Table 2. PRISM and NRCC digital elevation model (DEM) summary.

Data Product	Spatial Resolution	Source	Methods
PRISM	2.5 arc-minute	EROS Data Center’s 3-arc-secondDEM	Mosaiced & resampled to 15-arc-second resolution; Smoothed with modified Barnes filter [34]
NRCC	2.5 arc-minute	NOAA NGDC 30-arc-second(∼1 km) DEM	Mosaiced & resampled to 150-arc-second resolution