Miller Research Group Current Research Projects Current Group

Miller Research Group Current Research Projects Current Group Members Dr. Houston Miller Erin Adkins (Graduate) Michelle Bailey (Graduate) Allie Geoca (Undergraduate) Logan Malik (Undergraduate)

Climate Change: Carbon Dioxide, Methane, and Black Carbon EPA Report to Congress on Black Carbon (2010). The NOAA Annual Greenhouse Gas Index (2013).

Combustion Studies: Soot Particle Inception C/H Ratio Mass Growth Coagulation Nucleation PAH Chemistry Molecular Mass Proc. Combust. Inst. 23 1559 -1566 (1998). J. Phys. Chem. 89 3714 -3725 (1985).

Combustion Extinction and Scattering Studies: Soot Particle Inception N 2 I(q) N Rg-1 q a-1

Open Path Measurements: Permafrost • Perennially frozen ground rich in carbonaceous material o Total carbon in permafrost is double the amount currently in the atmosphere • Alaskan permafrost hovers around -1 °C o At risk of melting and becoming a significant carbon source. Credit: International Permafrost Association

Open Path Measurements: Field Experiment Launch and Collection Optics

The Capital Climate Initiative and Greenhouse Gas Sensor Facility

Acknowledgments • • • U. S. National Science Foundation (CBET-0828950 and CBET 1142284) • Dr. Philip Westmoreland • Dr. Arvind Atreya • Dr. Ruey-Hung Chen NASA Hydrospheric and Biospheric Science Research Program Metro Washington Chapter of ARCS Foundation Yale Collaboration • Dr. Mitchell Smooke • Dr. Marshall Long Cambridge Colllaboration • Dr. Markus Kraft • Edward Yapp • Maria Botero NASA Collaboration • Dr. Emily Wilson