NetMap: A New Tool in Support of Watershed Science and Resource Management

An integrated suite of numerical models and analysis tools (NetMap) is created for three purposes: (1) Develop regional scale terrain databases in support of watershed science and resource management, (2) Automate numerous kinds of watershed analyses keying on environmental variability for diversify...

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Bibliographic Details
Published in:Forest science 2007-04, Vol.53 (2), p.206-219
Main Authors: Benda, L, Miller, D, Andras, K, Bigelow, P, Reeves, G, Michael, D
Format: Article
Language:English
Subjects:
Aquatic ecosystems
computer analysis
computer software
debris flow
environmental monitoring
environmental protection
fires
forest management
forest roads
geographic information systems
habitats
hillslopes
landforms
Resource management
sediments
Software
spatial data
streams
topography
watershed management
Watersheds
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Summary:An integrated suite of numerical models and analysis tools (NetMap) is created for three purposes: (1) Develop regional scale terrain databases in support of watershed science and resource management, (2) Automate numerous kinds of watershed analyses keying on environmental variability for diversifying resource management options, and (3) Improve tools and skills for interpreting watershed-level controls on aquatic systems, including natural disturbance. Hillslope attributes, such as erosion potential, sediment supply, road density, forest age, and fire risk are aggregated down to the channel habitat scale (20-200 m) allowing unique overlap analyses, and they are accumulated downstream in networks revealing patterns across multiple scales. Watershed attributes are aggregated up to subbasin scales (approximately 10,000 ha), allowing comparative analyses across large watersheds and landscapes. Approximately 25 automated tools address erosion risk, habitat indices, channel classification, habitat core areas, habitat diversity, and sediment and wood supply, among others. Search functions target overlaps between specific hillslope and channel conditions and between roads and landslide or debris flow potential. To facilitate its use, NetMap contains hyperlinked users' manuals and reference materials, including a library of 50 watershed parameters. NetMap provides decision support for forestry, restoration, monitoring, conservation, and regulation.
ISSN:0015-749X
1938-3738
DOI:10.1093/forestscience/53.2.206