The CVR has been found, but not the FDR.
In a previous accident in 2008 the CVR was of the magnetic wire type. That report is
here.
AIBN updates on the investigation can be found
here.
The water temperature on the western side of Svalbard is is helped by the Gulf stream, and could still be about 4-5 degrees this time of the year. (On the east coast it is currently forecast to be -1!)
The one person found earlier in the week was on the sea bed about 130 m from the wreckage.