Item talk:Q256136

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   "additionalType": "Conference Paper",
   "name": "Integrating terrestrial LiDAR and stereo photogrammetry to map the Tolay lakebed in northern San Francisco Bay",
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       "value": "70176176",
       "url": "https://pubs.usgs.gov/publication/70176176"
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       "value": 70176176
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   "inLanguage": "en",
   "datePublished": "2009",
   "dateModified": "2021-11-08",
   "abstract": "The Tolay Creek Watershed drains approximately 3,520 ha along the northern edge of San Francisco Bay. Surrounded by a mosaic of open space conservation easements and public wildlife areas, it is one of the only watersheds in this urbanized estuary that is protected from its headwaters to the bay. Tolay Lake is a seasonal, spring-fed lake found in the upper watershed that historically extended over 120 ha. Although the lakebed was farmed since the early 1860s, the majority of the lakebed was recently acquired by the Sonoma County Regional Parks Department to restore its natural habitat values. As part of the restoration planning process, we produced a digital elevation model (DEM) of the historic extent of Tolay Lake by integrating terrestrial LiDAR (light detection and ranging) and stereo photogrammetry datasets, and real-time kinematic (RTK) global positioning system (GPS) surveys. We integrated the data, generated a DEM of the lakebed and upland areas, and analyzed errors. The accuracy of the composite DEM was verified using spot elevations obtained from the RTK GPS. Thus, we found that by combining photogrammetry, terrestrial LiDAR, and RTK GPS, we created an accurate baseline elevation map to use in watershed restoration planning and design.",
   "description": "6 p.",
   "publisher": {
     "@type": "Organization",
     "name": "U.S Geological Survey"
   },
   "author": [
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       "@type": "Person",
       "name": "Ehret, Steve",
       "familyName": "Ehret"
     },
     {
       "@type": "Person",
       "name": "Gardiner, Rachel J.",
       "givenName": "Rachel J.",
       "familyName": "Gardiner"
     },
     {
       "@type": "Person",
       "name": "Takekawa, John Y. john_takekawa@usgs.gov",
       "givenName": "John Y.",
       "familyName": "Takekawa",
       "email": "john_takekawa@usgs.gov",
       "identifier": {
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         "value": "0000-0003-0217-5907",
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           "@type": "Organization",
           "name": "Western Ecological Research Center",
           "url": "https://www.usgs.gov/centers/werc"
         }
       ]
     },
     {
       "@type": "Person",
       "name": "Storesund, Rune",
       "familyName": "Storesund"
     },
     {
       "@type": "Person",
       "name": "Woo, Isa iwoo@usgs.gov",
       "givenName": "Isa",
       "familyName": "Woo",
       "email": "iwoo@usgs.gov",
       "identifier": {
         "@type": "PropertyValue",
         "propertyID": "ORCID",
         "value": "0000-0002-8447-9236",
         "url": "https://orcid.org/0000-0002-8447-9236"
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           "@type": "Organization",
           "name": "Western Ecological Research Center",
           "url": "https://www.usgs.gov/centers/werc"
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   "funder": [
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       "@type": "Organization",
       "name": "Western Ecological Research Center",
       "url": "https://www.usgs.gov/centers/werc"
     }
   ],
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       "@type": "Place",
       "additionalType": "country",
       "name": "United States",
       "url": "https://geonames.org/4074035"
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       "@type": "Place",
       "additionalType": "state",
       "name": "California"
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       "name": "northern San Francisco Bay"
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