TY - RPRT TI - Extending airborne electromagnetic surveys for regional active layer and permafrost mapping with remote sensing and ancillary data, Yukon Flats ecoregion, central Alaska AU - Neal J. Pastick AU - M. Torre Jorgenson AU - Bruce K. Wylie AU - Burke J. Minsley AU - Lei Ji AU - Michelle Ann Walvoord AU - Bruce D. Smith AU - Jared D. Abraham AU - Joshua R. Rose PY - 2013 DO - 10.1002/ppp.1775 UR - https://pubs.usgs.gov/publication/70045740 ID - 70045740 ER -