this post was submitted on 13 Jun 2024
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But that's about the local temperature of the year, it says nothing about the glaciers shrinking or expanding, also if glaciers are shrinking, wouldn't we lose some readings? I mean if the glacier this year is smaller than last year, means that we have lost at least one year readings (most likely much more than that), not to mention that it contradicts that ice gets deposited every year.
It is my understanding that glaciers expand and shrink seasonally every year, and lately the expansion (if any) is always smaller than the shrinking, but it is a trend that started more than 100y ago (basically since when we started keeping record) and has been accellerating, because of this how can you extrapolate when to start dating in reverse? If you never saw a the, let's call it inflationary phase, how do you know when it reversed? The error might be small... or not
Is there an error in my reasoning (or my assumptions)? Consider that I am not the only one having this doubts.
Most of the glacial loss, especially on higher elevations, is from sublimation and not directly melting. That doesnt cause the loss of the measurable isotopes.