples are presented with material to support qualitative and quantitative interpretation of the data. Methods developed for revealing microstructural characteristics of sea ice and performing forensic investigations. Data sets on radiative properties and satellite observations of sea ice, its snow cover, and surrounding open water. Methods of retrieval of ice surface features and geophysical parameters from remote sensing observations with a focus on critical issues such as the suitability of different sensors for different tasks and data synergism. Sea Ice: Physics and Remote Sensing is intended for a variety of sea ice audiences interested in different aspects of ice related to physics, geophysics, remote sensing, operational monitoring, mechanics, and cryospheric sciences.
Author | : Mohammed Shokr |
Publisher | : John Wiley & Sons |
Total Pages | : 628 |
Release | : 2023-04-20 |
Genre | : Science |
ISBN | : 111982821X |
Download Sea Ice Book in PDF, ePub and Kindle
SEA ICE The latest edition of the gold standard in sea ice references In the newly revised second edition of Sea Ice: Physics and Remote Sensing, a team of distinguished researchers delivers an in-depth review of the features and structural properties of ice, as well as the latest advances in geophysical sensors, ice parameter retrieval techniques, and remote sensing data. The book has been updated to reflect the latest scientific developments in macro- and micro-scale sea ice research. For this edition, the authors have included high-quality photographs of thin sections from cores of various ice types, as well as a comprehensive account of all major field expeditions that have systematically surveyed sea ice and its properties. Readers will also find: A thorough introduction to ice physics and physical processes, including ice morphology and age-based structural features Practical discussions of radiometric and radar-scattering observations from sea ice, including radar backscatter and microwave emission The latest techniques for the retrieval of sea ice parameters from space-borne and airborne sensor data New chapters on sea ice thermal microwave emissions and on the impact of climate change on polar sea ice Perfect for academic researchers working on sea ice, the cryosphere, and climatology, Sea Ice: Physics and Remote Sensing will also benefit meteorologists, marine operators, and high-latitude construction engineers.
Author | : |
Publisher | : |
Total Pages | : 92 |
Release | : 1982 |
Genre | : Marine meteorology |
ISBN | : |
Download Seasat Data Utilization Project Report Book in PDF, ePub and Kindle