The sediment in Lake El'gygytgyn, (pronounced EL-ge-GIT-gin) located in NE Siberia, holds one of the longest records of climate change anywhere in the continental Arctic. How does sediment (clay and mud) tell us something about past climate? Proxy data! By studying the microfossils of diatoms and pollen in the sediment, we can re-construct the lake environment millions of
PolarTREC Teacher, Mark McKay, heads to the Bering Sea to participate in a research cruise with Dr. Ray Sambrotto. Read the article here or download the PDF (right).