Patrick Crill Publications and CV

Patrick Michael Crill
Complex Systems Research Center
Institute for the Study of Earth, Oceans and Space
University of New Hampshire
Durham, NH 03824
Internet: patrick.crill@geo.su.se

May 1981-December 1984: Ph.D., Marine Sciences, University of North Carolina, Chapel Hill, NC under the direction of Dr. C.S. Martens
July 1978-May 1981: M.S. Marine Sciences, University of North Carolina, Chapel Hill, NC under the direction of Dr. C.S. Martens.
September 1975-May 1978: B.S. Biochemistry, University of Massachusetts Amherst, MA
July-December 1972: Marine Science Technician "A" School, U.S. Coast Guard, Governor's Island, NY

Research:
August 1971-August 1975: Marine science technician, U.S.C.G. Cutters Bibb and Sherman, Boston, MA (6 to 8 mo/yr underway) Senior tech. July 1974-Aug 1975 aboard U.S.C.G.C. Sherman.
January 1977-June 1978: Research assistant, Biochemistry department University of Massachusetts, assembly of mitochondrial components of cytochrome c oxidase, peptide mapping by partial proteolysis and PAGE.
July 1978-June 1980: Research assistant, Univ. North Carolina Institute of Marine Sciences, Morehead City (summer) and Curriculum in Marine Sciences (during academic year with monthly trips to UNC-IMS, Morehead City), river estuaries and Cape Lookout Bight studies.
June 1980-August 1980: Microbial Ecology course and research session, Marine Biological Laboratory, Woods Hole, MA, Dr. Holger Jannasch chief instructor. Research session with Dr. Craig Taylor, W.H.O.I. on assimilatory sulfate reduction.
August 1980-September 1984: Research assistant, Univ. North Carolina, Chapel Hill, NC, CH4 production and oxidation and SO4 reduction in Cape Lookout Bight and continental shelf slope sediments.
May 1982-September 1984: NASA graduate researcher. "Methane flux from coastal wetlands" CH4 production and SO4 reduction in Dismal Swamp, VA; Baytree Saltmarsh, VA; Okefenokee Swamp, GA.
September 1984-September 1986: National Research Council Resident Research Associate, NASA Langley Research Center, Hampton, VA, mechanisms of biogenic trace gas fluxes from wetlands, Newport News Swamp, VA, Marcell Experimental Forest, MN, the Everglades, FL and the Amazon River, Brazil.
September 1986-September 1987: Senior Scientist, Bionetics Corporation, NASA Langley Research Center, Hampton, VA, processes of trace gas fluxes from northern peatlands and the Amazonian floodplain.
October 1987-August 1988: Research Scientist, Department of Chemistry, College of William and Mary, Williamsburg, VA, methane fluxes from northern wetlands (Minn. and Alaska) and from the Amazon River, processes of COS and CS2 formation and flux.
September 1988-August 1992: Research Assistant Professor, Complex Systems Res. Cen., EOS, Univ. of New Hampshire, Durham, NH, processes of formation and exchange of biogenic gases, biogeochemistry of soils and lacustrine and marine environments, urban sources of methane and CO2.
September 1992-September 2001: Research Associate Professor, Complex Systems Res. Cen., EOS, Univ. of New Hampshire, Durham, NH, impacts of climatic change and land use on processes of formation and exchange of biogenic gases from soils especially CH4, CO2 and N2O, biogeochemistry of soils and lacustrine and marine environments, urban sources of CH4 and CO2, urban metabolism, biogeochemistry of CH3Br.
September 1997-August 2000: Associate Director of the Complex Systems Research Center
September 2000-present: Director of the Complex Systems Research Center
2001-present: Research Professor, University of New Hampshire, Durham, NH, Research focus at UNH has been on atmosphere/biosphere exchange particularly on impacts of climatic change and land use on processes of formation and exchange of biogenic gases with soils, biogeochemistry of soils, peats, lacustrine and marine environments, urban sources of CH4 and CO2, urban metabolism, biogeochemistry of CH3Br and other methyl halogens on local to global scales.

Professional Workshops, Committees and Service

Environmental Protection Agency workshop on, "The microbial production and consumption of radiatively important trace gases," Athens, GA 1989.
Arctic Research Consortium of the U.S. workshop on, "Arctic System Science: Land/Air Interactions," Boulder, CO 1990.
National Center for Atmospheric Research planning meeting, "Atmosphere/Ecosystem Gas Interchange Study (AEGIS)," Member of the Executive Committee, Boulder, CO 1990.
Internordic Ministers Council seminar, "Methane Exchange between Ecosystems and the Atmosphere," Grisslehamn, Sweden 1990.
Planning meeting, "Boreal Ecosystem-Atmosphere Study (BOREAS)," Prince Albert, Saskatchewan 1991, rapporteur of Tropospheric Chemistry section. Numerous workshops since then.
BOREAS, chairman of the Trace Gas Biogeochemistry section, 1992-1998.
Environmental Protection Agency workshop on, "Review and Assessment of Methane Emissions from Wetlands," Durham, NH 1992.
Finnish Programme on Climate Change - SILMU workshop "The Carbon Balance of Peatlands and Climate Change," Hyytiälä, Finland 1992, invited participant "Methane emissions from boreal peatlands."
INPA/CENA/INPE/NASA planning workshop "The Ecological Component of the Integrated Amazon Study," Manaus, Brazil 1995, co-chair of trace gas dynamics section.
Methyl Bromide Global Coalition/NASA workshop "1995 Methyl Bromide State of the Science," Monterey, CA 1995.
NCEAS workshop on Arctic and Boreal Trace Gas Exchange "Methanogenesis, extrapolation across the boreal landscape," Santa Barbara, CA 1997.
IGBP Siberian Transect Workshop on spatial-temporal dimensions of high-latitude ecosystem change, Krasnoyarsk, Russia, 1997.
NSF Environmental Geochemistry and Biogeochemistry review panel, 1997 and 1998.
BOREAS Advisory Group, 1998 - 2000.
NASA Astrobiology Institute review panel, subpanel co-chair, 2000.
CONGAS, external reviewer for the European Union funded multi-national project Biogenic controls on trace gas fluxes in northern wetlands, 1998-2001.
NASA Terrestrial Ecology program, 10 year planning committee member, 2001.
Interagency (DOE, NOAA, NASA, USDA) North American Carbon Plan, contributing author, 2001.
NSF National Center for Atmospheric Research, Atmospheric Chemistry Division external review panel, 2001.

Books and Studies:

Crill, P., K. Hargreaves and A. Korhola (2000). The Role of Peat in Finnish Greenhouse Gas Balances. Studies and Reports 10/2000. Ministry of Trade and Industry, Finland.

Adams,D., P.Crill and S.Seitzinger, editors (2000). Cycling of Reduced Gases in the Hydrosphere, Mitt. Internat. Verein. Limnol., E. Schweizerbart'sche Verlagsbuchhandlung, Stuttgart, Germany.

Papers:

82. Bubier, J.L., P. Crill, A. Mosedale, S. Frolking and E. Linder (2002). Peatland responses to varying interannual moisture conditions as measured by automatic CO2 chambers. Global Biogeochemical Cycles, in prep.

81. Bubier, J.L., P. Crill and A. Mosedale (2002). Net ecosystem exchange of CO2 measured by autochambers during the snow-covered season at a temperate peatland. Hydrol. Processes, in review.

80. Frolking, S., N.T. Roulet, T.R. Moore, P.J.H. Richard, P. Lafleur, J.L. Bubier, and P.M. Crill. (2001). Modeling Short-Term and Long-Term Carbon Accumulation in Northern Peatlands. In: Long Term Dynamics and Contemporary Carbon Budget of Northern Peatlands. Yu ZC, Bhatti JS and Apps MJ, (eds). Proceedings of the International Workshop on Carbon Dynamics of Forested Peatlands: Knowledge Gaps, Uncertainty and Modelling Approaches. Edmonton, Alberta 23-24 March, Canadian Forest Service.

79. Goodwin, K.D., R.K. Varner, P.M. Crill and R.S. Oremland (2001). Consumption of tropospheric methyl bromide by C1-oxidizing bacteria. Appl. Environ. Microbiol., 67: 5437-5443..

78. Li, C., Y. Zhuang, M.Q. Cao, P.M. Crill, Z.Dai, S. Frolking, B. Moore, W. Salas, W. Song and X. Wang. (2001). Comparing a process-based agro-ecosystem model to the IPCC methodology for developing a national inventory of N2O emissions from arable lands in China. Nutr. Cycl. Agroecosystems, 60: 159-175.

77. Weitz, A.M., E. Linder, S. Frolking, P.M. Crill and M. Keller (2001). N2O emissions from humid tropical agricultural soils: Effects of soil moisture, texture and nitrogen availability. Soil Biol. Biochem., 33: 1077-1093.

76. Frolking, S., N.T. Roulet, T.R. Moore, P. Lafleur, J.L. Bubier and P.M. Crill (2002). Modeling the seasonal to annual carbon balance of Mer Bleue Bog, Ontario, Canada, Global Biogeochemical Cycles, in press.

75. Li, C., Y.H. Zhuang M.Q. Cao, P.M. Crill, Z.H. Dai, S. Frolking, B. Moore, W.A. Salas, W.Z. Song and X.K. Wang (2002). Modeled agricultural N2O emissions for the U.S. and China. Global and Planetary Change, in review.

74. Nobre, A.D., M. Keller, P.M. Crill and R.C. Harriss (2001). Short-term nitrous oxide profile dynamics and emissions response to water, nitrogen and carbon additions in two tropical soils. Biol. Fertil. Soils, 34:363-373.

73. Roulet, N.T., J.-M. Ferone and P.M. Crill (2001). Beaver ponds and carbon exchange in the boreal biome. Geophys. Res. Letts., in review.

72. Crill, P.M., M. Keller, A. Weitz, B. Grauel and E. Veldkamp (2000). Intensive field measurements of nitrous oxide emissions from a tropical agricultural soil. Global Biogeochem. Cycles, 14: 85-96.

71. Crill, P.M. (2000). Natural Terrestrial Sources and Sinks of Tropospheric Methyl Bromide. IGACtivities, Newsletter of the International Global Atmospheric Chemistry Project, 19: 13-15.

70. Del Grosso, S.J., W.J. Parton, A.R. Mosier, D.S. Ojima, C.S. Potter, W. Borken, R. Brumme, K. Butterbach-Bahl, P.M. Crill, K. Dobbie and K.A. Smith (2000). General CH4 oxidation model and comparisons of CH4 oxidation in natural and managed systems. Global Biogeochem. Cycles 14: 999-1019.

69. Potter, C. S., J. Bubier, P. Crill, and P. LaFleur (2001). Ecosystem modeling of methane and carbon dioxide fluxes for boreal forest sites. Can. J. Forest Res. 31: 208-223.

68. Blaha, D., K. Bartlett, P. Czepiel, R. Harriss and P. Crill (1999). Natural and anthropogenic methane sources in New England. Atmos. Environ., 33: 243-255.

67. Bubier, J.L., S. Frolking, P.M. Crill and E. Linder (1999). Net ecosystem productivity and its uncertainty in a diverse boreal peatland. J. Geophys. Res., 104: 27683-27693.

66. Dove, A., N. Roulet, P. Crill, J. Chanton and R. Bourbonniere (1999). Methane dynamics of a northern boreal beaver pond. Ecoscience, 6: 577-586.

65. Trumbore, S.E., J.L. Bubier, J.W. Harden and P.M. Crill (1999). Carbon cycling in boreal wetlands: A comparison of three approaches. J. Geophys. Res., 104: 27673-27682.

64. Varner, R.K., P.M. Crill, R.W. Talbot and J.H. Shorter (1999). An estimate of the uptake of atmospheric methyl bromide by agricultural soils. Geophys. Res. Letts., 26: 727-730.

63. Varner, R.K., P.M. Crill and R.W. Talbot (1999). Wetlands: A potentially significant source of atmospheric methyl bromide and methyl chloride. Geophys. Res. Letts., 26: 2433-2436.

62. Bubier, J.L., P.M. Crill, T.R. Moore, K. Savage, and R.K. Varner. (1998). Seasonal patterns and controls on net ecosystem CO2 exchange in a boreal peatland complex, Global Biogeochem. Cycles, 12: 703-714.

61. Frolking, S., J. Bubier, T. Moore, T. Ball, L. Bellisario, A. Bhardwaj, P. Carroll, P. Crill, P. Lafleur, J. McCaughey, N. Roulet, A. Suyker, S. Verma, J. Waddington, and G. Whiting. (1998). The relationship between ecosystem productivity and photosynthetically active radiation for northern peatlands, Global Biogeochem. Cycles, 12: 115-126.

60. Goulden, M.L., S.C. Wofsy, J.W. Harden, S.E. Trumbore, P.M. Crill, S.T. Gower, T. Fries, B.C. Daube, S.M. Fan, D.J. Sutton, A. Bazzazz and J.W. Munger (1998). Sensitivity of boreal forest carbon balance to soil thaw. Science, 279: 214-217.

59. Hines, M.E., P.M. Crill, R.K. Varner, R.W. Talbot, J.H. Shorter, C.E. Kolb and R.C. Harriss (1998). Rapid consumption of low concentrations of methyl bromide by soil bacteria. Appl. Environ. Microbiol., 64: 1864-1870.

58. Moosavi, S and P.M. Crill (1998). CH4 oxidation by tundra wetlands as measured by a selective inhibitor technique. J. Geophys. Res., 103: 29093-29106.

57. Shipham, M.C., K.B. Bartlett, P.M. Crill, R.C. Harriss and D. Blaha (1998). Atmospheric methane measurements in central New England: An analysis of the long term trend and the seasonal and diurnal cycles. J. Geophys. Res., 103: 10621-10630.

56. Shipham, M.C., P.M. Crill, K.B. Bartlett, A.H. Goldstein, P.M. Czepiel, R.C. Harriss and D. Blaha (1998). Atmospheric methane measurements in central New England: An assessment of regional transport from surrounding sources. J. Geophys. Res., 103: 21985-22000.

55. Weitz, A.M., E. Veldkamp, M. Keller, J. Neff and P.M. Crill (1998). Nitrous oxide, nitric oxide and methane fluxes from soils following clearing and burning of tropical secondary forest. J. Geophys. Res., 103: 28047-28058.

54. Bubier, J., B. Rock and P.M. Crill (1997). Spectral reflectance measurements of boreal wetland and forest mosses. J. Geophys. Res., 102: 29483-29494.

53. Carroll, P.J. and P.M. Crill (1997). Carbon balance of a temperate poor fen. Global Biogeochem. Cycles, 11: 349-356.

52. Goulden, M.L. and P.M. Crill (1997). Automated measurements of CO2 exchange at the moss surface of a black spruce forest. Tree Phys., 17: 537-542.

51. Lamb, B.K., H. Westberg, R. Kashinkunti, P.M. Czepiel, P.M. Crill, R.C. Harriss, C.E. Kolb, J. B. McManus and R. Lott (1997). Measurements of methane oxidation in soils for simulated natural gas leakage from underground pipelines. Environ. Sci. Tech., in press.

50. Lavigne, M.B., M.G. Ryan, D.E. Anderson, D.D. Baldocchi, P.M. Crill, D. Fitzjarrald, M.L. Goulden, S.T. Gower, J.M. Massheder, J.H. McCaughey, M. Rayment and R.G. Striegl (1997). Comparing nocturnal eddy covariance measurements to estimates of ecosystem respiration made by scaling chamber measurements at six coniferous boreal sites. J. Geophys. Res., 102: 28977-28986.

49. Moosavi, S and P.M. Crill (1997). Controls on CH4 and CO2 emissions along two moisture gradients in the Canadian boreal zone. J. Geophys. Res., 102: 29261-29278.

48. Norman, J.M., C.J. Kucharik, S.T. Gower, D.D. Baldocchi, P.M. Crill, M. Rayment, K. Savage and R.G. Striegl (1997). A comparison of six methods for measuring soil surface carbon dioxide fluxes. J. Geophys. Res., 102: 28771-28778.

47. Roulet, N.T., P.M. Crill, N.T. Comer, A.E. Dove and R.A. Bourbonniere (1997). CO2 and CH4 between a boreal beaver pond and the atmosphere. J. Geophys. Res., 102: 29313-29320.

46. Savage, K., T.R. Moore and P.M. Crill (1997). Methane and carbon dioxide exchanges between the atmosphere and the northern boreal forest soils. J. Geophys. Res., 102: 29279-29288.

45. Sellers, P.J., F.G. Hall, R.D. Kelly, A. Black, D. Baldocchi, J. Berry, M. Ryan, K.J. Ransom, P.M. Crill, D.P. Lettenmaier, H. Margolis, J. Cihlar, J. Newcomer, D. Fitzjarrald, P.G. Jarvis, S.T. Gower, D. Halliwell, D. Williams, B. Goodison, D.E. Wickland and F.E. Guertin (1997). BOREAS in 1997): Experiment overview, scientific results and future directions. J. Geophys. Res., 102: 28731-28769.

44. Kerwin, R.A., P.M. Crill, R.W. Talbot, M.E. Hines, J.H. Shorter, C.E. Kolb and R.C. Harriss (1996). Determination of atmospheric methyl bromide by cryotrapping/gas chromatography and application to soil kinetic studies using a dynamic dilution system. Anal. Chem., 68: 899-903.

43. Melloh, R.A. and P.M. Crill (1996). Winter methane dynamics beneath ice and in snow in a temperate poor fen. Hydrol. Processes, 9: 947-956.

42. Crill, P.M. (1996). Latitudinal differences in methane flux from natural wetlands. in Cycling of Reduced Gases in the Hydrosphere, Adams,D., P.Crill and S.Seitzinger (eds.) E. Schweizerbart'sche Verlagsbuchhandlung, Stuttgart. Mitt. Internat. Verein. Limnol. 25: 163-171.

41. Czepiel, P.M., B. Mosher, P.M. Crill and R.C. Harriss (1996). Quantifying the effect of oxidation on landfill methane emissions. J. Geophys. Res., 101: 16721-16729.

40. Czepiel, P., E.Douglas, R.Harriss and P.Crill (1996). Measurements of N2O from composted organic wastes. Environ. Sci. Tech., 30: 2519-2525.

39. Frolking, S., M. Goulden, S. Wofsy, S-M Fan, D. Sutton, J. Munger, A. Bazzaz, B. Daube, P. Crill, J. Aber, L. Band, X. Wang, K. Savage, T. Moore and R. Harriss (1996). Modelling temporal variability in the carbon balance of a spruce/moss boreal forest. Global Change Biol., 2: 343-366.

38. Moosavi, S.C., P.M. Crill, E.R. Pullman, D.W. Funk and K.M. Peterson (1996). Controls on CH4 flux from an Alaskan boreal wetland. Global Biogeochem. Cycles, 10: 287-296.

37. Melloh, R.A. and P.M. Crill (1996). Methane dynamics beneath peat-ice and in snow in a temperate poor fen. Global Biogeochem. Cycles, 10: 247-254.

36. Crill, P.M., J.H. Butler, D.J. Cooper and P.C. Novelli (1995). Standard analytical methods for trace gas measurement. Chapt 6 in Biogenic Trace Gases: Measuring Emissions from Soil and Water, P.Matson and R.Harriss, eds., Blackwell Science, Ltd, Oxford, pp 164-205.

35. Shorter, J.H., C.E. Kolb, P.M. Crill, R.A. Kerwin, R.T. Talbot, R.C. Harriss and M.E. Hines (1995). An effective soil surface sink for atmospheric methyl bromide. Nature, 377: 717-719.

34. Czepiel, P., P.M. Crill and R. Harriss (1995) Environmental factors influencing the variability of methane oxidation in temperate zone soils. J. Geophys. Res., 100: 9359-9364.

33. Czepiel, P., P.M. Crill and R. Harriss (1995) Nitrous oxide emissions from municipal wastewater treatment. Environ. Sci. Tech., 29: 2352-2356.

32. Sellers, P., F. Hall,, H. Margolis, B. Kelly, D. Baldocchi, G. den Hartog, J. Cihlar, M.G. Ryan, B. Goodison, P. Crill J. Ransom, D. Lettenmaier and D.E. Wickland (1995). The Boreal Ecosystem-Atmosphere Study (BOREAS): An overview and early results from the 1994 field year. Bull. Am. Met. Soc, 76: 1549-1577.

31. Bubier, J.L., T.R. Moore, L. Bellisario, N.T. Comer and P.M. Crill (1995). Ecological controls on methane emissions from a northern peatland complex in the zone of discontinuous permafrost, Manitoba, Canada. Global Biogeochem. Cycles, 9: 455-470.

30. Roulet, N., P. Crill, G. Edwards and R. Stewart (1995). Role of boreal soil's methane consumption. Delta, 6: 1-2.

29. Frolking, S. and P.M. Crill (1994). Climate controls on methane flux from a poor fen in southeastern, New Hampshire: Measurement and modelling. Global Biogeochem. Cycles, 8: 385-398.

28. Crill, P.M., P.J. Martikainen, H. Nykänen and J. Silvola (1994). Temperature and N fertilization effects on methane oxidation in a drained peatland soil. Soil Biol. Biochem., 26: 1331-1339.

27. Moore, K.E., D.R. Fitzjarrald, S.C. Wofsy, B.C. Daube, J.W. Munger, P.C. Bakwin and P.M. Crill (1994). A season of heat, water vapor, total hydrocarbon and ozone fluxes at a subarctic fen. J. Geophys. Res., 99: 1937-1952.

26. Funk, D.W., K.P. Peterson, E.R. Pullman, P.M. Crill, W.B. Whitman and W.D. Billings (1994). The influence of water table on carbon dioxide, carbon monoxide and methane fluxes from taiga bog microcosms. Global Biogeochem. Cycles, 8: 271-278.

25. Tyler, S.C., P.M. Crill and G.W. Brailsford (1994). 13C/12C fractionation of methane during oxidation in a temperate forested soil. Geochim. Cosmochim. Acta, 58: 1625-1633.

24. Crill, P.M., K.B. Bartlett and N.T. Roulet (1993). Methane emissions from boreal peatlands. Suo, 43: 173-182.

23. Czepiel, P., P.M. Crill and R.C. Harriss (1993). Methane emissions from the Durham, New Hampshire wastewater treatment plant. Environ. Sci. Tech., 27: 2472-2477.

22. Czepiel, P., P.M. Crill, R. Harriss, R. Kerwin, H. Westberg, B. Lamb, B.K., C. Kolb and B. McManus (1993). Consumption of methane from pipeline leaks: Are emissions estimates too high? Proceedings of the International Workshop on Environ. and Econ. Impacts of Natural Gas Losses, Prague, Czech Republic.

21. Harriss, R., K. Bartlett, S. Frolking and P. Crill (1993). Methane emissions from northern high latitude wetlands. in Biogeochemistry of Global Change: Radiatively Active Trace Gases, R.S. Oremland, ed., Chapman and Hall, NY.

20. Hines, M.E., R.E. Pelletier and P.M. Crill (1993). Emissions of sulfur gases from marine and freshwater wetlands of the Florida Everglades: Rates and extrapolation using remote sensing. J. Geophys Res., 98:8991-8999.

19. Martikainen, P.J., H. Nykänen, P.M. Crill and J. Silvola (1993). The effect of changing water table on nitrous oxide fluxes from northern peatlands. Nature, 366: 51-53.

18. Martikainen, P.J., H. Nykänen, P.M. Crill and J. Silvola (1993). Observations of the effect of changing water table on methane fluxes at two Finnish mire sites. Suo, 43: 237-240.

17. Scranton, M.I., P.M. Crill, M. de Angelis, P. Donaghay and J. Sieburth (1993). The importance of episodic events in controlling flux of methane from the anoxic zone of the lower basin of the Pettaquamscutt River estuary. Global Biogeochem. Cycles, 7:491-508.

16. Bartlett, K.B., P.M. Crill, R.L. Sass, R.C. Harriss and N. Dise (1992). Methane emissions from tundra environments in the Yukon-Kuskokwim Delta, Alaska. J. Geophys. Res., 97: 16645-16660.

15. Chanton, J.P., C.S. Martens, C.A. Kelley, P.M. Crill and W.J. Showers (1992). Methane transport mechanisms and isotopic fractionation in emergent macrophytes of an Alaskan tundra lake. J. Geophys. Res., 97: 16681-16688.

14. Chanton, J.P., G.J. Whiting, W.J. Showers and P.M. Crill (1992). Methane flux from Peltandra virginica: Stable isotope tracing and chamber effects. Global Biogeochem. Cycles, 6: 15-31.

13. Crill, P.M. (1991). Seasonal patterns of methane uptake and carbon dioxide release by a temperate woodland soil. Global Biogeochem. Cycles 5: 319-334.

12. Crill, P.M., R.C. Harriss and K.B. Bartlett (1991). Methane fluxes from terrestrial environments. in Microbial Production and Consumption of Trace Gases, W. Whitman (ed.) American Society of Microbiology, Washington, DC.

11. McManus, J.B., C.E. Kolb, P.M. Crill, R.C. Harriss, B. Mosher, B. Lamb, K. Maas and J. Ryddock (1991). Measuring urban fluxes of methane. World Resource Rev. 3: 162-182.

10. Bartlett, K.B., P.M. Crill, J.A. Bonassi, J.E. Richey, R.C. Harriss (1990). Methane flux from the Amazon River floodplain: emissions during rising water. J. Geophys. Res., 95: 16773-16788.

9. Wilson, J.O., P.M. Crill, K.B. Bartlett, D.I. Sebacher, R.C. Harriss, R.L. Sass (1989). Seasonal variation of methane emissions from a temperate Virginia swamp. Biogeochemistry, 8: 55-71.

8. Chanton, J., P.M. Crill, K. Bartlett and C. Martens (1989). Amazon capims (floating grassmats): a source of 13C enriched methane to the troposphere. Geophys. Res. Letts. 16: 799-802.

7. Crill, P.M., K. Bartlett, J. Wilson, D. Sebacher, R. Harriss, J. Melack, S. MacIntyre, L. Lesack and L. Smith-Morrill (1988). Tropospheric methane from an Amazonian floodplain lake. J. Geophys. Res., 93: 1564-1570.

6. Bartlett, K., P. Crill, D. Sebacher, R. Harriss, J. Wilson and J. Melack (1988). Methane flux from the central Amazonian floodplain. J. Geophys. Res., 93: 1571-1582.

5. Harriss, R.C., D.I. Sebacher, K.B. Bartlett, D.S. Bartlett and P.M. Crill (1988). Methane flux from the Florida Everglades. Global Biogeochemical Cycles, 2: 231-243.

4. Crill, P.M., K.B. Bartlett, D.I. Sebacher, R.C. Harriss, E.S. Verry, E. Gorham, L. Madzar and J. Sanner (1988). Methane flux from Minnesota wetlands. Global Biogeochemical Cycles, 2: 371-384.

3. Crill, P.M. and C.S. Martens (1987). Biogeochemical cycling in an organic?rich coastal marine basin 6. Temporal and spatial variations in sulfate reduction rates. Geochim. Cosmochim. Acta 51: 1175-1186.

2. Crill, P.M. and C.S. Martens (1986). Methane production from bicarbonate and acetate in an anoxic marine sediment. Geochim. Cosmochim. Acta 50: 2089-2097.

1. Crill, P.M. and C.S. Martens (1983). Spatial and temporal fluctuations of methane production in anoxic coastal marine sediments. Limnol. Oceanogr. 28: 1117-1130.

Some Abstracts 1995-2002:

Perez, T.J., S.E. Trumbore, S.C. Tyler, P.B. deCamargo, M. Keller, P. Crill and E.A. Davidson (2002). Isotopic variation in N2O emitted from soils forming a texture gradient in Amazonian Tropical Forest during the dry season of 2001. AGU Spring Meeting, Washington, DC.

Roulet N.T., T. Moore, B. Ouyang, J. Turunen, A. Reimer, C. Fraser, C. Roehm, P. Lafleur, S. Admiral, D. van Dyke, P. Richard, S. Muller, D. Verseghy, S. Frolking, P. Crill, J. Bubier. (2001). The Peatland Carbon Study: an analysis of the relationship between carbon exchanges and climate in northern peatland ecosystems. CONGAS Science Meeting, Lund, Sweden, 10/01.

Burrows, E.H., J.L. Bubier, A. Mosedale and P.M. Crill (2001). Annual Net Ecosystem Productivity of Wetlands: A Comparison of Automated and Manual Chamber Methods. AGU Spring Meeting, Boston.

Crill, P.M. (2001). Net ecosystem exchange of CO2 and CH4 emissions: Long term mean fluxes across small spatial scales in a freshwater wetland. IGBP Open Science Conference, Amsterdam.

Frolking S, NT Roulet, TR Moore, PJH Richard, JL Bubier, P Lafleur, PM Crill. (2001). Modeling short term and long term carbon accumulation in northern peatlands, International 7th International Symposium on the Biogeochemistry of Wetlands, Durham, NC.

Frolking S, PM Crill, NT Roulet, TR Moore, PJH Richard, JL Bubier, P Lafleur. (2001). Modeling short term and long term carbon accumulation in northern peatlands, International Workshop on Carbon Dynamics of Forested Peatlands: Knowledge Gaps, Uncertainty and Modelling Approaches, Edmonton, AB, Canada.

Crill, P.M. (2000). A decade of carbon gas exchange between the atmosphere and a temperate poor fen. 11th International Peat Congress, Québec 2000: Millenium Wetland Event, Québec City, PQ, Canada.

Frolking, S, N.T. Roulet, T.R. Moore, B. Ouyang, J.L. Bubier, P.J. Richard and P.M. Crill (2000). Modeling th Carbon Balance of Northern Peatlands. 11th International Peat Congress, Québec 2000: Millenium Wetland Event, Québec City, PQ, Canada.

Brooks Genovese, V., C. Potter, J. Bubier, P. Crill and P. LaFleur (1999). Ecosystem Modeling of Methane and Carbon Dioxide Fluxes for Boreal Forest Sites. AGU Fall Meeting, San Francisco.

Bubier, J.L. S.E. Trumbore, J. Harden and P.M. Crill. (1999). Three methods for determining the carbon balance in boreal peatlands of differing nutrient status. How Nutrient Cycles Constrain the Carbon Balances in Boreal Forests and Arctic Tundra, A conference organized on behalf of the GCTE (Global Change and Terrestrial Ecosystems) core project of IGBP (International Geosphere Biosphere Programme), Abisko, Sweden.

Crill, P.M., J.L. Bubier and S. Frolking. (1999). Net ecosystem exchange of carbon dioxide across a trophic gradient in boreal wetlands. How Nutrient Cycles Constrain the Carbon Balances in Boreal Forests and Arctic Tundra, Abisko, Sweden.

Frolking, S, N.T. Roulet, T.R. Moore, P.J. Richard, M. Lavoie and P.M. Crill (1999). Modeling Northern Peatland Decomposition and Peat Accumulation. AGU Fall Meeting, San Francisco.

Scheuer, E.M., G.K. Seid, R.W. Talbot, and P.M. Crill (1999). Relationships of Urban Aerosols and Trace Gases in the Greater Boston Area. AGU Fall Meeting, San Francisco.

Varner, R.K., R.W. Talbot and P.M. Crill (1999). Seasonal Methyl Bromide Exchange at two Temperate Wetlands. AGU Fall Meeting, San Francisco.

Weitz, A., P. Crill, S. Frolking, M. Keller, E. Linder and C. Li (1999). C Simulation of Soil Moisture Effects on N2O Flux Dynamics From Fertilized Agricultural Soils in the Humid Tropics of Costa Rica. AGU Fall Meeting, San Francisco.

Bubier, J.L., S.E.Trumbore, J.W.Harden, and P.M.Crill (1999) Carbon Cycling in Boreal Wetlands: A Comparison of Three Approaches. AGU Spring Meeting, Boston.

Goodwin, K.D., R.A.Varner, P.M.Crill and R.S.Oremland (1999) Uptake of Near-Ambient Levels of Methyl Bromide by Strain IMB-1, a Facultative Methylotrophic Bacterium. AGU Spring Meeting, Boston.

McManus, J.B., J.H.Shorter, C.E.Kolb, B.K.Lamb, E.Allwine, S.O'Neill, G.McRae, J.Ferreira, R.Talbot, P.M.Crill and E.Scheuer (1999) Correlations of Pollutant Gases From Real-Time Measurements in an Urban Area. AGU Spring Meeting, Boston.

Roulet, N.T., T.Moore, J.Blanchet, P.Lafleur, P.Richard, S.Frolking and P.M.Crill (1999) Peatland Carbon Study (PCARS): Measurement and Modelling of the Contemporary Carbon Sequestration in Peatlands. AGU Spring Meeting, Boston.

Ryan, M.G. and P.M.Crill (1999) Components of Respiration in a Tropical Rain Forest. AGU Spring Meeting, Boston.

Varner, R.K., P.M.Crill and R.W.Talbot (1999) Emissions of Methyl Bromide (CH3Br) and Methyl Chloride (CH3Cl) by Temperate Wetland Ecosystems. AGU Spring Meeting, Boston.

Bubier, J.L., P.M.Crill, S.Frolking and T.R.Moore (1998) Environmental Controls on the Carbon Balance of Boreal Peatlands, Manitoba, Canada. AGU Spring Meeting, Boston

Crill, P.M., J. Bubier and P. Carroll (1998), Variable Carbon Balance of a Temperate Poor Fen, AGU Fall Meeting, San Francisco.

Crill, P.M., J.Bubier, P. Carroll and A. Mosedale (1998) Carbon balance of a temperate poor fen. International Peat Society, Jyväskyllä, Finland.

Keller, M., A.M. Weitz, P. Crill, C. Li, E. Veldkamp, E Grauel, (1998), Nitrogen Oxide Emissions From Fertilized Agricultural Soils in Costa Rica. AGU Fall Meeting, San Francisco.

Li, C., Y. Zhuang, Z. Dai, Z. Song, P. Crill, B. Moore and W. Salas (1998). Scaling Up Nitrous Oxide Emissions from Agricultural Lands in China and the U.S. AGU Fall Meeting, San Francisco.

Moosavi, S.C. and P.M.Crill (1998) Controls on Methane Emissions Along a Moisture Gradient Adjacent to a Beaver Pond in the Canadian Boreal Zone. AGU Spring Meeting, Boston.

Roulet, N. and P.Crill (1998) Hydrological and Biochemical Controls on Atmosphere?Biosphere Exchange with Boreal Soils. AGU Spring Meeting, Boston

Shorter, J.H. J.B.McManus, D.D.Nelson, M.S.Zahniser, C.E.Kolb, E.J.Allwine, H.Westberg, S. O'Neill, B.K.Lamb, P.M.Crill, R.W.Talbot, C.H.Yeang, J.Ferreira, G.J.McRae (1998) Recent Measurements of Urban Metabolism and Trace Gas Respiration. AGU Spring Meeting, Boston

Weitz, A.M., P.M. Crill, W.T. Grauel, M. Keller, C. Li, and E. Veldkamp (1998). N2O fluxes from agricultural soils in the humid tropics of Costa Rica: effects of nitrogen fertilization and soil moisture. Soil Sci. Soc. Am. 90th annual meeting, Baltimore.

Weitz, A.M., P.M.Crill, M.Keller, E.Linder and E.Veldkamp (1998) Spatial and Temporal Variability of Nitrogen Oxides Fluxes From a Fertilized Tree Plantation in Costa Rica. AGU Spring Meeting, Boston

Weitz, A.M., P.M. Crill, W.T. Grauel, M. Keller and C. Li (1998).Effects of soil moisture dynamics on N2O fluxes from agricultural soils in the humid tropics. AGU Fall Meeting, San Francisco.

Bubier, J.L., P.M. Crill and T.R. Moore (1997). The exchange of carbon dioxide between peatland ecosystems and the atmosphere in the region of discontinuous permafrost, Manitoba, Canada. E.S.A Annual Meeting, Albuquerque, NM.

Bubier, J.L., P.M. Crill, T.R. Moore and K. Savage (1997). Net ecosystem exchange of carbon dioxide in wetlands with discontinuous permafrost, Manitoba, Canada. ASLO Aquatic Sciences Meeting, Santa Fe, NM.

Carroll, P. and P.M. Crill (1997). Carbon cycling in a New Hampshire fen. ASLO Aquatic Sciences Meeting, Santa Fe, NM.

Crill, P.M., M.L. Goulden, M. Keller (1997) Automated chamber measurements of surface carbon exchange. Soil Science Society of America Meeting, Anaheim, CA.

Crill, P.M., Kerwin, R.A., Talbot, R.A., Shorter, J.A., Kolb, C.A. and Hines, M.E. (1997). The soil sink of an agricultural pesticide: methyl bromide. Internat. Soc. of Environmental Biogeochemistry Meeting, Bari, Italy.

Crill, P.M., N. Roulet and A. Dove (1997). Boreal beaver ponds: Methane 'hot spots' in the northern landscape. ASLO Aquatic Sciences Meeting, Santa Fe, NM.

Frolking, S., J. Bubier, T. Moore, T. Ball, L. Bellisario, A. Bhardwaj, P. Carroll, P. Crill, P. Lafleur, J. McCaughey, N. Roulet, A. Suyker, S. Verma, J. Waddington, and G. Whiting (1997). The relationship between ecosystem productivity and photosynthetically active radiation for northern peatlands. ESA Annual Meeting, Albuquerque, NM.

Harden, J., T. Fries, T. Huntington, S.E. Trumbore, A. Hirsch and P. Crill (1997). Refining soil organic matter decomposition models using isotope measurement of soil incubation and in situ soil gases. AGU Fall Meeting, San Francisco.

Roulet, N., N.T. Comer, A. Dove, J-M. Ferone and P.M. Crill (1997). The exchange of CO2 between boreal beaver ponds and the atmosphere. ASLO Aquatic Sciences Meeting, Santa Fe, NM.

Bubier, J.L., B.N. Rock and P.M. Crill (1996). Spectral reflectance properties of boreal forest and peatland mosses. Biology of Sphagnum Conference, Laval University, Quebec City.

Crill, P.M., M. Shipham, K. Bartlett, D. Blaha and R. Harriss (1996). Atmospheric methane measurements in central New England: Long term trends and shorter cycles. AGU Fall Meeting, San Francisco.

Keller, M., *P. Crill, C-S. Li, A. Weitz, E. Veldkamp and W. Grauel (1996). Intensive field measurements and modelling of nitrous oxide emissions from tropical agricultural soils: The Finca Electrica. AGU Fall Meeting, San Francisco.

Moosavi, S.C. and P.M. Crill (1996). CH4 oxidation by tundra wetlands on Alaska's North Slope as measured by a selective inhibitor technique. AGU Fall Meeting, San Francisco.

Roulet, N.T., N.T. Comer, A. Dove, J-M. Ferone and P.M. Crill (1996). CO2 and CH4 flux between a boreal beaver pond and the atmosphere. AGU Fall Meeting, San Francisco.

Crill, P.M., J. Bubier, J. Harden, T. Moore, N. Roulet, E. Sundquist, S. Trumbore, G. Winston and R. Zepp (1995). The Boreal Ecosystem Atmosphere Exchange Study (BOREAS) trace gas flux program: preliminary results from the northern sites. International Boreal Forest Research Association, Joensuu, Finland.

Lång, K, A. Lohila, H. Nykänen, P.Crill, J. Silvola and P.J. Martikainen (1995). Methane oxidation and nitrification in forested peat soil treated with different nitrogen compounds. IBFRA, Joensuu, Finland.

Roulet, N.T., N. Comer, A. Dove and P.M. Crill (1995). CO2 and CH4 flux from boreal beaver ponds. Canadian Assoc. Geographers, Montreal.

Sellers, P.J., F.G. Hall, J. Ransom, H. Margolis, B. Kelly, D. Baldocchi, J. den Hartog, J. Cihlar, M.Ryan, P. Crill, D. Lettenmaier and D.E. Wickland (1995). The Boreal-Ecosystem Atmosphere Study (BOREAS). AGU Spring meeting, Baltimore.

Weitz, A.M., P.M. Crill, S. Frolking, W.T. Grauel, M. Keller, C. Li and E. Veldkamp (1995). An automated field experiment to monitor nitrous oxide gas emissions and influencing variables on agricultural soils in the humid tropics of Costa Rica. Soil Sci. Soc. Am, St. Louis, MO.

Graduate Students (chair or committee, since 1996):

Paul Carroll, M.S. 1997
Peter Czepiel, M.S. 1993, Ph.D. 1996
Claire McSwiney, Ph.D. 1999
Rae Melloh, M.S. 1996
Sadredin Moosavi, M.S. 1994, Ph.D 1998
Cindy Mosedale, M.S 2000.
Arturo Sanchez, Ph.D. 1996
Mark Shipham, Ph.D. 1998
Ruth Varner, Ph.D. 2000
Antje Weitz, Ph.D.2000
Bruce Burnham, M.S. 1998
Kevin Tu, Ph.D. 2000
Ken Byrne, Ph.D. 1999, UC-Dublin
Peter Dunfield, Ph.D. 1997, McGill U.
Alice Dove, M.S. 1996, McGill U.
Evilene Lopes, Ph.D. current
Colin Pinney, M.S. current
Marguerite White, M.S. current
Richard Puk, Ph.D. current
Manoel Cardoso, Ph.D. current
Rachel Gallant, M.S. current
Anna Joabson, Ph.D. 2001, Lund University
Anu Liikanen, Ph.D. 2002, University of Kuopio