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100 m

N. Validation line -- to Paris --. Major pressure ridge. Tartu Flag. Snow pits. Ice core. 200 sites: snow depth, ice thickness and freeboard. Sea ice coring. Ice mass balance. Spectral radiation II. Tiltmeter. Flag. POP. Seismometer. Spectral radiation I. Flag. Snow pits.

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100 m

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  1. N Validation line -- to Paris -- Major pressure ridge Tartu Flag Snow pits Ice core 200 sites: snow depth, ice thickness and freeboard Sea ice coring Ice mass balance Spectral radiation II Tiltmeter Flag POP Seismometer Spectral radiation I Flag Snow pits Snow pit Flag Radiation station Validation line – to Helsinki -- Black carbon II Under ice radiation 2 Thermistors Spectral radiation 0 9 Snow stakes Camera view TARA Organic waste Single measurements Monitoring program Flags and red tents Facilities and white tents Tents CTD Toilet TV + mess tent Met. mast Black carbon I 100 m Balloon winch 22 to 29 April 2007 Position: 88,19°N 124,10°E (on 29 April at 06:30 CET) Ice core Contribution from the snow and ice group Major pressure ridge To the airstrip approx. 500m Map of ice-camp facilities and scientific sites

  2. Major pressure ridge Major pressure ridge Thermistors Camera Radiation station Snow stakes Aerial photograph (from approx. 200 m height)

  3. Snow pits Sea-ice coring POPS Radiation station 9 Snow stakes 2 Thermistor strings Photograph from the camera on board Tara (karhukamera)

  4. Airstrip Met. mast Snow stakes Radiation station Thermistors Ice coring and snow pits Snow and ice thickness validation line Aerial photograph from 29 April 2007 (during Twin Otter takeoff)

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