Bonanza Creek LTER
Bonanza Creek LTER
About Us | Personnel | Data | Publications | Research | Links | Outreach | LTER Sites Search:
Jen Harden

Jennifer Harden
Telephone (primary): (650) 329-4949
Telephone (secondary): (650) 329-5292
Fax: (650) 329-4920
E-mail1 (primary): jharden@usgs.gov
E-mail2 (secondary):
Web URL: http://carbon.wr.usgs.gov/Harden.html

Address:
U.S. Geological Survey 345 Middlefield Road, MS 962
Menlo Park, CA 94025
United States
Official position at
address above:		 Bonanza Creek LTER Personnel
Educational Institutions
attended:		 Ph.D., 1982, Soil Science, University of California Berkeley
M. S., 1979, Soil Science, University of California Berkeley
B.S., 1976, Soil Science, University of California Berkeley
Roles/Affiliations: United States Geological Survey

Study Areas

Core Areas: Climate Sensitivity
Disturbance
Modeling/Synthesis
Organic Matter/Decomposition
Primary Production
Soils
Categories: Biogeochemistry
Climate
Disturbance
Soils
Succession
Keywords: carbon
chronosequence
fires
nitrogen
organic matter
soil

Datasets

  • Active Layer Depth Data for the BBC collapse scar for 2003 and 2004
  • Average D and 18O isotope data for a core from the center and moat of the BBC collapse scar: Bonanza Creek Experimental Forest Flood Plains
  • Biomass, %N, and %C data for the BBC collapse scar for 2003 and 2004
  • Bonanza Creek Experimental Forest: Hourly Soil Moisture at varying depths from 1988 to Present
  • Bonanza Creek moisture gradient physical data at BZBS: hourly temperature, moisture and photosynthetically active radiation.
  • Bonanza Creek moisture gradient physical data at BZDE: hourly temperature, moisture and photosynthetically active radiation.
  • Bonanza Creek moisture gradient physical data at BZEC: hourly temperature, moisture and photosynthetically active radiation.
  • Bonanza Creek moisture gradient physical data at BZTG: hourly temperature, moisture and photosynthetically active radiation.
  • Bonanza Creek moisture gradient physical data at BZWB: hourly temperature, moisture and photosynthetically active radiation.
  • Bonanza Creek moisture gradient soil core data: 2004.
  • Bonanza Creek moisture gradient soil core data: 2005.
  • CO2, CH4, and H2O flux data and associated environmental variables for the BBC collapse scar for 2004
  • Delta Junction fire-chronosequence soil database: carbon, nitrogen, bulk density, and other properties
  • Ground cover and biomass projection photos for the BBC collapse scar
  • Growing Season D and 18O isotope data for a core from the center and moat of the BBC collapse scar: Bonanza Creek Experimental Forest Flood Plains
  • Meteorological data for the BBC collapse scar for 2003 and 2004
  • Raw D and 18O isotope data for a core from the center and moat of the BBC collapse scar: Bonanza Creek Experimental Forest Flood Plains
  • Raw Diatom assemblages for 3 cores from the center, moat and surrounding burn (0, 12, and 30 m) of the BBC collapse scar
  • Soil data for cores from a transect from the center of the BBC collapse scar into the surrounding burn
  • Summary Diatom assemblages for 3 cores from the center, moat and surrounding burn (0, 12, and 30 m) of the BBC collapse scar
  • Tree ring width data for trees adjacent to the BBC collapse scar
    		•

    Publications (33)

    Journal Articles:

    Harden, J.W., S.E. Trumbore, B.J. Stocks, A. Hirsh, S.T. Gower, K.P. O'Neil, and E.S. Kasischke. 2000 The role of fire in the boreal carbon budget. Global Change Biology 6(Suppl. 1):174-184.

    Randerson, J.T., F.S. Chapin III, J. Harden, J.C. Neff and M.E. Harmon. 2002 Net ecosystem production: A comprehensive measure of net carbon accumulation by ecosystems. Ecological Applications 12:937-947.

    Schuur, E.A.G., M.C. Mack, J.W. Harden and S.E. Trumbore. 2003 The isotopic composition of carbon dioxide from a boreal forest fire: inferring carbon loss from measurements and modeling. Global Biogeochemical Cycles 17(1), 1001.

    Zhuang, Q., A.D. McGuire, J. Harden, K.P. O'Neill, V.E. Romanovsky and J. Yarie. 2003 Modeling soil thermal and carbon dynamics of a fire chronosequence in interior Alaska. Journal of Geophysical Research 108(D1):8147. 10.1029/2001JD001244.

    Zhuang, Q., A.D. McGuire, J.M. Melillo, J.S. Clein, R.J. Dargaville, D.W. Kicklighter, R.B. Myneni, J. Dong, V.E. Romanovsky, J. Harden, and J.E. Hobbie. 2003 Carbon cycling in extratropical terrestrial ecosystems of the Northern Hemisphere during the 20th Century: A modeling analysis of the influences of soil thermal dynamics. Tellus 55B:751-776.

    Harden, J.W., J.C. Neff, D.V. Sandberg, M.R. Turetsky, R. Ottmar, G. Gleixner, T.L Fries, K.L. Manies. 2004 Chemistry of burning the forest floor during the FROSTFIRE experimental burn, interior Alaska, 1999. Global Biogeochemical Cycles 18, no.3 (2004) p. GB3014 1-13.

    Yoshikawa, K., P.P. Overduin and J.W. Harden. 2004 Moisture content measurements of moss (Sphagnum spp.) using commercial sensors. Permafrost Periglacial Processes 15:309-318.

    Manies, K.L., Harden, J.W., Bond-Lamberty, B., and ONeill, K.P. 2005 Woody debris along an upland chronosequence in boreal Manitoba and its impact on long-term carbon storage. Canadian Journal of Forest Research 35: 472-482.

    Neff J.C., J.W. Harden, and G. Gleixner. 2005 Fire effects on soil organic matter content and composition in boreal interior Alaska. Canadian Journal of Forest Research. 35(9): 2178-2187

    Overduin, P. P., Yoshikawa, K., Kane, D. L., Harden, J. 2005 Comparing electronic probes for volumetric water content of low bulk-density feathermoss. Sensor Review 25: 215-221.

    Carrasco, J.J., Neff, J.C., and Harden, J.W. 2006 Modeling physical and biogeochemical controls over carbon accumulation in a boreal forest soil. Journal of Geophysical Research 111, G02004, doi:10.1029/2005JG000087

    Chapin, F.S., III, G.M. Woodwell, J.T. Randerson, G.M. Lovett, E.B. Rastetter, D.D. Baldocchi, D.A. Clark, M.E. Harmon, D.S. Schimel, R. Valentini, C. Wirth, J.D. Aber, J.J. Cole, M.L. Goulden, J.W. Harden, M. Heimann, R.W. Howarth, P.A. Matson, A.D. McGuire, J.M. Melillo, H.A. Mooney, J.C. Neff, R.A. Houghton, M.L. Pace, M.G. Ryan, S.W. Running, O.E. Sala, W.H. Schlesinger, and E.-D. Schulze. 2006 Reconciling Carbon-cycle Concepts, Terminology, and Methods. Ecosystems 9(7):1041-1050, DOI:10.1007/s10021-005-0105-7

    Harden, J.W., Manies, K.L., Neff, J.C., and Turetsky, M.R. 2006 Effects of wildfire and permafrost on soil organic matter and soil climate in interior Alaska. Global Change Biology 12: 1-13, doi: 10.1111/j.1365-2486.2006.01255.x

    Randerson, J. T., H. Liu, M. Flanner, S. D. Chambers, Y. Jin, P. G. Hess, G. Pfister, M. C. Mack, K. K. Treseder, L. Welp, F. S. Chapin, III, J. W. Harden, M. L. Goulden, E. Lyons, J. C. Neff, E. A. G. Schuur, and C. Zender. 2006 The impact of boreal forest fire on climate warming. Science 314:1130-1132.

    Turestsky, M.R., Harden, J.W., Friedli, H.R., Crock, J., Radke, L., and Payne, N. 2006 Wildfires threaten mercury stocks in northern soils. Geophysical Research Letters 33: L16403, doi: 10.1029/2005GL025595.

    Wilmking, M., Harden, J., and Tape, K. 2006 Effect of tree line advance on carbon storage in NW Alaska. Journal of Geophysical Research 111, G02023, doi: 10.1029/2005JG000074.

    Balshi, M.S., A.D. McGuire, Q. Zhuang, J.M. Melillo, D.W. Kicklighter, E.S. Kasischke, C. Wirth, M. Flannigan, J. Harden, J.S. Clein, T. Burnside, J. McAllister, W. Kurz, M. Apps, and A. Shvidenko. 2007 The role of historical fire disturbance in the carbon dynamics of the pan-boreal region: A process-based analysis. Journal of Geophysical Research - Biogeosciences 112, G02029, doi:10.1029/2006JG000380.

    Myers-Smith, I., A.D. McGuire, J.W. Harden, and F.S. Chapin III. 2007 The influence of disturbance on carbon exchange in a permafrost collapse and adjacent burned forest. Journal of Geophysical Research - Biosciences 112, G04017, doi:10.1029 2007JG000423.

    Myers-Smith, I.H., J.W. Harden, M. Wilmking, C.C. Fuller, A.D. McGuire, and F.S. Chapin, III. 2007 Wetland succession in a permafrost collapse: Interactions between fire and thermokarst. Biogeosciences Discussion 4:4507-4538.

    Fan, Z., Neff, J.C., Harden, J.W., and Wickland, K.P.. 2008 Boreal soil carbon dynamics under a changing climate: a model inversion approach. Journal of Geophysical Research 113, G04016, doi:10.1029/2008JG000723.

    Mack, M.C., K.K. Treseder, K.L. Manies, J.W. Harden, E.A.G. Schuur, J.G. Vogel, J.T. Randerson, and F.S. Chapin, III. 2008 Recovery of aboveground plant biomass and productivity after fire in mesic and dry black spruce forests of Interior Alaska. Ecosystems 11:209-225 DOI:10.1007/s10021-007-9117-9

    Myers-Smith, I.H., Harden, J.W., Wilmking, M., Fuller, C.C., McGuire, A.D., and Chapin III, F.S.. 2008 Wetland succession in a permafrost collapse: interactions between fire and thermokarst. Biogeosciences 5: 1-15.

    Turetsky, M.R, C.C. Treat, M. Waldrop, J.M Waddington, J.W. Harden, and A.D. McGuire. 2008 Short-term response of methane fluxes and methanogen activity to water table and soil warming manipulations in an Alaskan peatland. Journal of Geophysical Research 113: G00A10. doi:10.1029/2007JG000496

    Waldrop, M.P., Harden, J.W.. 2008 Interactive effects of wildfire and permafrost on microbial communities and soil processes in an Alaskan black spruce forest. Global Change Biology 14: 2591-2602, doi:10.1111/j.1365-2486.2008.01661.x.

    Hockaday, W. C., C. A. Masiello, J. T. Randerson, R. J. Smernik, J. A. Baldock, O. A. Chadwick, and J. W. Harden. 2009. Measurement of soil carbon oxidation state and oxidative ratio by 13C nuclear magnetic resonance, J. Geophys. Res., 114, G02014, doi:10.1029/2008JG000803.

    Johnson, K., and Harden, J. 2009. An Alaskan Soil Carbon Database. EOS 90(21): 184.

    O'Donnell, J.A., Turetsky, M.R., Harden, J.W., Manies, K.L., Pruett, L.E., Shetler, G., and Neff, J.C.. 2009 Interactive effects of fire, soil climate, and vegetation on CO2 fluxes in an upland black spruce forest and peatland in interior Alaska. Ecosystems 12(1): 52-72, doi: 10.1007/s10021-008-9206-4.

    Yi, S., A.D. McGuire, J. Harden, E. Kasischke, K. Manies, L. Hinzman, A. Liljedahl, J. Randerson, H. Liu, V. Romanovsky, S. Marchenko, and Y Kim. 2009 Interactions between soil thermal and hydrological dynamics in the response of Alaska ecosystems to fire disturbance. Journal of Geophysical Research - Biogeosciences 114, G02015, 20 pages, doi:10.1029/2008JG000841


    Books:


    Book Chapters:

    Turetsky, M.R., Mack, M.C., Harden, J.W., and Manies, K.L.. 2005. Spatial patterning of soil carbon storage across boreal landscapes. In Ecosystem Function in Heterogeneous Landscapes. Edited by Lovett, G.M., Jones, C.G., Turner, M.G., and Weathers, K.C. Springer, New York. pp. 229-255.


    Conference Proceedings:

    Harden, J.W., Fuller, C.C., Wilmking, M., Meyers-Smith, I.H., Trumbore, S.E., and Bubier, J.. 2008. The fate of terrestrial carbon following permafrost degradation: detecting changes over recent decades. Proceedings of the Ninth International Conference on Permafrost, June 29 - July 3, 2008. Kane, D.L. and Hinkel, K.M. (Eds.) Institute of Northern Engineering, University of Alaska Fairbanks. p. 649-654.


    Report:

    Harden, J.W., R. Meier, C. Silapaswanl, D.K. Swanson, and A.D. McGuire. 2001. Soil drainage and its potential for influencing wildfires in Alaska. Pages 139-144 in Galloway, J.P., ed., Studies by the U.S. Geological Survey in Alaska, 2001. U.S. Geological Survey Professional Paper 1678. Reston, Virginia.

    Manies, K.L., J.W. Harden, K. Yoshikawa and J. Randerson. 2001. The effect of soil drainage on fire and carbon cycling in central Alaska. J. Galloway, editor. Studies in Alaska by the U.S. Geological Survey. U.S. Geological Survey Professional Paper 1678.

    Manies, K.L., Harden, J.W., Silva, S.R., Briggs, P.H., and Schmid, B.M.. 2004. Soil data from Picea mariana stands near Delta Junction, AK of different ages and soil drainage type. U.S. Geological Survey Open File Report 2004-1271. 19 pp.


    Thesis and Dissertations:
    LTER UAF BECRU IAB NSF
    weather Data Policies | Webmaster Click for Fairbanks, Alaska Forecast

    The Bonanza Creek LTER, including this website, is supported by the National Science Foundation through awards DEB-0620579, DEB-0423442, DEB-0080609, DEB-9810217, DEB-9211769, DEB-8702629 and by the USDA Forest Service, Pacific Northwest Research Station through agreement number RJVA-PNW-01-JV-11261952-231. Any opinions, findings, conclusions, or recommendations expressed in the material are those of the author(s) and do not necessarily reflect the views of the supporting agencies or the program as a whole.

    © Bonanza Creek LTER, 2009.
    Last modified 23-Nov-09
    UAF is an affirmative action/equal opportunity employer and educational institution.
    This site is a member of the LTER Network.

    Disclaimer