{
"USGS Staff Profile": {
"@context": "https://schema.org",
"@type": "Person",
"dateModified": "2024-09-21T07:56:57.849134",
"name": "David Powars",
"identifier": [],
"jobTitle": "Scientist Emeritus",
"hasOccupation": [
{
"@type": "OrganizationalRole",
"startDate": "2024-09-21T07:56:57.851933",
"affiliatedOrganization": {
"@type": "Organization",
"name": "Florence Bascom Geoscience Center",
"url": "https://www.usgs.gov/centers/florence-bascom-geoscience-center"
},
"roleName": "Scientist Emeritus"
}
],
"description": [
{
"@type": "TextObject",
"additionalType": "short description",
"abstract": "Scientist Emeritus with the Florence Bascom Geoscience Center"
},
{
"@type": "TextObject",
"additionalType": "staff profile page introductory statement",
"abstract": "David Powars is a Scientist Emeritus at the Florence Bascom Geoscience Center."
},
{
"@type": "TextObject",
"additionalType": "personal statement",
"abstract": "USGS Research Geologist: Geology and Paleoclimate Science Center, Reston VA. Presently task leader of geological investigation of Coastal Plain (CP) deposits in Chesapeake Bay Region (as part of the Atlantic Watershed Project). Subsurface and surficial geological mapper. Focuses on delineating the stratigraphic and structural framework and geological history of the Cretaceous and Tertiary of the Mid-Atlantic Coastal Plain New Jersey to Virginia. As principal discoverer of the Chesapeake Bay impact crater received Virginia Museum of Natural History\u2019s Thomas Jefferson Award for outstanding contributions to science in Virginia. Working on mid-Atlantic Paleochannels, the PETM, andCPseismicity."
}
],
"email": "dspowars@usgs.gov",
"url": "https://www.usgs.gov/staff-profiles/david-powars",
"affiliation": [],
"hasCredential": [],
"knowsAbout": [
{
"@type": "Thing",
"additionalType": "self-claimed expertise",
"name": "earth history"
},
{
"@type": "Thing",
"additionalType": "self-claimed expertise",
"name": "earth structure"
},
{
"@type": "Thing",
"additionalType": "self-claimed expertise",
"name": "crust (earth)"
},
{
"@type": "Thing",
"additionalType": "self-claimed expertise",
"name": "geologic history"
},
{
"@type": "Thing",
"additionalType": "self-claimed expertise",
"name": "geologic structure"
},
{
"@type": "Thing",
"additionalType": "self-claimed expertise",
"name": "lithostratigraphy"
},
{
"@type": "Thing",
"additionalType": "self-claimed expertise",
"name": "rocks and deposits"
},
{
"@type": "Thing",
"additionalType": "self-claimed expertise",
"name": "sedimentary rocks"
},
{
"@type": "Thing",
"additionalType": "self-claimed expertise",
"name": "stratigraphy"
},
{
"@type": "Thing",
"additionalType": "self-claimed expertise",
"name": "unconsolidated deposits"
},
{
"@type": "Thing",
"additionalType": "self-claimed expertise",
"name": "erosion"
},
{
"@type": "Thing",
"additionalType": "self-claimed expertise",
"name": "fracture (geologic)"
},
{
"@type": "Thing",
"additionalType": "self-claimed expertise",
"name": "subsidence"
},
{
"@type": "Thing",
"additionalType": "self-claimed expertise",
"name": "sedimentation"
},
{
"@type": "Thing",
"additionalType": "self-claimed expertise",
"name": "saltwater intrusion"
},
{
"@type": "Thing",
"additionalType": "self-claimed expertise",
"name": "sediment transport"
},
{
"@type": "Thing",
"additionalType": "self-claimed expertise",
"name": "earthquake occurrences"
},
{
"@type": "Thing",
"additionalType": "self-claimed expertise",
"name": "impact cratering"
},
{
"@type": "Thing",
"additionalType": "self-claimed expertise",
"name": "tsunamis"
},
{
"@type": "Thing",
"additionalType": "self-claimed expertise",
"name": "core analysis"
},
{
"@type": "Thing",
"additionalType": "self-claimed expertise",
"name": "field methods"
},
{
"@type": "Thing",
"additionalType": "self-claimed expertise",
"name": "geographic information systems"
},
{
"@type": "Thing",
"additionalType": "self-claimed expertise",
"name": "photography"
},
{
"@type": "Thing",
"additionalType": "self-claimed expertise",
"name": "remote sensing"
}
],
"memberOf": {
"@type": "OrganizationalRole",
"name": "staff member",
"member": {
"@type": "Organization",
"name": "U.S. Geological Survey"
},
"startDate": "2024-09-21T07:56:57.849137"
}
},
"ORCID": {
"@context": "http://schema.org",
"@id": "https://orcid.org/0000-0002-6787-8964",
"@reverse": {
"creator": [
{
"@id": "https://doi.org/10.1002/2017pa003096",
"@type": "CreativeWork",
"identifier": {
"@type": "PropertyValue",
"propertyID": "doi",
"value": "10.1002/2017pa003096"
},
"name": "Shallow marine response to global climate change during the Paleocene\u2010Eocene Thermal Maximum, Salisbury Embayment, USA"
},
{
"@id": "https://doi.org/10.3133/gip159",
"@type": "CreativeWork",
"identifier": {
"@type": "PropertyValue",
"propertyID": "doi",
"value": "10.3133/gip159"
},
"name": "Chesapeake Bay impact structure: A blast from the past"
},
{
"@id": "https://doi.org/10.3133/fs20153071",
"@type": "CreativeWork",
"identifier": {
"@type": "PropertyValue",
"propertyID": "doi",
"value": "10.3133/fs20153071"
},
"name": "The Chesapeake Bay impact structure"
},
{
"@id": "https://doi.org/10.3133/ofr20121218",
"@type": "CreativeWork",
"identifier": {
"@type": "PropertyValue",
"propertyID": "doi",
"value": "10.3133/ofr20121218"
},
"name": "Preliminary physical stratigraphy, biostratigraphy, and geophysical data of the USGS South Dover Bridge Core, Talbot County, Maryland"
},
{
"@id": "https://doi.org/10.3133/ofr20071094",
"@type": "CreativeWork",
"identifier": {
"@type": "PropertyValue",
"propertyID": "doi",
"value": "10.3133/ofr20071094"
},
"name": "Site Report for USGS Test Holes Drilled at Cape Charles, Northampton County, Virginia, in 2004"
},
{
"@id": "https://doi.org/10.3133/sim2841",
"@type": "CreativeWork",
"identifier": {
"@type": "PropertyValue",
"propertyID": "doi",
"value": "10.3133/sim2841"
},
"name": "Geologic map of the Stafford quadrangle, Stafford County, Virginia"
},
{
"@id": "https://doi.org/10.3133/pp1688i",
"@type": "CreativeWork",
"identifier": {
"@type": "PropertyValue",
"propertyID": "doi",
"value": "10.3133/pp1688i"
},
"name": "High-resolution seismic-reflection image of the Chesapeake Bay impact structure, NASA Langley Research Center, Hampton, Virginia"
},
{
"@id": "https://doi.org/10.3133/pp1688b",
"@type": "CreativeWork",
"identifier": {
"@type": "PropertyValue",
"propertyID": "doi",
"value": "10.3133/pp1688b"
},
"name": "Petrography, structure, age, and thermal history of granitic coastal plain basement in the Chesapeake Bay impact structure, USGS-NASA Langley core, Hampton, Virginia"
},
{
"@id": "https://doi.org/10.3133/pp1688a",
"@type": "CreativeWork",
"identifier": {
"@type": "PropertyValue",
"propertyID": "doi",
"value": "10.3133/pp1688a"
},
"name": "Studies of the Chesapeake Bay impact structure - Introduction and discussion"
},
{
"@id": "https://doi.org/10.3133/pp1688",
"@type": "CreativeWork",
"identifier": {
"@type": "PropertyValue",
"propertyID": "doi",
"value": "10.3133/pp1688"
},
"name": "Studies of the Chesapeake Bay impact structure: The USGS-NASA Langley corehole, Hampton, Virginia, and related coreholes and geophysical surveys"
},
{
"@id": "https://doi.org/10.3133/ofr0187ab",
"@type": "CreativeWork",
"identifier": {
"@type": "PropertyValue",
"propertyID": "doi",
"value": "10.3133/ofr0187ab"
},
"name": "Preliminary report on the USGS-NASA Langley Corehole -- the Chesapeake Bay Impact Crater Project: A. Operational summary for the USGS -- NASA Langley Corehole, Hampton, Virginia. B. Preliminary geologic summary for the USGS -- NASA Langley Corehol, Hampton, Virginia"
},
{
"@id": "https://doi.org/10.3133/pp1622",
"@type": "CreativeWork",
"identifier": {
"@type": "PropertyValue",
"propertyID": "doi",
"value": "10.3133/pp1622"
},
"name": "The effects of the Chesapeake Bay impact crater on the geologic framework and the correlation of hydrogeologic units of southeastern Virginia, south of the James River"
},
{
"@id": "https://doi.org/10.3133/pp1612",
"@type": "CreativeWork",
"identifier": {
"@type": "PropertyValue",
"propertyID": "doi",
"value": "10.3133/pp1612"
},
"name": "The effects of the Chesapeake Bay impact crater on the geological framework and correlation of hydrogeologic units of the lower York-James Peninsula, Virginia"
},
{
"@id": "https://doi.org/10.3133/ofr97279",
"@type": "CreativeWork",
"identifier": {
"@type": "PropertyValue",
"propertyID": "doi",
"value": "10.3133/ofr97279"
},
"name": "Palynostratigraphy of Cretaceous and Quaternary strata in the Robins Point corehole, Aberdeen Proving Ground, Harford County, Maryland"
},
{
"@id": "https://doi.org/10.3133/pp1489",
"@type": "CreativeWork",
"identifier": {
"@type": "PropertyValue",
"propertyID": "doi",
"value": "10.3133/pp1489"
},
"name": "Geology and paleontology of the Haynesville cores: Northeastern Virginia coastal plain"
}
]
},
"@type": "Person",
"familyName": "Powars",
"givenName": "David",
"mainEntityOfPage": "https://orcid.org/0000-0002-6787-8964"
},
"OpenAlex": {
"created_date": "2023-07-21",
"display_name": "David S. Powars",
"display_name_alternatives": [
"Davids Powars",
"David S. Powars",
"D. S. Powars",
"D. Powars"
],
"ids": {
"openalex": "https://openalex.org/A5019368540",
"orcid": "https://orcid.org/0000-0002-6787-8964"
},
"last_known_institutions": [
{
"country_code": "US",
"display_name": "United States Geological Survey",
"id": "https://openalex.org/I1286329397",
"lineage": [
"https://openalex.org/I1286329397",
"https://openalex.org/I1335927249"
],
"ror": "https://ror.org/035a68863",
"type": "government"
}
],
"orcid": "https://orcid.org/0000-0002-6787-8964",
"topics": [
{
"count": 61,
"display_name": "Climate Change and Paleoclimatology",
"domain": {
"display_name": "Physical Sciences",
"id": "https://openalex.org/domains/3"
},
"field": {
"display_name": "Earth and Planetary Sciences",
"id": "https://openalex.org/fields/19"
},
"id": "https://openalex.org/T10017",
"subfield": {
"display_name": "Atmospheric Science",
"id": "https://openalex.org/subfields/1902"
}
},
{
"count": 40,
"display_name": "Exploration and Study of Mars",
"domain": {
"display_name": "Physical Sciences",
"id": "https://openalex.org/domains/3"
},
"field": {
"display_name": "Physics and Astronomy",
"id": "https://openalex.org/fields/31"
},
"id": "https://openalex.org/T10406",
"subfield": {
"display_name": "Astronomy and Astrophysics",
"id": "https://openalex.org/subfields/3103"
}
},
{
"count": 17,
"display_name": "Formation and Evolution of the Solar System",
"domain": {
"display_name": "Physical Sciences",
"id": "https://openalex.org/domains/3"
},
"field": {
"display_name": "Physics and Astronomy",
"id": "https://openalex.org/fields/31"
},
"id": "https://openalex.org/T10325",
"subfield": {
"display_name": "Astronomy and Astrophysics",
"id": "https://openalex.org/subfields/3103"
}
},
{
"count": 16,
"display_name": "Seismicity and Tectonic Plate Interactions",
"domain": {
"display_name": "Physical Sciences",
"id": "https://openalex.org/domains/3"
},
"field": {
"display_name": "Earth and Planetary Sciences",
"id": "https://openalex.org/fields/19"
},
"id": "https://openalex.org/T10110",
"subfield": {
"display_name": "Geophysics",
"id": "https://openalex.org/subfields/1908"
}
},
{
"count": 15,
"display_name": "Anaerobic Methane Oxidation and Gas Hydrates",
"domain": {
"display_name": "Physical Sciences",
"id": "https://openalex.org/domains/3"
},
"field": {
"display_name": "Environmental Science",
"id": "https://openalex.org/fields/23"
},
"id": "https://openalex.org/T10995",
"subfield": {
"display_name": "Environmental Chemistry",
"id": "https://openalex.org/subfields/2304"
}
},
{
"count": 15,
"display_name": "Sedimentary Processes in Earth's Geology",
"domain": {
"display_name": "Physical Sciences",
"id": "https://openalex.org/domains/3"
},
"field": {
"display_name": "Earth and Planetary Sciences",
"id": "https://openalex.org/fields/19"
},
"id": "https://openalex.org/T10965",
"subfield": {
"display_name": "Earth-Surface Processes",
"id": "https://openalex.org/subfields/1904"
}
},
{
"count": 10,
"display_name": "High-Resolution Seismic Noise Tomography",
"domain": {
"display_name": "Physical Sciences",
"id": "https://openalex.org/domains/3"
},
"field": {
"display_name": "Earth and Planetary Sciences",
"id": "https://openalex.org/fields/19"
},
"id": "https://openalex.org/T11757",
"subfield": {
"display_name": "Geophysics",
"id": "https://openalex.org/subfields/1908"
}
},
{
"count": 8,
"display_name": "Water Quality and Hydrogeology Research",
"domain": {
"display_name": "Physical Sciences",
"id": "https://openalex.org/domains/3"
},
"field": {
"display_name": "Environmental Science",
"id": "https://openalex.org/fields/23"
},
"id": "https://openalex.org/T12773",
"subfield": {
"display_name": "Water Science and Technology",
"id": "https://openalex.org/subfields/2312"
}
},
{
"count": 7,
"display_name": "Machine Learning for Mineral Prospectivity Mapping",
"domain": {
"display_name": "Physical Sciences",
"id": "https://openalex.org/domains/3"
},
"field": {
"display_name": "Computer Science",
"id": "https://openalex.org/fields/17"
},
"id": "https://openalex.org/T12157",
"subfield": {
"display_name": "Artificial Intelligence",
"id": "https://openalex.org/subfields/1702"
}
},
{
"count": 7,
"display_name": "Paleoredox and Paleoproductivity Proxies",
"domain": {
"display_name": "Physical Sciences",
"id": "https://openalex.org/domains/3"
},
"field": {
"display_name": "Earth and Planetary Sciences",
"id": "https://openalex.org/fields/19"
},
"id": "https://openalex.org/T10109",
"subfield": {
"display_name": "Paleontology",
"id": "https://openalex.org/subfields/1911"
}
},
{
"count": 6,
"display_name": "Geological Modeling and Uncertainty Analysis",
"domain": {
"display_name": "Physical Sciences",
"id": "https://openalex.org/domains/3"
},
"field": {
"display_name": "Earth and Planetary Sciences",
"id": "https://openalex.org/fields/19"
},
"id": "https://openalex.org/T13067",
"subfield": {
"display_name": "Geochemistry and Petrology",
"id": "https://openalex.org/subfields/1906"
}
},
{
"count": 6,
"display_name": "Application of Stable Isotopes in Trophic Ecology",
"domain": {
"display_name": "Physical Sciences",
"id": "https://openalex.org/domains/3"
},
"field": {
"display_name": "Environmental Science",
"id": "https://openalex.org/fields/23"
},
"id": "https://openalex.org/T12073",
"subfield": {
"display_name": "Ecology",
"id": "https://openalex.org/subfields/2303"
}
},
{
"count": 6,
"display_name": "Diversity and Applications of Cyperus Species",
"domain": {
"display_name": "Life Sciences",
"id": "https://openalex.org/domains/1"
},
"field": {
"display_name": "Agricultural and Biological Sciences",
"id": "https://openalex.org/fields/11"
},
"id": "https://openalex.org/T13015",
"subfield": {
"display_name": "Plant Science",
"id": "https://openalex.org/subfields/1110"
}
},
{
"count": 6,
"display_name": "Machine Learning for Earthquake Early Warning Systems",
"domain": {
"display_name": "Physical Sciences",
"id": "https://openalex.org/domains/3"
},
"field": {
"display_name": "Computer Science",
"id": "https://openalex.org/fields/17"
},
"id": "https://openalex.org/T13018",
"subfield": {
"display_name": "Artificial Intelligence",
"id": "https://openalex.org/subfields/1702"
}
},
{
"count": 5,
"display_name": "Resilience of Traditional Irrigation Communities in Southwest USA",
"domain": {
"display_name": "Social Sciences",
"id": "https://openalex.org/domains/2"
},
"field": {
"display_name": "Social Sciences",
"id": "https://openalex.org/fields/33"
},
"id": "https://openalex.org/T13939",
"subfield": {
"display_name": "Anthropology",
"id": "https://openalex.org/subfields/3314"
}
},
{
"count": 4,
"display_name": "Tectonic and Geochronological Evolution of Orogens",
"domain": {
"display_name": "Physical Sciences",
"id": "https://openalex.org/domains/3"
},
"field": {
"display_name": "Earth and Planetary Sciences",
"id": "https://openalex.org/fields/19"
},
"id": "https://openalex.org/T10001",
"subfield": {
"display_name": "Geophysics",
"id": "https://openalex.org/subfields/1908"
}
},
{
"count": 3,
"display_name": "Stable Isotope Analysis of Groundwater and Precipitation",
"domain": {
"display_name": "Physical Sciences",
"id": "https://openalex.org/domains/3"
},
"field": {
"display_name": "Earth and Planetary Sciences",
"id": "https://openalex.org/fields/19"
},
"id": "https://openalex.org/T10398",
"subfield": {
"display_name": "Geochemistry and Petrology",
"id": "https://openalex.org/subfields/1906"
}
},
{
"count": 3,
"display_name": "Magnetosome Formation in Prokaryotes",
"domain": {
"display_name": "Life Sciences",
"id": "https://openalex.org/domains/1"
},
"field": {
"display_name": "Biochemistry, Genetics and Molecular Biology",
"id": "https://openalex.org/fields/13"
},
"id": "https://openalex.org/T11786",
"subfield": {
"display_name": "Molecular Biology",
"id": "https://openalex.org/subfields/1312"
}
},
{
"count": 3,
"display_name": "Space Suit Design and Ergonomics for EVA",
"domain": {
"display_name": "Physical Sciences",
"id": "https://openalex.org/domains/3"
},
"field": {
"display_name": "Engineering",
"id": "https://openalex.org/fields/22"
},
"id": "https://openalex.org/T14214",
"subfield": {
"display_name": "Aerospace Engineering",
"id": "https://openalex.org/subfields/2202"
}
},
{
"count": 3,
"display_name": "Marine Biodiversity and Ecosystem Functioning",
"domain": {
"display_name": "Physical Sciences",
"id": "https://openalex.org/domains/3"
},
"field": {
"display_name": "Earth and Planetary Sciences",
"id": "https://openalex.org/fields/19"
},
"id": "https://openalex.org/T10765",
"subfield": {
"display_name": "Oceanography",
"id": "https://openalex.org/subfields/1910"
}
},
{
"count": 3,
"display_name": "Landslide Hazards and Risk Assessment",
"domain": {
"display_name": "Physical Sciences",
"id": "https://openalex.org/domains/3"
},
"field": {
"display_name": "Environmental Science",
"id": "https://openalex.org/fields/23"
},
"id": "https://openalex.org/T10535",
"subfield": {
"display_name": "Management, Monitoring, Policy and Law",
"id": "https://openalex.org/subfields/2308"
}
},
{
"count": 3,
"display_name": "Groundwater Flow and Transport Modeling",
"domain": {
"display_name": "Physical Sciences",
"id": "https://openalex.org/domains/3"
},
"field": {
"display_name": "Environmental Science",
"id": "https://openalex.org/fields/23"
},
"id": "https://openalex.org/T10894",
"subfield": {
"display_name": "Environmental Engineering",
"id": "https://openalex.org/subfields/2305"
}
},
{
"count": 2,
"display_name": "Applications of Ground-Penetrating Radar in Geoscience and Engineering",
"domain": {
"display_name": "Physical Sciences",
"id": "https://openalex.org/domains/3"
},
"field": {
"display_name": "Engineering",
"id": "https://openalex.org/fields/22"
},
"id": "https://openalex.org/T11609",
"subfield": {
"display_name": "Ocean Engineering",
"id": "https://openalex.org/subfields/2212"
}
},
{
"count": 2,
"display_name": "Geological Evolution of the Arctic Region",
"domain": {
"display_name": "Physical Sciences",
"id": "https://openalex.org/domains/3"
},
"field": {
"display_name": "Earth and Planetary Sciences",
"id": "https://openalex.org/fields/19"
},
"id": "https://openalex.org/T13193",
"subfield": {
"display_name": "Geology",
"id": "https://openalex.org/subfields/1907"
}
},
{
"count": 1,
"display_name": "Cephalopod Biology and Behavior",
"domain": {
"display_name": "Life Sciences",
"id": "https://openalex.org/domains/1"
},
"field": {
"display_name": "Agricultural and Biological Sciences",
"id": "https://openalex.org/fields/11"
},
"id": "https://openalex.org/T12596",
"subfield": {
"display_name": "Ecology, Evolution, Behavior and Systematics",
"id": "https://openalex.org/subfields/1105"
}
}
],
"updated_date": "2024-05-17T23:26:04.034658"
}
}