Data-Model Interactions.Data from ecosystem-scale Free-Air CO2 Enrichment experiments provide a unique opportunity to test model assumptions and reduce model uncertainty in the representation of ecosystem responses to rising atmospheric CO2 concentrations.
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Publications.De Kauwe MG, Medlyn BE, Zaehle S, Walker AP, Dietze MC, Wang Y-P, Luo Y, Jain AK, El-Masri B, Hickler T, Warlind D, Weng E, Parton WJ, Thornton PE, Wang S, Prentice IC, Asao S, Smith B, McCarthy HR, Iversen CM, Hanson PJ, Warren JM, Oren R, Norby RJ. 2014. Where does the carbon go? A model-data intercomparison of vegetation carbon allocation and turnover processes at two temperate forest free-air CO2 enrichment sites. New Phytologist 203: 883-899.
Medlyn BE, Zaehle S, De Kauwe MG, Walker AP, Dietze MC, Hanson P, Hickler T, Jain A, Luo Y, Parton W, Prentice IC, Thornton PE, Wang S, Wang Y-P, Weng E, Iversen CM, McCarthy H, Warren JM, Oren R, Norby RJ. 2015. Using ecosystem experiments to improve vegetation models. Nature Climate Change 5: 528-534. Walker AP, Hanson PJ, De Kauwe MG, Medlyn BE, Zaehle S, Asao S, Dietze M, Hickler T, Huntingford C, Iversen CM, Jain A, Lomas M, Luo YQ, McCarthy H, Parton WJ, Prentice IC, Thornton PE, Wang SS, Wang YP, Warlind D, Weng ES, Warren, JM, Woodward FI, Oren R, Norby RJ. 2014. Comprehensive ecosystem model-data synthesis using multiple data sets at two temperate forest free-air CO2 enrichment experiments: Model performance at ambient CO2 concentration. Journal of Geophysical Research: Biogeosciences 119: 937-964. Walker AP, De Kauwe MG, Medlyn BE, Zaehle S, Iversen CM, Asao S, Guenet B, Harper A, Hickler T, Hungate BA, Jain AK, Luo Y, Lu X, Lu M, Luus K, Megonigal JP, Oren R, Ryan E, Shu S, Talhelm A, Wang Y-P, Warren JM, Werner C, Xia J, Yang B, Zak DR, Norby RJ. 2019. Decadal biomass increment in early secondary succession woody ecosystems is increased by CO2 enrichment. Nature Communications 10: 454. Walker A, De Kauwe M, Bastos A, Belmecheri S, Georgiou K, Keeling R, McMahon S, Medlyn B, Moore DJP, Norby RJ, Zaehle S, Anderson-Teixeira KJ, Battipaglia G, Brienen RJW, Cabugao KG, Cailleret M, Campbell E, Canadell JG, Ciais P, Craig ME, Ellsworth DS, Farquhar GD, Fatichi S, Fisher JB, Frank DC, Graven H, Gu L, Haverd V, Heilman K, Heimann M, Hungate BA, Iversen CM, Joos F, Jiang M, Keenan TF, Knauer J, Korner C, Leshyk VO, Leuzinger S, Liu Y, MacBean N, Malhi Y, McVicar TR, Penuelas J, Pongratz J, Powell AS, Riutta T, Sabot MEB, Schleucher J, Sitch S, Smith WK, Sulman B, Taylor B, Terrer C, Torn MS, Treseder KK, Trugman AT, Trumbore SE, van Mantgem PJ, Voelker SL, Whelan ME, Zuidema PA. 2021. Integrating evidence for a terrestrial carbon sink caused by increasing atmospheric CO2. New Phytologist 229: 2413 - 2445. Zaehle S, Medlyn BE, De Kauwe NG, Walker AP, Dietze MC, Hickler T, Luo Y, Wang Y-P, El-Masri B, Thornton P, Jain A, Wang S, Warlind D, Weng E, Parton W, Iversen CM, Gallet-Budynek A, McCarthy H, Finzi A, Hanson PJ, Prentice IC, Oren R, Norby RJ. 2014. Evaluation of 11 terrestrial carbon–nitrogen cycle models against observations from two temperate Free-Air CO2 Enrichment studies. New Phytologist 202: 803–822. |
Related Publications.Iversen CM, Norby RJ. 2014. Terrestrial plant productivity and carbon allocation in a changing climate. In Freedman B, ed. Handbook of Global Environmental Pollution: Global Environmental Change, New York, NY: Springer, pp. 297-316.
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Data Sets.See freely-available ORNL FACE data sets here: https://facedata.ornl.gov/ornl/.
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This research is funded by the Office of Biological and Environmental Research in the U.S. Department of Energy's Office of Science.