Scripts and data associated with M. Lin, A. L. Simons, R. J. Harrigan, E. E. Curd, F. D. Schneider, D. V. Ruiz-Ramos, Z. Gold, M. G. Osborne, S. Shirazi, T. M. Schweizer, T. N. Moore, E. A. Fox, R. Tu
The Kernel Normalized Difference Vegetation Index (kNDVI) was derived from the PKU GIMMS NDVI dataset (1982–2022; ~8 km spatial resolution) following the methodology described in the manuscript.