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Synthetic aperture radar and natural...
~
Czuchlewski, Kristina Rodriguez.
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Synthetic aperture radar and natural disasters: Hazard mapping using full polarimetry.
Record Type:
Electronic resources : Monograph/item
Title/Author:
Synthetic aperture radar and natural disasters: Hazard mapping using full polarimetry./
Author:
Czuchlewski, Kristina Rodriguez.
Description:
93 p.
Notes:
Source: Dissertation Abstracts International, Volume: 65-10, Section: B, page: 5042.
Contained By:
Dissertation Abstracts International65-10B.
Subject:
Geophysics. -
Online resource:
http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3151297
ISBN:
0496112511
Synthetic aperture radar and natural disasters: Hazard mapping using full polarimetry.
Czuchlewski, Kristina Rodriguez.
Synthetic aperture radar and natural disasters: Hazard mapping using full polarimetry.
- 93 p.
Source: Dissertation Abstracts International, Volume: 65-10, Section: B, page: 5042.
Thesis (Ph.D.)--Columbia University, 2005.
This thesis focuses on developing algorithms for radar-based natural disaster response. We demonstrate that fully-polarimetric Synthetic Aperture Radar (SAR) can be used to assess natural disasters involving terrain resurfacing such as landslides, volcanic eruptions and fires. These hazards often temporarily remove a natural vegetation cover and, in doing so, modify the physical properties of the land surface. This land-cover disturbance causes a detectable change in dominant microwave scattering mechanism for the areas affected. SAR has operational advantages over optical sensors for rapid disaster assessment because of its day/night acquisition capability; its ability to "see through" smoke, clouds and dust; and its side-looking viewing geometry, which is an advantage whenever data collection directly above the site would prove dangerous. To assess the usefulness of fully-polarimetric SAR, we apply a uniform approach to map (1) landslides resulting from the 1999 Mw 7.6 Chi-Chi earthquake in Taiwan, (2) volcanic flows from the major 1996 eruption of Manam Volcano in Papua New Guinea, and (3) the extent of damage from the summer 2002 Rodeo-Chediski wildfire in Arizona, USA. We then reexamine the data from Manam Island and Taiwan to determine the effects of a polarization preserving speckle reduction filter. Our results demonstrate the potential utility of fully polarimetric SAR for hazard mapping and disaster response.
ISBN: 0496112511Subjects--Topical Terms:
535228
Geophysics.
Synthetic aperture radar and natural disasters: Hazard mapping using full polarimetry.
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Synthetic aperture radar and natural disasters: Hazard mapping using full polarimetry.
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Source: Dissertation Abstracts International, Volume: 65-10, Section: B, page: 5042.
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Adviser: William H. Menke.
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Thesis (Ph.D.)--Columbia University, 2005.
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This thesis focuses on developing algorithms for radar-based natural disaster response. We demonstrate that fully-polarimetric Synthetic Aperture Radar (SAR) can be used to assess natural disasters involving terrain resurfacing such as landslides, volcanic eruptions and fires. These hazards often temporarily remove a natural vegetation cover and, in doing so, modify the physical properties of the land surface. This land-cover disturbance causes a detectable change in dominant microwave scattering mechanism for the areas affected. SAR has operational advantages over optical sensors for rapid disaster assessment because of its day/night acquisition capability; its ability to "see through" smoke, clouds and dust; and its side-looking viewing geometry, which is an advantage whenever data collection directly above the site would prove dangerous. To assess the usefulness of fully-polarimetric SAR, we apply a uniform approach to map (1) landslides resulting from the 1999 Mw 7.6 Chi-Chi earthquake in Taiwan, (2) volcanic flows from the major 1996 eruption of Manam Volcano in Papua New Guinea, and (3) the extent of damage from the summer 2002 Rodeo-Chediski wildfire in Arizona, USA. We then reexamine the data from Manam Island and Taiwan to determine the effects of a polarization preserving speckle reduction filter. Our results demonstrate the potential utility of fully polarimetric SAR for hazard mapping and disaster response.
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http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3151297
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