Research Topics

An overview of topics we are currently working on is given in the following sections.

Sea ice thickness

• Thin ice thickness from SMOS and SMAP
• Leads in sea ice from SAR
  
• Sea ice topography from TanDEM-X
• Ice thickness from melt pond spectral properties

Sea ice concentration and type

• Sea ice concentration from merged passive microwave and optical observations
• Correction of atmospheric influence for sea ice concentration from near 90-GHz observations
• Multiyear sea ice concentration from combined microwave radiometer and scatterometer observations

Sea ice dynamics

• Changes in sea ice dynamics and implications for the climate system
• Pan-Arctic sea ice—atmosphere neutral drag coefficient estimation
• Monthly pan-Arctic sea ice atmosphere drag coefficient

Melt ponds and sea ice albedo

• Melt pond fraction from medium resolution optical sensors
• Spatial heterogeneity of Arctic surface reflective properties

Atmospheric parameters

• Detecting polar lows and polar mesocyclones using microwave satellite sensors
• Water vapour in high latitudes from combined passive microwave sensors

Optimal estimation

• Optimal estimation of surface and atmospheric parameters using passive microwave data in the Arctic

Thermal infrared imaging

• Imaging of sea ice surface temperatures on-ice and helicopter-borne during Campaigns

EM modeling

• Modeling of microwave emission of sea ice and snow
• Radiative transfer in the optical spectrum in sea ice, snow, and melt ponds