Figure 3From: A sample design for globally consistent biomass estimation using lidar data from the Geoscience Laser Altimeter System (GLAS)The 182 GLAS shots selected for inclusion in the S1 sample of California forests. This sample has properties similar to the sample used in the US NFI and is treated here as a simple random sample. A National Land Cover Database [15] cover map is shown for context.Back to article page