LiDAR, First Return, Gwynns Falls

This first pulse DEM for the Gwynns Falls was interpolated at a resolution of 1 meter from LIDAR data with an average post spacing of 1 meter using the Natural Neighbor interpolation method available in the ArcGIS 3D Analyst. This is part of a collection of 221 Baltimore Ecosystem Study metadata records that point to a geodatabase. The geodatabase is available online and is considerably large. Upon request, and under certain arrangements, it can be shipped on media, such as a usb hard drive. The geodatabase is roughly 51.4 Gb in size, consisting of 4,914 files in 160 folders. Although this metadata record and the others like it are not rich with attributes, it is nonetheless made available because the data that it represents could be indeed useful.