Michelle Brown and Andy Stillinger calculate the tilt of the Earth's axis by using height and shadow length at the South Pole on winter solstice.
A slideshow video by PolarTREC teacher Tim Martin as related to Geologic Climate Research in Siberia
Tim Martin, Geologic Climate Research in Siberia
PolarTREC teacher Tim Martin interview researcher Julie Brigham-Grette in regards to geologic climate research in siberia.