Item talk:Q311138

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{

 "USGS Publications Warehouse": {
   "@context": "https://schema.org",
   "@type": "Article",
   "additionalType": "Journal Article",
   "name": "Ash3d: A finite-volume, conservative numerical model for ash transport and tephra deposition",
   "identifier": [
     {
       "@type": "PropertyValue",
       "propertyID": "USGS Publications Warehouse IndexID",
       "value": "70041465",
       "url": "https://pubs.usgs.gov/publication/70041465"
     },
     {
       "@type": "PropertyValue",
       "propertyID": "USGS Publications Warehouse Internal ID",
       "value": 70041465
     },
     {
       "@type": "PropertyValue",
       "propertyID": "DOI",
       "value": "10.1029/2011JB008968",
       "url": "https://doi.org/10.1029/2011JB008968"
     }
   ],
   "journal": {
     "@type": "Periodical",
     "name": "Journal of Geophysical Research",
     "volumeNumber": "117",
     "issueNumber": null
   },
   "inLanguage": "en",
   "isPartOf": [
     {
       "@type": "CreativeWorkSeries",
       "name": "Journal of Geophysical Research"
     }
   ],
   "datePublished": "2012",
   "dateModified": "2019-05-30",
   "abstract": "We develop a transient, 3-D Eulerian model (Ash3d) to predict airborne volcanic ash concentration and tephra deposition during volcanic eruptions. This model simulates downwind advection, turbulent diffusion, and settling of ash injected into the atmosphere by a volcanic eruption column. Ash advection is calculated using time-varying pre-existing wind data and a robust, high-order, finite-volume method. Our routine is mass-conservative and uses the coordinate system of the wind data, either a Cartesian system local to the volcano or a global spherical system for the Earth. Volcanic ash is specified with an arbitrary number of grain sizes, which affects the fall velocity, distribution and duration of transport. Above the source volcano, the vertical mass distribution with elevation is calculated using a Suzuki distribution for a given plume height, eruptive volume, and eruption duration. Multiple eruptions separated in time may be included in a single simulation. We test the model using analytical solutions for transport. Comparisons of the predicted and observed ash distributions for the 18 August 1992 eruption of Mt. Spurr in Alaska demonstrate to the efficacy and efficiency of the routine.",
   "description": "20 p.; B04204",
   "publisher": {
     "@type": "Organization",
     "name": "American Geophysical Union"
   },
   "author": [
     {
       "@type": "Person",
       "name": "Mastin, Larry G. lgmastin@usgs.gov",
       "givenName": "Larry G.",
       "familyName": "Mastin",
       "email": "lgmastin@usgs.gov",
       "identifier": {
         "@type": "PropertyValue",
         "propertyID": "ORCID",
         "value": "0000-0002-4795-1992",
         "url": "https://orcid.org/0000-0002-4795-1992"
       },
       "affiliation": [
         {
           "@type": "Organization",
           "name": "Volcano Science Center",
           "url": "https://www.usgs.gov/centers/volcano-science-center"
         }
       ]
     },
     {
       "@type": "Person",
       "name": "Denlinger, Roger P. roger@usgs.gov",
       "givenName": "Roger P.",
       "familyName": "Denlinger",
       "email": "roger@usgs.gov",
       "identifier": {
         "@type": "PropertyValue",
         "propertyID": "ORCID",
         "value": "0000-0003-0930-0635",
         "url": "https://orcid.org/0000-0003-0930-0635"
       },
       "affiliation": [
         {
           "@type": "Organization",
           "name": "Volcano Hazards Program",
           "url": "https://www.usgs.gov/programs/VHP"
         },
         {
           "@type": "Organization",
           "name": "Volcano Science Center",
           "url": "https://www.usgs.gov/centers/volcano-science-center"
         }
       ]
     },
     {
       "@type": "Person",
       "name": "Schwaiger, Hans F. hschwaiger@usgs.gov",
       "givenName": "Hans F.",
       "familyName": "Schwaiger",
       "email": "hschwaiger@usgs.gov",
       "identifier": {
         "@type": "PropertyValue",
         "propertyID": "ORCID",
         "value": "0000-0001-7397-8833",
         "url": "https://orcid.org/0000-0001-7397-8833"
       },
       "affiliation": [
         {
           "@type": "Organization",
           "name": "Volcano Science Center",
           "url": "https://www.usgs.gov/centers/volcano-science-center"
         }
       ]
     }
   ],
   "funder": [
     {
       "@type": "Organization",
       "name": "Volcano Hazards Program",
       "url": "https://www.usgs.gov/programs/VHP"
     },
     {
       "@type": "Organization",
       "name": "Volcano Science Center",
       "url": "https://www.usgs.gov/centers/volcano-science-center"
     }
   ]
 }

}