People A to Z

Katya Hafich

  • MA 2014
  • Graduate Research Assistant, Niwot Ridge LTER
  • Science Squad Teacher, Biological Sciences Initiative, CU Boulder


Nutrient cycling in alpine environments, water quality, climate variability.

David Harning

  • Postdoctoral Researcher


Quaternary paleoclimate of the Arctic, lake sediments, glacier history, tephrochronology, biogeochemistry

Detlev Helmig

  • Fellow and Associate Research Professor of INSTAAR


Surface-atmosphere interactions; atmospheric chemistry and transport; atmospheric measurement techniques; polar atmospheric chemistry; oceanic gas fluxes.

Stephanie Higgins

  • Postdoctoral Researcher


Coastal subsidence and relative sea level rise; remote sensing of coastal zones; InSAR; natural hazards; radar and remote sensing.

Alice Hill

  • Postdoctoral Research Associate
  • Post Doctoral researcher, National Snow and Ice Data Center (January 2018)

Mervi Hjelmroos-Koski

  • INSTAAR Affiliate
  • Coordinator, Certificate in Botanical Art and Illustration Program, Denver Botanic Gardens


Palynology, pollen transport and deposition, pollination biology, long-distance transport of biological material, airborne fungal spores.

Ben Hudson

  • Research Assistant & PhD 2015
  • Graduate Research Assistant


Geology, remote sensing, oceanography, hydrology, and geographic information systems (GIS).