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ID: 99

GMA (GMA Hydrology, Inc.). 2017. Data Package for 2016 Trinity River Focal Reach Digital Terrain. Minor correction made September 1. Data Package for the Trinity River Restoration Program (TRRP) under U.S. Bureau of Reclamation contract R14PC00122. GMA Hydrology, Arcata, California. Available: www.trrp.net/library/data?id=99.

Data Package contains the Terrain Surface data set representing condition of the Focal Reach of the Trinity River, CA, USA following the 2016 restoration flow peak release. Data package includes general format surface nodes data, tiled breaklines, terrain model data feature classes organized in an ArcGIS file Geodatabase. For details on methodology, accuracy and data acquisition see accompanying report (GMA (2017) 2016 Trinity River Focal Reach Digital Terrain Map Report).

Data are effectively as-delivered by GMA under contract with the U.S. Bureau of Reclamtion, TRRP office. Metadata have been edited by the TRRP data steward regarding citation and contacts and a minor correction was made in coordination with GMA to repair elevation of a single breakline segment in a side channel above Limekiln Gulch.

This dataset also serves as the as-built topography for the TRRP Bucktail Channel Rehabilitation Site.

Orthophotography co-collected with lidar is available upon request but has significant winter shadowing.

First Posted: 2017-08-18 21:01:56

Post Updated: 2018-05-03 20:37:53