{
"USGS Staff Profile": {
"@context": "https://schema.org",
"@type": "Person",
"dateModified": "2024-09-21T07:58:36.207236",
"name": "Michael J Stephens",
"identifier": [
{
"@type": "PropertyValue",
"propertyID": "ORCID",
"value": "0000-0001-8995-9928"
}
],
"jobTitle": "Hydrologist",
"hasOccupation": [
{
"@type": "OrganizationalRole",
"startDate": "2024-09-21T07:58:36.251973",
"affiliatedOrganization": {
"@type": "Organization",
"name": "California Water Science Center",
"url": "https://www.usgs.gov/centers/california-water-science-center"
},
"roleName": "Hydrologist"
}
],
"description": [
{
"@type": "TextObject",
"additionalType": "short description",
"abstract": "Hydrologist with the California Water Science Center"
},
{
"@type": "TextObject",
"additionalType": "staff profile page introductory statement",
"abstract": "Michael is a hydrogeologist in the California Water Science Center."
},
{
"@type": "TextObject",
"additionalType": "personal statement",
"abstract": "He works on the California Oil, Gas, and Groundwater program, where the goal is to answer questions about the impacts of oil and gas development on water resources in the state. He focuses on using geophysics, geochemistry, and geostatistics to map groundwater salinity in and around oil fields to indentify groundwater resources."
}
],
"email": "mjstephens@usgs.gov",
"url": "https://www.usgs.gov/staff-profiles/michael-j-stephens",
"affiliation": [],
"hasCredential": [],
"knowsAbout": [
{
"@type": "Thing",
"additionalType": "self-claimed expertise",
"name": "Borehole geophysics"
},
{
"@type": "Thing",
"additionalType": "self-claimed expertise",
"name": "Geostatistics"
},
{
"@type": "Thing",
"additionalType": "self-claimed expertise",
"name": "Groundwater quality"
},
{
"@type": "Thing",
"additionalType": "self-claimed expertise",
"name": "Oil and gas"
}
],
"memberOf": {
"@type": "OrganizationalRole",
"name": "staff member",
"member": {
"@type": "Organization",
"name": "U.S. Geological Survey"
},
"startDate": "2024-09-21T07:58:36.207239"
}
},
"ORCID": {
"@context": "http://schema.org",
"@id": "https://orcid.org/0000-0001-8995-9928",
"@reverse": {
"creator": [
{
"@id": "https://doi.org/10.3133/ofr20231047",
"@type": "CreativeWork",
"identifier": {
"@type": "PropertyValue",
"propertyID": "doi",
"value": "10.3133/ofr20231047"
},
"name": "Multiple-well monitoring site within the Poso Creek Oil Field, Kern County, California"
},
{
"@id": "https://doi.org/10.1007/s12665-022-10362-4",
"@type": "CreativeWork",
"identifier": [
{
"@type": "PropertyValue",
"propertyID": "doi",
"value": "10.1007/s12665-022-10362-4"
},
{
"@type": "PropertyValue",
"propertyID": "eid",
"value": "2-s2.0-85130982941"
}
],
"name": "Geologic controls on groundwater salinity reversal in North Coles Levee Oil Field, southern San Joaquin Valley, California, USA"
},
{
"@id": "https://doi.org/10.1371/journal.pone.0263477",
"@type": "CreativeWork",
"identifier": [
{
"@type": "PropertyValue",
"propertyID": "doi",
"value": "10.1371/journal.pone.0263477"
},
{
"@type": "PropertyValue",
"propertyID": "eid",
"value": "2-s2.0-85127260660"
}
],
"name": "Mapping aquifer salinity gradients and effects of oil field produced water disposal using geophysical logs: Elk Hills, Buena Vista and Coles Levee Oil Fields, San Joaquin Valley, California"
},
{
"@id": "https://doi.org/10.1007/s10040-021-02443-8",
"@type": "CreativeWork",
"identifier": {
"@type": "PropertyValue",
"propertyID": "doi",
"value": "10.1007/s10040-021-02443-8"
},
"name": "Correction: Stratigraphic and structural controls on groundwater salinity variations in the Poso Creek Oil Field, Kern County, California, USA"
},
{
"@id": "https://doi.org/10.3133/dr1155",
"@type": "CreativeWork",
"identifier": {
"@type": "PropertyValue",
"propertyID": "doi",
"value": "10.3133/dr1155"
},
"name": "Airborne electromagnetic survey results near the Poso Creek oil field, San Joaquin Valley, California, fall 2016"
},
{
"@id": "https://doi.org/10.1007/s10040-021-02381-5",
"@type": "CreativeWork",
"identifier": [
{
"@type": "PropertyValue",
"propertyID": "doi",
"value": "10.1007/s10040-021-02381-5"
},
{
"@type": "PropertyValue",
"propertyID": "eid",
"value": "2-s2.0-85115072154"
}
],
"name": "Stratigraphic and structural controls on groundwater salinity variations in the Poso Creek Oil Field, Kern County, California, USA"
},
{
"@id": "https://doi.org/10.1016/j.scitotenv.2020.144822",
"@type": "CreativeWork",
"identifier": [
{
"@type": "PropertyValue",
"propertyID": "eid",
"value": "2-s2.0-85100820894"
},
{
"@type": "PropertyValue",
"propertyID": "doi",
"value": "10.1016/j.scitotenv.2020.144822"
}
],
"name": "Groundwater Quality of Aquifers Overlying the Oxnard Oil Field, Ventura County, California"
},
{
"@id": "https://doi.org/10.1029/2019gc008552",
"@type": "CreativeWork",
"identifier": [
{
"@type": "PropertyValue",
"propertyID": "eid",
"value": "2-s2.0-85074820618"
},
{
"@type": "PropertyValue",
"propertyID": "doi",
"value": "10.1029/2019gc008552"
}
],
"name": "A Novel Method for the Extraction, Purification, and Characterization of Noble Gases in Produced Fluids"
},
{
"@id": "https://doi.org/10.1306/eg.02271918009",
"@type": "CreativeWork",
"identifier": [
{
"@type": "PropertyValue",
"propertyID": "eid",
"value": "2-s2.0-85075363510"
},
{
"@type": "PropertyValue",
"propertyID": "doi",
"value": "10.1306/eg.02271918009"
}
],
"name": "Groundwater salinity and the effects of produced water disposal in the Lost Hills\u2013Belridge oil fields, Kern County, California"
},
{
"@id": "https://doi.org/10.1007/s10040-018-1872-5",
"@type": "CreativeWork",
"identifier": [
{
"@type": "PropertyValue",
"propertyID": "doi",
"value": "10.1007/s10040-018-1872-5"
},
{
"@type": "PropertyValue",
"propertyID": "eid",
"value": "2-s2.0-85053879197"
}
],
"name": "Groundwater salinity mapping using geophysical log analysis within the Fruitvale and Rosedale Ranch oil fields, Kern County, California, USA"
},
{
"@id": "https://doi.org/10.5066/p9ktycnc",
"@type": "CreativeWork",
"identifier": {
"@type": "PropertyValue",
"propertyID": "doi",
"value": "10.5066/p9ktycnc"
},
"name": "Geochemical and geophysical data for selected wells in and surrounding the South Cuyama oil and gas field"
},
{
"@id": "https://doi.org/10.5066/p90qh6ci",
"@type": "CreativeWork",
"identifier": {
"@type": "PropertyValue",
"propertyID": "doi",
"value": "10.5066/p90qh6ci"
},
"name": "Geological, geochemical, and geophysical data from the Lost Hills and Belridge oil fields"
},
{
"@id": "https://doi.org/10.5066/f7s181ph",
"@type": "CreativeWork",
"identifier": {
"@type": "PropertyValue",
"propertyID": "doi",
"value": "10.5066/f7s181ph"
},
"name": "Geochemical and geophysical data for wells in the Fruitvale and Rosedale Ranch oil and gas fields, Kern County, California, USA"
},
{
"@id": "https://doi.org/10.5066/p9rr9uyn",
"@type": "CreativeWork",
"identifier": {
"@type": "PropertyValue",
"propertyID": "doi",
"value": "10.5066/p9rr9uyn"
},
"name": "Geochemical, geological, and geophysical data for wells in the Poso Creek oil and gas field, Kern County, California"
},
{
"@id": "https://doi.org/10.5066/p9i0q1b2",
"@type": "CreativeWork",
"identifier": {
"@type": "PropertyValue",
"propertyID": "doi",
"value": "10.5066/p9i0q1b2"
},
"name": "Geophysical and geochemical data for salinity mapping in the Midway-Sunset oil field area"
},
{
"@type": "CreativeWork",
"name": "Tracing enhanced oil recovery signatures in casing gases from the Lost Hills oil field using noble gases"
},
{
"@id": "https://doi.org/10.1016/j.epsl.2018.05.028",
"@type": "CreativeWork",
"identifier": [
{
"@type": "PropertyValue",
"propertyID": "doi",
"value": "10.1016/j.epsl.2018.05.028"
},
{
"@type": "PropertyValue",
"propertyID": "eid",
"value": "2-s2.0-85047631130"
}
],
"name": "Tracing enhanced oil recovery signatures in casing gases from the Lost Hills oil field using noble gases"
}
]
},
"@type": "Person",
"familyName": "Stephens",
"givenName": "Michael J",
"identifier": {
"@type": "PropertyValue",
"propertyID": "Scopus Author ID",
"value": "57202254618"
},
"mainEntityOfPage": "https://orcid.org/0000-0001-8995-9928",
"url": "https://www.usgs.gov/staff-profiles/michael-stephens"
},
"OpenAlex": {
"created_date": "2023-07-21",
"display_name": "Michael J. Stephens",
"display_name_alternatives": [
"Michael Stephens",
"M. Stephens",
"M. J. Stephens",
"Michael Jerome Stephens",
"Michael J. Stephens"
],
"ids": {
"openalex": "https://openalex.org/A5032408162",
"orcid": "https://orcid.org/0000-0001-8995-9928"
},
"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/0000-0001-8995-9928",
"topics": [
{
"count": 10,
"display_name": "Characterization of Shale Gas Pore Structure",
"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/T10399",
"subfield": {
"display_name": "Mechanics of Materials",
"id": "https://openalex.org/subfields/2211"
}
},
{
"count": 7,
"display_name": "Geophysical Exploration and Monitoring Techniques",
"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/T10572",
"subfield": {
"display_name": "Geophysics",
"id": "https://openalex.org/subfields/1908"
}
},
{
"count": 6,
"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": 6,
"display_name": "Hydraulic Fracturing in Shale Gas Reservoirs",
"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/T10635",
"subfield": {
"display_name": "Mechanical Engineering",
"id": "https://openalex.org/subfields/2210"
}
},
{
"count": 6,
"display_name": "Global Methane Emissions and Impacts",
"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/T11588",
"subfield": {
"display_name": "Global and Planetary Change",
"id": "https://openalex.org/subfields/2306"
}
},
{
"count": 6,
"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": 5,
"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": 3,
"display_name": "Advanced Techniques in Reservoir Management",
"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/T11801",
"subfield": {
"display_name": "Ocean Engineering",
"id": "https://openalex.org/subfields/2212"
}
},
{
"count": 3,
"display_name": "Seismic Waveform Inversion in Geophysics",
"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/T10271",
"subfield": {
"display_name": "Geophysics",
"id": "https://openalex.org/subfields/1908"
}
},
{
"count": 2,
"display_name": "Adolescent Sexual Health and Behavior Patterns",
"domain": {
"display_name": "Health Sciences",
"id": "https://openalex.org/domains/4"
},
"field": {
"display_name": "Health Professions",
"id": "https://openalex.org/fields/36"
},
"id": "https://openalex.org/T10327",
"subfield": {
"display_name": "General Health Professions",
"id": "https://openalex.org/subfields/3600"
}
},
{
"count": 2,
"display_name": "Intersectionality in LGBTQ+ Mental Health",
"domain": {
"display_name": "Social Sciences",
"id": "https://openalex.org/domains/2"
},
"field": {
"display_name": "Psychology",
"id": "https://openalex.org/fields/32"
},
"id": "https://openalex.org/T10156",
"subfield": {
"display_name": "Social Psychology",
"id": "https://openalex.org/subfields/3207"
}
},
{
"count": 2,
"display_name": "Drilling Fluid Technology and Well Integrity",
"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/T10892",
"subfield": {
"display_name": "Ocean Engineering",
"id": "https://openalex.org/subfields/2212"
}
},
{
"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": "Prevention and Treatment of HIV/AIDS Infection",
"domain": {
"display_name": "Health Sciences",
"id": "https://openalex.org/domains/4"
},
"field": {
"display_name": "Medicine",
"id": "https://openalex.org/fields/27"
},
"id": "https://openalex.org/T10082",
"subfield": {
"display_name": "Infectious Diseases",
"id": "https://openalex.org/subfields/2725"
}
},
{
"count": 1,
"display_name": "Evolution and Impact of E-Government Initiatives",
"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/T10953",
"subfield": {
"display_name": "Political Science and International Relations",
"id": "https://openalex.org/subfields/3320"
}
},
{
"count": 1,
"display_name": "Moral Distress in Healthcare Professionals",
"domain": {
"display_name": "Health Sciences",
"id": "https://openalex.org/domains/4"
},
"field": {
"display_name": "Health Professions",
"id": "https://openalex.org/fields/36"
},
"id": "https://openalex.org/T11537",
"subfield": {
"display_name": "General Health Professions",
"id": "https://openalex.org/subfields/3600"
}
},
{
"count": 1,
"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": 1,
"display_name": "Hypersexual Disorder and Pornography Consumption",
"domain": {
"display_name": "Social Sciences",
"id": "https://openalex.org/domains/2"
},
"field": {
"display_name": "Psychology",
"id": "https://openalex.org/fields/32"
},
"id": "https://openalex.org/T12335",
"subfield": {
"display_name": "Clinical Psychology",
"id": "https://openalex.org/subfields/3203"
}
},
{
"count": 1,
"display_name": "Extremum Seeking Control in Dynamic Systems",
"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/T14083",
"subfield": {
"display_name": "Control and Systems Engineering",
"id": "https://openalex.org/subfields/2207"
}
},
{
"count": 1,
"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": 1,
"display_name": "Unmanned Aerial Vehicles for Wind Estimation and Soaring",
"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/T12125",
"subfield": {
"display_name": "Aerospace Engineering",
"id": "https://openalex.org/subfields/2202"
}
},
{
"count": 1,
"display_name": "Race, Politics, and Society in Cuba",
"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/T12375",
"subfield": {
"display_name": "Sociology and Political Science",
"id": "https://openalex.org/subfields/3312"
}
},
{
"count": 1,
"display_name": "Neuroscience of Moral Judgment and Disgust",
"domain": {
"display_name": "Life Sciences",
"id": "https://openalex.org/domains/1"
},
"field": {
"display_name": "Neuroscience",
"id": "https://openalex.org/fields/28"
},
"id": "https://openalex.org/T12520",
"subfield": {
"display_name": "Cognitive Neuroscience",
"id": "https://openalex.org/subfields/2805"
}
},
{
"count": 1,
"display_name": "Tectonic Evolution of Carpathian-Pannonian 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/T12821",
"subfield": {
"display_name": "Geophysics",
"id": "https://openalex.org/subfields/1908"
}
},
{
"count": 1,
"display_name": "History and Culture of Mormonism in America",
"domain": {
"display_name": "Social Sciences",
"id": "https://openalex.org/domains/2"
},
"field": {
"display_name": "Arts and Humanities",
"id": "https://openalex.org/fields/12"
},
"id": "https://openalex.org/T13750",
"subfield": {
"display_name": "History",
"id": "https://openalex.org/subfields/1202"
}
}
],
"updated_date": "2024-05-23T17:04:18.630935"
}
}