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USGS Staff Profile:

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   abstract: Research Geographer with the Florence Bascom Geoscience Center
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   abstract: Geoscientist investigating the sources and consequences of terrain and
     land use change using remote sensing and geospatial analysis. Specific research
     interests include quantifying terrain change hazards, developing and integrating
     historical datasets, and investigating geomorphic changes in mineral extraction
     environments. Jessica is also a certified UAS pilot for the USGS.
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   abstract: "Jessica DeWitt is a research geographer at the Florence Bascom Geoscience\
     \ Center. She received a doctoral degree in Geography from West Virginia University\
     \ and a masters in Geography from the University of Toledo, OH. Since joining\
     \ the USGS in 2014, she has focused her research on using remote sensing and\
     \ geographic information systems (GIS) to map the impact of natural phenomena\
     \ and anthropogenic activities on the landscape and the environment. Her research\
     \ combines multispectral satellite image analysis and terrain modeling with\
     \ geologic, hydrologic, geomorphic data and field mapping to provide detailed\
     \ information about areas of topographic change, particularly areas of mining\
     \ activity.She has worked on several projects focused specifically on artisanal\
     \ and small-scale mining (ASM) occurring in proximity to conflict regions. Her\
     \ research on this topic aims to improve understanding of the potential contribution\
     \ of ASM to the conflict by quantifying the scope and magnitude of mineral production.\
     \ Since ASM production typically occurs in remote and data-sparse regions of\
     \ the globe, Jessica utilizes a variety of geospatial methods, including photogrammetry\
     \ of stereo satellite imagery, geomorphic and terrain modeling, and high-resolution\
     \ image analysis together with geologic and field data to provide the best-available\
     \ and most current data for a region. The ASM projects she has worked on include\
     \ assessment of diamond ASM in the Central African Republic, Guinea, and Cote\
     \ d\u2019Ivoire, gold ASM (ASGM) in Guyana, and ASM of various mineral commodities\
     \ in Afghanistan.More recently, Jessica\u2019s research has focused on quantification\
     \ of terrain change by integrating 3D analysis of historical aerial imagery\
     \ and archival maps with current data. These investigations quantify decades\
     \ of terrain change in both naturally and anthropogenically altered regions\
     \ such as sand dunes, mountain-top removal/ valley-fill mining areas, and urban\
     \ expansion. As part of this body of research, she is collaborating with a Powell\
     \ Working Group on topographic change and is part of 2 NRPP projects with the\
     \ National Park Service looking at terrain and geomorphic change in Sleeping\
     \ Bear Dunes National Lakeshore, MI and Vicksburg National Military Park, MS.Jessica\
     \ is also a USGS-certified Remote Pilot in Command (RPIC) and has worked to\
     \ advance the use of unmanned aerial systems (UAS) in both her own research\
     \ and in other projects at the Florence Bascom Geoscience Center."
   additionalType: personal statement
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   abstract: DeWitt, J., and Chirico, P., 2017, Artisanal and small-scale diamond
     mining assessment of the Central African Republic, Conference proceedings, Imaging
     & Geospatial Technology Forum (IGTF) 2017 and the American Society for Photogrammetry
     and Remote Sensing (ASPRS) Annual Conference, Baltimore, Maryland, March 11-17,
     12p.
   additionalType: staff profile page abstract
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   abstract: DeWitt, J., and Chirico, P.G., 2017, Assessing change in small-scale
     diamond mining activity across the Carnot region of the Central African Republic,
     Paper accompanying poster and presentation, Proceedings of the American Society
     for Photogrammetry and Remote Sensing Annual meeting, Baltimore, MD., March
     14.
   additionalType: staff profile page abstract
 email: jdewitt@usgs.gov
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   name: Ph.D., Geography, West Virginia University, 2016
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   name: M.A., Geography & Planning, University of Toledo, 2009
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   name: GIS Certification, University of Toledo, 2009
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   name: B.A., Geography, Mary Washington College, 2007
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   startDate: '2024-05-12T15:15:23.512583'
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   name: "2014 \u2013 present, research geographer, U.S. Geological Survey, Reston,\
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   startDate: '2024-05-12T15:15:23.510026'
 name: Jessica  DeWitt, Ph.D.
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