The Use of Phenological Completion Milestones for Determining Day-Of-Year of Start of Greenup and Start of Senescence

William W. Hargrove, Steven P. Norman, Joseph P. Spruce, and William M. Christie

EFETAC, USDA Forest Service, EFETAC, USDA Forest Service, CSC, NASA Stennis Space Center, and EFETAC, USDA Forest Service