TY - RPRT TI - A cross comparison of spatiotemporally enhanced springtime phenological measurements from satellites and ground in a northern U.S. mixed forest AU - Li Li AU - Mark D. Schwartz AU - Zhuosen Wang AU - Feng Gao AU - Crystal B. Schaaf AU - Bin Tan AU - Jeffrey T. Morisette AU - Xiaoyang Zhang PY - 2014 DO - 10.1109/tgrs.2014.2313558 UR - https://pubs.usgs.gov/publication/70191714 ID - 70191714 ER -