TY - RPRT TI - Detecting unfrozen sediments below thermokarst lakes with surface nuclear magnetic resonance AU - Andrew D. Parsekian AU - Guido Grosse AU - Jan O. Walbrecker AU - Mike Muller-Petke AU - Kristina Keating AU - Lin Liu AU - Benjamin M. Jones AU - Rosemary Knight PY - 2013 DO - 10.1002/grl.50137 UR - https://pubs.usgs.gov/publication/70045518 ID - 70045518 ER -