this post was submitted on 13 Sep 2023
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Soil Science

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[โ€“] alwaysconfused@lemmy.ca 2 points 2 years ago (1 children)

Thanks for the write up. It's hard to conprehend just how much sediment is in glacial melt. It makes sense but the volume is still impressive.

[โ€“] Track_Shovel@slrpnk.net 2 points 2 years ago

During the last glaciation, kilometers thick ice sheets advanced across North America, grinding and ploughing everything in their path. This action resulted in an a shit pile of sediments making its way into the sheets. This period lasted for about 100k years, ultimately resulting in about 10% of the ice mass consisting of sediment.

Some areas where not glaciated link even the within the ice sheets. an example of this is are the Cypress Hills