Index Catalog // ScholarsArchive@OSU

Sensitivity of a subregional scale atmospheric inverse CO₂ modeling framework to boundary conditions

Creator:: Göckede, Mathias, Turner, David P., Michalak, Anna M., Vickers, Dean, and Law, Beverly E.
Abstract:: We present an atmospheric inverse modeling framework to constrain terrestrial biosphere CO₂ exchange processes at subregional scales. The model is operated at very high spatial and temporal resolution, using the state of Oregon in the northwestern United States as the model domain. The modeling framework includes mesoscale atmospheric simulations coupled...
Resource Type:: Article

Thermal optimality of net ecosystem exchange of carbon dioxide and underlying mechanisms

Creator:: Niu, Shuli, Luo, Yiqi, Fei, Shenfeng, Yuan, Wenping, Schimel, David, Law, Beverly E., Ammann, Christof, Arain, M. Altaf, Arneth, Almut, Aubinet, Marc, Barr, Alan, Beringer, Jason, Bernhofer, Christian, Black, T. Andrew, Buchmann, Nina, Cescatti, Alessandro, Chen, Jiquan, Davis, Kenneth J., Dellwik, Ebba, Desai, Ankur R., Etzold, Sophia, Francois, Louis, Gianelle, Damiano, Gielen, Bert, Goldstein, Allen, Groenendijk, Margriet, Gu, Lianhong, Hanan, Niall, Helfter, Carole, Hirano, Takashi, Hollinger, David Y., Jones, Mike B., Kiely, Gerard, Kolb, Thomas E., Kutsch, Werner L., Lafleur, Peter, Lawrence, David M., Li, Linghao, Lindroth, Anders, Litvak, Marcy, Loustau, Denis, Lund, Magnus, Marek, Michal, Martin, Timothy A., Matteucci, Giorgio, Migliavacca, Mirco, Montagnani, Leonardo, Moors, Eddy, Munger, J. William, Noormets, Asko, Oechel, Walter, Olejnik, Janusz, Paw U, Kyaw Tha, Pilegaard, Kim, Rambal, Serge, Raschi, Antonio, Scott, Russell L., Seufert, Gunther, Spano, Donatella, Stoy, Paul, Sutton, Mark A., Varlagin, Andrej, Vesala, Timo, Weng, Ensheng, Wohlfahrt, Georg, Yang, Bai, Zhang, Zhongda, and Zhou, Xuhui
Abstract:: It is well established that individual organisms can acclimate and adapt to temperature to optimize their functioning. However, thermal optimization of ecosystems, as an assemblage of organisms, has not been examined at broad spatial and temporal scales. Here, we compiled data from 169 globally distributed sites of eddy covariance and...
Resource Type:: Article

On the temporal upscaling of evapotranspiration from instantaneous remote sensing measurements to 8-day mean daily-sums

Creator:: Ryu, Youngryel, Baldocchi, Dennis D., Black, T. Andrew, Detto, Matteo, Law, Beverly E., Leuning, Ray, Miyata, Akira, Reichstein, Markus, Vargas, Rodrigo, Ammann, Christof, Beringer, Jason, Flanagan, Lawrence B., Gu, Lianhong, Hutley, Lindsay B., Kim, Joon, McCaughey, Harry, Moors, Eddy J., Rambal, Serge, and Vesala, Timo
Abstract:: The regular monitoring of evapotranspiration from satellites has been limited because of discontinuous temporal coverage, resulting in snapshots at a particular point in space and time. We developed a temporal upscaling scheme using satellite-derived instantaneous estimates of evapotranspiration to produce a daily-sum evapotranspiration averaged over an 8-day interval. We tested...
Resource Type:: Article

Empirical assessment of uncertainties of meteorological parameters and turbulent fluxes in the AmeriFlux network

Creator:: Schmidt, Andres, Hanson, Chad, Chan, W. Stephen, and Law, Beverly E.
Abstract:: Terrestrial ecosystem-atmosphere exchange of carbon, water vapor, and energy has been measured for over a decade at many sites globally. To minimize measurement and analysis errors, quality assurance data have been collected over short periods along-side tower instruments at AmeriFlux research sites. Theoretical and empirical error and uncertainty values have...
Resource Type:: Article

Integration of MODIS land and atmosphere products with a coupled-process model to estimate gross primary productivity and evapotranspiration from 1 km to global scales

Creator:: Ryu, Youngryel, Baldocchi, Dennis D., Kobayashi, Hideki, van Ingen, Catharine, Li, Jie, Black, T. Andy, Beringer, Jason, van Gorsel, Eva, Knohl, Alexander, Law, Beverly E., and Roupsard, Olivier
Abstract:: We propose the Breathing Earth System Simulator (BESS), an upscaling approach to quantify global gross primary productivity and evapotranspiration using MODIS with a spatial resolution of 1-5 km and a temporal resolution of 8 days. This effort is novel because it is the first system that harmonizes and utilizes MODIS...
Resource Type:: Article

Decadal Trends in Net Ecosystem Production and Net Ecosystem Carbon Balance for a Regional Socioecological System

Creator:: Turner, David P., Ritts, William D., Yang, Zhiqiang, Kennedy, Robert E., Cohen, Warren B., Duane, Maureen V., Thornton, Peter E., and Law, Beverly E.
Abstract:: Carbon sequestration is increasingly recognized as an ecosystem service, and forest management has a large potential to alter regional carbon fluxes − notably by way of harvest removals and related impacts on net ecosystem production (NEP). In the Pacific Northwest region of the U.S., the implementation of the Northwest Forest...
Resource Type:: Article

ScholarsArchive@OSU

Sensitivity of a subregional scale atmospheric inverse CO₂ modeling framework to boundary conditions

Thermal optimality of net ecosystem exchange of carbon dioxide and underlying mechanisms

On the temporal upscaling of evapotranspiration from instantaneous remote sensing measurements to 8-day mean daily-sums

Empirical assessment of uncertainties of meteorological parameters and turbulent fluxes in the AmeriFlux network

Integration of MODIS land and atmosphere products with a coupled-process model to estimate gross primary productivity and evapotranspiration from 1 km to global scales

Decadal Trends in Net Ecosystem Production and Net Ecosystem Carbon Balance for a Regional Socioecological System

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