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<?xml version="1.0"?> <mods xmlns="http://www.loc.gov/mods/v3" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:xlink="http://www.w3.org/1999/xlink" version="3.7" xsi:schemaLocation="http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-7.xsd"> <titleInfo> <title>Distance to Nearest Roads (Meters): San Francisco Bay Area, California, 2011</title> </titleInfo> <name type="corporate"> <namePart>Bay Area Open Space Council</namePart> <role> <roleTerm authority="marcrelator" type="text">creator</roleTerm> </role> </name> <name type="corporate"> <namePart>Conservation Lands Network</namePart> <role> <roleTerm authority="marcrelator" type="text">creator</roleTerm> </role> </name> <name type="corporate"> <namePart>San Francisco Bay Area Upland Habitat Goals Project</namePart> <role> <roleTerm authority="marcrelator" type="text">creator</roleTerm> </role> </name> <name type="corporate"> <namePart>GreenInfo Network (Firm)</namePart> <role> <roleTerm authority="marcrelator" type="text">creator</roleTerm> </role> </name> <genre valueURI="http://id.loc.gov/authorities/genreForms/gf2011026297" authority="lcgft">Geospatial data</genre> <genre valueURI="http://rdvocab.info/termList/RDAContentType/1001" authority="rdacontent">cartographic dataset</genre> <typeOfResource>cartographic</typeOfResource> <typeOfResource>software, multimedia</typeOfResource> <physicalDescription> <form>Arc/Info Binary Grid</form> <digitalOrigin>born digital</digitalOrigin> </physicalDescription> <language> <languageTerm authority="iso639-2b" type="code">eng</languageTerm> </language> <abstract lang="eng" displayLabel="Abstract">This raster dataset depicts National Overview Road Metrics - Euclidean Distance (NORM-ED) for the nine county San Francisco Bay Area Region, California and is intended for use in analyses of land surface conditions at multiple scales, particularly with application to the effects of roads on ecology, watershed quality, wildlife habitat, and enjoyment of roadless areas. These data are intended for geographic display at national levels and for large regional areas. The data should be displayed at scales appropriate for 1:100,000 scale data. This dataset was developed to describe the extent and configuration of the spaces between roads. The metric is straight-line (Euclidean) distance, in units of meters, to the nearest road. The value for any point estimates the largest radius of a circle, centered at that point, that contains no roads. The accuracy of the estimate is limited by the accuracy of the source data, both in terms of roads depicted and their positions. NORM-ED considers all roads to be equal, regardless of road surface, width, and traffic volume. The dataset from which NORM-ED was built contains features ranging from interstate highways to jeep tracks, although not necessarily with equal detail or reliability in all areas. The full-resolution dataset provides distance-to-road (DTR) values on a 30 meter grid, using an equal area projection. Values can be aggregated statistically by averaging, for example, over areas of the user's choice and results are mathematically valid. NORM-ED can be used, therefore, to calculate comparable average DTR values for Bay Area counties, watersheds, ecoregions or any other area of interest. This layer is part of the Conservation Lands Network regional biodiversity GIS database.</abstract> <abstract lang="eng" displayLabel="Purpose">This dataset was developed/compiled for use in the San Francisco Bay Area Upland Habitat Goals Project, a Project used to identify a Conservation Lands Network (CLN) for biodiversity preservation to inform conservation investments and lasting cooperative conservation partnerships. The Conservation Lands Network GIS Database is the primary output of the Project. The data depicts the spatially explicit CLN that is recommended for the nine county San Francisco Bay Area Region, California.</abstract> <note lang="eng" displayLabel="Preferred citation">Bay Area Open Space Council, GreenInfo Network, Conservation Lands Network, and San Francisco Bay Area Upland Habitat Goals Project. (2011). Distance to Nearest Roads (Meters): San Francisco Bay Area, California, 2011. Bay Area Open Space Council. Available at http://purl.stanford.edu/pr952pv0334.</note> <note displayLabel="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.</note> <subject authority="lcsh" lang="eng"> <topic authority="lcsh" authorityURI="http://id.loc.gov/authorities/subjects.html">Wildland-urban interface</topic> </subject> <subject authority="lcsh" lang="eng"> <topic authority="lcsh" authorityURI="http://id.loc.gov/authorities/subjects.html">Metropolitan areas</topic> </subject> <subject authority="lcsh" lang="eng"> <topic authority="lcsh" authorityURI="http://id.loc.gov/authorities/subjects.html">Cities and towns</topic> </subject> <subject authority="lcsh" lang="eng"> <topic authority="lcsh" authorityURI="http://id.loc.gov/authorities/subjects.html">Roads</topic> </subject> <subject authority="lcsh" lang="eng"> <topic authority="lcsh" authorityURI="http://id.loc.gov/authorities/subjects.html">Streets</topic> </subject> <subject lang="eng"> <geographic>San Francisco Bay Area (Calif.)</geographic> </subject> <subject authority="geonames" lang="eng"> <geographic authority="geonames" authorityURI="http://www.geonames.org/ontology#" valueURI="http://sws.geonames.org/5322745/">Alameda County (Calif.)</geographic> </subject> <subject authority="geonames" lang="eng"> <geographic authority="geonames" authorityURI="http://www.geonames.org/ontology#" valueURI="http://sws.geonames.org/5339268/">Contra Costa County (Calif.)</geographic> </subject> <subject authority="geonames" lang="eng"> <geographic authority="geonames" authorityURI="http://www.geonames.org/ontology#" valueURI="http://sws.geonames.org/5370468/">Marin County (Calif.)</geographic> </subject> <subject authority="geonames" lang="eng"> <geographic authority="geonames" authorityURI="http://www.geonames.org/ontology#" valueURI="http://sws.geonames.org/5376101/">Napa County (Calif.)</geographic> </subject> <subject lang="eng"> <geographic>San Francisco County (Calif.)</geographic> </subject> <subject authority="geonames" lang="eng"> <geographic authority="geonames" authorityURI="http://www.geonames.org/ontology#" valueURI="http://sws.geonames.org/5392427/">San Mateo County (Calif.)</geographic> </subject> <subject authority="geonames" lang="eng"> <geographic authority="geonames" authorityURI="http://www.geonames.org/ontology#" valueURI="http://sws.geonames.org/5393021/">Santa Clara County (Calif.)</geographic> </subject> <subject authority="geonames" lang="eng"> <geographic authority="geonames" authorityURI="http://www.geonames.org/ontology#" valueURI="http://sws.geonames.org/5396987/">Solano County (Calif.)</geographic> </subject> <subject authority="geonames" lang="eng"> <geographic authority="geonames" authorityURI="http://www.geonames.org/ontology#" valueURI="http://sws.geonames.org/5397100/">Sonoma County (Calif.)</geographic> </subject> <subject> <temporal encoding="w3cdtf">2011</temporal> </subject> <subject authority="ISO19115TopicCategory"> <topic authority="ISO19115TopicCategory" authorityURI="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#MD_TopicCategoryCode" valueURI="imageryBaseMapsEarthCover">Imagery and Base Maps</topic> </subject> <subject authority="ISO19115TopicCategory"> <topic authority="ISO19115TopicCategory" authorityURI="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#MD_TopicCategoryCode" valueURI="transportation">Transportation</topic> </subject> <subject> <cartographics> <scale>Scale not given.</scale> <projection>Custom projection</projection> <coordinates>W 123°32ʹ22ʺ--W 121°4ʹ11ʺ/N 39°8ʹ23ʺ--N 36°36ʹ38ʺ</coordinates> <coordinates>W 123°32ʹ22ʺ--W 121°4ʹ12ʺ/N 39°8ʹ23ʺ--N 36°36ʹ38ʺ</coordinates> </cartographics> </subject> <subject displayLabel="WGS84" authority="EPSG" valueURI="http://opengis.net/def/crs/EPSG/0/4326"> <cartographics> <projection>EPSG::4326</projection> </cartographics> </subject> <originInfo> <dateIssued encoding="w3cdtf" keyDate="yes">2011</dateIssued> <place> <placeTerm type="text">Berkeley, California, US</placeTerm> </place> <publisher>Bay Area Open Space Council</publisher> </originInfo> <location> <url usage="primary display">https://purl.stanford.edu/pr952pv0334</url> </location> <recordInfo> <languageOfCataloging> <languageTerm authority="iso639-2b" type="code">eng</languageTerm> </languageOfCataloging> <recordContentSource>Stanford</recordContentSource> <recordOrigin>This record was translated from ISO 19139 to MODS v.3 using an xsl transformation.</recordOrigin> <recordIdentifier>edu.stanford.purl:pr952pv0334</recordIdentifier> </recordInfo> <extension displayLabel="geo"> <rdf:RDF xmlns:gml="http://www.opengis.net/gml/3.2/" xmlns:dc="http://purl.org/dc/elements/1.1/"> <rdf:Description rdf:about="http://purl.stanford.edu/pr952pv0334"> <dc:format>application/x-ogc-aig; format=ArcGRID</dc:format> <dc:type>Dataset#Raster</dc:type> <gml:boundedBy> <gml:Envelope gml:srsName="EPSG:4326"> <gml:lowerCorner>-123.5395587 36.6105093</gml:lowerCorner> <gml:upperCorner>-121.0698981 39.139766</gml:upperCorner> </gml:Envelope> </gml:boundedBy> </rdf:Description> </rdf:RDF> </extension> <relatedItem type="host"> <titleInfo> <title>The Conservation Lands Network regional biodiversity GIS database</title> </titleInfo> <location> <url>https://purl.stanford.edu/xc921dx0980</url> </location> <typeOfResource collection="yes"/> </relatedItem> <accessCondition type="useAndReproduction">This item is in the public domain. There are no restrictions on use.</accessCondition> <accessCondition type="copyright">This work is in the Public Domain, meaning that it is not subject to copyright.</accessCondition> </mods>
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