TY - RPRT TI - Characterizing spatiotemporal patterns of crop phenology across North America during 2000–2016 using satellite imagery and agricultural survey data AU - Yanjun Yang AU - Wei Ren AU - Bo Tao AU - Lei Ji AU - Li Li AU - Alex C. Ruran AU - J. B. Fisher AU - Jiangui Liu AU - Michael Sama AU - Zhe Li AU - Qingjiu Tian PY - 2020 DO - 10.1016/j.isprsjprs.2020.10.005 UR - https://pubs.usgs.gov/publication/70227642 ID - 70227642 ER -