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"USGS Staff Profile": { "@context": "https://schema.org", "@type": "Person", "dateModified": "2024-09-21T07:59:00.374879", "name": "Donald Sweetkind", "identifier": [ { "@type": "PropertyValue", "propertyID": "ORCID", "value": "0000-0003-0892-4796" } ], "jobTitle": "Research Geologist", "hasOccupation": [ { "@type": "OrganizationalRole", "startDate": "2024-09-21T07:59:00.383433", "affiliatedOrganization": { "@type": "Organization", "name": "Geosciences and Environmental Change Science Center", "url": "https://www.usgs.gov/centers/geosciences-and-environmental-change-science-center" }, "roleName": "Research Geologist" }, { "@type": "Occupation", "additionalType": "self-claimed professional experience", "name": "October 2013 \u2013 present Research Geologist, Geosciences and Environmental Change Science Center, USGS, Denver" }, { "@type": "Occupation", "additionalType": "self-claimed professional experience", "name": "October, 1999\u2014October, 2013 Research Geologist, Central Mineral Resources, USGS, Denver" }, { "@type": "Occupation", "additionalType": "self-claimed professional experience", "name": "October, 1994\u2014September, 1999 Geologist, Yucca Mountain Project Branch, USGS, Denver" } ], "description": [ { "@type": "TextObject", "additionalType": "short description", "abstract": "Research Geologist with the Geosciences and Environmental Change Science Center" }, { "@type": "TextObject", "additionalType": "staff profile page introductory statement", "abstract": "I am a research geologist with the U.S. Geological Survey, stationed in Lakewood, CO. I received my Ph.D. in geology from the Colorado School of Mines in Golden, CO in 1994 and have worked full-time as a geologist for the USGS in Denver since then." }, { "@type": "TextObject", "additionalType": "personal statement", "abstract": "My work involves creation of geologic maps and digital three-dimensional geologic models for framework geologic and hydrogeologic studies. I work in the western US, primarily in CA, NV, UT, and NM. In the past decade, I have been the lead within USGS Geologic Discipline with work on several major water resource-related projects in Nevada, Utah, and California, in collaboration with colleagues in the USGS Water Mission Area. I also conduct geologic mapping studies in California with USGS staff in Menlo Park; I have worked on the evolution of volcanic fields and sedimentary basins in response to the development through time of the San Andreas and related faults. I have also used subsurface geologic mapping to address groundwater-based issues in northern and central California.Current research projectsGeologic maps and 3D geologic framework models of the western US I am involved in multiple projects that are creating geologic maps and 3D geologic framework models in the western US, funded by the National Cooperative Geologic Mapping Program.Groundwater availability studies in California groundwater basins. I am creating digital 3D hydrogeologic framework models that portray the geometry and lithologic variability (a proxy for inferring hydraulic properties) of hydrostratigraphic units for input into numerical ground-water flow models. (work conducted with USGS CA WSC).National Geologic Synthesis. I am compiling data and developing methods for mapping subsurface geology at regional and National scales funded by the National Cooperative Geologic Mapping Program." } ], "email": "dsweetkind@usgs.gov", "url": "https://www.usgs.gov/staff-profiles/donald-sweetkind", "affiliation": [], "hasCredential": [ { "@type": "EducationalOccupationalCredential", "name": "Ph.D., 1994, in Geology with minor in geochemistry, Colorado School of Mines Golden, CO" }, { "@type": "EducationalOccupationalCredential", "name": "M.S., 1986, in Geology, Southern Methodist University, Dallas, TX" }, { "@type": "EducationalOccupationalCredential", "name": "B.A., 1981, in Geology with minors in chemistry and physics, Western State College, Gunnison, CO" } ], "knowsAbout": [ { "@type": "Thing", "additionalType": "self-claimed expertise", "name": "groundwater flow" }, { "@type": "Thing", "additionalType": "self-claimed expertise", "name": "geologic history" }, { "@type": "Thing", "additionalType": "self-claimed 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