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Emerging solutions for hydrological modelling from LiDAR
Authors: Stefanie Lumnitz, Grant D. Pearse, Jonathan P. Dash, Michael S. WattPublication: New Zealand Journal of Forestry, Volume N.Z.J.For. 2017, Issue N.Z.J.For. 62(2) 2017, pp 36-42, Aug 2017
Publisher: New Zealand Institute of Forestry
Abstract: This article summarises recent advances in methods for extracting hydrological features such as channel networks from light detection and ranging (LiDAR) derived terrain data. These techniques have the potential to support forest managers seeking to better plan and monitor compliance with emerging environmental standards like the National Policy Statement for Freshwater Management (NPS-FM) or the National Environmental Standard for Plantation Forests (NES-PF). In this article, we introduce new tools for extracting hydrological information from LiDAR data using a case study carried out in Geraldine Forest, Canterbury, New Zealand (see Figure 1). Our intention is limited to making forest managers aware of the availability of these tools, comparing them to existing tools such as ArcGIS, and providing some guidance on the technical aspect of these tools and the type of LiDAR survey that would be sufficient for their use.