week08_103428079_林佳章

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InSAR Measurements of Terrain Stabilit in Canada’s North

Scientists at the Canada Centre for Remote Sensing have been working for three years

to advance the processing of satellite radar data to measure the stability of terrain in

Canada’s permafrost zones. 

 

加拿大遙測中心的科學家已經花了三年的時間使用雷達測量加拿大永凍層 的地質穩定性

 

It is their hope that satellite InSAR can reliably measure the seasonal and year-to-year displacements of the ground with the aim of assisting geologists, engineers, biologists and local communities to further understand the

seasonal and long term stability of land in the North.

他們希望藉由InSAR的技術可以可靠的測量地表季節性位移以協助地質學家 工程師 生物學家
和當地團體了解北方土地季節性和長期穩定性。

Ground movement over Herschel Island, Yukon, measured over a one year period

by RADARSAT-2 InSAR. 

 

 使用RADARSAT-2 InSAR.  觀測一年的Herschel Island, Yukon地區的高程變化

 

The highly unstable north-east coast, where coastal erosion is weakening the permafrost, is clearly delineated, as well as other areas of instability on the island, some of which were not previously known.

高度不穩定的東北沿海地區, 海岸正在侵蝕凍土可以明確地被界定出來,以及島上其他不穩定的區域,其中有一些是以前未知的


http://www.nrcan.gc.ca/sites/www.nrcan.gc.ca/files/earthsciences/files/pdf/insar_north-eng.pdf