Bonnie and I went out today to do some optics measurements at a location close to the sampling site on the Chukchi Sea. We also recruited the BARC Senior Scientist, Karl Newyear, to help us out.Bonnie wanted to measure the following: the relative amount of sunlight reflected by the snow (albedo), the relative amount of sunlight transmitted through the snow and ice at the bottom of the sea ice (light transmittance), and the amount of sunlight that passes through the snow and ice at regular intervals down a core hole (vertical light profile).In the photo above, you can see the spectrophotometer…
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After all the time cooped up working hard in the lab, another field day was a literal breath of fresh air. But first we had to wait over an hour for our bear guard, who had slept through his alarm because he was out partying the night before because a large female bowhead whale had been caught by one of the local native whaling crews. We passed the time by packing up the sled, telling field stories, and taking increasingly silly photos.We were so anxious to get out on the ice when he finally did arrive, that we didn’t discuss…