Item talk:Q45658
From geokb
ORCiD:
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USGS Staff Profile:
'@context': https://schema.org '@type': Person affiliation: [] description: - '@type': TextObject abstract: Research Hydrologist with the Southwest Biological Science Center additionalType: short description - '@type': TextObject abstract: David Dean studies hydrology, geomorphology, and sediment transport of rivers in arid and semi-arid ecosystems. additionalType: staff profile page introductory statement - '@type': TextObject abstract: 'As a research hydrologist with the GCMRC and SBSC, I conduct original research linking hydrology and sediment transport to fluvial geomorphic processes. My research is conducted in the Rio Grande in the Big Bend region of far west Texas, the Green and Yampa Rivers in Dinosaur National Monument, the Green and Colorado Rivers in Canyonlands National Park, the Little Colorado River and its tributaries in northern Arizona, and the Colorado River in Grand Canyon National Park. My research aims to quantify how hydrologic and geomorphic processes respond to factors such as climate change, large-scale water development and management, the widespread establishment of non-native riparian plants, and anthropogenic modifications to fluvial bottomlands. All of these perturbations directly affect how water and sediment are routed through fluvial drainage networks, which controls the geomorphic behavior, and biologic processes of these river systems.Much of my work incorporates the use of acoustic instrumentation to passively monitor suspended-sediment transport processes on rivers with high suspended-sediment loads. This work is paired with measurements of geomorphic change using a variety of data and techniques including: high-resolution topographic data collected with real-time-kinematic GPS and LIDAR, aerial imagery, and analysis of historical hydrologic and geomorphic data. My work is directly relevant to the primary scientific understanding of the hydrologic and geomorphic behavior of these rivers, as well as the management actions that may help mitigate fluvial perturbations that have occurred. My work also focuses on the biogeomorphic interactions between stream flow, sediment transport, and riparian vegetation, and how those interactions can result in negative and/or positive feedbacks of geomorphic change.' additionalType: personal statement email: djdean@usgs.gov hasCredential: - '@type': EducationalOccupationalCredential name: 'M.S., 2006-2009: Utah State University, Logan, UT. Thesis: "A River Transformed: Historic Geomorphic Changes of the Lower Rio Grande in the Big Bend Region of Texas, Chihuahua, and Coahuila"' - '@type': EducationalOccupationalCredential name: 'B.A., 1997-2001: University of St. Thomas, St. Paul, MN, majors in geology and geography' hasOccupation: - '@type': OrganizationalRole affiliatedOrganization: '@type': Organization name: Southwest Biological Science Center url: https://www.usgs.gov/centers/southwest-biological-science-center roleName: Research Hydrologist startDate: '2024-05-12T15:22:08.536279' - '@type': Occupation additionalType: self-claimed professional experience name: '2014 - present: Research Hydrologist, USGS Southwest Biological Science Center, Grand Canyon Monitoring and Research Center' - '@type': Occupation additionalType: self-claimed professional experience name: '2009 - 2014: Research Associate/Lab Manager, Department of Watershed Sciences, Geomorphology Lab, Utah State University' - '@type': Occupation additionalType: self-claimed professional experience name: '2006: Staff Scientist, StreamLab 2006, National Center for Earth Surface Dynamics, Saint Anthony Falls Laboratory, University of MN' - '@type': Occupation additionalType: self-claimed professional experience name: '2005: Laboratory Instructor, Environmental Geology, University of Saint Thomas, St. Paul, MN' - '@type': Occupation additionalType: self-claimed professional experience name: '2002, 2004, 2006: Instructor, Geologic Field Camp in Southeastern U.S., University of Saint Thomas, St. Paul, MN' - '@type': Occupation additionalType: self-claimed professional experience name: '2002 - 2004: Staff Geologist, Meisch & Associates, Ltd., Environmental Consultants, Oakdale, MN' identifier: - '@type': PropertyValue propertyID: GeoKB value: https://geokb.wikibase.cloud/entity/Q45658 - '@type': PropertyValue propertyID: ORCID value: 0000-0003-0203-088X jobTitle: Research Hydrologist knowsAbout: - '@type': Thing additionalType: self-claimed expertise name: hydrology - '@type': Thing additionalType: self-claimed expertise name: geomorphology - '@type': Thing additionalType: self-claimed expertise name: sediment transport - '@type': Thing additionalType: self-claimed expertise name: dams - '@type': Thing additionalType: self-claimed expertise name: sedimentation and erosion - '@type': Thing additionalType: self-claimed expertise name: sedimentology - '@type': Thing additionalType: self-claimed expertise name: sediment grain size - '@type': Thing additionalType: self-claimed expertise name: sediment supply - '@type': Thing additionalType: self-claimed expertise name: sand storage - '@type': Thing additionalType: self-claimed expertise name: sandbar deposition - '@type': Thing additionalType: self-claimed expertise name: sand budgets - '@type': Thing additionalType: self-claimed expertise name: Colorado River - '@type': Thing additionalType: self-claimed expertise name: Little Colorado River - '@type': Thing additionalType: self-claimed expertise name: Moenkopi Wash - '@type': Thing additionalType: self-claimed expertise name: Rio Grande - '@type': Thing additionalType: self-claimed expertise name: Green River - '@type': Thing additionalType: self-claimed expertise name: Chippewa River - '@type': Thing additionalType: self-claimed expertise name: Yampa River - '@type': Thing additionalType: self-claimed expertise name: Grand Canyon - '@type': Thing additionalType: self-claimed expertise name: Marble Canyon - '@type': Thing additionalType: self-claimed expertise name: Canyonlands National Park - '@type': Thing additionalType: self-claimed expertise name: Dinosaur National Monument memberOf: '@type': OrganizationalRole member: '@type': Organization name: U.S. Geological Survey name: staff member startDate: '2024-05-12T15:22:08.533441' name: David J Dean url: https://www.usgs.gov/staff-profiles/david-j-dean
