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DRAGONI, D., SCHMID, H. P., WAYSON, C. A., POTTER, H., GRIMMOND, C. S., RANDOLPH, J. C.
Observations of net ecosystem exchange (NEE) of carbon and its biophysical drivers have been collected at the AmeriFlux site in the Morgan-Monroe State Forest (MMSF) in Indiana, USA since 1998. Thus, this is one of the few deciduous forest sites in the world, where a decadal analysis on net ecosystem productivity (NEP) trends is …
Journal: Global Change Biology, Volume 17 (2): 886-897 (2011), ISBN . DOI: 10.1111/j.1365-2486.2010.02281.x Sites: US-MMS
Baldocchi, D. D., Black, T. A., Curtis, P. S., Falge, E., Fuentes, J. D., Granier, A., Gu, L., Knohl, A., Lee, X., Pilegaard, K., Schmid, H. P., Valentini, R., Wilson, K., Wofsy, S., Xu, L., Yamamoto, S.
We tested the hypothesis that the date of the onset of net carbon uptake by temperate deciduous forest canopies corresponds with the time when the mean daily soil temperature equals the mean annual air temperature. The hypothesis was tested using over 30 …
Journal: International Journal Of Biometeorology, Volume 49 (6): 377-387 (2005), ISBN . DOI: 10.1007/s00484-005-0256-4 Sites: US-MMS
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.
Most satellites provide, at best, a single daily snapshot of vegetation and, at worst, these snapshots may be separated by periods of many days when the ground was obscured by cloud cover. Since vegetation carbon exchange can be very dynamic on diurnal and day-to-day timescales, the limited temporal resolution of satellite data is …
Journal: Agricultural And Forest Meteorology, Volume 131 (1-2): 1-12 (2005), ISBN . DOI: 10.1016/j.agrformet.2005.04.006 Sites: CA-Let, US-Blo, US-Ho1, US-MMS, US-NR1, US-Ton, US-Var
Oliphant, A., Grimmond, C., Zutter, H., Schmid, H., Su, H., Scott, S., Offerle, B., Randolph, J., Ehman, J.
Hourly observations of forest-atmosphere energy balance components are presented for the Morgan-Monroe State Forest, south-central Indiana, USA for the period March 1998 to December 2001, with particular emphasis on the storage heat flux (ΔQS). The sub-components of ΔQS showed strong diurnal …
Journal: Agricultural And Forest Meteorology, Volume 126 (3-4): 185-201 (2004), ISBN . DOI: 10.1016/j.agrformet.2004.07.003 Sites: US-MMS
Rahman, A. F., Cordova, V. D., Gamon, J. A., Schmid, H. P., Sims, D. A.
A physiologically-driven spectral index using two ocean-color bands of MODIS satellite sensor showed great potential to track seasonally changing photosynthetic light use efficiency (LUE) and stress-induced reduction in net primary productivity (NPP) of terrestrial vegetation. Based on these findings, we developed a simple “continuous …
Journal: Geophysical Research Letters, Volume 31 (10): n/a-n/a (2004), ISBN . DOI: 10.1029/2004gl019778 Sites: US-MMS
Ehman, J. L., Schmid, H. P., Grimmond, C. S., Randolph, J. C., Hanson, P. J., Wayson, C. A., Cropley, F. D.
The role of mid-latitude forests in the sequestration of carbon (C) is of interest to an increasing number of scientists and policy-makers alike. Net CO2 exchange …
Journal: Global Change Biology, Volume 8 (6): 575-589 (2002), ISBN . DOI: 10.1046/j.1365-2486.2002.00492.x Sites: US-MMS
Curtis, P. S., Hanson, P. J., Bolstad, P., Barford, C., Randolph, J., Schmid, H., Wilson, K. B.
Quantifying net carbon (C) storage by forests is a necessary step in the validation of carbon sequestration estimates and in assessing the possible role of these ecosystems in offsetting fossil fuel emissions. In eastern North America, five sites were established in deciduous …
Journal: Agricultural And Forest Meteorology, Volume 113 (1-4): 3-19 (2002), ISBN . DOI: 10.1016/s0168-1923(02)00099-0 Sites: US-Ha1, US-MMS, US-UMB, US-WCr
Davidson, E., Savage, K., Bolstad, P., Clark, D., Curtis, P., Ellsworth, D., Hanson, P., Law, B., Luo, Y., Pregitzer, K., Randolph, J., Zak, D.
Allocation of C to belowground plant structures is one of the most important, yet least well quantified fluxes of C in terrestrial ecosystems. In a literature review of mature forests worldwide, Raich …
Journal: Agricultural And Forest Meteorology, Volume 113 (1-4): 39-51 (2002), ISBN . DOI: 10.1016/s0168-1923(02)00101-6 Sites: CR-Lse, US-Dk3, US-Ho1, US-Me4, US-MMS, US-UMB, US-WBW
Baldocchi, D., Falge, E., Gu, L., Olson, R., Hollinger, D., Running, S., Anthoni, P., Bernhofer, C., Davis, K., Evans, R., Fuentes, J., Goldstein, A., Katul, G., Law, B., Lee, X., Malhi, Y., Meyers, T., Munger, W., Oechel, W., Paw, K. T., Pilegaard, K., Schmid, H. P., Valentini, R., Verma, S., Vesala, T., Wilson, K., Wofsy, S.
FLUXNET is a global network of micrometeorological flux measurement sites that measure the exchanges of carbon dioxide, water vapor, and energy between the biosphere and atmosphere. At present over 140 sites are operating on a long–term and continuous basis. Vegetation under study includes temperate conifer and broadleaved (deciduous …
Journal: Bulletin Of The American Meteorological Society, Volume 82 (11): 2415-2434 (2001), ISBN . DOI: 10.1175/1520-0477(2001)082<2415:FANTTS>2.3.CO;2 Sites: US-MMS
Schmid, H., Grimmond, C.S.B., Cropley, F., Offerle, B., Su, H.B.
Results from the first full year of measurements (1998–1999) of above canopy CO2 and energy fluxes at the AmeriFlux site in the Morgan-Monroe State Forest, IN, USA, are presented. The site is located in an extensive secondary successional broadleaf forest in the maple-beech to oak-hickory transition zone. The …
Journal: Agricultural And Forest Meteorology, Volume 103 (4): 357-374 (2000), ISBN . DOI: 10.1016/s0168-1923(00)00140-4 Sites: US-MMS