Forsberg, Rene

Hvidegaard, Sine Munk

Keller, Kristian

Kloster, Kjell

Pedersen, Leif Toudal

In this project we have produced co-registered datasets of laser scanner and ENVISAT ASAR AP data. A comparison of ENVISAT ASAR Alternate Polarization (AP) mode (HH+VV) backscatter coefficient values and polarization ratios with ice freeboard height measured with the KMS laser scanner is made. The CRYOVEX-2003 dataset of 11 April 2003 was used here. The laser scanner data and the ASAR AP data were collected with a time difference of less than 1 hour. The dataset contains many wide and clear thin ice areas between large multi-year ice floes. The main result of the comparison is that a rough relation between the ASAR signal and the laser freeboard measurements is found

Comparison of Single and Dual Polarized Envisat Asar Data with Laser Scanner Data of Saa Ice Freeboard in Fram Strait

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