Ice Mass Balance Buoys
The ice mass balance is the great thermodynamic integrator. If there is net warming over time, then there will be thinning of the ice. To study this, ERDC-CRREL developed the seasonal version of the Ice Mass Balance Buoy (SIMB) in response to the recent dramatic shift to a younger, thinner ice cover.

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Photo by: ERDC-CRREL |  VIRIN: 141113-A-CE999-005.JPG