Ruth K. Varner

Phone: (603) 862-0853
Office: Earth Systems Research Center, Morse Hall Rm 450, Durham, NH 03824
A headshot of Ruth Varner, director for the Earth Systems Research Center.


  • Ph.D., Earth Sciences, University of New Hampshire
  • Ph.D., Geochemistry, University of New Hampshire
  • M.S., Hydrology&Water Resources Sci., University of New Hampshire
  • B.A., Geology/Earth Science, Hartwick College

Courses Taught

  • ESCI 534: Techniques Environmental Sci
  • ESCI 747: Aqueous Geochemistry
  • INCO 790: Adv Rsrch Exp/Earth Sciences

Selected Publications

Palace, M., Herrick, C., DelGreco, J., Finnell, D., Garnello, A. J., McCalley, C., . . . Varner, R. K. (2018). Determining Subarctic Peatland Vegetation Using an Unmanned Aerial System (UAS). REMOTE SENSING, 10(9). doi:10.3390/rs10091498

Deng, J., McCalley, C. K., Frolking, S., Chanton, J., Crill, P., Varner, R., . . . Li, C. (2017). Adding stable carbon isotopes improves model representation of the role of microbial communities in peatland methane cycling. Journal of Advances in Modeling Earth Systems, 9(2), 1412-1430. doi:10.1002/2016MS000817

Contosta, A. R., Burakowski, E. A., Varner, R. K., & Frey, S. D. (2016). Winter soil respiration in a humid temperate forest: The roles of moisture, temperature, and snowpack. Journal of Geophysical Research: Biogeosciences, 121(12), 3072-3088. doi:10.1002/2016JG003450

Treat, C. C., Wollheim, W. M., Varner, R. K., & Bowden, W. B. (2016). Longer thaw seasons increase nitrogen availability for leaching during fall in tundra soils. Environmental Research Letters, 11(6), 064013. doi:10.1088/1748-9326/11/6/064013

Wik, M., Varner, R. K., Anthony, K. W., MacIntyre, S., & Bastviken, D. (2016). Climate-sensitive northern lakes and ponds are critical components of methane release. Nature Geoscience, 9(2), 99-105. doi:10.1038/ngeo2578

Treat, C. C., Bubier, J. L., Varner, R. K., & Crill, P. M. (2007). Timescale dependence of environmental and plant-mediated controls on CH 4 flux in a temperate fen. Journal of Geophysical Research, 112(G1). doi:10.1029/2006JG000210

Silver, W. L., Thompson, A. W., McGroddy, M. E., Varner, R. K., Dias, J. D., Silva, H., . . . Keller, M. (2005). Fine root dynamics and trace gas fluxes in two lowland tropical forest soils. Global Change Biology, 11(2), 290-306. doi:10.1111/j.1365-2486.2005.00903.x

Varner, R. K., Crill, P. M., & Talbot, R. W. (1999). Wetlands: A potentially significant source of atmospheric methyl bromide and methyl chloride. Geophysical Research Letters, 26(16), 2433-2435. doi:10.1029/1999GL900587

Bubier, J. L., Crill, P. M., Moore, T. R., Savage, K., & Varner, R. K. (1998). Seasonal patterns and controls on net ecosystem CO 2 exchange in a boreal peatland complex. Global Biogeochemical Cycles, 12(4), 703-714. doi:10.1029/98GB02426

Shorter, J. H., Kolb, C. E., Crill, P. M., Kerwin, R. A., Talbot, R. W., Hines, M. E., & Harriss, R. C. (1995). Rapid degradation of atmospheric methyl bromide in soils. Nature, 377(6551), 717-719. doi:10.1038/377717a0

Most Cited Publications