Item talk:Q47300
From geokb
{
"USGS Staff Profile": {
"@context": "https://schema.org",
"@type": "Person",
"dateModified": "2024-09-21T07:57:15.033122",
"name": "Greg Koltun",
"identifier": [
{
"@type": "PropertyValue",
"propertyID": "ORCID",
"value": "0000-0003-0255-2960"
}
],
"jobTitle": "Hydrologist (Emeritus)",
"hasOccupation": [
{
"@type": "OrganizationalRole",
"startDate": "2024-09-21T07:57:15.039438",
"affiliatedOrganization": {
"@type": "Organization",
"name": "Ohio-Kentucky-Indiana Water Science Center",
"url": "https://www.usgs.gov/centers/oki-water"
},
"roleName": "Hydrologist (Emeritus)"
}
],
"description": [
{
"@type": "TextObject",
"additionalType": "short description",
"abstract": "Hydrologist (Emeritus) with the Ohio-Kentucky-Indiana Water Science Center"
},
{
"@type": "TextObject",
"additionalType": "staff profile page introductory statement",
"abstract": "Greg is an Emeritus Hydrologist and surface-water specialist for the Ohio-Kentucky-Indiana Water Science Center."
},
{
"@type": "TextObject",
"additionalType": "personal statement",
"abstract": "He received a B.S. in microbiology and an M.S. in civil engineering from the Ohio State University and has worked on a wide array of research, including topics in hydrology, hydraulics, water quality, water use, modeling, and applied statistics. Greg teaches a USGS national training course on sediment and chemical loading computation methods and was an adjunct professor at the Ohio State University where he taught applied hydrology."
}
],
"email": "gfkoltun@usgs.gov",
"url": "https://www.usgs.gov/staff-profiles/greg-koltun",
"affiliation": [],
"hasCredential": [],
"knowsAbout": [
{
"@type": "Thing",
"additionalType": "self-claimed expertise",
"name": "hydrology"
},
{
"@type": "Thing",
"additionalType": "self-claimed expertise",
"name": "hydraulics"
},
{
"@type": "Thing",
"additionalType": "self-claimed expertise",
"name": "statistics"
},
{
"@type": "Thing",
"additionalType": "self-claimed expertise",
"name": "loading calculation methods"
},
{
"@type": "Thing",
"additionalType": "self-claimed expertise",
"name": "dye tracer studies"
}
],
"memberOf": {
"@type": "OrganizationalRole",
"name": "staff member",
"member": {
"@type": "Organization",
"name": "U.S. Geological Survey"
},
"startDate": "2024-09-21T07:57:15.033126"
}
},
"ORCID": {
"@context": "http://schema.org",
"@id": "https://orcid.org/0000-0003-0255-2960",
"@reverse": {
"creator": [
{
"@id": "https://doi.org/10.3133/fs20233009",
"@type": "CreativeWork",
"identifier": {
"@type": "PropertyValue",
"propertyID": "doi",
"value": "10.3133/fs20233009"
},
"name": "Potential drivers of change in fluxes of nutrients and total suspended solids in the upper White River Basin, Indiana, Water Years 1997\u20132019"
},
{
"@id": "https://doi.org/10.3133/sir20235025",
"@type": "CreativeWork",
"identifier": {
"@type": "PropertyValue",
"propertyID": "doi",
"value": "10.3133/sir20235025"
},
"name": "Trends in environmental, anthropogenic, and water-quality characteristics in the upper White River Basin, Indiana"
},
{
"@id": "https://doi.org/10.3133/sir20215114",
"@type": "CreativeWork",
"identifier": {
"@type": "PropertyValue",
"propertyID": "doi",
"value": "10.3133/sir20215114"
},
"name": "Assessment of runoff volume reduction associated with soil amendments added to portions of highway median-strip catchments in Ohio, 2018\u201320"
},
{
"@id": "https://doi.org/10.3133/ofr20201145",
"@type": "CreativeWork",
"identifier": {
"@type": "PropertyValue",
"propertyID": "doi",
"value": "10.3133/ofr20201145"
},
"name": "Estimated total phosphorus loads for selected sites on Great Lakes tributaries, water years 2014\u20132018"
},
{
"@id": "https://doi.org/10.3133/fs20203030",
"@type": "CreativeWork",
"identifier": {
"@type": "PropertyValue",
"propertyID": "doi",
"value": "10.3133/fs20203030"
},
"name": "Trends in streamflow, nutrients, and total suspended solids in the Upper White River Basin, Indiana"
},
{
"@id": "https://doi.org/10.3133/sir20195018",
"@type": "CreativeWork",
"identifier": {
"@type": "PropertyValue",
"propertyID": "doi",
"value": "10.3133/sir20195018"
},
"name": "Flood-frequency estimates for Ohio streamgages based on data through water year 2015 and techniques for estimating flood-frequency characteristics of rural, unregulated Ohio streams"
},
{
"@id": "https://doi.org/10.3133/sir20195119",
"@type": "CreativeWork",
"identifier": {
"@type": "PropertyValue",
"propertyID": "doi",
"value": "10.3133/sir20195119"
},
"name": "Trends in streamflow and concentrations and flux of nutrients and total suspended solids in the Upper White River at Muncie, near Nora, and near Centerton, Indiana"
},
{
"@id": "https://doi.org/10.3133/sir20165077",
"@type": "CreativeWork",
"identifier": {
"@type": "PropertyValue",
"propertyID": "doi",
"value": "10.3133/sir20165077"
},
"name": "Estimation of upstream water use with Ohio\u2019s StreamStats application"
},
{
"@id": "https://doi.org/10.3133/sir20155187",
"@type": "CreativeWork",
"identifier": {
"@type": "PropertyValue",
"propertyID": "doi",
"value": "10.3133/sir20155187"
},
"name": "Hydrologic and hydraulic analyses for the Black Fork Mohican River Basin in and near Shelby, Ohio"
},
{
"@id": "https://doi.org/10.3133/ofr20151058",
"@type": "CreativeWork",
"identifier": {
"@type": "PropertyValue",
"propertyID": "doi",
"value": "10.3133/ofr20151058"
},
"name": "An evaluation of the accuracy of modeled and computed streamflow time-series data for the Ohio River at Hannibal Lock and Dam and at a location upstream from Sardis, Ohio"
},
{
"@id": "https://doi.org/10.3133/sir20155024",
"@type": "CreativeWork",
"identifier": {
"@type": "PropertyValue",
"propertyID": "doi",
"value": "10.3133/sir20155024"
},
"name": "Hydrologic effects of potential changes in climate, water use, and land cover in the Upper Scioto River Basin, Ohio"
},
{
"@id": "https://doi.org/10.3133/sir20145071",
"@type": "CreativeWork",
"identifier": {
"@type": "PropertyValue",
"propertyID": "doi",
"value": "10.3133/sir20145071"
},
"name": "An analysis of potential water availability from the Charles Mill, Clendening, Piedmont, Pleasant Hill, Senecaville, and Wills Creek Lakes in the Muskingum River Watershed, Ohio"
},
{
"@id": "https://doi.org/10.3133/sir20135112",
"@type": "CreativeWork",
"identifier": {
"@type": "PropertyValue",
"propertyID": "doi",
"value": "10.3133/sir20135112"
},
"name": "An analysis of potential water availability from the Atwood, Leesville, and Tappan Lakes in the Muskingum River Watershed, Ohio"
},
{
"@id": "https://doi.org/10.3133/sir20125138",
"@type": "CreativeWork",
"identifier": {
"@type": "PropertyValue",
"propertyID": "doi",
"value": "10.3133/sir20125138"
},
"name": "Methods for estimating selected low-flow statistics and development of annual flow-duration statistics for Ohio"
},
{
"@id": "https://doi.org/10.3133/sir20105020",
"@type": "CreativeWork",
"identifier": {
"@type": "PropertyValue",
"propertyID": "doi",
"value": "10.3133/sir20105020"
},
"name": "Application of AFINCH as a tool for evaluating the effects of streamflow-gaging-network size and composition on the accuracy and precision of streamflow estimates at ungaged locations in the southeast Lake Michigan hydrologic subregion"
},
{
"@id": "https://doi.org/10.3133/ofr20091069",
"@type": "CreativeWork",
"identifier": {
"@type": "PropertyValue",
"propertyID": "doi",
"value": "10.3133/ofr20091069"
},
"name": "Annual Peak-Flow and Peak Dam-Pool-Elevation Frequency Characteristics of Selected Dry Dams in the Great Miami River Basin, Ohio"
},
{
"@id": "https://doi.org/10.3133/sir20095177",
"@type": "CreativeWork",
"identifier": {
"@type": "PropertyValue",
"propertyID": "doi",
"value": "10.3133/sir20095177"
},
"name": "Annual peak-flow frequency characteristics and (or) peak dam-pool-elevation frequency characteristics of dry dams and selected streamflow-gaging stations in the Great Miami River Basin, Ohio"
},
{
"@id": "https://doi.org/10.3133/sir20085133",
"@type": "CreativeWork",
"identifier": {
"@type": "PropertyValue",
"propertyID": "doi",
"value": "10.3133/sir20085133"
},
"name": "Morphological Analyses and Simulated Flood Elevations in a Watershed with Dredged and Leveed Stream Channels, Wheeling Creek, Eastern Ohio"
},
{
"@id": "https://doi.org/10.3133/sir20085173",
"@type": "CreativeWork",
"identifier": {
"@type": "PropertyValue",
"propertyID": "doi",
"value": "10.3133/sir20085173"
},
"name": "Occurrence of organic wastewater compounds in the Tinkers Creek watershed and two other tributaries to the Cuyahoga River, northeast Ohio"
},
{
"@id": "https://doi.org/10.3133/sir20075161",
"@type": "CreativeWork",
"identifier": {
"@type": "PropertyValue",
"propertyID": "doi",
"value": "10.3133/sir20075161"
},
"name": "Flood of June 22-24, 2006, in North-Central Ohio, With Emphasis on the Cuyahoga River Near Independence"
},
{
"@id": "https://doi.org/10.3133/sir20065312",
"@type": "CreativeWork",
"identifier": {
"@type": "PropertyValue",
"propertyID": "doi",
"value": "10.3133/sir20065312"
},
"name": "A Streamflow Statistics (StreamStats) Web Application for Ohio"
},
{
"@id": "https://doi.org/10.3133/tm4c1",
"@type": "CreativeWork",
"identifier": {
"@type": "PropertyValue",
"propertyID": "doi",
"value": "10.3133/tm4c1"
},
"name": "User's manual for the Graphical Constituent Loading Analysis System (GCLAS)"
},
{
"@id": "https://doi.org/10.3133/ofr20061159",
"@type": "CreativeWork",
"identifier": {
"@type": "PropertyValue",
"propertyID": "doi",
"value": "10.3133/ofr20061159"
},
"name": "Velocity, bathymetry, and transverse mixing characteristics of the Ohio River upstream from Cincinnati, Ohio, October 2004\u2013March 2006"
},
{
"@id": "https://doi.org/10.3133/ofr94459",
"@type": "CreativeWork",
"identifier": {
"@type": "PropertyValue",
"propertyID": "doi",
"value": "10.3133/ofr94459"
},
"name": "User's manual for SEDCALC, a computer program for computation of suspended-sediment discharge"
}
]
},
"@type": "Person",
"affiliation": {
"@id": "https://doi.org/10.13039/100000201",
"@type": "Organization",
"name": "U.S. Department of the Interior"
},
"familyName": "Koltun",
"givenName": "Greg",
"mainEntityOfPage": "https://orcid.org/0000-0003-0255-2960"
},
"OpenAlex": {
"created_date": "2023-07-21",
"display_name": "G.F. Koltun",
"display_name_alternatives": [
"Gregory Koltun",
"Gregory F. Koltun",
"G. F. Koltun",
"G Koltun"
],
"ids": {
"openalex": "https://openalex.org/A5091859908",
"orcid": "https://orcid.org/0000-0003-0255-2960"
},
"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/0000-0003-0255-2960",
"topics": [
{
"count": 34,
"display_name": "Hydrological Modeling and Water Resource Management",
"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/T10330",
"subfield": {
"display_name": "Water Science and Technology",
"id": "https://openalex.org/subfields/2312"
}
},
{
"count": 28,
"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": 22,
"display_name": "Ecological Dynamics of Riverine Landscapes",
"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/T10577",
"subfield": {
"display_name": "Ecology",
"id": "https://openalex.org/subfields/2303"
}
},
{
"count": 9,
"display_name": "Global Drought Monitoring and 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/T11186",
"subfield": {
"display_name": "Global and Planetary Change",
"id": "https://openalex.org/subfields/2306"
}
},
{
"count": 7,
"display_name": "Biogeochemical Cycling of Nutrients in Aquatic Ecosystems",
"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/T11311",
"subfield": {
"display_name": "Environmental Chemistry",
"id": "https://openalex.org/subfields/2304"
}
},
{
"count": 6,
"display_name": "Importance and Conservation of Freshwater Biodiversity",
"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/T10302",
"subfield": {
"display_name": "Nature and Landscape Conservation",
"id": "https://openalex.org/subfields/2309"
}
},
{
"count": 4,
"display_name": "Global Flood Risk Assessment and Management",
"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/T10930",
"subfield": {
"display_name": "Global and Planetary Change",
"id": "https://openalex.org/subfields/2306"
}
},
{
"count": 3,
"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": 3,
"display_name": "Soil Erosion and Agricultural Sustainability",
"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/T10889",
"subfield": {
"display_name": "Soil Science",
"id": "https://openalex.org/subfields/1111"
}
},
{
"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": 3,
"display_name": "Urban Stormwater Management and Sustainable Drainage Systems",
"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/T11119",
"subfield": {
"display_name": "Environmental Engineering",
"id": "https://openalex.org/subfields/2305"
}
},
{
"count": 2,
"display_name": "Waterborne Disease Outbreaks and Pathogen Transport",
"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/T11331",
"subfield": {
"display_name": "Water Science and Technology",
"id": "https://openalex.org/subfields/2312"
}
},
{
"count": 1,
"display_name": "Design for Manufacture and Assembly in Manufacturing",
"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/T11159",
"subfield": {
"display_name": "Industrial and Manufacturing Engineering",
"id": "https://openalex.org/subfields/2209"
}
},
{
"count": 1,
"display_name": "Positron Emission Tomography Imaging in Oncology",
"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/T10522",
"subfield": {
"display_name": "Radiology, Nuclear Medicine and Imaging",
"id": "https://openalex.org/subfields/2741"
}
},
{
"count": 1,
"display_name": "Factors Affecting Sagebrush Ecosystems and Wildlife Conservation",
"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/T13388",
"subfield": {
"display_name": "Ecology",
"id": "https://openalex.org/subfields/2303"
}
},
{
"count": 1,
"display_name": "Gastrointestinal Viral Infections and Vaccines Development",
"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/T10976",
"subfield": {
"display_name": "Infectious Diseases",
"id": "https://openalex.org/subfields/2725"
}
},
{
"count": 1,
"display_name": "Impact of Road Salt on Freshwater Salinization",
"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/T12682",
"subfield": {
"display_name": "Pollution",
"id": "https://openalex.org/subfields/2310"
}
},
{
"count": 1,
"display_name": "Biological Agents for Bioterrorism",
"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/T11515",
"subfield": {
"display_name": "Molecular Biology",
"id": "https://openalex.org/subfields/1312"
}
},
{
"count": 1,
"display_name": "Influence of Land Use on Stream Ecosystems",
"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/T10669",
"subfield": {
"display_name": "Ecology",
"id": "https://openalex.org/subfields/2303"
}
},
{
"count": 1,
"display_name": "Mapping Groundwater Potential Zones Using GIS Techniques",
"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/T12543",
"subfield": {
"display_name": "Environmental Engineering",
"id": "https://openalex.org/subfields/2305"
}
},
{
"count": 1,
"display_name": "Real-Time Polymerase Chain Reaction",
"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/T11970",
"subfield": {
"display_name": "Molecular Biology",
"id": "https://openalex.org/subfields/1312"
}
},
{
"count": 1,
"display_name": "Environmental Impact of Heavy Metal Contamination",
"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/T10139",
"subfield": {
"display_name": "Pollution",
"id": "https://openalex.org/subfields/2310"
}
},
{
"count": 1,
"display_name": "Ecological Impact of Freshwater Mussels",
"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/T12097",
"subfield": {
"display_name": "Ecology",
"id": "https://openalex.org/subfields/2303"
}
},
{
"count": 1,
"display_name": "Environmental Impact on Lake Baikal Ecosystem",
"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/T14177",
"subfield": {
"display_name": "Ecology",
"id": "https://openalex.org/subfields/2303"
}
},
{
"count": 1,
"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"
}
}
],
"updated_date": "2024-05-20T00:16:22.884207"
}
}
