Index Catalog // ScholarsArchive@OSU

Uncertainties in, and interpretation of, carbon flux estimates using the eddy covariance technique

Creator:: Loescher, H. W., Law, B. E., Mahrt, Larry, Hollinger, D. Y., Campbell, J., and Wofsy, S. C.
Abstract:: Whole ecosystem carbon dioxide (CO₂) exchange estimated with the eddy covariance (EC) technique has been central to studies on the responses of terrestrial ecosystems to disturbance and intra‐annual and interannual variations in climate, but challenges exist in understanding and reducing the uncertainty in estimates of net ecosystem exchange (NEE) of...
Resource Type:: Article
Full Text:: with the eddy covariance (EC) technique has been central to studies on the responses of terrestrial

Size-dependent aerosol deposition velocities during BEARPEX'07

Creator:: Vong, R. J., Vong, I. J., Vickers, D., and Covert, D. S.
Abstract:: Aerosol concentrations and 3-D winds were measured from 9 to 25 September 2007, above a pine forest in California. The measurements were combined using the eddy covariance (EC) technique to determine aerosol eddy fluxes as a function of particle diameter within the accumulation mode size range (0.25 μm≤D[subscript]p≤1 μm here)....
Resource Type:: Article
Full Text:: measurements were combined using the eddy covariance (EC) technique to determine aerosol eddy fluxes as a

Benthic oxygen consumption rates during hypoxic conditions on the Oregon continental shelf: Evaluation of the eddy correlation method

Creator:: Reimers, Clare E., Özkan-Haller, H. Tuba, Berg, Peter, Devol, Allan, McCann-Grosvenor, Kristina, and Sanders, Rhea D.
Abstract:: Three stations, at ∼80 m water depth on the Oregon shelf between 44.7°N and 43.9 N, were studied under hypoxic conditions in late spring and summer of 2009 to determine benthic oxygen consumption rates. Oxygen fluxes were derived from eddy correlation (EC) measurements made from an autonomous lander deployed for...
Resource Type:: Article
Full Text:: oxygen consumption rates. Oxygen fluxes were derived from eddy correlation (EC) measurements made from an

Benthic oxygen consumption rates during hypoxic conditions on the Oregon continental shelf: Evaluation of the eddy correlation method

Creator:: Reimers, Clare E., Özkan-Haller, H. Tuba, Berg, Peter, Devol, Allan, McCann-Grosvenor, Kristina, and Sanders, Rhea D.
Abstract:: Three stations, at similar to ~80 m water depth on the Oregon shelf between 44.7 degrees N and 43.9 N, were studied under hypoxic conditions in late spring and summer of 2009 to determine benthic oxygen consumption rates. Oxygen fluxes were derived from eddy correlation (EC) measurements made from an...
Resource Type:: Article
Full Text:: oxygen consumption rates. Oxygen fluxes were derived from eddy correlation (EC) measurements made from an

Evaluation of continental carbon cycle simulations with North American flux tower observations

Creator:: Raczka, Brett M., Davis, Kenneth J., Huntzinger, Deborah, Neilson, Ronald P., Poulter, Benjamin, Richardson, Andrew D., Xiao, Jingfeng, Baker, Ian T., Ciais, Philippe, Keenan, Trevor F., Law, Beverly, Post, Wilfred M., Ricciuto, Daniel, Schaefer, Kevin, Tian, Hanqin, Tomelleri, Enrico, Verbeeck, Hans, and Viovy, Nicolas
Abstract:: Terrestrial biosphere models can help identify physical processes that control carbon dynamics, including land–atmosphere CO₂ fluxes, and have great potential to predict the terrestrial ecosystem response to changing climate. The skill of models that provide continental-scale carbon flux estimates, however, remains largely untested. This paper evaluates the performance of continental-scale...
Resource Type:: Article
Full Text:: flux tower calibrated, empirical models, EC-MOD and MOD17þ, performed as well as the best process-based

The Irish potato famine pathogen Phytophthora infestans originated in central Mexico rather than the Andes

Creator:: Goss, Erica M., Tabima, Javier F., Cooke, David E. L., Restrepo, Silvia, Fry, William E., Forbes, Gregory A., Fieland, Valerie J., Cardenas, Martha, and Grünwald, Niklaus J.
Abstract:: Phytophthora infestans is a destructive plant pathogen best known for causing the disease that triggered the Irish potato famine and remains the most costly potato pathogen to manage worldwide. Identification of P. infestan’s elusive center of origin is critical to understanding the mechanisms of repeated global emergence of this pathogen....
Resource Type:: Article
Full Text:: in the Andes sample (US-1, EC-1, PE-3, and PE-7) and one another and the Mexico sample (Fig. 3). EC-1

Landauer, Kubo, and microcanonical approaches to quantum transport and noise: A comparison and implications for cold-atom dynamics

Creator:: Chien, Chih-Chun, Di Ventra, Massimiliano, and Zwolak, Michael
Abstract:: We compare the Landauer, Kubo, and microcanonical [J. Phys.: Condens. Matter 16, 8025 (2005)] approaches to quantum transport for the average current, the entanglement entropy, and the semiclassical full-counting statistics (FCS). Our focus is on the applicability of these approaches to isolated quantum systems such as ultracold atoms in engineered...
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Full Text:: -link case, or insert a central site with tunable onsite energy EC , which we call the central-site case

A Polynomial Equation for the Natural Earth Projection

Creator:: Savric, Bojan, Jenny, Bernhard, Patterson, Tom, Petrovic, Dusan, and Hurni, Lorenz
Abstract:: The Natural Earth projection is a new projection for representing the entire Earth on small-scale maps. It was designed in Flex Projector a specialized software application that offers a graphical approach for the creation of new projections. The original Natural Earth projection defines the length and spacing of parallels in...
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Full Text:: D el iv er ed b y P ub lis hi ng T ec hn ol og y to

A large proportion of North American net ecosystem production is offset by emissions from harvested products, river/stream evasion, and biomass burning

Creator:: Turner, David P., Jacobson, Andrew R., Ritts, William D., Wang, Weile L., and Nemani, Ramakrishna
Abstract:: Diagnostic carbon cycle models produce estimates of net ecosystem production (NEP, the balance of net primary production and heterotrophic respiration) by integrating information from (i) satellite-based observations of land surface vegetation characteristics; (ii) distributed meteorological data; and (iii) eddy covariance flux tower observations of net ecosystem exchange (NEE) (used in...
Resource Type:: Article
Full Text:: (Hayes & Turner, 2012). Studies at eddy covariance (EC) tower sites suggest that the range of NEP (i.e

Regions of Backprojection and Comet Tail Artifacts for π-Line Reconstruction Formulas in Tomography

Creator:: Hass, Ryan and Faridani, Adel
Abstract:: We explore two characteristic features of x-ray computed tomography inversion formulas in two and three dimensions that are dependent on π-lines. In such formulas the data from a given source position contribute only to the reconstruction of ƒ(x) for x in a certain region, called the region of backprojection. The...
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Full Text:: ed is tr ib ut io n su bj ec t t o SI A M li ce ns e or c op yr ig ht ; s ee h

ScholarsArchive@OSU

Uncertainties in, and interpretation of, carbon flux estimates using the eddy covariance technique

Size-dependent aerosol deposition velocities during BEARPEX'07

Benthic oxygen consumption rates during hypoxic conditions on the Oregon continental shelf: Evaluation of the eddy correlation method

Benthic oxygen consumption rates during hypoxic conditions on the Oregon continental shelf: Evaluation of the eddy correlation method

Evaluation of continental carbon cycle simulations with North American flux tower observations

The Irish potato famine pathogen Phytophthora infestans originated in central Mexico rather than the Andes

Landauer, Kubo, and microcanonical approaches to quantum transport and noise: A comparison and implications for cold-atom dynamics

A Polynomial Equation for the Natural Earth Projection

A large proportion of North American net ecosystem production is offset by emissions from harvested products, river/stream evasion, and biomass burning

Regions of Backprojection and Comet Tail Artifacts for π-Line Reconstruction Formulas in Tomography

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