Earth Sciences Division (ESD) Department of Energy (DOE) Lawrence Berkeley National Laboratory (LBNL)

Margaret Torn's Publications

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Peer-Reviewed Publications

(*indicates student or post doc)

  1. Jones*, A.D., W.D. Collins, and M.S. Torn. 2013. On the additivity of radiative forcing between land-use change and greenhouse gases. Geophysical Research Letters,.  Online July 2013. DOI: 10.1002/grl.50754
  2. Subin*, Z.M., C.D. Koven, W.J. Riley, M.S. Torn, D.M. Lawrence, S.C. Swenson, 2013: Effects of Soil Moisture on the Responses of Soil Temperatures to Climate Change in Cold Regions. J. Climate, 26, 3139–3158.  doi:
  3. Smith*, L.J. and M.S. Torn. 2013. Ecological limits to terrestrial biological carbon dioxide removal.  Climatic Change 118:89–103.   DOI 10.1007/s10584-012-0682-3
  4. Biraud S.C., Torn M.S. , Smith J.R., Sweeney C., Riley W.J., and P. P. Tans. 2013. A multi-year record of airborne CO2 observations in the U.S. Southern Great Plains. Atmospheric Measurement Techniques 6(3): 751-763. doi:10.5194/amtd-5-7187-2012
  5. Jones*, A.D., W.D. Collins, J. Edmonds, M.S. Torn, A. Janetos, K.V. Calvin,  A. Thomson, L.P. Chini, J. Mao, X. Shi, P. Thornton, G.C. Hurtt, M. Wise. 2013. Greenhouse Gas Policy Influences Climate via Direct Effects of Land-Use Change. J. Climate, 26, 3657–3670. doi:
  6. Schaefer, K., et al. 2012. A model-data comparison of gross primary productivity: Results from the North American Carbon Program site synthesis, J. Geophys. Res., 117, G03010, doi:10.1029/2012JG001960.
  7. Castanha, C., M.S. Torn, M.J. Germino, B. Weibel, and L.M. Kueppers. 2012. Conifer seedling recruitment across a forest-to-alpine tundra gradient: Effects of species, provenance, and site. Plant Ecology and Diversity. DOI: 10.1080/17550874.2012.716087
  8. Fischer, M.L, M.S. Torn, D. P. Billesbach, G. Doyle, B. Northup, S.C. Biraud. Carbon, water, and heat flux responses to experimental burning and drought in a tallgrass prairie. 2012. Ag and Forest Met 166: 169-174
  9. Mishra*, U., M.S. Torn, E. Masanet, and S. M. Ogle. 2012. Improving regional soil carbon inventories: Combining the IPCC carbon inventory method with regression kriging. November. Geoderma 189–190: 288–295
  10. Haley, B., J-B. Gallo, A. Kehr, M. Perry, D. Siao, W. Smallen, M.S. Torn, and J.H. Williams. "The 2020 emissions reduction impact of urban water conservation in California." Journal of Water and Climate Change 3, no. 2 (2012): 151-162.
  11. Singh, N. S. Abiven, MS Torn, MWI Schmidt. 2012. Fire-derived organic carbon in soil turns over on a centennial scale. August. Biogeosciences 9, 2847-2857
  12. Santos*, F., M.S. Torn, J.A. Bird. 2012. Biological degradation of pyrogenic organic matter in temperate forest soils. August. Soil Biology and Biochemistry Journal 51:115-124
  13. Sudderth*, E.A. ,  S.B. St Clair*, S.A. Placella*, S.M. Swarbreck*, C. Castanha, D.J. Herman, M.L. Fischer, M. Kleber, E.B. Sudderth, M.S. Torn, M.K. Firestone, G.L. Andersen, and D.D. Ackerly. Annual grassland resource pools and fluxes: Sensitivity to precipitation and dry periods on two contrasting soils. Ecosphere, 3 (8); DOI:10.1890/ES12-00004.1.
  14. Mishra, U., M.S. Torn, and K. Fingerman. Miscanthus biomass productivity within U.S. croplands and its potential impact on soil organic carbon. GCB-Bioenergy online: 10 Aug 2012, DOI: 10.1111/j.1757-1707.2012.01201.x
  15. Hopkins*, F.M., M.S. Torn, S.E. Trumbore. 2012. Warming accelerates decomposition of decades-old carbon in forest soils. PNAS 109 (26) E1753–E1761, doi:10.1073/pnas.1120603109, 11June2012.
  16. Berhe*, A.A., J.W. Harden, M.S. Torn, M. Kleber, S.D. Burton, and J. Harte. 2012. Persistence of soil organic matter in eroding vs. depositional landform positions. June. JGR-Biogeosciences, 117: G02019, doi:10.1029/2011JG001790, 2012
  17. McFarlane*, K.J., M.S. Torn, P.J. Hanson, R.C. Porras, C.W. Swanston, M.A. Callaham, and T.P. Guilderson. 2013. Comparison of soil organic matter dynamics at five temperate deciduous forests with physical fractionation and radiocarbon measurements.  Biogeochemistry 112 (1-3) 457-476 Online May 2012. DOI 10.1007/s10533-012-9740-1
  18. Williams, J.H., A. DeBenedictis, R. Ghanadan, A. Mahone, J. Moore, W.R. Morrow III, S. Price, M.S. Torn. 2012.  The Technology Path to Deep Greenhouse Gas Emissions Cuts by 2050: The Pivotal Role of Electricity. Published Online November 24 2011 Science 6 January 2012: Vol. 335 no. 6064 pp. 53-59 DOI: 10.1126/science.1208365
  19. Schmidt, M.W.I.S., M.S. Torn, S. Abiven, T. Dittmar, G. Guggenberger, I.A. Janssens, M Kleber, I. Kögel-Knabner, J Lehmann, D.A.C. Manning, P. Nannipieri, D.P. Rasse, S. Weiner, S.E. Trumbore. Soil organic matter persistence as an ecosystem property. Nature, 477, 49-56. (Schmidt and Torn are equal co-authors)
  20. Williams*, I., W. Riley, M. Torn, J. Berry, and S. Biraud. 2011. Using boundary layer equilibrium to reduce uncertainties in CO2 flux inversions, Atmospheric Chemistry Physics Discussions, 11, 11455-11495.
  21. Subin*, Z.M., W.J. Riley, J. Jin, D.S. Christianson, M.S. Torn, L.M. Kueppers. 2011. Ecosystem Feedbacks to Climate Change in California: Development, Testing, and Analysis Using a Coupled Regional Atmosphere and Land-Surface Model (WRF3-CLM3.5). Earth Interactions, 15, 1–38. doi:
  22. Mambelli, S, J.A. Bird, G. Gleixner, T.E. Dawson, and M.S. Torn.  Relative contribution of needle and fine root pine litter to the molecular composition of soil organic matter after in situ degradation. In press, Organic Geochemistry.
  23. Salve, R, MS Torn. 2011.  Precipitation and soil impacts on partitioning of subsurface moisture in Avena barbata. Vadose Zone Journal 10: 437-449
  24. Swarbreck*, W. M., Sudderth*, E. A., St.Clair*, S. B., Salve, R., Castanha, C., Torn, M. S., Ackerly, D. D. and Andersen, G. L. (2011), Linking leaf transcript levels to whole plant analyses provides mechanistic insights to the impact of warming and altered water availability in an annual grass. Global Change Biology, 17: 1577–1594. doi: 10.1111/j.1365-2486.2010.02359.x
  25. McKone, T.E., W.W. Nazaroff, P. Berck, M. Auffhammer, T. Lipman, M.S. Torn, E. Masanet, A. Lobscheid, N. Santero, U. Mishra*, A. Barrett, M. Bomberg, K. Fingerman*, C. Scown, B. Strogen, A. Horvath. 2011. Grand Challenges for Life-Cycle Assessment of Biofuels. Environmental Sci & Techn. , 45 (5), pp 1751–1756,  DOI: 10.1021/es103579c
  26. Cusack*, DF, WL Silver, MS Torn, SD Burton, and MK Firestone. 2011. Changes in microbial community characteristics and processing of soil organic matter after chronic nitrogen additions on in two tropical forests. Ecology, doi:10.1890/10-0459.1
  27. Torn, M.S., S. Biraud, C.J. Still, W.J. Riley, J.A. Berry. Seasonal and inter-annual variability in d13C of ecosystem carbon fluxes from 2002-2009 in the U.S. Southern Great Plains. Tellus-B, 63: 181–195, 2011. Online 2010.  doi: 10.1111/j.1600-0889.2010.00519.x,  LBNL-4004E
  28. Plevin*, R.J., M. O’Hare, A.D. Jones*, M.S. Torn, H.K. Gibbs. 2010. The greenhouse gas emissions from biofuels’ indirect land use change are uncertain, but may be much greater than previously estimated. Environmental Sci & Techn. 44 (21), pp 8015–8021 DOI: 10.1021/es101946t
  29. Cusack*, DF, WL Silver, MS Torn, and WH McDowell. Effects of chronic nitrogen additions on above- and belowground carbon dynamics in two tropical forests. Biogeochemistry, DOI: 10.1007/s10533-010-9496-4.
  30. Gaudinski*, J.B.,  M.S. Torn, W.J. Riley, T.E. Dawson, J.D. Joslin, and H. Majdi. 2010. Measuring and modeling the spectrum of fine-root turnover times in three forests using isotopes, minirhizotrons, and the Radix model. Global Biogeochemical Cycles, 24, GB3029, doi:10.1029/2009GB003649.
  31. Luo, Y., J. Melillo, S. Niu, C. Beier, J S. Clark, A.T. Classen, E. Davidson, J.S. Dukes, R.D. Evans, C.B. Field, C.I. Czimczik, M. Keller, B.A. Kimball, L.M. Kueppers, R.J. Norby, S.L. Pelini, E. Pendall, E. Rastetter, J. Six, M. Smith, M. Tjoelker, and M.S. Torn. 2010.. Coordinated approaches to quantify long-term ecosystem dynamics in response to global change. Global Change Biology, DOI: 10.1111/j.1365-2486.2010.02265.x
  32. Parton, W. J., P. J. Hanson, C. Swanston, M. Torn, S. E. Trumbore, W. Riley, and R. Kelly. 2010. ForCent model development and testing using the Enriched Background Isotope Study experiment, J. Geophys. Res., 115, G04001, doi:10.1029/2009JG001193.
  33. Fingerman*, K., M.S. Torn, M. O’Hare, and D. Kammen. 2010. Accounting for the water impacts of ethanol production. Environmental Research Letters 5: 1 – 7. doi:10.1088/1748-9326/5/1/014020
  34. Cusack*, D.F., M.S. Torn, W. H. McDowell, and W. Silver. 2010. The response of heterotrophic activity and carbon cycling to nitrogen additions and warming in two tropical soils. Global Change Biology, 16: 2555–2572. doi: 10.1111/j.1365-2486.2009.02131.x
  35. Riley, W.J., S.C. Biraud, M.S. Torn, M.L. Fischer, D.P. Billesbach, J.A. Berry. 2009. Regional CO2 and Latent Heat Surface Fluxes in the Southern Great Plains: Measurements, Modeling, and Scaling, JGR-Biogeosciences 114, G04009, doi:10.1029/2009JG001003.
  36. Riley, W.J., J.B. Gaudinski*, M.S. Torn, J.D. Joslin, and P.J. Hanson. 2009. Fine root mortality rates in a temperate forest: estimates using radiocarbon data and numerical modeling.  New Phytologist 184(2): 387-398
  37. St.Clair*, S.B., E. Sudderth*, C. Castanha, M.S. Torn, and D. Ackerly. 2009. Plant responsiveness to soil moisture and nitrogen is consistent across the functional diversity of a California annual grassland. Journal of Vegetation Science 20: 860–870.
  38. Still, C.J., Riley, W.J., Biraud, S.C., Noone, D.C., Buenning, N.H., Randerson J.T., Farquhar G.D., Torn M.S., and J.A. Berry. 2009. The influence of clouds and diffuse radiation on ecosystem-atmosphere CO2 and C18OO exchanges. Journal of Geophysical Research – Biogeosciences 114, G01018, doi:10.1029/2007JG000675. (LBNL-2155E) 
  39. St.Clair*, S.B., E. Sudderth*, M.L. Fischer, M.S. Torn, S. Stuart, R. Salve, D. Egget, and D. Ackerly. 2009. Variation in soil moisture and N availability modulates carbon and water exchange in a California grassland experiment. Global Change Biology 15(12):3018–3030, doi: 10.1111/j.1365-2486.2009.01862.x
  40. Gaudinski*, J.B.,  M.S. Torn, W.J. Riley, C. Swanston*, S.E. Trumbore, J.D. Joslin, H. Majdi, T.E. Dawson, and P.J. Hanson. 2009. The use of stored carbon reserves in growth of temperate tree roots and leaf buds: analyses using radiocarbon measurements and modeling. Global Change Biology 15:992–1014. (LBNL-2136E)
  41. Hammes*, K., M.S. Torn, A.G. Lapenas and M.W.I. Schmidt. 2008. Centennial black carbon turnover observed in a Russia steppe soil. European Biogeosciences Journal, bg-5-1339-2008.html (LBNL-2343E)
  42. Xiao, Jingfeng, Q. Zhuang, D.D. Baldocchi, B.E. Law, A.D. Richardson, J. Chen, R. Oren, G. Starr, A.  Noormets, S. Ma, S.B. Verma, S. Wharton, S.C. Wofsy, P.V. Bolstad, S.P. Burns, D.R. Cook, P.S. Curtis, B.G. Drake, M. Falk, M.L. Fischer, D.R. Foster, L. Gu, J.L. Hadley, D.Y. Hollinger, G.G. Katul, M. Litvak, T.A. Martin, R. Matamala, S. McNulty, T.P. Meyers, R.K. Monson, J.W. Munger, W.C. Oechel, K.T. Paw U, H.P. Schmid, R.L. Scott, G. Sun, A.E. Suker, M.S. Torn. 2008. Estimation of Net Ecosystem Carbon Exchange for the Conterminous United States by Combining MODIS and AmeriFlux Data. Agricultural and Forest Meteorology 148:1827-1847, doi:10.1016/j.agrformet.2008.06.015
  43. Harden, J.W., A.A. Berhe*, M.S. Torn, J. Harte, S. Liu, and R.F. Stallard. 2008. Soil Erosion: Data Say C Sink. Letter. Science 11 April 2008: 178-179.
  44. Lapenis A.G., G.B. Lawrence, S. Baily, B.F. Aparin, A.I. Shiklomanov, N.A. Speranskaya, M.S Torn, M. Calef. 2008.. Climatically driven loss of calcium in steppe soil as a sink for atmospheric carbon. Global Biogeochemical Cycles, V22, GB2010, doi:10.1029/2007GB003077.
  45. Bird*, J.A., M.A. Kleber, and M.S. Torn. 2008. 13C and 15N stabilization dynamics in soil organic matter fractions during needle and fine root decomposition. Organic Geochemistry, 39(4): 465-477
  46. Fried, J.S., J.K. Gilless, W.J. Riley, T.J. Moody, C. Simon de Blas, K. Hayhoe, M. Moritz, S. Stephens, M.S. Torn. 2008. Predicting the effect of climate change on wildfire behavior and initial attack success. Climatic Change 87:251-264. 10.1007/s10584-007-9360-2
  47. Marín-Spiotta*, E., C.W. Swanston, M.S. Torn, W.L. Silver, and S.D. Burton. 2008. Chemical and mineral control of soil carbon turnover in reforested pastures. Geoderma, 143:49-62.
  48. Fischer, M.L, Billesbach, D.P., Riley, W.J, Berry, J.A., and M.S. Torn. 2007. Spatiotemporal variations in growing season exchanges of CO2, H2O, and sensible heat in agricultural fields of the Southern Great Plains.  Earth Interactions, Vol 11, Paper 17, 21 pp
  49. Berhe*, A.A., J. Harte, J.W. Harden, and M.S. Torn. 2007. The significance of the erosion-induced terrestrial carbon sink. Bioscience 57(4): 337-346.
  50. Bird*, J.A. and M.S. Torn. 2006. Fine Roots versus Needles: A Comparison of 13C and 15N dynamics in a ponderosa pine forest soil. Biogeochemistry 79(3):53-67, DOI 10.1007/s10533-005-5632
  51. Joslin, J.D., J.B. Gaudinski*, M.S. Torn, W.J. Riley, and P.J. Hanson. 2006. Unearthing live fine root turnover times in a hardwood forest: the roles of root diameter, soil depth, and root branching order. New Phytologist 172: 523-535
  52. Torn, M.S. and J. Harte. 2006. Missing feedbacks, asymmetric uncertainties, and the underestimation of future warming. Geophys. Res. Lett., 33, L10703, doi:10.1029/2005GL025540.
  53. Treseder, K.K. , M.S. Torn, C.A. Masiello*. 2006. An ecosystem-scale radiocarbon tracer to test use of litter carbon by ectomycorrhizal fungi. Soil Biology and Biochemistry 38(5): 1077-1082
  54. Mikutta*, R. M. Kleber, M.S. Torn, and R. Jahn. 2006. Stabilization of soil organic matter: association with minerals or chemical recalcitrance? Biogeochemistry 77:25-56
  55. Rasmussen*, C, M.S. Torn, and R.J. Southard. 2005. Soil mineral assemblage and aggregates control soil carbon dynamics in a California conifer forest. Published online 29 September 2005; doi:10.2136/sssaj2005.0040 Soil Sci Soc Am J 2005 69:1711-1721.
  56. Kleber, M, R. Mikutta*, M.S. Torn, and R. Jahn. 2005. Poorly-crystalline mineral phases protect organic matter in acid subsoil horizons. European Journal of Soil Science 56:717–725.
  57. Torn, M.S., P.M. Vitousek, and S.E. Trumbore. 2005. The influence of nutrient availability on soil organic matter turnover estimated by incubations and radiocarbon modeling. Ecosystems 8: 352-372.
  58. Swanston*, C.W., M.S. Torn, P.J. Hanson, J.R. Southon, C.T. Garten, E.M. *Hanlon, L. Ganio. 2005. Characterizing processes of soil carbon stabilization using forest stand-level radiocarbon enrichment. Geoderma 128:52–62.
  59. Cooley*, H.S., W.J. Riley, M.S. Torn, and Y. He. 2005. Impact of agricultural practice on regional climate in a coupled land surface mesoscale model. JGR-Atmospheres v110, D03113.
  60. Masiello*, C.A., O.A. Chadwick, J. Southon, M.S. Torn, and J.W. Harden. 2004. Mechanisms of carbon storage in grassland soils. Global Biogeochemical Cycles 18(4): GB4023 10.1029/2004GB002219
  61. Fried, J.S., M.S. Torn, and E. Mills. 2004. The impact of climate change on wildfire severity: a regional forecast for Northern California. Climatic Change, 64 (1-2): 169-191
  62. Billesbach, D.P., M.L. Fischer, M.S. Torn, and J.A. Berry. 2004. A portable eddy covariance system for the measurement of ecosystem-atmosphere exchange of CO2, water vapor, and energy, The Journal of Atmospheric and Oceanic Technology, 21: 684-695
  63. Lapenis, A.G., G.B. Lawrence, A.A. Andreev, A.A. Bobrov M.S. Torn, J.W. Harden. 2004. Acidification of forest soil in Russia: 1893-present. Global Biogeochemical Cycles, 18 (1): GB1037
  64. Torn, M.S., S. Davis, J.A. Bird, M.R. Shaw, M.E Conrad. 2003. Automated analysis of 13C/12C ratios in CO2 and dissolved inorganic carbon for ecological and environmental applications. Rapid Communications in Mass Spectrometry 17(23):2675-2682
  65. Kahle*, M., M. Kleber, M.S. Torn and R. Jahn. 2003. Carbon storage in coarse and fine clay fractions of illitic soils. Soil Science Society of America Journal, 67:1732-1739.
  66. Riley, W.J., C.J. Still, M.S. Torn, and J.A. Berry. 2002. A mechanistic model of H218O and C18OO fluxes between ecosystems and the atmosphere: Model description and sensitivity analyses. Global Biogeochemical Cycles, 16, 1095-1109.
  67. Torn, M.S., Lapenis, A.G., Timofeev, A. Fischer, M., Babikov, I., Harden, J. 2002. Organic carbon and carbon isotopes in modern and 100-year-old soil archives of the Russian steppe. Global Change Biology, 8:941-953.
  68. Torn, M.S. and J. Southon. 2001. A new 13C correction for radiocarbon samples from elevated-CO2 Experiments. Radiocarbon, 43: 691-694.
  69. Rillig, M.C., S.F. Wright, K.A. Nichols, W.F. Schmidt, and M.S. Torn. 2001. Large contribution of arbuscular mycorrhizal fungi to soil carbon pools in tropical forest soils. Plant and Soil, 233(2): 167-177.
  70. Lapenis, A.G., M.S.Torn, J.W. Harden, K. Hollocker, B.V. Babikov, A.I. Timofeev, M.I. Hornberger, R. Nattis. 2000. Scientists unearth clues to soil contamination by comparing old and new soil samples, EOS 81(7): 55-57.
  71. Saleska, S.R., J. Harte, and M.S. Torn. 1999. The effect of experimental ecosystem warming on CO2 fluxes in a montane meadow. Global Change Biology 5:125-141.
  72. Torn, M.S., S.E. Trumbore, O.A. Chadwick, P.M. Vitousek, and D.M. Hendricks. 1997. Mineral control over soil carbon storage and turnover. Nature 389:170-173.
  73. Chapin III, F.S., M.S. Torn and M. Tateno. 1996. Principles of ecosystem sustainability. American Naturalist 148(6): 1016-1037.
  74. Torn, M.S. and J. Harte. 1996. Methane consumption by montane soils: implications for positive and negative feedback with climatic change. Biogeochemistry 32: 53-67.
  75. Harte, J., M.S. Torn, F. Chang, B. Feifarek, A. Kinzig, M.R. Shaw, and K. Shen. 1995. Results from a global warming experiment: Soil temperature and moisture responses in a subalpine meadow ecosystem. Ecological Applications 5(1): 132-150.
  76. Torn, M.S. and F.S. Chapin III. 1993. Environmental and biotic controls over methane flux from arctic tundra. Chemosphere 26 (1-4): 357-368.
  77. Torn, M.S. and J.S. Fried. 1992. Predicting the impact of global warming on wildfire. Climatic Change 21: 257-274.
  78. Fried, J.S. and M.S. Torn. 1990. Analyzing localized climate impacts with the Changed Climate Fire Modeling System. Natural Resource Modeling 4(2): 229-253.

In Review

  • Koven, C.D., W. J. Riley, Z. M. Subin, J. Y. Tang, M. S. Torn, W. D. Collins, G. B. Bonan, D. M. Lawrence, and S. C. Swenson. The effect of vertically-resolved soil biogeochemistry and alternate soil C and N models on C dynamics of CLM4.  Submitted, Biogeosciences.
  • Torn, M.S., M. Kleber, E. S. Zavaleta, B. Zhu, C. B. Field, and S. E. Trumbore. Soil carbon turnover: A dual isotope approach to isolate carbon pools. Submitted, Biogeosciences

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Books and Book Chapters

    1. Torn, M.S., C.W. Swanston, C. Castanha, S.E. Trumbore. 2009. Storage and turnover of natural organic matter in soil. In: IUPAC Series on Biophysico-chemical Processes in Environmental Systems; Volume 2-Biophysico-chemical processes involving natural nonliving organic matter in environmental systems. Series Editors: P. M. Huang and N. Senesi. LBNL-810E.
    2. Jensen, D.B., M.S. Torn, and J. Harte. 1993. In Our Own Hands: A Strategy for Conserving California's Biological Diversity, University of California Press, Los Angeles. 290 pp.
    3. Harte, J., M.S. Torn, and D.B. Jensen. 1992. The nature and consequences of indirect linkages between climate change and biological diversity. In: Global Warming and Biological Diversity, R.L. Peters and T.E. Lovejoy, eds. Yale University Press, New Haven. pp. 325-343.

    Selected Non-Refereed Publications

    1. Trumbore, S., M. Torn, and L. Smith. 2011. Constructing a database of terrestrial radiocarbon measurements, Eos Trans. AGU, 92(43), 376, doi:10.1029/2011EO430006. Published 25 October 2011.
    2. Ekstrom, J.A., S.C. Moser, M.S. Torn. 2010.  Barriers to Adaptation: A Diagnostic Framework. Report to the California Energy Commission for Project Greenhouse Gas Abatement and Climate Change. April 30, 2010. 80 pp.
    3. Fingerman, K.R., M.S. Torn, and D.M. Kammen. 2010. Water Impacts of Biofuel Extend Beyond Irrigation. e-Letter. Science. 3 February 2010
    4. Michael W. I. Schmidt, Margaret S. Torn, Daniel Rasse, Ingrid Kögel-Knabner, David Manning, José Gonzalez-Perez, Paolo Nannipieri, Thorsten Dittmar, Georg Guggenberger, Ivan Janssen, Steve Weiner, Markus Kleber, Susan Trumbore, and Johannes Lehmann. Dynamic Soil Organic Matter – From black box models to mechanistic predictions. Report to the European Science Foundation. November 2009.
    5. Hanson et al. Ecosystem experiments: Understanding climate change impacts on ecosystems and feedbacks to the physical climate.  Report of the workshop on Exploring Science Needs for the Next Generation of Climate Change and Elevated-CO2 Experiments in Terrestrial Ecosystems. April 2008
    6. Kerr, A. and M.S. Torn. 2008. Greenhouse Gas Inventory Methods. A report for the Climate Change Research Plan Update, California Energy Commission. 
    7. Oldenburg, C.M. and M.S. Torn (and workshop participants). 2008. Biologically Enhanced Carbon Research Needs and Opportunities. Whitepaper prepared for the Energy Biosciences Institute.
    8. Kueppers, L., M.S. Torn, and J. Harte. 2007. Quantifying ecosystem feedbacks to climate change: observational needs and priorities. A report to the Office of Biological and Environmental Research, DOE.
    9. Fried, J.S., J.K. Gilless, W.J. Riley, T.J. Moody, C. Simon de Blas, K. Hayhoe, M. Moritz, S. Stephens, M.S. Torn. 2006. Predicting the effect of climate change on wildfire severity and outcomes in California: Preliminary analysis. For: California Climate Change: Science Report to Governor on Impacts and Adaptation Options.
    10. Trumbore, S.E. and M.S. Torn.  Soils and the Global Carbon Cycle. In: Soils and Global Change, EA Holland, ed. NATO Advanced Study Institute 1997, LBNL-44910, 2005. (click here for pdf)
    11. Denning, S., R. B. Cook, L. Dilling, L. Heath, D. McGuire, B. McKee C. Sabine, R. Oren, K. Paustian, J. Randerson, J. Reilly, S. Running, R. Stallard, M.S. Torn, S. Wofsy. 2005. Interagency Science Implementation Strategy for the North American Carbon Program. Report of the U.S. Interagency Carbon Cycle Science Program. Washington, DC: US Global Change Research Program.
    12. Farrell, A.E., A.C. Kerr, A.R. Brandt, M.S. Torn, and G. Franco. 2004. Research Roadmap for Greenhouse Gas Inventory Methods. Prepared for the California Energy Commission PIER (Public Interest Energy Research) program.
    13. Hanneman, M. and M.S. Torn. 2003. Review Chapter. In: Global Climate Change and California: Potential Implications for Ecosystems, Health, and Economy. California Energy Commission.
    14. Torn, M.S., C. Masiello, I. Basile-Doelsch, N. Bijoor, and R. Sutton. 2002. Mineral control of carbon storage in Andisols: Case studies and applications to other soils. In: Kleber, M., P. Bartoli, and O. Arnalds. Mineralogy related features and processes common to European Andosols. COST Action 622: "Soil Resources of European Volcanic Systems" Manderscheid, Germany, April 24-28, 2002. (conference proceedings). LBNL-53797 Ext. Abs.
    15. Hedin, L. O. Chadwick, J. Schimel, M. Torn, and workshop participants. 2002. Linking Ecological Biology and Geoscience. Report to the National Science Foundation April 4, 2002. Workshop held at the Annual meeting of the Ecological Society of America, August 4-5 2001, Madison, Wisconsin
    16. Barnes, F.J., S.M. Benson, and M.S. Torn, co-chairs. 2002. DOE Water Cycle Research Strategy. December 2001. U.S. Department of Energy, Office of Science, Office of Biological and Environmental Research. DOE-SC-0043.
    17. Berner, R. and workshop participants. 2001. The Changing Carbon Cycle: A Terrestrial Focus. Report of the Workshop on theTerrestrial Carbon Cycle. Sponsored by The National Science Foundation, Division of Earth Sciences, June 3, 2000. Workshop Participants: Michael Bender, Robert Berner, Katherine H. Freeman, Chris Field, James Galloway, John Hedges, Lars O. Hedin, Fred Mackenzie, Claudia Mora, Joshua Schimel, William Schlesinger, Robert Stallard, Eric Sundquist, Margaret Torn, Steven C. Wofsy.
    18. Billesbach, D.P., M.L. Fischer, J.A. Berry and M.S. Torn (2001) A highly portable, rapidly deployable system for eddy covariance measurements of CO2 fluxes. LBNL Report. LBNL-48953.
    19. Torn, M.S., E. Mills, and J.S. Fried. 1999. Will climate change spark more wildfire damage? Contingencies: American Academy of Actuaries. July/August p. 34-43. LBNL Report No. 42592.
    20. Torn, M.S. 1994. Environmental Controls over Methane Flux from Ecosystems and the Potential for Feedbacks with Climatic Change. Ph.D. Dissertation, University of California, Berkeley.
    21. Torn, M.S. 1993. Global Warming and Upwelling Ecosystems. In: California Sea Grant: Biennial Report of Completed Projects, 1988-1990. California Sea Grant College, U.C. San Diego.
    22. Jensen, D.B., M.S. Torn, and J. Harte. 1991. In Our Own Hands: A strategy for conserving biological diversity in California.  California Policy Seminar, Berkeley, CA.  220 pp.
    23. Torn, M.S. 1990. The Threats to Biological Diversity in California.  Masters Thesis, Energy and Resources Group, U.C. Berkeley.  65 pp.
    24. Torn, M.S., J.E. DeGrange, and J.H. Shinn. 1988. The Effects of Acidic Deposition on Alberta Agriculture: A review.  Acid Deposition Research Program.  Calgary, Alberta.  160 pp.

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      Invited Presentations, 1999-2013

      (more than 200 presentations presented or co-presented):

        1. Soil warming and the vulnerability of old soil organic carbon.  DOE SBR/TES PI Meeting, Bolger Center, Bethesda, MD, May 14, 2013
        2. What happens to Earth's climate when the permafrost thaws? Science in the Theater. Berkeley, CA. April 22, 2013.
        3. Carbon – Ecosystems – Climate, and Technology path to deep greenhouse gas reductions by 2050. University of Zurich, Zurich, Switzerland. April 15, 2013.
        4. Pathways to 2050: Modeling a Low-Carbon Future. United Nations Sustainable Development Solutions Network. New York City, NY. April 9, 2013. (co-presented with Jim Williams)
        5. The Terrestrial Carbon Cycle: Implications for Climate Feedbacks and Mitigation. Life Sciences Seminar, Life Sciences Division, Berkeley Lab. January 8, 2013.
        6. Two Aspects of Soils in Global Change: Challenges for models. SOM-5 Unifying concepts of organic matter (de-)stabilization in terrestrial and aquatic systems. Ascona, Switzerland. October 9, 2012
        7. Terrestrial Ecosystem Science SFA. Environmental Microbiology Program, Berkeley Lab. September 5, 2012.

        8. Linking new process understanding with Ecosystem carbon models. Terrestrial Ecosystem Science PI meeting, Washington, DC, April 24, 2012.
        9. A radiocarbon database for improving understanding of global soil carbon dynamics  (with
        10.  L. Smith, S.E. Trumbore, J. Harden, T. Baisden, L. Nave, and D. Agarwal). AGU Fall Meeting, San Francisco, CA, December 7, 2012.      
        11. Secrets of the Soil, Science at the Theater series, Berkeley Repertory Theater, Berkeley California, November 7, 2011 
        12. Trees in Mountain Alpine Zones? And other potential warming impacts & mitigations. Barrow Arctic Research Center. August 20, 2011. 
        13. Video Interview about NGEE in Barrow, Alaska, August 19, 2011.
        14. Sit down with Sabin, July 6, 2011: 
        15. Terrestrial Carbon Dioxide Removal: Ecological Limits and Impacts. Modeling and Policy of CO2 Removal from the Atmosphere, International Center for Cliamte Governance, Venice, Italy, May 30-31, 2011.   (Margaret Torn, Lydia Smith, and Andy Jones)
        16. Empirical perspective: Soil Carbon Cycle. INTERFACE Workshop, Captiva Island, FL, March 2, 2011
        17. Integrating mechanisms into soil carbon models for global simulations. Invited presentation at AGU Fall Meeting, San Francisco, CA, December 15, 2011.      
        18. Soil carbon dynamics in a changing world: Shifting paradigms? Soil Science Zvieri, University of Zurich, Sept 29, 2011.
        19. Soil carbon dynamics in a changing world: Shifting paradigms? SOM 2010, Hyères, France, September 22, 2011.
        20. Carbon Cycling in Terrestrial Ecosystems Research Challenges and Opportunities. Department of Energy Subsurface Biogeochemical Research workshop, Washington, DC, March 28-31, 2010
        21. Isotopic Disequilibria in 13CO2 fluxes in the U.S. Southern Great Plains. Invited presentation at AGU Fall Meeting, San Francisco, CA, December 18 2009.
        22. Global change and feedback from organic carbon dynamics: Defining research visions on how to quantify the molecular-level mechanisms driving soil organic matter turnover. Soil Science Zvieri, University of Zurich, October 7, 2009.
        23. Climate Change Science and GHG Emissions Reduction Modeling. European Commission’s Learning and Development Unit, Brussels, Belgium. September 29, 2009. (Presented by Jim Williams)
        24. Workshop Presentations for Department of Energy and presentations for the Berkeley Lab Directorate, various dates in 2009.
        25.  Soil Carbon Vulnerability and Black Carbon Stability. Invited presentation at AGU Fall Meeting, San Francisco, CA, December 16 2008.      
        26.  The Direct Effects of land use and land cover change for Biofuels. Workshop on Measuring and Modeling the Lifecycle GHG Impacts of Transportation Fuels. EDF-ERG-EBI. Berkeley, CA, July 1-2, 2008.
        27. Effects of erosion on CO2 and N2O fluxes accompanying land use change. Greenhouse Gas Emissions from Biofuels Workshop, Berkeley, CA, June 9-10, 2008. Sponsored by EBI.
        28. Mission and Discovery: Big Science and Little Science at a National Laboratory. Invited talk for the German-American Conference on Organization, Research Management, and Science Policy, How Do We Know What We Know about Climate Change? University of California, Berkeley, April 24-26, 2008.
        29. CLASIC Carbon Air. The CLASIC workshop. March 26-27, Norman, Oklahoma.
        30. Ecosystem feedbacks in the climate system and the role of soils. Environmental Engineering Seminar, University of California, Berkeley, February 29, 2008.
        31. Linking the Response of Annual Grasslands to Warming and Altered Rainfall Across Scales of Gene Expression, Species, and Ecosystem, invited presentation at AGU Fall Meeting, San Francisco, CA,  December 14 2007.      
        32. Annual Grassland Response to Altered Precipitation and Temperature: genes, species, and ecosystem, invited talk in “Ecosystem responses to experimental warming and other global climate change factors,” Ecological Society of America annual meeting, San Jose, CA, August 8, 2007.
        33. Isotope research opportunities, FACE Workshop, Oak Ridge, TN, June 6, 2007.
        34. Ecosystem-Climate Interactions, Poster and flash slide presentation, German American Frontiers of Science, Kavli Frontiers of Science, National Academy of Sciences, Irvine, CA, June 1, 2007.
        35. Speaker at Earth Day rally on Sproul Plaza, UC Berkeley, April 20, 2007.
        36. Belowground Carbon Cycling and Root Modeling, Enriched Background Isotope Study workshop, New Orleans, LA, April 12, 2007. 
        37. Climate Change: In your lifetime. Presented to the American Junior Academy of Sciences, Lawrence Berkeley National Laboratory, February 15, 2007.
        38. The Risk of Climate Change: What it Means for California. First Friday Forum, Lafayette, California February 2, 2007
        39. Asymmetries in Climate Change Feedbacks: Why the Future may be Hotter Than you Think. AGU Fall Meeting, San Francisco, CA, December 12, 2006.
        40. Climate Change: Facing the Impacts Now. Santa Rosa Jr College, Arts and Lectures Series. Santa Rosa, CA, October 11, 2006.
        41. Climate Change Feedbacks and the Future Role of Soils. USGS Western Colloquium. Menlo Park, CA, August 14, 2006
        42. Local Impacts of Global Warming, Presented to representatives from Alameda county and all its cities for the ICLEI Alameda Kickoff, Berkeley, CA, June 15, 2006.
        43. Next Generation Soil Carbon  Models: Lessons from Isotopic Studies. Keynote address for the German  Soil Priority Program 1090, Mechanisms of Soil Organic Matter  Stabilization. Thurnau, Germany, March 21, 2006.
        44. Are roots the source of all soil organic matter? Results from  isotopic experiments in two temperate forests, AGU Fall meeting, San  Francisco, 2005
        45. From Mechanisms to Models. Final talk for the Second International  Conference on Mechanisms of Soil Organic Matter Stabilization. Asilomar,  CA, October 13, 2006.
        46. TCP Soil Carbon Research, for the DOE/BER (BERAC) Carbon Cycle  Research Review, Washington DC, Oct 4-6 2006, with contributions from J.  Jastrow, R. Matamala, E. Paul, S. Morris, C. Garten, and P. Hanson.
        47. Regional Analysis: ARM, for the DOE/BER  (BERAC) Carbon Cycle Research Review, Washington DC, Oct 4-6 2006.
        48. Women in Science. Panel discussion for Girls, Inc Alameda, Women of the 21st Century Club. Alameda, CA, July 19, 2005.
        49. An Annual Grassland Exploration of Scaling from Genomes to Ecosystem  Function. Program for Ecosystem Research Workshop, Flagstaff, AZ, April  12, 2005
        50. Climate-Ecosystem Feedbacks: Observational Needs and Opportunities: A  scoping project for the US Climate Change Science Program. Program for  Ecosystem Research Workshop, Flagstaff, AZ, April 12, 2005
        51. EBIS Microbial Carbon Cycling rates and substrates. Enriched Background Isotope Study Workshop, Livermore, CA, January 20, 2005.
        52. Modeling wildfire and changing climates. Fire Ecology Seminar. University of California, Berkeley. September 2004.
        53. Soil Carbon Dynamics in Two Novel Cases: The Historic Russian  Archives and the Tennessee Burp. Informal Seminar. University of Zurich,  Switzerland. May 2004.
        54. Climate Change: Bringing it Back Home. Berkeley Lab Friends of  Science Lecture Series. Berkeley City Main Library, April 26, 2004.
        55. Biotic and biogeochemical feedbacks to climate change. AGU fall  meeting, San Francisco, CA, December 2002. Presented by John Harte.
        56. Mineral control of carbon storage in Andisols: Case studies and  applications to other soils. European Union workshop. COST Action 622:  "Soil Resources of European Volcanic Systems" Manderscheid, Germany,  April 24-28, 2002. *Keynote address.
        57. Applications of Radiocarbon to Terrestrial Carbon Research. Martin Luther University, April 30, 2002, Halle, Germany.
        58. Quantifying the Importance of Belowground Plant Allocation for  Sequestration of Carbon in Soil. DOE Science Team Meeting, Argonne  National Laboratory, IL. October 29-31, 2001
        59. Historic Russian Soil Collection Soil Carbon in the Russian Steppe.  Workshop on Mechanisms of Soil Carbon Storage, UC Santa Barbara,  December 3-4, 2001.
        60. Using 13C and 14C in Elevated CO2 Experiments to Understand Soil  Carbon Cycling in Grasslands. Workshop on Mechanisms of Soil Carbon  Storage, UC Santa Barbara, December 3-4, 2001.
        61. Using 13C and 14C in Elevated CO2 Experiments to Understand Soil  Carbon Cycling and Microbial Activity in Grassland. Isotopes in Ecology  and the Earth Sciences at UC Berkeley; Berkeley Center for Stable  Isotope Biogeochemistry, Berkeley, CA, August 2000.
        62. Ecological Complexity and Climate Change; California Energy  Commission Workshop on Climate Change Science, Sacramento, CA, June  1999.
        63. Mineral Control of Soil Organic Matter Storage and Turnover. Center  For Accelerator Mass Spectrometry Seminar Series, Lawrence Berkeley  National Laboratory, 1999.

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