Ground Subsidence

 In Applications


Whether caused by thermal instability of permafrost, pumping of subterranean acquifers, or some other geomorphic process, subsidence is a big deal. Even a few centimeters of change can be detected with fodar.

Here are some thermokarst slumps in the Noatak River valley. Mouse-over to see the change over 1 year. Ice rich ground beneath the tundra melt, causing the ground above to subside and flow downhill towards the stream.

Here is a shaded relief of the same slumps. Mouse-over to see the terrain over 1 year. The headwalls here are about 2-3 meters high and they migrated about 10 meters. The difference in acquisition resolutions causes differences in feature appearance, but does not adversely affect the precision of the results.

Contact Us

We're not around right now. But you can send us an email and we'll get back to you, asap.

Not readable? Change text. captcha txt