The fast developing remote sensing techniques play an increasingly important role in earthquake emergency response, disaster survey and loss estimation. As there is a lack of quantitative studies on seismic damage bas...The fast developing remote sensing techniques play an increasingly important role in earthquake emergency response, disaster survey and loss estimation. As there is a lack of quantitative studies on seismic damage based on remote sensing, its practicality in seismic disaster management has usually been questioned. The paper introduces the essential quantitative study idea, the concept of the remote sensing seismic damage index （D1RS） and analysis models, demonstrates the seismic damage indices （ D1G ） of buildings obtained from ground surveying and its quantitative relation to D1RS in Dujiangyan city, Sichuan Province, which was destroyed by the 2008 Wenchuan earthquake with Ms8.0. The primary results show that an obvious relationship exists between the D1RS of buildings obtained from the high resolution satellite or aerial remote sensing images and D1G or the building collapse ratio obtained through ground survey, which suggests that the quantitative study on seismic damage based on remote sensing will provide an effective method for seismic damage survey and loss estimation.展开更多
WALKING on the streets of Jingrong Town in Chengdu,capital of Sichuan Province,bustling groups of people gather around the blocks of businesses there.This dense entrepreneurial climate sharply contrasts with the scene...WALKING on the streets of Jingrong Town in Chengdu,capital of Sichuan Province,bustling groups of people gather around the blocks of businesses there.This dense entrepreneurial climate sharply contrasts with the scene one year ago.Ghost Town Revitalized More than 2,000 years ago,Li Bing,chief of Shu Prefecture（roughly modern-day Sichuan）,and his son built a water conservancy project in Dujiangyan,a small city in Sichuan Province.展开更多
基金sponsored by the tenth Five-year Plan of Special Social Commonweal Research Programs of the State (2006BAC13B03-01-01)
文摘The fast developing remote sensing techniques play an increasingly important role in earthquake emergency response, disaster survey and loss estimation. As there is a lack of quantitative studies on seismic damage based on remote sensing, its practicality in seismic disaster management has usually been questioned. The paper introduces the essential quantitative study idea, the concept of the remote sensing seismic damage index （D1RS） and analysis models, demonstrates the seismic damage indices （ D1G ） of buildings obtained from ground surveying and its quantitative relation to D1RS in Dujiangyan city, Sichuan Province, which was destroyed by the 2008 Wenchuan earthquake with Ms8.0. The primary results show that an obvious relationship exists between the D1RS of buildings obtained from the high resolution satellite or aerial remote sensing images and D1G or the building collapse ratio obtained through ground survey, which suggests that the quantitative study on seismic damage based on remote sensing will provide an effective method for seismic damage survey and loss estimation.
文摘WALKING on the streets of Jingrong Town in Chengdu,capital of Sichuan Province,bustling groups of people gather around the blocks of businesses there.This dense entrepreneurial climate sharply contrasts with the scene one year ago.Ghost Town Revitalized More than 2,000 years ago,Li Bing,chief of Shu Prefecture（roughly modern-day Sichuan）,and his son built a water conservancy project in Dujiangyan,a small city in Sichuan Province.
