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23 results on '"Hutley, Lindsay B."'

7. Challenges and opportunities in land surface modelling of savanna ecosystems

Author

Whitley, Rhys, primary, Beringer, Jason, additional, Hutley, Lindsay B., additional, Abramowitz, Gabriel, additional, De Kauwe, Martin G., additional, Evans, Bradley, additional, Haverd, Vanessa, additional, Li, Longhui, additional, Moore, Caitlin, additional, Ryu, Youngryel, additional, Scheiter, Simon, additional, Schymanski, Stanislaus J., additional, Smith, Benjamin, additional, Wang, Ying-Ping, additional, Williams, Mathew, additional, and Yu, Qiang, additional

Published
2017
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11. Carbon uptake and water use in woodlands and forests in southern Australia during an extreme heat wave event in the “Angry Summer” of 2012/2013

Author

van Gorsel, Eva, primary, Wolf, Sebastian, additional, Cleverly, James, additional, Isaac, Peter, additional, Haverd, Vanessa, additional, Ewenz, Cäcilia, additional, Arndt, Stefan, additional, Beringer, Jason, additional, Resco de Dios, Víctor, additional, Evans, Bradley J., additional, Griebel, Anne, additional, Hutley, Lindsay B., additional, Keenan, Trevor, additional, Kljun, Natascha, additional, Macfarlane, Craig, additional, Meyer, Wayne S., additional, McHugh, Ian, additional, Pendall, Elise, additional, Prober, Suzanne M., additional, and Silberstein, Richard, additional

Published
2016
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12. An introduction to the Australian and New Zealand flux tower network – OzFlux

Author

Beringer, Jason, primary, Hutley, Lindsay B., additional, McHugh, Ian, additional, Arndt, Stefan K., additional, Campbell, David, additional, Cleugh, Helen A., additional, Cleverly, James, additional, Resco de Dios, Víctor, additional, Eamus, Derek, additional, Evans, Bradley, additional, Ewenz, Cacilia, additional, Grace, Peter, additional, Griebel, Anne, additional, Haverd, Vanessa, additional, Hinko-Najera, Nina, additional, Huete, Alfredo, additional, Isaac, Peter, additional, Kanniah, Kasturi, additional, Leuning, Ray, additional, Liddell, Michael J., additional, Macfarlane, Craig, additional, Meyer, Wayne, additional, Moore, Caitlin, additional, Pendall, Elise, additional, Phillips, Alison, additional, Phillips, Rebecca L., additional, Prober, Suzanne M., additional, Restrepo-Coupe, Natalia, additional, Rutledge, Susanna, additional, Schroder, Ivan, additional, Silberstein, Richard, additional, Southall, Patricia, additional, Yee, Mei Sun, additional, Tapper, Nigel J., additional, van Gorsel, Eva, additional, Vote, Camilla, additional, Walker, Jeff, additional, and Wardlaw, Tim, additional

Published
2016
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14. Reviews and syntheses: Australian vegetation phenology: new insights from satellite remote sensing and digital repeat photography

Author

Moore, Caitlin E., primary, Brown, Tim, additional, Keenan, Trevor F., additional, Duursma, Remko A., additional, van Dijk, Albert I. J. M., additional, Beringer, Jason, additional, Culvenor, Darius, additional, Evans, Bradley, additional, Huete, Alfredo, additional, Hutley, Lindsay B., additional, Maier, Stefan, additional, Restrepo-Coupe, Natalia, additional, Sonnentag, Oliver, additional, Specht, Alison, additional, Taylor, Jeffrey R., additional, van Gorsel, Eva, additional, and Liddell, Michael J., additional

Published
2016
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15. A model inter-comparison study to examine limiting factors in modelling Australian tropical savannas

Author

Whitley, Rhys, primary, Beringer, Jason, additional, Hutley, Lindsay B., additional, Abramowitz, Gab, additional, De Kauwe, Martin G., additional, Duursma, Remko, additional, Evans, Bradley, additional, Haverd, Vanessa, additional, Li, Longhui, additional, Ryu, Youngryel, additional, Smith, Benjamin, additional, Wang, Ying-Ping, additional, Williams, Mathew, additional, and Yu, Qiang, additional

Published
2016
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16. Challenges and opportunities in modelling savanna ecosystems

Author

Whitley, Rhys, primary, Beringer, Jason, additional, Hutley, Lindsay B., additional, Abramowitz, Gabriel, additional, De Kauwe, Martin G., additional, Evans, Bradley, additional, Haverd, Vanessa, additional, Li, Longhui, additional, Moore, Caitlin, additional, Ryu, Youngryel, additional, Scheiter, Simon, additional, Schymanski, Stanislaus J., additional, Smith, Benjamin, additional, Wang, Ying-Ping, additional, Williams, Mathew, additional, and Yu, Qiang, additional

Published
2016
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17. Australian vegetation phenology: new insights from satellite remote sensing and digital repeat photography

Author

Moore, Caitlin E., primary, Brown, Tim, additional, Keenan, Trevor F., additional, Duursma, Remko A., additional, van Dijk, Albert I. J. M., additional, Beringer, Jason, additional, Culvenor, Darius, additional, Evans, Bradley, additional, Huete, Alfredo, additional, Hutley, Lindsay B., additional, Maier, Stefan, additional, Restrepo-Coupe, Natalia, additional, Sonnentag, Oliver, additional, Specht, Alison, additional, Taylor, Jeffrey R., additional, van Gorsel, Eva, additional, and Liddell, Michael J., additional

Published
2016
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20. A model inter-comparison study to examine limiting factors in modelling Australian tropical savannas

Author

Whitley, Rhys, Beringer, Jason, Hutley, Lindsay B., Abramowitz, Gab, De Kauwe, Martin G., Duursma, Remko, Evans, Bradley, Haverd, Vanessa, Li, Longhui, Ryu, Youngryel, Smith, Benjamin, Wang, Ying-Ping, Williams, Mathew, Yu, Qiang, Whitley, Rhys, Beringer, Jason, Hutley, Lindsay B., Abramowitz, Gab, De Kauwe, Martin G., Duursma, Remko, Evans, Bradley, Haverd, Vanessa, Li, Longhui, Ryu, Youngryel, Smith, Benjamin, Wang, Ying-Ping, Williams, Mathew, and Yu, Qiang

Abstract

The savanna ecosystem is one of the most dominant and complex terrestrial biomes, deriving from a distinct vegetative surface comprised of co-dominant tree and grass populations. While these two vegetation types co-exist functionally, demographically they are not static but are dynamically changing in response to environmental forces such as annual fire events and rainfall variability. Modelling savanna environments with the current generation of terrestrial biosphere models (TBMs) has presented many problems, particularly describing fire frequency and intensity, phenology, leaf biochemistry of C3 and C4 photosynthesis vegetation, and root-water uptake. In order to better understand why TBMs perform so poorly in savannas, we conducted a model inter-comparison of six TBMs and assessed their performance at simulating latent energy (LE) and gross primary productivity (GPP) for five savanna sites along a rainfall gradient in northern Australia. Performance in predicting LE and GPP was measured using an empirical benchmarking system, which ranks models by their ability to utilise meteorological driving information to predict the fluxes. On average, the TBMs performed as well as a multi-linear regression of the fluxes against solar radiation, temperature and vapour pressure deficit but were outperformed by a more complicated nonlinear response model that also included the leaf area index (LAI). This identified that the TBMs are not fully utilising their input information effectively in determining savanna LE and GPP and highlights that savanna dynamics cannot be calibrated into models and that there are problems in underlying model processes. We identified key weaknesses in a model’s ability to simulate savanna fluxes and their seasonal variation, related to the representation of vegetation by the models and root-water

Published
2015

21. The relationships between termite mound CH4/CO2 emissions and internal concentration ratios are species specific

Author

Jamali, Hizbullah, Livesley, Stephen, Hutley, Lindsay B., Fest, Benedict, Arndt, Stefan, Jamali, Hizbullah, Livesley, Stephen, Hutley, Lindsay B., Fest, Benedict, and Arndt, Stefan

Abstract

We investigated the relative importance of CH4 and CO2 fluxes from soil and termite mounds at four different sites in the tropical savannas of northern Australia near Darwin and assessed different methods to indirectly predict CH4 fluxes based on CO2 fluxes and internal gas concentrations. The annual flux from termite mounds and surrounding soil was dominated by CO2 with large variations among sites. On a carbon dioxide equivalent (CO2-e) basis, annual CH4 flux estimates from termite mounds were 5- to 46-fold smaller than the concurrent annual CO2 flux estimates. Differences between annual soil CO2 and soil CH4 (CO2-e) fluxes were even greater, soil CO2 fluxes being almost three orders of magnitude greater than soil CH4 (CO2-e) fluxes at site. The contribution of CH4 and CO2 emissions from termite mounds to the total CH4 and CO2 emissions from termite mounds and soil in CO2-e was less than 1%. There were significant relationships between mound CH4 flux and mound CO2 flux, enabling the prediction of CH4 flux from measured CO2 flux; however, these relationships were clearly termite species specific. We also observed significant relationships between mound flux and gas concentration inside mound, for both CH4 and CO2, and for all termite species, thereby enabling the prediction of flux from measured mound internal gas concentration. However, these relationships were also termite species specific. Using the relationship between mound internal gas concentration and flux from one species to predict mound fluxes from other termite species (as has been done in the past) would result in errors of more than 5-fold for mound CH4 flux and 3-fold for mound CO2 flux. This study highlights that CO2 fluxes from termite mounds are generally more than one order of magnitude greater than CH4 fluxes. There are species-specific relationships between CH4 and CO2 fluxes from a mound, and between the inside mound concentration of a gas and the mound flux emission of the same gas, but these

Published
2013

23. Carbon uptake and water use in woodlands and forests in southern Australia during an extreme heat wave event in the 'angry Summer' of 2012/2013

Author

Van Gorsel, Eva, Wolf, Sebastian, Cleverly, James, Isaac, Peter, Haverd, Vanessa, Ewenz, Caecilia M., Arndt, Stefan, Beringer, Jason, De Dios, Victor R., Evans, Bradley John, Griebel, Anne, Hutley, Lindsay B., Keenan, Trevor F., Kljun, Natascha, MacFarlane, Craig, Meyer, Wayne S., McHugh, Ian, Pendall, E. G., Prober, Suzanne M., Silberstein, Richard P., Van Gorsel, Eva, Wolf, Sebastian, Cleverly, James, Isaac, Peter, Haverd, Vanessa, Ewenz, Caecilia M., Arndt, Stefan, Beringer, Jason, De Dios, Victor R., Evans, Bradley John, Griebel, Anne, Hutley, Lindsay B., Keenan, Trevor F., Kljun, Natascha, MacFarlane, Craig, Meyer, Wayne S., McHugh, Ian, Pendall, E. G., Prober, Suzanne M., and Silberstein, Richard P.

Abstract

Van Gorsel, E., Wolf, S., Cleverly, J., Isaac, P., Haverd, V., Ewenz, C., ... Silberstein, R. (2016). Carbon uptake and water use in woodlands and forests in southern Australia during an extreme heat wave event in the "angry Summer" of 2012/2013. Biogeosciences, 13(21), 5947-5964. Available here.

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