Extended Data Fig. 1: Overview of training and evaluation sites.
From: Overlooked and extensive ghost forest formation across the US Atlantic coast
The locations of the 1,519 training and 260 validation sites of random sizes (at least 256 × 256 pixels) used for model training, containing a total of 142,012 dead tree labels. We developed 350 1-ha independent evaluation sites that capture different elevation and dead tree density gradients, consisting of 9,624 dead trees. The background map shows the elevation (from 0 to 50 m above sea level) of the US Atlantic coast. Basemap © 2025 ESRI terrain. Basemap from Esri with state boundaries from the US Census Bureau.
