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The surface energy balance of Lake Superior was measured using the eddy covariance method at a remote, offshore site at 0.5-h intervals from June 2008 through November 2010. Pronounced seasonal patterns in the surface energy balance were observed, with a five-month delay between maximum summer net radiation and maximum winter latent …
Journal: Journal of Great Lakes Research, Volume 37 (4): 707-716 (2011). DOI: 10.1016/j.jglr.2011.08.009 Sites: US-GL1
Hardiman, B. S., Bohrer, G., Gough, C. M., Vogel, C. S., Curtis, P. S.
Journal: Ecology, Volume 92 (9): 1818-1827 (2011). DOI: 10.1890/10-2192.1 Sites: US-UMB, US-UMd
Iwata, H., Ueyama, M., Harazono, Y., Tsuyuzaki, S., Kondo, M., Uchida, M.
Observations of carbon dioxide (CO2) flux with the eddy covariance technique were conducted at a burned boreal forest site five years after a wildfire and at a mature forest site in Interior Alaska to investigate the effects of wildfire on CO2 exchange in a boreal forest. Both gross primary productivity and ecosystem respiration …
Journal: SOLA, Volume 7: 105-108 (2011). DOI: Sites: US-Fcr, US-Rpf
W. Barclay Shoemaker
Evapotranspiration (ET) was quantified over plant communities within the Big Cypress National Preserve (BCNP) using the eddy covariance method for a period of 3 years from October 2007 to September 2010. Plant communities selected for study included Pine Upland, Wet Prairie, Marsh, Cypress Swamp, and Dwarf Cypress. These plant communities …
Journal: U.S. Geological Survey Scientific Investigations Report, Volume : , ISBN ISBN 978 1 4113 3301 7. DOI: Sites:
Vasys, V. N., Desai, A. R., McKinley, G. A., Bennington, V., Michalak, A. M., Andrews, A. E.
Large lakes may constitute a significant component of regional surface–atmosphere fluxes, but few efforts have been made to quantify these fluxes. Tracer-transport inverse models that infer the CO2 flux from the atmospheric concentration typically assume that the influence from large lakes is negligible. CO2 …
Journal: Environmental Research Letters, Volume 6 (3): n/a-n/a (2011). DOI: 10.1088/1748-9326/6/3/034016 Sites: US-PFa
Barron-Gafford, G.A., Scott, R.L., Jenerette, G.D., Huxman, T.E.
Soil respiration (Rsoil) is a dominant, but variable, contributor to ecosystem CO2 efflux. Understanding how variations in major environmental drivers, like temperature and …
Journal: Journal Of Geophysical Research, Volume 116 (G1): n/a-n/a (2011). DOI: 10.1029/2010jg001442 Sites: US-SRM
Torn, M. S., Biraud, S. C., Still, C. J., Riley, W. J., Berry, J. A.
The δ13C value of terrestrial CO2 fluxes (δbio) provides important information for inverse models of CO2 sources and sinks as well as for studies of vegetation physiology, C3 and C4 vegetation fluxes, and ecosystem carbon residence times. From 2002.2009, we measured atmospheric CO2 concentration and δ13C-CO2 at four heights (2 …
Journal: Tellus B: Chemical And Physical Meteorology, Volume 63 (2): 181-195 (2011). DOI: http://doi.org/10.1111/j.1600-0889.2010.00519.x Sites: US-ARM
Spence, C., Blanken, P., Hedstrom, N., Fortin, V., Wilson, H.
Evaporation is a critical component of the water balance of each of the Laurentian Great Lakes, and it is expected that because of their shear size, evaporation cannot be spatially or temporally uniform. Despite this, examples of spatially distributed estimates of evaporation in the scientific literature are rare for most of the …
Journal: Journal Of Great Lakes Research, Volume 37 (4): 717-724 (2011). DOI: 10.1016/j.jglr.2011.08.013 Sites: US-GL1
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). DOI: 10.1111/j.1365-2486.2010.02281.x Sites: US-MMS
Desai, A.R., Moore, D.J.P., Ahue, W.K.M., Wilkes, P.T.V., De Wekker, S.F.J., Brooks, B.G., Campos, T.L., Stephens, B.B., Monson, R.K., Burns, S.P., Quaife, T., Aulenbach, S.M., Schimel, D.S.
High-elevation forests represent a large fraction of potential carbon uptake in North America, but this uptake is not well constrained by observations. Additionally, forests in the Rocky Mountains have recently been severely damaged by drought, fire, and insect outbreaks, which have been quantified at local scales but not assessed …
Journal: Journal Of Geophysical Research, Volume 116 (G04009): 1-16 (2011). DOI: 10.1029/2011JG001655 Sites: US-NR1
