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There are all kinds of stories about how vulnerable those areas are, and what sort of relocation of islanders needs to take place, but I can't find any stories about any current or past problem.I knew that the earth sea level wouldn't be a perfect sphere (oblate spheroid) but I would think that whatever lumpy shape it is, it would at least be stable from year to year. However maybe the changes are due to crust changes. After all a few mm is not very much.It seems that the two bands have different path delays due to the atmosphere, so not only can they compare the two delays to correct the signal time-of-flight, but the amount of correction also measures the water content.
There are all kinds of stories about how vulnerable those areas are, and what sort of relocation of islanders needs to take place, but I can't find any stories about any current or past problem.
I knew that the earth sea level wouldn't be a perfect sphere (oblate spheroid) but I would think that whatever lumpy shape it is, it would at least be stable from year to year. However maybe the changes are due to crust changes. After all a few mm is not very much.
It seems that the two bands have different path delays due to the atmosphere, so not only can they compare the two delays to correct the signal time-of-flight, but the amount of correction also measures the water content.
