Fig. 2. Surface elevation map of the Nilo Coelho study site. The lowest relative elevation measured was taken as the local datum. Arrows indicate slope direction calculated from the digital elevation model by the program TOPO (Pennock, 1993).
Fig. 2. Surface elevation map of the Nilo Coelho study site. The lowest relative elevation measured was taken as the local datum. Arrows indicate slope direction calculated from the digital elevation model by the program TOPO (Pennock, 1993).