Validation table for Annual NLCD Collection 1.0

Overall agreement (OAa) and standard error (SEa) (%) between Annual National Land Cover Database (NLCD) CU 1.0 at Anderson Level 1 land cover classes and primary (most likely) or alternate (but could be) land cover labels for the lower 48 states from 1985 to 2023. For example, the 2023 land cover product was found to have an accuracy of 82.75% at Anderson Level 1 classes with a low standard error of 0.42, indicating that the accuracy measurement is reliable.