HF013
Stream network from 1997 survey and 2008 LiDAR flight, Andrews Experimental Forest

CREATOR(S): George W. Lienkaemper, Sherri L. Johnson

PRINCIPAL INVESTIGATOR(S): Sherri L. Johnson

ORIGINATOR(S): George W. Lienkaemper

DATA SET CONTACT PERSON: Theresa J. Valentine

METADATA CONTACT: Theresa J. Valentine

ABSTRACTOR: George W. Lienkaemper

DISTRIBUTOR: Theresa J. Valentine

METADATA CREATION DATE:

16 Jan 2004

MOST RECENT METADATA REVIEW DATE:

26 Jan 2016

KEYWORDS:

Disturbance, habitats, hydrology, stream order, disturbance, streamflow, water, aquatic ecosystems, streams

PURPOSE:

Prepared as base layers in the HJ Andrews GIS database.

METHODS:

Processing Procedures - HF013:

Description: HF01301: stream survey, This layer was developed through in 1976 by George Lienkaemper. The first surveys was in April when the stream system was very extended (and included many intermittent streams) and another in August and September (when the network was quite contracted). The "survey"was done using the road network and the old 4"/mile Forest Service maps. If a stream crossed a road, it was extended that far on the map. If it didn't cross the next road up, he tried to track it down to where surface water first appeared and then estimate the location on the maps. The survey consisted of 8.5 x 11 photocopies pieces of the larger map taped together. Added stream order through David Hatfields program called "order" and reviewed results with Sherri Johnson and made hand changes to order 5. (1/27/05) Theresa Valentine Projected data to NAD83 to meet USDA Forest Service Standards (04/24/2009) Theresa Valentine

Citation: Prepared from Lienkaemper's 1976 stream survey field data and contours generated from GSC DEMs

Processing Procedures - HF013 (1):

Description: HF01302: Stream network generated from 2008 LiDAR one meter bare-earth Digital Elevation Model (DEM). This layer was generated using the streamtofeature command in arcgis toolbox, with the flowdirection grid (hja_flowd). Attribute name was added to the resulting shapefile, with known stream names added to streams. Comments were added for streams where features were identified in the field, such as large culvert, no water. Type 2 streams were eliminated as being without water. Streams were corrected for culvert locations through roads. The program to generated the streams did not take this into account. On screen digitizing was done throughout the basin to correct the stream flow, based on the one meter DEM. SimplifyLine and SmoothLine commands were used to smooth the stream lines out, from the raster based linework. Width attribute was added to main lines of the Andrews, so that they would appear wider on the 2011 Andrews map. The geodatabase feature class was converted into a shapefile for distribution on the web. All commands issues can be found in the geoprocessing history report on the esri description tab in arc catalog.

Processing Procedures - HF013 (2):

Description: Stream Order was add as determined by tracing every stream. Processing done by Keith Olsen.

TAXONOMIC SYSTEM:

None

GEOGRAPHIC EXTENT:

Andrews Experimental Forest within the Willamette National Forest, western Cascades, Oregon, USA

ELEVATION_MINIMUM (meters):

ELEVATION_MAXIMUM (meters):

PROGRESS DESCRIPTION:

Complete

UPDATE FREQUENCY DESCRIPTION:

notPlanned

CURRENTNESS REFERENCE:

Ground condition