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LIDAR “Eye in the Sky” presentation at tonight’s Mid-Coast Watershed Council meeting

LIDAR surveying NOAA graphic

LIDAR surveying
NOAA graphic

Landslide presentation to the MidCoast Watersheds Council tonight, 6:30 PM, at the Central Lincoln PUD, Newport.

Geologist Bill Burns will give a presentation on using LIDAR for detection and inventory of past landslides, focusing on the Big Elk and North Fork Siuslaw drainages. Bill Burns is an Engineering Geologist with the Oregon Department of Geology and Mineral Industries (DOGAMI), and serves as an adjunct professor at Portland State University. He works extensively on landslide mapping and hazard assessment.

LIDAR, which stands for Laser Imaging Detection and Ranging, is a technique for developing extremely precise maps of the earth’s surface. It uses an aircraft-mounted laser rangefinder and extremely precise position controls to produce maps of the land surface, and also of the the vegetation on the surface. These maps can be extremely useful in forest management, wetland restoration, highway design, and land use planning, as well as hazard assessment. DOGAMI as been working toward complete LIDAR mapping of Oregon, using some of the highest-resolution technology available.

Mr. Burns has used recent LIDAR acquisitions to locate and map old landslide scars, and assess their potential for further movement. The analyses described in this presentation were done in cooperation with Oregon Department of Environmental Quality, to assess sediment delivery to streams through naturally-occurring landslides.

The MidCoast Watersheds Council is a Newport-based nonprofit organization dedicated to restoration and protection of watersheds in the central coast area, in the context of healthy local communities. The Council provides a forum to the community for discussion of issues related to economic and environmental health. The Council also has an extensive program of natural resource education in Lincoln County schools and in summer. Recent restoration projects have included the Lint Slough estuarine marsh restoration, riparian restoration through fencing and tree planting, restoration of stream habitat by large wood placement, and passage improvement for salmon by replacing barrier culverts. Currently the council is implementing a series of projects to improve fish passage and riparian habitat in the upper Yaquina Basin.

The Council meets the first Thursday of each month, at 6:30 PM, at the Central Lincoln PUD in Newport. The PUD is located at 2129 North Coast Highway in Newport, across the highway from Safeway.

mcwc@midcoastwatershedscouncil.org

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