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Energy and Environment Directorate

Timothy Seiple

(509) 371-6092

Biography

Mr. Seiple has 20 years of experience working as a Geospatial Scientist, leading spatial modeling and software development projects. He specializes in data creation, synthesis, management, and modeling; developing spatiotemporal enabled modeling systems; automated geoprocessing; deploying data services and web GIS applications; and performing advanced spatial analyses. He also has extensive hydrogeology field experience. Mr. Seiple has a Bachelor’s degree in Geology and a Master’s degree in GIS and Remote Sensing. His primary research interests include developing models and applications to enhance decision support in the areas of renewable energy and environmental sustainability.

Research Interests

  • GIS-based modeling to investigate anthropogenic impacts on environmental systems
  • Decision Support Systems
  • Systems Integration & Analysis
  • User Interface Design
  • Web Applications Development

Education and Credentials

  • M.S., Geographic Information Systems & Remote Sensing, Univ. of Pittsburgh, 2005
  • MBA Essentials Certificate, Katz Business School, 2005
  • B.S., Geology, Dickinson College, 1998

Awards and Recognitions

  • 2005, PNNL Outstanding Performance Award on K-Basin Closure Risk Assessment Project
  • 2000, Pathfinder Award of Excellence for Process Improvement - HDR Engineering

PNNL Publications

2024

2023

  • Seiple T.E. 2023. Organic Waste Resource Assessment for the Detroit Region. PNNL-34603. Richland, WA: Pacific Northwest National Laboratory. Organic Waste Resource Assessment for the Detroit Region
  • Seiple T.E., A. Coleman, C. Bakker, C.A. Antonopoulos, and A.L. White. 2023. W-SMART Phase-I Pathway Analysis: Case Study - City of Boston, MA. PNNL-35449. Richland, WA: Pacific Northwest National Laboratory. W-SMART Phase-I Pathway Analysis: Case Study - City of Boston, MA
  • Seiple T.E., Y. Jiang, L.J. Snowden-Swan, N.J. Betzsold, K. Kallupalayam Ramasamy, and C. Fuller. 2023. "Cost-effective Opportunities to Produce Sustainable Aviation Fuel from Low-Cost Wastes in the U.S." ACS Sustainable Chemistry & Engineering 11, no. 33:12326-12335. PNNL-SA-188095. doi:10.1021/acssuschemeng.3c02147

2022

2020

  • Seiple T.E., R.L. Skaggs, L. Fillmore, and A. Coleman. 2020. "Municipal wastewater sludge as a renewable, cost-effective feedstock for transportation biofuels using hydrothermal liquefaction." Journal of Environmental Management 270. PNNL-SA-149910. doi:10.1016/j.jenvman.2020.110852

2018

  • Milbrandt A., T.E. Seiple, D. Heimiller, R. Skaggs, and A. Coleman. 2018. "Wet waste-to-energy resources in the United States." Resources, Conservation and Recycling 137. PNNL-SA-135750. doi:10.1016/j.resconrec.2018.05.023
  • Skaggs R., A. Coleman, T.E. Seiple, and A. Milbrandt. 2018. "Waste-to-Energy Biofuel Production Potential for Selected Feedstocks in the Conterminous United States." Renewable & Sustainable Energy Reviews 82, no. Pt. 3:2640-2651. PNNL-SA-125982. doi:10.1016/j.rser.2017.09.107
  • Vernon C.R., J.S. Rice, N. Zuljevic, T.E. Seiple, M. Kintner-Meyer, C. Jin, and J. Olson, et al. 2018. "CERF - A Geospatial Model for Assessing Future Energy Production Technology Expansion Feasibility." Journal of Open Research Software. PNNL-SA-125186. doi:10.5334/jors.227
  • Vernon C.R., N. Zuljevic, J.S. Rice, T.E. Seiple, M. Kintner-Meyer, N. Voisin, and I.P. Kraucunas, et al. 2018. "CERF - A Geospatial Model for Assessing Future Energy Production Technology Expansion Feasibility." Journal of Open Research Software 6, no. 1:20. PNNL-SA-133523. doi:10.5334/jors.227

2017

  • Seiple T.E., A. Coleman, and R. Skaggs. 2017. "Municipal Wastewater Sludge as a Sustainable Bioresource in the United States." Journal of Environmental Management 197. PNNL-SA-125058. doi:10.1016/j.jenvman.2017.04.032

2014

  • Triplett M.B., T.E. Seiple, D.J. Watson, B.L. Charboneau, and J.G. Morse. 2014. "Web-Based Geographic Information System Tool for Accessing Hanford Site Environmental Data." In WM2014: Annual Waste Management Symposium, March 2-6, 2014, Phoenix, Arizona, Paper No. 14447. Tucson, Arizona:Waste Management Symposia, Inc. PNNL-SA-99557.
  • Zhou Y., L.E. Clarke, J. Eom, P. Kyle, P.L. Patel, S.H. Kim, and J.A. Dirks, et al. 2014. "Modeling the effect of climate change on U.S. state-level buildings energy demands in an integrated assessment framework." Applied Energy 113. PNNL-SA-94232. doi:10.1016/j.apenergy.2013.08.034

2012

  • Hanrahan T.P., T.E. Seiple, and J.W. Lettrick. 2012. PNNL River Habitat Model User Guide. PNNL-21048. Richland, WA: Pacific Northwest National Laboratory. PNNL River Habitat Model User Guide

2008

  • Wang W., W.J. Shaw, T.E. Seiple, J.P. Rishel, and Y. Xie. 2008. "An Evaluation of a Diagnostic Wind Model (CALMET)." Journal of Applied Meteorology and Climatology 47, no. 6:1739-1756. PNNL-SA-51633.

2007

  • Xie Y., W.J. Shaw, W. Wang, T.E. Seiple, J.P. Rishel, F.C. Rutz, and E.G. Chapman, et al. 2007. "A Genetic Algorithm Used to Optimize the Siting of Meterological Monitoring Stations." In Proceedings of the International Conference on Genetic and Evolutionary Methods (GEM'07), edited by HR Arabnia, JY Yang, and MQ Yang, 81-87. Athens, Georgia:CSREA Press. PNNL-SA-54199.

Energy and Environment

Core Research Areas

Contacts