J. O. Kaplan

Evolution of methane concentrations over the last 20 years, GEOS-Chem Users' Meeting (2008)

Drevet, J., Bey, I., Kaplan, J.O., Koumoutsaris, S., Generoso, S.

Carbon Isotope Discrimination of Terrestrial Ecosystems - How Well do Observed and Modeled Results Match? (2008)

Buchmann, N., Kaplan, J. O.

Climate change and Arctic vegetation (2008)

Kaplan, J. O.

Late Quaternary-Holocene vegetation modeling (2008)

Kaplan, J. O.

The application and interpretation of Keeling plots in terrestrial carbon cycle research (2008)

Pataki, D. E., Ehleringer, J. R., Flanagan, L. B., Yakir, D., Bowling, D. R., Still, C. J., ...

Photosynthesis and respiration impart distinct isotopic signatures to the atmosphere that are used to constrain global carbon source/sink estimates and partition ecosystem fluxes. Increasingly, the...

Using a biogeochemistry model in simulating forests productivity responses to climatic change and CO2 increase: example of Pinus halepensis in Provence (south-east France) (2008)

Rathgeber, C., Nicault, A., Kaplan, J. O., Guiot, J.

Tree-ring chronologies provide long-term records of growth in natural environmental conditions and may be used to evaluate the impacts of climatic change and [CO2] increase on forest productivity....

Implications of coral reef buildup for the controls on atmospheric CO2 since the Last Glacial Maximum (2008)

Ridgwell, A. J., Watson, A. J., Maslin, M. A., Kaplan, J. O.

We examine the effect on atmospheric CO2 of the occurrence of increased shallow water carbonate deposition and regrowth of the terrestrial biosphere following the last glacial. We find that contrary...

Climate and interannual variability of the atmosphere-biosphere 13CO2 flux (2008)

Scholze, M., Kaplan, J. O., Knorr, W., Heimann, M.

We present a bottom-up approach to simulate the terrestrial isotopic carbon variations using the Lund-Potsdam-Jena dynamic global vegetation model (LPJ-DGVM). LPJ is extended to include isotopic...

Pollen productivity estimates for common taxa in the Upper Engadin Valley, southeastern Switzerland (2008)

Sjögren, P., Van Der Knaap, W. O., Kaplan, J. O., Ammann, B.

A continuous Late Glacial and Holocene record of vegetation changes in Kazakhstan (2008)

Tarasov, P. E., Jolly, D., Kaplan, J. O.

The Late Glacial and Holocene vegetation history of northern Kazakhstan is reconstructed using a well dated continuous pollen record from Ozerki swamp (50 degrees 24'N, 80 degrees 28'E, altitude 210...

Leaf area index for northern and eastern North America ad the Last Glacial Maximum: A data-model comparison (2008)

Williams, J. W., Gonzales, L. M., Kaplan, J. O.

Aim To estimate the effects of full-glacial atmospheric CO2 concentrations and climate upon leaf area index (LAI), using both global vegetation models and palaeoecological data. Prior simulations...

Evaluation of ecosystem dynamics, plant geography and terrestrial carbon cycling in the LPJ dynamic global vegetation model (2008)

Sitch, S., Smith, B., Prentice, I. C., Arneth, A., Bondeau, A., Cramer, W., ...

The Lund-Potsdam-Jena Dynamic Global Vegetation Model (LPJ) combines process-based, large-scale representations of terrestrial vegetation dynamics and land-atmosphere carbon and water exchanges in a...

Carbon storage on exposed continental shelves during the glacial-interglacial transition (2008)

Montenegro, A., Eby, M., Kaplan, J. O., Meissner, K. J., Weaver, A. J.

We present analyses of new and previously published estimates of total (vegetation plus soil) carbon storage on exposed continental shelves during the LGM. Carbon stock estimates from environmental...

LPJ - A coupled model of vegetation dynamics and the terrestrial carbon cycle (2008)

Sitch, S., Prentice, I. C., Smith, B., Cramer, W., Kaplan, J.O., Lucht, W., ...

Interpretation of pollen data using a plant functional type approach and an inverse vegetation modeling (2008)

Guiot, J., Jolly, D., Cheddadi, R., Peyron, O., Torre, F., Boreux, J.J., ...

Satellite cartography of atmospheric methane from SCIAMACHY onboard ENVISAT: (II) Comparison with inverse model simulations (2008)

Bergamaschi, P., Frankenberg, C., Meirink, J. F., Krol, M., Dentener, F., Wagner, T., ...

We extend the analysis of a global CH4 data set retrieved from SCIAMACHY (Frankenberg et al., 2006) by making a detailed comparison with inverse TM5 model simulations for 2003 that are optimized...

Climate change and Arctic ecosystems: 1. Vegetation changes north of 55 degrees N between the last glacial maximum, mid-Holocene, and present (2008)

Bigelow, N. H., Brubaker, L. B., Edwards, M. E., Harrison, S. P., Prentice, I. C., Anderson, P. M., ...

A unified scheme to assign pollen samples to vegetation types was used to reconstruct vegetation patterns north of 55°N at the last glacial maximum (LGM) and mid-Holocene (6000 years B.P.). The...

The climate of the mediterranean basin and of Eurasia of the Last Glacial Maximum as reconstructed by inverse vegetation modelling and pollen data (2008)

Guiot, J., Torre, F., Cheddadi, R., Peyron, O., Tarasov, P., Jolly, D., ...

Antarctic climate during the middle Pliocene: model sensitivity to ice sheet variation (2008)

Haywood, A. M., Valdes, P. J., Sellwood, B. W., Kaplan, J. O.

Significant controversy exists surrounding the nature of the Antarctic ice sheet during the period of middle Pliocene warmth. This paper outlines the output from three sensitivity experiments for the...

Modelling middle Pliocene warm climates of the USA (2008)

Haywood, A. M., Valdes, P. J., Selwood, B. W., Kaplan, J. O., Dowsett, H. J.

The middle Pliocene warm period represents a unique time slice in which to model and understand climatic processes operating under a warm climatic regime. Palaeoclimatic model simulations, focussed...

Wetlands at the Last Glacial Maximum: Distribution and methane emissions (2008)

Kaplan, J. O.

The global distribution of potential wetlands and their methane (CH4) emissions at the present-day and the Last Glacial Maximum (LGM) are estimated using a GCM simulation of LGM climate, a vegetation...

Climate change and Arctic ecosystems: 2. Modeling, paleodata-model comparisons, and future projections (2008)

Kaplan, J. O., Bigelow, N. H., Prentice, I. C., Harrison, S. P., Bartlein, P. J., Christensen, T. R., ...

Large variations in the composition, structure, and function of Arctic ecosystems are determined by climatic gradients, especially of growing-season warmth, soil moisture, and snow cover. A unified...

The role of methane and biogenic volatile organic compound sources in late glacial and Holocene fluctuations of atmospheric methane concentrations (2008)

Kaplan, J. O., Folberth, G., Hauglustaine, D.

Recent analyses of ice core methane concentrations suggested that methane emissions from wetlands were the primary driver for prehistoric changes in atmospheric methane. However, these...

Arctic climate change with a 2°C global warming: Timing, climate patterns and vegetation change (2008)

Kaplan, J. O., New, M.

The stable carbon isotope composition of the terrestrial biosphere: Modeling at scales from the leaf to the globe (2008)

Kaplan, J. O., Prentice, I. C., Buchmann, N.

Global data sets of the stable carbon isotope composition of plant leaves, of CO2 in canopy air, and of CO2 in the background atmosphere were compiled and compared to results of a global vegetation...

Modeling the dynamics of terrestrial carbon storage since the Last Glacial Maximum (2008)

Kaplan, J. O., Prentice, I. C., Knorr, W., Valdes, P. J.

A dynamic global vegetation model (DGVM) was used to simulate global terrestrial carbon storage and stable carbon isotope composition changes for the last 21000 years. A paleoclimate scenario was...

Abrupt climate change and the carbon isotope composition of atmospheric methane (2007)

Kaplan, J. O., Melton, J. R., Köhler, P.

Satellite chartography of atmospheric methane from SCIAMACHY onboard ENVISAT: 2. Evaluation based on inverse model simulations (2007)

Bergamaschi, P., Frankenberg, C., Meirink, J.F., Krol, M.C., Dentener, F., Wagner, T., ...

We extend the analysis of a global CH4 data set retrieved from SCIAMACHY (Frankenberg et al., 2006) by making a detailed comparison with inverse TM5 model simulations for 2003 that are optimized...

Satellite chartography of atmospheric methane from SCIAMACHY onboard ENVISAT: (II) Evaluation based on inverse model simulations (2007)

Bergamaschi, P., Frankenberg, C., Meirink, J. F., Krol, M., Dentener, F., Wagner, T., ...

Climate change and Arctic ecosystems II: Modeling, paleodata-model comparisons, and future projections (2003)

Kaplan, J.O., Bigelow, N.H., Bartlein, P.J., Christiansen, T.R., Cramer, W., Harrison, S.M., ...

Climate change and Arctic ecosystems: 2. Modeling, paleodata-model comparisons, and future projections (2003)

Kaplan, J. O., Bigelow, N. H., Prentice, I. C., Harrison, S.P., Bartlein, P.J., Christensen, T.R., ...

Large variations in the composition, structure, and function of Arctic ecosystems are determined by climatic gradients, especially of growing-season warmth, soil moisture, and snow cover. A unified...

Climate change and Arctic ecosystems: 2. Modeling, paleodata-model comparisons, and future projections (2003)

Kaplan, J. O, Bigelow, N. H, Prentice, I. C, Harrison, S. P, Bartlein, P. J, Christensen, T. R, ...

Large variations in the composition, structure, and function of Arctic ecosystems are determined by climatic gradients, especially of growing-season warmth, soil moisture, and snow cover. A unified...