Riparian Extent: Russian River Main Stem, Middle Reach, Sonoma County, California in 2000

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Abstract/Contents

Abstract: This polyogn shapefile describes the riparian extent of the Alexander Valley reach of the Russian River in 2000. The Middle Reach extent is defined by the Wohler Bridge and the Healdsburg, 101 bridge. Riparian habitat is defined as the river channel and all areas covered by riparian vegetation along the Russian River's "main stem", including the wetted channel, active channel, vegetated channel, channel banks, and that portion of the floodplain between the top of the channel bank and the outer limit of "typical" riparian vegetation. This habitat supports various seral stages of riparian vegetation, and it is assumed to be subject to relatively frequent flooding wherever there are no artificial flood control structures.The mainstem Russian River riparian habitat boundaries were interpreted from Sonoma County Water Agency (SCWA) Aggregate Resources Management (ARM) Plan aerial photos. Some areas of the SCWA aerial photos were missing and limited the extent of the riparian habitat. Aerials from the County of Sonoma Information Systems Department / GIS Group were used to complete the riparian extent.
Purpose: This layer can be used for land use analysis and planning in the Russian River region of California.

Type of resource	cartographic, software, multimedia
Form	Shapefile
Extent	0.098
Place	Windsor, California, US
Publisher	Circuit Rider Productions
Date valid	2000
Publication date	2002
Language	English
Digital origin	born digital
Map data	Scale not given. ; EPSG::26910 W 122°53ʹ9ʺ--W 122°50ʹ33ʺ/N 38°36ʹ40ʺ--N 38°30ʹ26ʺ, Scale not given ; EPSG::4326

Creator	Circuit Rider Productions

Subject	Vegetation surveys
Subject	Land use
Subject	Land cover
Subject	Sonoma County (Calif.)
Subject	Mendocino County (Calif.)
Subject	Russian River Watershed (Calif.)
Subject	2000
Subject	Inland Waters
Subject	Biology and Ecology
Subject	Imagery and Base Maps
Genre	Geospatial data
Genre	Cartographic dataset

Supplemental information	The Aggregate Resources Management (ARM) Plan aerial photos provided imagery coverage of the mainstem Russian River for photo-interpretation and digitizing riparian extent. Though these aerial photos were not orthogonally rectified, the terrain within the floodplain study area is relatively level and the mapping results are considered acceptable for purposes of natural resources planning. The aerials from the County of Sonoma Information Systems Department / GIS Group were corrected to the ground using aerial and ground-based global positioning system (GPS) survey coordinates. The data resolution varies from one-foot resolution or better in urban or incorporated areas and two-foot resolution in forested, mountainous, or other unincorporated areas of the County. These aerials were originally in California Stateplane Zone II, NAD 83 (survey feet) II coordinates and were later reprojected to UTM NAD 83 zone 10N.
WGS84 Cartographics	This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.
Location	https://purl.stanford.edu/jn568yj4357

Use and reproduction: These data are licensed by Stanford Libraries and are available to Stanford University affiliates only. Affiliates are limited to current faculty, staff and students. Non affiliates seeking access should contact the publisher directly. These data may not be reproduced or used for any purpose without permission.
Copyright: Copyright ownership resides with the originator.

Preferred citation: Circuit Rider Productions and National Oceanic and Atmospheric Administration (2002). Riparian Extent: Russian River Main Stem, Middle Reach, Sonoma County, California in 2000. Circuit Rider Productions. Available at: http://purl.stanford.edu/jn568yj4357

Russian River watershed GIS

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