Ancient mud reveals the longest record of climate from the tropics
Nature Podcast
How to Extract a Core From a Lake
The presence or absence of this rock flower tells you wherthe glaciers were moving through the mountains around the lake, crushing the rock to dust as they went. It's an incredibly useful record, but extracting a core from the hundred meters of sediment below a lake isn't easy. We needed a platform the size of a tennis cort, and we needed hydraulics and heavy equipment. But first we needed access to lake. The marsh lands around the lake make it impossible to, you no access the lake. So we literally had to dig a little canal to get some of the early craft out into the lake. Then we needed to get a platform. We rented a modular system from houston
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