In fits and starts, it's warming up here at Lake Fryxell! We have less than a week left of getting as much science done as we can. We go out everyday and drill and collect water samples. Some days have been overcast, windy and frigid. Other days are like today with calm breezes and big blue sky!
Every time we create a hole through the ice, we collect a lot of data. We lower instruments into the water that measure all kinds of things: dissolved oxygen, amount of light available for photosynthesis, temperature, and the numbers of different kinds of cells that we find at each depth of lake water.
All of this helps us understand this very complex and interesting lake system. Here's a better idea of how it fits together: