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US-Ho1: Howland Forest (main tower)

Tower_team:
PI: Andrew Ouimette [email protected] - USDA Forest Service
AncContact: David Hollinger [email protected] - USDA Forest Service
Technician: Roel Alfredo Ruzol [email protected] - University of Maine
Lat, Long: 45.2041, -68.7402
Elevation(m): 60
Network Affiliations: AmeriFlux, Phenocam
Vegetation IGBP: ENF (Evergreen Needleleaf Forests: Lands dominated by woody vegetation with a percent cover >60% and height exceeding 2 meters. Almost all trees remain green all year. Canopy is never without green foliage.)
Climate Koeppen: Dfb (Warm Summer Continental: significant precipitation in all seasons )
Mean Annual Temp (°C): 5.27
Mean Annual Precip. (mm): 1070
Years Data Collected: 1996 - Present
Years Data Available:

FLUXNET-CH4 2012 - 2018   Data Citation
Description:
Closed conifer forest, minimal disturbance. References: Fernandez et al. (1993), Canadian Journal of Soil Science 73 317-328. Hollinger et al. (1999), ...
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URL: http://howlandforest.org/site_files/site.html
Research Topics:
Carbon balance * Influence of environmental variables on C-exchange * Soil processes * Isotopic fractionation * Scaling to the region CO2, H2O, sensible ...
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Acknowledgment: —

US-Ho1: Howland Forest (main tower)

Use the information below for citation of this site. See the Data Policy page for more details.

DOI(s) for citing US-Ho1 data

Data Use Policy:

This site’s data can also be used under the more restrictive Tier 2 policy.
The Tier 2 Policy must be followed if US-Ho1 data are combined with data from sites that require the Tier 2 Policy.

Publication(s) for citing site characterization

  • Arain, M. A., Restrepo-Coupe, N. (2005) Net Ecosystem Production In A Temperate Pine Plantation In Southeastern Canada, Agricultural And Forest Meteorology, 128(3-4), 223-241. https://doi.org/10.1016/J.AGRFORMET.2004.10.003
  • Barr, A., Richardson, A., Hollinger, D., Papale, D., Arain, M., Black, T., Bohrer, G., Dragoni, D., Fischer, M., Gu, L., Law, B., Margolis, H., McCaughey, J., Munger, J., Oechel, W., Schaeffer, K. (2013) Use Of Change-Point Detection For Friction–Velocity Threshold Evaluation In Eddy-Covariance Studies, Agricultural And Forest Meteorology, 171-172(7458), 31-45. https://doi.org/10.1016/J.AGRFORMET.2012.11.023
  • Bohrer, G., Steiner, A.L., Hollinger, D.Y., Suyker, A., Phillips, R.P., Nadelhoffer, K.J. (2015) Variations in the influence of diffuse light on gross primary productivity in temperate ecosystems, Agricultural & Forest Meteorology, 201(), 98-110. https://doi.org/10.1016/J.AGRFORMET.2014.11.002
  • Chu, H., Luo, X., Ouyang, Z., Chan, W. S., Dengel, S., Biraud, S. C., Torn, M. S., Metzger, S., Kumar, J., Arain, M. A., Arkebauer, T. J., Baldocchi, D., Bernacchi, C., Billesbach, D., Black, T. A., Blanken, P. D., Bohrer, G., Bracho, R., Brown, S., Brunsell, N. A., Chen, J., Chen, X., Clark, K., Desai, A. R., Duman, T., Durden, D., Fares, S., Forbrich, I., Gamon, J. A., Gough, C. M., Griffis, T., Helbig, M., Hollinger, D., Humphreys, E., Ikawa, H., Iwata, H., Ju, Y., Knowles, J. F., Knox, S. H., Kobayashi, H., Kolb, T., Law, B., Lee, X., Litvak, M., Liu, H., Munger, J. W., Noormets, A., Novick, K., Oberbauer, S. F., Oechel, W., Oikawa, P., Papuga, S. A., Pendall, E., Prajapati, P., Prueger, J., Quinton, W. L., Richardson, A. D., Russell, E. S., Scott, R. L., Starr, G., Staebler, R., Stoy, P. C., Stuart-Haëntjens, E., Sonnentag, O., Sullivan, R. C., Suyker, A., Ueyama, M., Vargas, R., Wood, J. D., Zona, D. (2021) Representativeness Of Eddy-Covariance Flux Footprints For Areas Surrounding Ameriflux Sites, Agricultural And Forest Meteorology, 301-302(2), 108350. https://doi.org/10.1016/J.AGRFORMET.2021.108350
  • Davidson, E. A., Janssens, I. A., Luo, Y. (2006) On The Variability Of Respiration In Terrestrial Ecosystems: Moving Beyond Q10, Global Change Biology, 12(2), 154-164. https://doi.org/10.1111/J.1365-2486.2005.01065.X
  • Davidson, E. A., Richardson, A. D., Savage, K. E., Hollinger, D. Y. (2006) A Distinct Seasonal Pattern Of The Ratio Of Soil Respiration To Total Ecosystem Respiration In A Spruce-Dominated Forest, Global Change Biology, 12(2), 230-239. https://doi.org/10.1111/J.1365-2486.2005.01062.X
  • Davidson, E., Savage, K., Bolstad, P., Clark, D., Curtis, P., Ellsworth, D., Hanson, P., Law, B., Luo, Y., Pregitzer, K., Randolph, J., Zak, D. (2002) Belowground Carbon Allocation In Forests Estimated From Litterfall And IRGA-Based Soil Respiration Measurements, Agricultural And Forest Meteorology, 113(1-4), 39-51. https://doi.org/10.1016/S0168-1923(02)00101-6
  • Davidson, E., Savage, K., Verchot, L., Navarro, R. (2002) Minimizing Artifacts And Biases In Chamber-Based Measurements Of Soil Respiration, Agricultural And Forest Meteorology, 113(1-4), 21-37. https://doi.org/10.1016/S0168-1923(02)00100-4
  • Dennis Baldocchi, Cove Sturtevant (2015) Does day and night sampling reduce spurious correlation between canopy photosynthesis and ecosystem respiration?, Agricultural and Forest Meteorology, 207(1-2), 117-126. https://doi.org/10.1016/J.AGRFORMET.2015.03.010
  • Falge, E., Baldocchi, D., Tenhunen, J., Aubinet, M., Bakwin, P., Berbigier, P., Bernhofer, C., Burba, G., Clement, R., Davis, K. J., Elbers, J. A., Goldstein, A. H., Grelle, A., Granier, A., Guðmundsson, J., Hollinger, D., Kowalski, A. S., Katul, G., Law, B. E., Malhi, Y., Meyers, T., Monson, R. K., Munger, J., Oechel, W., Paw U, K. T., Pilegaard, K., Rannik, Ü., Rebmann, C., Suyker, A., Valentini, R., Wilson, K., Wofsy, S. (2002) Seasonality Of Ecosystem Respiration And Gross Primary Production As Derived From FLUXNET Measurements, Agricultural And Forest Meteorology, 113(1-4), 53-74. https://doi.org/10.1016/S0168-1923(02)00102-8
  • Fernandez, I. J., Rustad, L. E., Lawrence, G. B. (1993) Estimating Total Soil Mass, Nutrient Content, And Trace Metals In Soils Under A Low Elevation Spruce-Fir Forest, Canadian Journal Of Soil Science, 73(3), 317-328. https://doi.org/10.4141/CJSS93-034
  • Guerrieri, R., Belmecheri, S., Ollinger, S. V., Asbjornsen, H., Jennings, K., Xiao, J., Stocker, B. D., Martin, M., Hollinger, D. Y., Bracho-Garrillo, R., Clark, K., Dore, S., Kolb, T., Munger, J. W., Novick, K., Richardson, A. D. (2019) Disentangling The Role Of Photosynthesis And Stomatal Conductance On Rising Forest Water-Use Efficiency, Proceedings Of The National Academy Of Sciences, 116(34), 16909-16914. https://doi.org/10.1073/PNAS.1905912116
  • Hibbard, K. A., Law, B. E., Reichstein, M., Sulzman, J. (2005) An Analysis Of Soil Respiration Across Northern Hemisphere Temperate Ecosystems, Biogeochemistry, 73(1), 29-70. https://doi.org/10.1007/S10533-004-2946-0
  • Hollinger, D. Y., Aber, J., Dail, B., Davidson, E. A., Goltz, S. M., Hughes, H., Leclerc, M. Y., Lee, J. T., Richardson, A. D., Rodrigues, C., Scott, N., Achuatavarier, D., Walsh, J. (2004) Spatial And Temporal Variability In Forest-Atmosphere CO2 Exchange, Global Change Biology, 10(10), 1689-1706. https://doi.org/10.1111/J.1365-2486.2004.00847.X
  • Hollinger, D. Y., Goltz, S. M., Davidson, E. A., Lee, J. T., Tu, K., Valentine, H. T. (1999) Seasonal Patterns And Environmental Control Of Carbon Dioxide And Water Vapour Exchange In An Ecotonal Boreal Forest, Global Change Biology, 5(8), 891-902. https://doi.org/10.1046/J.1365-2486.1999.00281.X
  • Keenan, T. F., Hollinger, D. Y., Bohrer, G., Dragoni, D., Munger, J. W., Schmid, H. P., Richardson, A. D. (2013) Increase In Forest Water-Use Efficiency As Atmospheric Carbon Dioxide Concentrations Rise, Nature, 499(7458), 324-327. https://doi.org/10.1038/NATURE12291
  • Lai, C., Ehleringer, J. R., Tans, P., Wofsy, S. C., Urbanski, S. P., Hollinger, D. Y. (2004) Estimating Photosynthetic C-13 Discrimination In Terrestrial CO2 Exchange From Canopy To Regional Scales, Global Biogeochemical Cycles, 18(1), n/a-n/a. https://doi.org/10.1029/2003GB002148
  • Matheny, A. M., Bohrer, G., Stoy, P. C., Baker, I. T., Black, A. T., Desai, A. R., Dietze, M. C., Gough, C. M., Ivanov, V. Y., Jassal, R. S., Novick, K. A., Schäfer, K. V., Verbeeck, H. (2014) Characterizing The Diurnal Patterns of Errors in The Prediction of Evapotranspiration by Several Land-Surface Models: An Nacp Analysis, Journal Of Geophysical Research: Biogeosciences, 119(7), 1458-1473. https://doi.org/10.1002/2014JG002623
  • Raczka, B., Biraud, S. C., Ehleringer, J. R., Lai, C., Miller, J. B., Pataki, D. E., Saleska, S. R., Torn, M. S., Vaughn, B. H., Wehr, R., Bowling, D. R. (2017) Does Vapor Pressure Deficit Drive The Seasonality Of δ13C Of The Net Land-Atmosphere Co2 Exchange Across The United States?, Journal Of Geophysical Research: Biogeosciences, 122(8), 1969-1987. https://doi.org/10.1002/2017JG003795
  • Richardson, A. D., Anderson, R. S., Arain, M. A., Barr, A. G., Bohrer, G., Chen, G., Chen, J. M., Ciais, P., Davis, K. J., Desai, A. R., Dietze, M. C., Dragoni, D., Garrity, S. R., Gough, C. M., Grant, R., Hollinger, D. Y., Margolis, H. A., McCaughey, H., Migliavacca, M., Monson, R. K., Munger, J. W., Poulter, B., Raczka, B. M., Ricciuto, D. M., Sahoo, A. K., Schaefer, K., Tian, H., Vargas, R., Verbeeck, H., Xiao, J., Xue, Y. (2012) Terrestrial Biosphere Models Need Better Representation Of Vegetation Phenology: Results From The North American Carbon Program Site Synthesis, Global Change Biology, 18(2), 566-584. https://doi.org/10.1111/J.1365-2486.2011.02562.X
  • Richardson, A. D., Hollinger, D. Y. (2005) Statistical Modeling Of Ecosystem Respiration Using Eddy Covariance Data: Maximum Likelihood Parameter Estimation, And Monte Carlo Simulation Of Model And Parameter Uncertainty, Applied To Three Simple Models, Agricultural And Forest Meteorology, 131(3-4), 191-208. https://doi.org/10.1016/J.AGRFORMET.2005.05.008
  • Richardson, A. D., Hollinger, D. Y., Burba, G. G., Davis, K. J., Flanagan, L. B., Katul, G. G., William Munger, J., Ricciuto, D. M., Stoy, P. C., Suyker, A. E., Verma, S. B., Wofsy, S. C. (2006) A Multi-Site Analysis Of Random Error In Tower-Based Measurements Of Carbon And Energy Fluxes, Agricultural And Forest Meteorology, 136(1-2), 1-18. https://doi.org/10.1016/J.AGRFORMET.2006.01.007
  • Savage, K. E., Davidson, E. A. (2001) Interannual Variation Of Soil Respiration In Two New England Forests, Global Biogeochemical Cycles, 15(2), 337-350. https://doi.org/10.1029/1999GB001248
  • Sihi, D, Davidson, E.A., Chen, M, Savage, K.E., Richardson, A.D., Keenan, T.F., Hollinger, D. Y. (2018) Merging a mechanistic enzymatic model of soil heterotrophic respiration into an ecosystem model in two AmeriFlux sites of northeastern USA, Agricultural and Forest Meteorology, 252(1-2), 155-166. https://doi.org/10.1016/J.AGRFORMET.2018.01.026
  • Sihi, D, Davidson, E.A., Chen, M, Savage, K.E., Richardson, A.D., Keenan, T.F., Hollinger, D. Y. (2018) Merging a mechanistic enzymatic model of soil heterotrophic respiration into an ecosystem model in two AmeriFlux sites of northeastern USA, Agricultural and Forest Meteorology, 252(8), 155-166. https://doi.org/10.1016/J.AGRFORMET.2018.01.026
  • Sims, D. A., Rahman, A. F., Cordova, V. D., Baldocchi, D. D., Flanagan, L. B., Goldstein, A. H., Hollinger, D. Y., Misson, L., Monson, R. K., Schmid, H. P., Wofsy, S. C., Xu, L. (2005) Midday Values Of Gross CO2 Flux And Light Use Efficiency During Satellite Overpasses Can Be Used To Directly Estimate Eight-Day Mean Flux, Agricultural And Forest Meteorology, 131(1-2), 1-12. https://doi.org/10.1016/J.AGRFORMET.2005.04.006
  • Teets, A., Moore, D. J., Alexander, M. R., Blanken, P. D., Bohrer, G., Burns, S. P., Carbone, M. S., Ducey, M. J., Fraver, S., Gough, C. M., Hollinger, D. Y., Koch, G., Kolb, T., Munger, J. W., Novick, K. A., Ollinger, S. V., Ouimette, A. P., Pederson, N., Ricciuto, D. M., Seyednasrollah, B., Vogel, C. S., Richardson, A. D. (2022) Coupling Of Tree Growth And Photosynthetic Carbon Uptake Across Six North American Forests, Journal Of Geophysical Research: Biogeosciences, 127(4), . https://doi.org/10.1029/2021JG006690
  • Thornton, P., Law, B., Gholz, H. L., Clark, K. L., Falge, E., Ellsworth, D., Goldstein, A., Monson, R., Hollinger, D., Falk, M., Chen, J., Sparks, J. (2002) Modeling And Measuring The Effects Of Disturbance History And Climate On Carbon And Water Budgets In Evergreen Needleleaf Forests, Agricultural And Forest Meteorology, 113(1-4), 185-222. https://doi.org/10.1016/S0168-1923(02)00108-9
  • Toomey, M., Friedl, M. A., Frolking, S., Hufkens, K., Klosterman, S., Sonnentag, O., Baldocchi, D. D., Bernacchi, C. J., Biraud, S. C., Bohrer, G., Brzostek, E., Burns, S. P., Coursolle, C., Hollinger, D. Y., Margolis, H. A., McCaughey, H., Monson, R. K., Munger, J. W., Pallardy, S., Phillips, R. P., Torn, M. S., Wharton, S., Zeri, M., Richardson, A. D. (2015) Greenness Indices From Digital Cameras Predict The Timing And Seasonal Dynamics Of Canopy-Scale Photosynthesis, Ecological Applications, 25(1), 99-115. https://doi.org/10.1890/14-0005.1
  • Wolf, S., Keenan, T.F., Fisher, J.B., Baldocchi, D.D., Desai, A.R., Richardson, A.D., Scott, R.L., Law, B.E., Litvak, M.E., Brunsell, N.A., Peters, W., van der Laan-Luijkx, I.T. (2016) Warm spring reduced carbon cycle impact of the 2012 US summer drought, Proceedings of the National Academy of Sciences, 113(21), 5880-5885. https://doi.org/10.1073/PNAS.1519620113
  • Xiao, X., Hollinger, D., Aber, J., Goltz, M., Davidson, E. A., Zhang, Q., Moore, B. (2004) Satellite-Based Modeling Of Gross Primary Production In An Evergreen Needleleaf Forest, Remote Sensing Of Environment, 89(4), 519-534. https://doi.org/10.1016/J.RSE.2003.11.008
  • Xiao, X., Zhang, Q., Hollinger, D., Aber, J., Moore, B. (2005) Modeling Gross Primary Production Of An Evergreen Needleleaf Forest Using Modis And Climate Data, Ecological Applications, 15(3), 954-969. https://doi.org/10.1890/04-0470
  • Xu, B., Arain, M. A., Black, T. A., Law, B. E., Pastorello, G. Z., Chu, H. (2020) Seasonal Variability Of Forest Sensitivity To Heat And Drought Stresses: A Synthesis Based On Carbon Fluxes From North American Forest Ecosystems, Global Change Biology, 26(2), 901-918. https://doi.org/10.1111/GCB.14843
  • Zscheischler, J., Fatichi, S., Wolf, S., Blanken, P., Bohrer, G., Clark, K., Desai, A., Hollinger, D., Keenan, T., Novick, K.A., Seneviratne, S.I. (2016) Short-term favorable weather conditions are an important control of interannual variability in carbon and water fluxes, Journal of Geophysical Research - Biogeosciences, 121(8), 2186-2198. https://doi.org/10.1002/2016JG003503

Acknowledgments

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US-Ho1: Howland Forest (main tower)

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