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The Coordinated Eastern Arctic Experiment (CEAREX) was conducted to study the processes regulating eastern Arctic Ocean exchange of momentum, heat, and biomass. The primary CEAREX objectives were to understand the structure and function of mesoscale (order 10 km) and submesoscale processes in the transport of heat northward, and to understand the ice behavior and associated acoustic ambient noise and coherence. The Drift Experiment described here was one part of the comprehensive CEAREX program. It focused on the transition period during freeze up and on the dark winter period. The Drift Experiment was designed to observe atmosphere, ice, and ocean behavior simultaneously. Specific observations were carried out under independent research programs by investigators from a number of organizations. The concurrent information provided an opportunity to measure and understand the relationship between stresses observed in individual ice floes and the geophysical driving forces and overall ice conditions, and to identify and describe noise generated by different processes. The coordinated effort has resulted in a complete set of data for helping to understand the dynamic interactions among ice, ocean, and atmosphere. This large, valuable, and unique data set will be archived by the National Snow and Ice Data Center in Boulder, Colo. Some subsets will be available on CD-ROM for simple and inexpensive use on personal computers.