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Qiu, C., Zhu, D., Ciais, P., Guenet, B., Krinner, G., Peng, S., Aurela, M., Bernhofer, C., Brümmer, C., Bret-Harte, S., Chu, H., Chen, J., Desai, A. R., Dušek, J., Euskirchen, E. S., Fortuniak, K., Flanagan, L. B., Friborg, T., Grygoruk, M., Gogo, S., Grünwald, T., Hansen, B. U., Holl, D., Humphreys, E., Hurkuck, M., Kiely, G., Klatt, J., Kutzbach, L., Largeron, C., Laggoun-Défarge, F., Lund, M., Lafleur, P. M., Li, X., Mammarella, I., Merbold, L., Nilsson, M. B., Olejnik, J., Ottosson-Löfvenius, M., Oechel, W., Parmentier, F. W., Peichl, M., Pirk, N., Peltola, O., Pawlak, W., Rasse, D., Rinne, J., Shaver, G., Schmid, H. P., Sottocornola, M., Steinbrecher, R., Sachs, T., Urbaniak, M., Zona, D., Ziemblinska, K.
Peatlands store substantial amounts of carbon and are vulnerable to climate change. We present a modified version of the Organising Carbon and Hydrology In Dynamic Ecosystems (ORCHIDEE) land surface model for simulating the hydrology, surface energy, and CO2 fluxes of peatlands on daily to annual timescales. The model includes a …
Journal: Geoscientific Model Development, Volume 11 (2): 497-519 (2018), ISBN . DOI: 10.5194/gmd-11-497-2018 Sites: CA-Mer, CA-WP1, CA-WP2, CA-WP3, US-Bes, US-ICs, US-Los, US-WPT
Dennis Baldocchi, Cove Sturtevant
It is necessary to partition eddy covariance measurements of carbon dioxide exchange into its offsetting gross fluxes, canopy photosynthesis, and ecosystem respiration, to understand the biophysical controls on the net fluxes. And independent estimates of canopy photosynthesis (G) and ecosystem respiration (R) are needed to validate …
Journal: Agricultural and Forest Meteorology, Volume 207: 117-126 (2015), ISBN . DOI: 10.1016/j.agrformet.2015.03.010 Sites: CA-Ca1, CA-Ca2, CA-Ca3, CA-Let, CA-Mer, CA-NS1, CA-NS3, CA-NS5, CA-NS6, CA-NS7, CA-Oas, CA-Obs, CA-Ojp, CA-Qcu, CA-Qfo, CA-SJ2, CA-SJ3, CA-TP4, CA-WP1, US-ARM, US-Aud, US-Bo1, US-Ho1, US-Ho2, US-IB2, US-KS2, US-MMS, US-MOz, US-NC2, US-NR1, US-SO2, US-SO3, US-SO4, US-SP2, US-SP3, US-SRM, US-Ton, US-Tw3, US-UMB, US-Var, US-WBW, US-Wkg, US-Wrc
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.
Journal: Agricultural And Forest Meteorology, Volume 171-172: 31-45 (2013), ISBN . DOI: 10.1016/j.agrformet.2012.11.023 Sites: CA-Ca1, CA-Ca2, CA-Ca3, CA-Gro, CA-Let, CA-Mer, CA-NS1, CA-Oas, CA-Obs, CA-Ojp, CA-Qfo, CA-SJ1, CA-SJ2, CA-SJ3, CA-TP4, CA-WP1, US-ARM, US-Dk3, US-Ha1, US-Ho1, US-IB1, US-Los, US-Me3, US-Me5, US-MMS, US-MOz, US-Ne1, US-Ne2, US-Ne3, US-NR1, US-Shd, US-SO2, US-Syv, US-Ton, US-UMB, US-Var, US-WCr
Turunen, J., Roulet, N. T., Moore, T. R., Richard, P. J.
Recent and long-term accumulation rates of carbon (C), using 210Pb- and 14C-dating, were examined in 23 ombrotrophic peatlands in eastern Canada, where average 1990–1996 atmospheric wet nitrogen (N) deposition ranged from 0.3 to 0.8 g N m−2 yr−1. The average recent rate of C accumulation …
Journal: Global Biogeochemical Cycles, Volume 18 (3): n/a-n/a (2004), ISBN . DOI: 10.1029/2003gb002154 Sites: CA-Mer
Ham, J. M., Benson, E. J.
Dual-probe heat-capacity (DPHC) sensors can be used to measure soil heat capacity (C), water content, and temperature. Research was conducted to test design factors that affect sensor calibration, including: (i) calibration media, (ii) diameter and length of the needle probes, (iii) sensor body material, and (vi) duration …
Journal: Soil Science Society Of America Journal, Volume 68 (4): 1185-1190 (2004), ISBN . DOI: 10.2136/sssaj2004.1185 Sites: CA-Mer
Lafleur, P. M., Roulet, N. T., Bubier, J. L., Frolking, S., Moore, T. R.
Eddy covariance measurements of net ecosystem carbon dioxide (CO2) exchange (NEE) were taken at an ombrotrophic bog near Ottawa, Canada from 1 June 1998 to 31 May 2002. Temperatures during this period were above normal except for 2000 and precipitation was near normal in 1998 and 1999, above normal in 2000, and well below …
Journal: Global Biogeochemical Cycles, Volume 17 (2): n/a-n/a (2003), ISBN . DOI: 10.1029/2002gb001983 Sites: CA-Mer
Frolking, S., Roulet, N. T., Moore, T. R., Lafleur, P. M., Bubier, J. L., Crill, P. M.
Northern peatlands contain enormous quantities of organic carbon within a few meters of the atmosphere and play a significant role in the planetary carbon balance. We have developed a new, process-oriented model of the contemporary carbon balance of northern peatlands, the Peatland Carbon Simulator (PCARS). Components of PCARS are …
Journal: Global Biogeochemical Cycles, Volume 16 (3): 1-21 (2002), ISBN . DOI: 10.1029/2001gb001457 Sites: CA-Mer
Moore, T. R., Bubier, J. L., Frolking, S. E., Lafleur, P. M., Roulet, N. T.
- Above-ground biomass was measured at bog hummock, bog hollow and poor-fen sites in Mer Bleue, a large, raised ombrotrophic bog near Ottawa, Ont., Canada. The average above-ground biomass was 587 g m−2 in the bog, composed mainly of shrubs and Sphagnum capitula. In the poor fen, the …
Journal: Journal Of Ecology, Volume 90 (1): 25-36 (2002), ISBN . DOI: 10.1046/j.0022-0477.2001.00633.x Sites: CA-Mer
Fraser, C., Roulet, N., Lafleur, M.
Groundwater flow patterns and geochemistry were studied in the Mer Bleue bog, near Ottawa, Ontario, Canada. Groundwater flow patterns alternated between recharge, i.e. head gradients producing flow from the surface of the peatland to the deeper peat, and discharge, i.e. head gradients indicating flow from the deeper peat …
Journal: Journal Of Hydrology, Volume 246 (1-4): 142-154 (2001), ISBN . DOI: 10.1016/s0022-1694(01)00362-6 Sites: CA-Mer
Lafleur, P. M., Roulet, N. T., Admiral, S. W.
Eddy covariance measurements of the carbon dioxide flux from an ombrotrophic bog near Ottawa, Canada, were made between June 1, 1998, and May 31, 1999. Net ecosystem exchange of CO2 (NEE) showed …
Journal: Journal Of Geophysical Research: Atmospheres, Volume 106 (D3): 3071-3081 (2001), ISBN . DOI: 10.1029/2000jd900588 Sites: CA-Mer