AWI activities in spring/summer 2015 Polarstern and Polar 5 campaigns Thomas Krumpen, Christian Katlein, Marcel Nicolaus, Gerit Birnbaum, Sascha Willmes,

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Presentation transcript:

AWI activities in spring/summer 2015 Polarstern and Polar 5 campaigns Thomas Krumpen, Christian Katlein, Marcel Nicolaus, Gerit Birnbaum, Sascha Willmes, and many others

AWI activities May Jun Jul Aug Sep Oct Polarstern Polar 5 MELTEX

PS92 vs. N-ICE vs. MELTEX N-ICE MELTEX PS92

Duration 19 May – 28 June 2015 From/to Bremerhaven – Longyearbyen Organization Arctic in Rapid Transition Initiative Campaign leader Ilka Peeken TRANSSIZ Transitions in the Arctic Seasonal Sea Ice Zone Polarstern Cruise PS92 Ice stations during PS92

Mass/Energy Balance Remote Sensing/Model Snow Properties Sea Ice Thickness Airborne EM Ground EM Snow Depth Ice optics ROV Surface characteristic surveys Aerial photography Objectives: Sea Ice Physics

Airborne Sea Ice Thickness AWI - Sea Ice Observations Direct method based on contrast of el. conductivity between ice & water Airborne EM EM Bird measurements

2015 / June EM Bird measurements May/June

Documentation Sascha Willmes

ROV Cabin Reference sensor Generators Under ice measurements (ROV)

Magna Probe: Snow Thickness GEM: Ice Thickness Snow and ice thickness

Development of parameterizations Ice/snow thickness vs. transmittance

Duration: 30 June – 06 August 2015 Flights hours: 85 h Levels: 200 ft, 2000 ft Campaign leader: Gerit Birnbaum Station Nord MELTEX aircraft campaign

Ice thickness and topography Melt pond characteristics Surface and pond albedo Validation of satellite data (sea ice motion, deformation, feature classification, etc.) Goals

Instrumentation

Buoy deployments CALIB by MetOcean Deployment of 8 buoys on 03 July 2015 Study deformation in Fram Strait Validate summer sea ice drift data Relocate area of interest

Thickness comparison

SAR support

…thanks