Item talk:Q239578
From geokb
{
"USGS Publications Warehouse": { "@context": "https://schema.org", "@type": "Article", "additionalType": "Journal Article", "name": "Partial polygon pruning of hydrographic features in automated generalization", "identifier": [ { "@type": "PropertyValue", "propertyID": "USGS Publications Warehouse IndexID", "value": "70192331", "url": "https://pubs.usgs.gov/publication/70192331" }, { "@type": "PropertyValue", "propertyID": "USGS Publications Warehouse Internal ID", "value": 70192331 }, { "@type": "PropertyValue", "propertyID": "DOI", "value": "10.1111/tgis.12270", "url": "https://doi.org/10.1111/tgis.12270" } ], "journal": { "@type": "Periodical", "name": "Transactions in GIS", "volumeNumber": "21", "issueNumber": "5" }, "inLanguage": "en", "isPartOf": [ { "@type": "CreativeWorkSeries", "name": "Transactions in GIS" } ], "datePublished": "2017", "dateModified": "2017-10-25", "abstract": "This paper demonstrates a working method to automatically detect and prune portions of waterbody polygons to support creation of a multi-scale hydrographic database. Water features are known to be sensitive to scale change; and thus multiple representations are required to maintain visual and geographic logic at smaller scales. Partial pruning of polygonal features\u2014such as long and sinuous reservoir arms, stream channels that are too narrow at the target scale, and islands that begin to coalesce\u2014entails concurrent management of the length and width of polygonal features as well as integrating pruned polygons with other generalized point and linear hydrographic features to maintain stream network connectivity. The implementation follows data representation standards developed by the U.S. Geological Survey (USGS) for the National Hydrography Dataset (NHD). Portions of polygonal rivers, streams, and canals are automatically characterized for width, length, and connectivity. 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