Alaska and the Canadian Arctic
- 2010-2014: Integrating paleoecological analysis and ecological modeling to elucidate the responses of tundra fire regimes to climate change. Co-PI, funded through the National Science Foundation Arctic System Science Program.
- 2006-2010: Impacts of climate change on the boreal-forest fire regimes of Alaska: lessons from the past and prospects for the future. Post-doctoral and ongoing research, funded through the National Science Foundation, ARC-0612366 to F. S. Hu et al.
- 2006-2010: Reconstructing fire regimes in tundra ecosystems to inform a management-oriented ecosystem model. Post-doctoral research funded through the Joint Fire Science Program, 06-3-1-23 to F. S. Hu et al.
- 2003-2006: Late Glacial and Holocene Fire History in the South-central Brooks Range, Alaska: Direct and Indirect Impacts of Climatic Change on Fire Regimes. Dissertation research, funded through the National Science Foundation, OPP-01121586 to L. B. Brubaker et al. and a Graduate Research Fellowship to PEH.
U.S. Rocky Mountains, New Zealand, and Australia
- 2010-2015: Feedbacks and consequences of altered fire regimes in the face of climate and land-use change in Australia, New Zealand, and the western U.S. Co-PI, funded through the National Science Foundation, Program for International Research and Education.
- 2006-2009: Spatial and temporal evolution of late Holocene fire regimes in subalpine forests, Rocky Mountain National Park, Colorado. Post-doctoral and ongoing research funded through a National Park Ecological Research Fellowship program and the National Park Service.
- 1999-2002: Reconstructing fire regimes with charcoal and pollen from small hollows: a calibration with tree-ring records of fire. Masters research funded through the National Science Foundation, to L. B. Brubaker and D. G. Sprugel, and a Graduate Research Fellowship to PEH.