CHemistry in the Arctic: Clouds, Halogens, and Aerosols (CHACHA) Gallery Click on an image to see a larger version. Both research aircraft and many CHACHA-ers ALAR and those working with it The CHACHA crew getting together for dinner Everyone getting together to discuss our data Taking up cross country skiing on a day off Nathaniel toughing out the cold Preparing ALAR instruments for takeoff Natasha getting the ion chromatograph ready to run samples Dr. Shepson walking through our setup with everyone Kris collecting a snow sample Andrea preparing the particle into liquid sampler for flight Dr. Lance removing a full rack of particle in liquid samples Daun checking on the King Air instruments Daun preparing the chemical ionization mass spectrometer for flight Dr. Peterson preparing the Heidelberg differential optical absorption spectroscopy instrument Aaron cleaning the ice off the sonic anenometers Aaron cleaning the ice off the higher sonic anenometers Brushing off the ice buildup Ice buildup on a sonic anenometer Ilisagvik College Stage for particle sampling at our surface station A lead viewed from ALAR ALAR in the snow The King Air in the sun A smoggy day near the oil fields Ice buildup on the tundra ALAR seen from the King Air The King Air seen from ALAR over the oil fields Clouds over an open lead The whale bone arch on the coastline Our planes resting up in the hangar A bowhead whale skull near Ilisagvik College The ground station for several Arctic projects King Air instruments after flying through arctic clouds – icy! King Air instruments for particle measurements King Air instruments for particle measurements Sunsets over Utqiagvik Interconnected facilities around the oil fields Ukpik Nest – our Arctic homebase Solar Halo out over the ice Polar bear out enjoying the weather Polar Bears investigating a drone Polar bear rolling in the snow Polar bears playing Polar bears just off the road is an event to see! Our arctic fox airport buddy Musk Ox seen from ALAR Caribou foraging out in the snow Caribou foraging out in the snow The metal palm trees out in the Arctic A benefit of Arctic field work – Aurora Borealis most nights! Everyone enjoying the sights Aurora over the town Aurora over Ilisagvik College Everyone enjoying the Aurora Everyone enjoying the Aurora A very different looking Arctic in August Sarah at the Whale Bone Arch in August The Arctic’s green in August The metal palm trees in August The Arctic coast in August – you can just make out the ice on the horizon!