CHemistry in the Arctic: Clouds, Halogens, and Aerosols (CHACHA): Shepson Atmospheric Chemistry Group: Purdue University
Shepson Atmospheric Chemistry Group

CHemistry in the Arctic: Clouds, Halogens, and Aerosols (CHACHA)

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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
Aarong 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!