Results 281 to 290 of about 324,903 (339)

Characterisation of methane net ecosystem exchange from a Scottish peatland.

Helfter, C., Drewer, J., Levy, P., Leith, I., Leeson, S., McKenzie, R., Sutton, M., Nemitz, E., Skiba, U.   +8 more
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Gap filling strategies for defensible annual sums of net ecosystem exchange

Agricultural and Forest Meteorology, 2001
Abstract Heightened awareness of global change issues within both science and political communities has increased interest in using the global network of eddy covariance flux towers to more fully understand the impacts of natural and anthropogenic phenomena on the global carbon balance.
E. Falge, D. Baldocchi, R. Olson, P. Anthoni, M. Aubinet, C. Bernhofer, G. Burba, R. Ceulemans, R. Clement, H. Dolman, A. Granier, P. Gross, T. Grünwald, D. Hollinger, N. Jensen, G. Katul, P. Keronen, A. Kowalski, Chun-Ta Lai, B. Law, T. Meyers, H. Moncrieff, E. Moors, J. W. Munger, K. Pilegaard, Ü. Rannik, C. Rebmann, A. Suyker, J. Tenhunen, K. Tu, S. Verma, T. Vesala, K. Wilson, S. Wofsy   +33 more
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How Land‐Sea Interaction of Tidal and Sea Breeze Activity Affect Mangrove Net Ecosystem Exchange?

Journal of Geophysical Research: Atmospheres, 2021
Coastal mangrove wetlands experience unique land‐sea interaction including periodic tidal and sea breeze activity; however, their impacts on mangrove net ecosystem exchange (NEE) of carbon dioxide have not been well investigated.
Xudong Zhu, Zhangcai Qin, Lu-lu Song
semanticscholar   +1 more source

Biophysical drivers of net ecosystem and methane exchange across phenological phases in a tidal salt marsh

, 2021
Salt marshes are large carbon reservoirs as part of blue carbon ecosystems. Unfortunately, there is limited information about the net ecosystem (NEE) and methane (CH4) exchange between salt marshes and the atmosphere to fully understand their carbon ...
A. Vázquez‐Lule, R. Vargas
semanticscholar   +1 more source

Net ecosystem carbon exchange in two experimental grassland ecosystems

Global Change Biology, 2004
AbstractIncreases in net primary production (NPP) may not necessarily result in increased C sequestration since an increase in uptake can be negated by concurrent increases in ecosystem C losses via respiratory processes. Continuous measurements of net ecosystem C exchange between the atmosphere and two experimental cheatgrass (Bromus tectorum L ...
Paul S. J. Verburg, John A. Arnone, Daniel Obrist, David E. Schorran, R. David Evans, Debbie Leroux‐swarthout, Dale W. Johnson, Yiqi Luo, James S. Coleman   +8 more
openaire   +1 more source

Modelling Net Ecosystem CO2 Exchange by Simple Tropical Ecosystem Model

Journal of Convergence Information Technology, 2010
SITE model was developed to study the response of tropical ecosystems according to environmental conditions for estimating of energy fluxes. This study analyzed the net ecosystem of CO2 exchange (NEE) by ecosystem modeling and field measurements in a semi deciduous forest located at 50 km of Sinop municipal district, Mato Grosso, Brazil.
Maricia Tatiane Vilani -, Mariele Pinheiro -, Luciana Sanches -, Nara Lusa Reis de Andrade -, Marcelo de Carvalho Alves -, Jos de Souza Nogueira -   +5 more
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Estimating net ecosystem exchange in a patterned ecosystem: Example from blanket bog

Agricultural and Forest Meteorology, 2006
Abstract Net ecosystem exchange (NEE) was measured in a patterned peatland with eddy covariance (EC) and chamber methods during a 12-month period. The peatland surface was composed of microforms characterized by a difference in water level and vegetation composition. The distribution of microforms varied spatially within the peatland.
Anna Laine, Matteo Sottocornola, Gerard Kiely, Kenneth A. Byrne, David Wilson, Eeva-Stiina Tuittila   +5 more
openaire   +1 more source

Subnivean Arctic and sub-Arctic net ecosystem exchange (NEE)

Progress in Physical Geography: Earth and Environment, 2013
In the Arctic and sub-Arctic, up to half of annual net ecosystem exchange (NEE) occurs during the snow season. Subnivean soil respiration can persist at a greater rate when the overlying snowpack has a lower thermal conductivity, and the rate of photosynthetic uptake at the start and end of the snow season can be diminished by fractional snow cover ...
Kristina A. Luus, John C. Lin, Richard E.J. Kelly, Claude R. Duguay   +3 more
openaire   +1 more source

Spring drought regulates summer net ecosystem CO2 exchange in a sagebrush-steppe ecosystem

Agricultural and Forest Meteorology, 2008
Abstract Climate, as reflected by seasonal variations in precipitation and temperature, plays a critical role in ecosystem productivity and composition in the Western US and other arid regions. This study was conducted in the sagebrush-steppe ecosystem co-dominated by mountain big sagebrush ( Artemisia tridentata var.
Kwon, Hyojung, Pendall, Elise (R17757), Ewers, Brent E., Cleary, Meagan B., Naithani, Kusum J.   +4 more
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Net ecosystem CO2 exchange and carbon cycling in tropical lowland flooded rice ecosystem

Nutrient Cycling in Agroecosystems, 2013
The seasonal fluxes of CO2 and its characteristics with relation to environmental variables were investigated under tropical lowland flooded rice paddies employing the open path eddy covariance technique. The seasonal net ecosystem carbon budget was quantified by empirical modelling approach.
P. Bhattacharyya, S. Neogi, K. S. Roy, P. K. Dash, R. Tripathi, K. S. Rao   +5 more
openaire   +1 more source