TY - RPRT TI - Environmental and physical controls on northern terrestrial methane emissions across permafrost zones AU - David Olefeldt AU - Merritt R. Turetsky AU - Patrick M. Crill AU - A. David McGuire PY - 2012 DO - 10.1111/gcb.12071 UR - https://pubs.usgs.gov/publication/70042300 ID - 70042300 ER -