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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.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Synthetic aperture radar and natural disasters: Hazard mapping using full polarimetry./
作者:	Czuchlewski, Kristina Rodriguez.
面頁冊數:	93 p.
附註:	Source: Dissertation Abstracts International, Volume: 65-10, Section: B, page: 5042.
Contained By:	Dissertation Abstracts International65-10B.
標題:	Geophysics. -
電子資源:	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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500 $a Source: Dissertation Abstracts International, Volume: 65-10, Section: B, page: 5042.
500 $a Adviser: William H. Menke.
502 $a Thesis (Ph.D.)--Columbia University, 2005.
520 $a 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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