Search Results - "COLLATZ, G. JAMES"

Recent pause in the growth rate of atmospheric CO2 due to enhanced terrestrial carbon uptake by Keenan, Trevor F, Prentice, I. Colin, Canadell, Josep G, Williams, Christopher A, Wang, Han, Raupach, Michael, Collatz, G. James

“…Terrestrial ecosystems play a significant role in the global carbon cycle and offset a large fraction of anthropogenic CO 2 emissions. The terrestrial carbon…”
Get full text

Global fire emissions estimates during 1997–2016 by van der Werf, Guido R, Randerson, James T, Giglio, Louis, van Leeuwen, Thijs T, Chen, Yang, Rogers, Brendan M, Mu, Mingquan, van Marle, Margreet J. E, Morton, Douglas C, Collatz, G. James, Yokelson, Robert J, Kasibhatla, Prasad S

“…Climate, land use, and other anthropogenic and natural drivers have the potential to influence fire dynamics in many regions. To develop a mechanistic…”
Get full text

Evaluating and Quantifying the Climate-Driven Interannual Variability in Global Inventory Modeling and Mapping Studies (GIMMS) Normalized Difference Vegetation Index (NDVI3g) at Global Scales by Zeng, Fanwei, Collatz, George James, Pinzon, Jorge E., Ivanoff, Alvaro

“…Satellite observations of surface reflected solar radiation contain informationabout variability in the absorption of solar radiation by vegetation…”
Get full text

Carbon consequences of forest disturbance and recovery across the conterminous United States by Williams, Christopher A., Collatz, G. James, Masek, Jeffrey, Goward, Samuel N.

“…Forests of North America are thought to constitute a significant long‐term sink for atmospheric carbon. The United States Forest Service Forest Inventory and…”
Get full text

Forecasting Fire Season Severity in South America Using Sea Surface Temperature Anomalies by Chen, Yang, Randerson, James T., Morton, Douglas C., DeFries, Ruth S., Collatz, G. James, Kasibhatla, Prasad S., Giglio, Louis, Jin, Yufang, Marlier, Miriam E.

“…Fires in South America cause forest degradation and contribute to carbon emissions associated with land use change. We investigated the relationship between…”
Get full text

Fire-induced carbon emissions and regrowth uptake in western U.S. forests: Documenting variation across forest types, fire severity, and climate regions by Ghimire, Bardan, Williams, Christopher A., Collatz, G. James, Vanderhoof, Melanie

“…The forest area in the western United States that burns annually is increasing with warmer temperatures, more frequent droughts, and higher fuel densities…”
Get full text

A global synthesis inversion analysis of recent variability in CO2 fluxes using GOSAT and in situ observations by Wang, James S, Kawa, S Randolph, Collatz, G James, Sasakawa, Motoki, Gatti, Luciana V, Machida, Toshinobu, Liu, Yuping, Manyin, Michael E

“…The precise contribution of the two major sinks for anthropogenic CO2 emissions, terrestrial vegetation and the ocean, and their location and year-to-year…”
Get full text

Carbon monitoring system flux estimation and attribution: impact of ACOS-GOSAT XCO2 sampling on the inference of terrestrial biospheric sources and sinks by Liu, Junjie, Bowman, Kevin W., Lee, Meemong, Henze, Daven K., Bousserez, Nicolas, Brix, Holger, James Collatz, G., Menemenlis, Dimitris, Ott, Lesley, Pawson, Steven, Jones, Dylan, Nassar, Ray

“…Using an Observing System Simulation Experiment (OSSE), we investigate the impact of JAXA Greenhouse gases Observing SATellite 'IBUKI' (GOSAT) sampling on the…”
Get full text

Biogenic carbon fluxes from global agricultural production and consumption by Wolf, Julie, West, Tristram O., Le Page, Yannick, Kyle, G. Page, Zhang, Xuesong, Collatz, G. James, Imhoff, Marc L.

“…Quantification of biogenic carbon fluxes from agricultural lands is needed to generate comprehensive bottom‐up estimates of net carbon exchange for global and…”
Get full text

Interpreting seasonal changes in the carbon balance of southern Amazonia using measurements of XCO2 and chlorophyll fluorescence from GOSAT by Parazoo, Nicholas C., Bowman, Kevin, Frankenberg, Christian, Lee, Jung-Eun, Fisher, Joshua B., Worden, John, Jones, Dylan B. A., Berry, Joseph, Collatz, G. James, Baker, Ian T., Jung, Martin, Liu, Junjie, Osterman, Gregory, O'Dell, Chris, Sparks, Athena, Butz, Andre, Guerlet, Sandrine, Yoshida, Yukio, Chen, Huilin, Gerbig, Christoph

“…Amazon forests exert a major influence on the global carbon cycle, but quantifying the impact is complicated by diverse landscapes and sparse data. Here we…”
Get full text

Combined Simple Biosphere/Carnegie-Ames-Stanford Approach terrestrial carbon cycle model by Schaefer, Kevin, Collatz, G. James, Tans, Pieter, Denning, A. Scott, Baker, Ian, Berry, Joe, Prihodko, Lara, Suits, Neil, Philpott, Andrew

“…Biogeochemical models must include a broad variety of biological and physical processes to test our understanding of the terrestrial carbon cycle and to…”
Get full text

Identification of vegetation and soil carbon pools out of equilibrium in a process model via eddy covariance and biometric constraints by CARVALHAIS, NUNO, REICHSTEIN, MARKUS, CIAIS, PHILIPPE, COLLATZ, G. JAMES, MAHECHA, MIGUEL D, MONTAGNANI, LEONARDO, PAPALE, DARIO, RAMBAL, SERGE, SEIXAS, JÚLIA

“…Assumptions of steady-state conditions in biogeochemical modelling are often invoked because knowledge on the development status of the modelling domain is…”
Get full text

A Global Synthesis Inversion Analysis of Recent Variability in CO 2 Fluxes Using GOSAT and In Situ Observations by Wang, James S, Kawa, S Randolph, Collatz, G James, Sasakawa, Motoki, Gatti, Luciana V, Machida, Toshinobu, Liu, Yuping, Manyin, Michael E

“…The precise contribution of the two major sinks for anthropogenic CO emissions, terrestrial vegetation and the ocean, and their location and year-to-year…”
Get full text

Potential Transient Response of Terrestrial Vegetation and Carbon in Northern North America from Climate Change by Steven A. Flanagan, George C. Hurtt, Justin P. Fisk, Ritvik Sahajpal, Maosheng Zhao, Ralph Dubayah, Matthew C. Hansen, Joe H. Sullivan, G. James Collatz

“…Terrestrial ecosystems and their vegetation are linked to climate. With the potential of accelerated climate change from anthropogenic forcing, there is a need…”
Get full text

Postfire response of North American boreal forest net primary productivity analyzed with satellite observations by Hicke, Jeffrey A., Asner, Gregory P., Kasischke, Eric S., French, Nancy H. F., Randerson, James T., James Collatz, G., Stocks, Brian J., Tucker, Compton J., Los, Sietse O., Field, Christopher B.

“…Fire is a major disturbance in the boreal forest, and has been shown to release significant amounts of carbon (C) to the atmosphere through combustion…”
Get full text

Time-dependent inversion estimates of global biomass-burning CO emissions using Measurement of Pollution in the Troposphere (MOPITT) measurements by Arellano Jr, Avelino F., Kasibhatla, Prasad S., Giglio, Louis, van der Werf, Guido R., Randerson, James T., Collatz, G. James

“…We present an inverse‐modeling analysis of CO emissions using column CO retrievals from the Measurement of Pollution in the Troposphere (MOPITT) instrument and…”
Get full text

Interannual variability of photosynthesis across Africa and its attribution by Williams, Christopher A., Hanan, Niall P., Baker, Ian, Collatz, G. James, Berry, Joseph, Denning, A. Scott

“…Africa is thought to be a large source of interannual variability in the global carbon cycle, only vaguely attributed to climate fluctuations. This study uses…”
Get full text

Impact Assessment of Satellite-Derived Leaf Area Index Datasets Using a General Circulation Model by Kang, Hyun-Suk, Xue, Yongkang, Collatz, G. James

“…This study assesses the impact of two different remote sensing–derived leaf area index (RSLAI) datasets retrieved from the same source (i.e., Advanced Very…”
Get full text

Disturbance and the carbon balance of US forests: A quantitative review of impacts from harvests, fires, insects, and droughts by Williams, Christopher A., Gu, Huan, MacLean, Richard, Masek, Jeffrey G., Collatz, G. James

“…Disturbances are a major determinant of forest carbon stocks and uptake. They generally reduce land carbon stocks but also initiate a regrowth legacy that…”
Get full text

Iconic CO2 time series at risk by Houweling, Sander, Badawy, Bakr, Baker, David F, Basu, Sourish, Belikov, Dmitry, Bergamaschi, Peter, Bousquet, Philippe, Broquet, Gregoire, Butler, Tim, Canadell, Josep G, Chen, Jing, Chevallier, Frederic, Ciais, Philippe, Collatz, G James, Denning, Scott, Engelen, Richard, Enting, Ian G, Fischer, Marc L, Fraser, Annemarie, Gerbig, Christoph, Gloor, Manuel, Jacobson, Andrew R, Jones, Dylan B A, Heimann, Martin, Khalil, Aslam, Kaminski, Thomas, Kasibhatla, Prasad S, Krakauer, Nir Y, Krol, Maarten, Maki, Takashi, Maksyutov, Shamil, Manning, Andrew, Meesters, Antoon, Miller, John B, Palmer, Paul I, Patra, Prabir, Peters, Wouter, Peylin, Philippe, Poussi, Zegbeu, Prather, Michael J, Randerson, James T, Röckmann, Thomas, Rödenbeck, Christian, Sarmiento, Jorge L, Schimel, David S, Scholze, Marko, Schuh, Andrew, Suntharalingam, Parv, Takahashi, Taro, Turnbull, Jocelyn, Yurganov, Leonid, Vermeulen, Alex

Get full text