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 affiliation: []
 description:
 - '@type': TextObject
   abstract: Hydrologist/Groundwater Specialist with the Maryland-Delaware-D.C. Water
     Science Center
   additionalType: short description
 - '@type': TextObject
   abstract: Dr. Jeff Raffensperger is a hydrologist in the MD-DE-DC Water Science
     Center. He has led or collaborated on studies of hydrologic processes, water
     quality, and modeling. He has been a member of several National Teams working
     to improve estimation of water budgets, with a research focus on groundwater
     discharge and base flow to streams and rivers.
   additionalType: staff profile page introductory statement
 email: jpraffen@usgs.gov
 hasCredential:
 - '@type': EducationalOccupationalCredential
   name: Ph.D. in Hydrogeology, 1993, The Johns Hopkins University, Baltimore, MD
 - '@type': EducationalOccupationalCredential
   name: M.A. in Hydrogeology, 1990, The Johns Hopkins University, Baltimore, MD
 - '@type': EducationalOccupationalCredential
   name: M.S. in Geology, 1988, Louisiana State University, Baton Rouge, LA
 - '@type': EducationalOccupationalCredential
   name: B.S. in Geology (Cum Laude), 1985, University of Maryland, College Park,
     MD
 hasOccupation:
 - '@type': OrganizationalRole
   affiliatedOrganization:
     '@type': Organization
     name: Maryland-Delaware-D.C. Water Science Center
     url: https://www.usgs.gov/centers/md-de-dc-water
   roleName: Hydrologist/Groundwater Specialist
   startDate: '2024-05-10T20:46:36.777568'
 - '@type': Occupation
   additionalType: self-claimed professional experience
   name: '2009-present: HYDROLOGIST, USGS MD-DE-DC WSCMember, National Water-Quality
     Assessment (NAWQA) Team, National Water Budget Estimation and Evaluation (WBEEP)
     Team, and the Water Budget Baseline (WBB) Team, investigating sources of streamflow.'
 - '@type': Occupation
   additionalType: self-claimed professional experience
   name: '2006-2023: GROUNDWATER SPECIALIST, USGS MD-DE-DC WSCResponsible for overall
     quality of groundwater science and data for the MD-DE-DC Water Science Center.Leader,
     Data Quality Management Team, 2014-2017. Member, 2017-present. Worked closely
     with database administrators to develop and implement data-quality assurance
     processes.'
 - '@type': Occupation
   additionalType: self-claimed professional experience
   name: '2004-09: HYDROLOGIST/RESEARCH HYDROLOGIST, USGS MD-DE-DC WSCProject chief,
     Chesapeake Bay River Input Monitoring project, 2005-07. Managed project resources
     and data collection at four major river water-quality sites. Developed new methods
     for analyzing and communicating results of load and trend estimation (using
     ESTIMATOR) to Cooperators.'
 - '@type': Occupation
   additionalType: self-claimed professional experience
   name: '1999-2004: SUPERVISORY HYDROLOGIST, USGS MD-DE-DC WSCSupervisory responsibility
     for the Watershed Studies Section. Wrote work plan and managed the DE Inland
     Bays HSPF model project. Co-authored Delaware Inland Bays HSPF model report.
     Developed new studies and wrote work plans for the Potomac TMDL, Mattawoman
     Creek, and Anacostia River water-quality projects.'
 - '@type': Occupation
   additionalType: self-claimed professional experience
   name: '2009-2022: LECTURER, The Johns Hopkins University, Engineering for Professionals,
     Baltimore, MD.'
 identifier:
 - '@type': PropertyValue
   propertyID: ORCID
   value: 0000-0001-9275-6646
 - '@type': PropertyValue
   propertyID: GeoKB
   value: https://geokb.wikibase.cloud/entity/Q48743
 jobTitle: Hydrologist/Groundwater Specialist
 knowsAbout:
 - '@type': Thing
   additionalType: self-claimed expertise
   name: groundwater
 - '@type': Thing
   additionalType: self-claimed expertise
   name: groundwater quality
 - '@type': Thing
   additionalType: self-claimed expertise
   name: groundwater modeling
 - '@type': Thing
   additionalType: self-claimed expertise
   name: water quality
 - '@type': Thing
   additionalType: self-claimed expertise
   name: watershed modeling
 memberOf:
   '@type': OrganizationalRole
   member:
     '@type': Organization
     name: U.S. Geological Survey
   name: staff member
   startDate: '2024-05-10T20:46:36.769026'
 name: Jeff P Raffensperger, Ph.D.
 url: https://www.usgs.gov/staff-profiles/jeff-p-raffensperger