Alaska, 1997.
Coring platform version 1.1.

Alaska, 1999.
Coring platform version 2.0.



Iceland, 2002.
Coring through ice is more straightforward, but can require puffy clothes.

Iceland, 2002. Fastest way to core a lake.

Iceland, 2004.




Iceland, 2005. Thorsteinn with a beautiful surface core.




Iceland, 2005. Subsampling a surface core.

Iceland, 2004.
Preparing for a multiple-drive percussion piston core in 50 m water depth.



Iceland, 2004.
The equal and opposite challenge: Coring in 2.5 m water depth.

Iceland, 2004.
Checking ice thickness (for safety) and water depth (for science).

Baffin Island, 2005. Preparing to core through 2+ m of lake ice.




Baffin Island, 2005.