Chu, H., X. Luo, Z. Ouyang, P. Oikawa, and AmeriFlux collaborators (2021) Footprint-aware approaches for model-data benchmarking across AmeriFlux sites. 17th US-China Carbon Consortium (USCCC) Annual Meeting, 30-31 July, Chongqing, China (keynote presentation)
Chu, H. (2019) Breath, Burp, and Sweat of Ecosystems: Lessons learned from clusters and networks of eddy covariance flux towers. Invited Seminar, Research Center for Environmental Changes, Academia Sinica, Taiwan (invited talk)
Chu, H. (2019) Surface-Atmosphere Interaction: Lessons learned from clusters and networks of eddy covariance flux towers. Invited Seminar, Department of Atmosphere, National Taiwan University, Taiwan (invited talk)
Chu, H. (2018) Flux everywhere, and all the time? EESA Climate Brownbag Seminar, 26 March, Berkeley, CA, USA.
Chu, H. (2017) Fluxes and biophysical regulation in contrasting ecosystems. Invited Seminar, School of Forestry and Resource Conservation, National Taiwan University, Taiwan.
Chu, H., D. D. Baldocchi, and FLUXNET contributors (2017). Flux everywhere, all the time: What have we learned and what can be learned from FLUXNET. FLUXNET 2017 Workshop, 7-9 June, Berkeley, CA, USA. (keynote presentation)
Chu, H. (2017) Fluxes and their biophysical regulation in contrasting ecosystems – Insights from clusters and networks of flux towers. LBNL Trr-BGC Seminar, 30 January, Berkeley, CA, USA.
Chu, H., D. D. Baldocchi, and FLUXNET contributors (2015). Flux everywhere, all of the times: What have we learned and what can be learned from FLUXNET. FLUXNET Synthesis Workshop 2015, 14-16, July, Beijing, China. (invited presentation)
Delwiche, K., H. Chu, P. Oikawa, D. Szutu, J. Verfaillie, T. Keenan, and D. Baldocchi (2024) A suite of data-model fusion approaches for informing greenhouse gas emissions at restored wetlands. Bay-Delta Science Conference, 30 September-2 October, Sacramento, CA, USA (oral presentation)
Chu, H. and AmeriFlux Management Project Team. (2024) AmeriFlux data pipeline and QA/QC. 2024 ESS PI Meeting, 16-17 April, Reston, VA, USA. (lightning talk)
Chu, H., D. Christianson, Y.-W. Cheah, G. Pastorello, F. O’Brien, J. Geden, S.-T. Ngo, R. Hollowgrass, K. Leibowitz, N.F. Beekwilder, M. Sandesh, S. Dengel, S.W. Chan, A. Santos, K. Delwiche, K. Yi, C. Buechner, D. Baldocchi, D. Papale, T.F. Keenan, S.C. Biraud, D.A. Agarwal, and M.S. Torn. (2024) AmeriFlux BASE data pipeline to support network growth and data sharing, 2024 ESS PI Meeting, 16-17 April, Reston, VA, USA. (poster)
Chu, H., D. Christianson, Y.-W. Cheah, G. Pastorello, F. O’Brien, J. Geden, S.-T. Ngo, R. Hollowgrass, K. Leibowitz, N.F. Beekwilder, M. Sandesh, S. Dengel, S.W. Chan, A. Santos, K. Delwiche, K. Yi, C. Buechner, D. Baldocchi, D. Papale, T.F. Keenan, S.C. Biraud, D.A. Agarwal, and M.S. Torn. (2023) AmeriFlux BASE data pipeline to support network growth and data sharing, AGU Fall Meeting, December, San Francisco, CA, USA.
Chu, H., X. Luo, Z. and Ouyang (2023) Representativeness of eddy-covariance flux footprints for areas surrounding AmeriFlux sites. AmeriFlux Annual Meeting, 4-6 October, Gardner, MA, USA. (lightning talk)
Reed, E.D., H. Chu, B. Peter, et al. (2023) Distance Decay of Carbon Fluxes Across Continental Scales. 2023 AmeriFlux Annual Meeting, 4-6 October, Gardner, MA, USA
Chu, H., D. Christianson, Y.-W. Cheah, G. Pastorello, F. O’Brien, J. Geden, S.-T. Ngo, R. Hollowgrass, K. Leibowitz, N.F. Beekwilder, M. Sandesh, S. Dengel, S.W. Chan, A. Santos, K. Delwiche, K. Yi, C. Buechner, D. Baldocchi, D. Papale, T.F. Keenan, S.C. Biraud, D.A. Agarwal, and M.S. Torn. (2023) AmeriFlux BASE data pipeline to support network growth and data sharing. 2023 AmeriFlux Annual Meeting, 4-6 October, Gardner, MA, USA. (poster)
Chu, H., P. Oikawa, T. Fenster, C. Rey-Sanchez, I. Dronova, A.C. Valach, D.D. Baldocchi, J. Verfaillie, S. Chan, S. Dengel, S. Biraud and M.S. Torn (2023) Evaluate a hierarchical modeling framework for decomposing fluxes at heterogeneous eddy covariance sites. 35th Conference on Agricultural and Forest Meteorology, 1-4 May, Minneapolis, MN, USA. (oral presentation)
Chu, H., P. Oikawa, T. Fenster, C. Rey-Sanchez, I. Dronova, A.C. Valach, D.D. Baldocchi, J. Verfaillie, S. Chan, S. Dengel, S. Biraud and M.S. Torn (2022) A footprint-informed approach for deriving flux response functions at AmeriFlux sites. AGU Fall Meeting 2022, 12-16 December, Chicago, IL, USA. (oral presentation)
Reed, E.D., H. Chu, B. Peter, and Site PI’s. Letting data self-cluster: Harmonic analysis of the AmeriFlux network. AmeriFlux Annual Meeting, 6-9 September, University of Michigan Biological Station. (poster)
Chu, H., P. Y. Oikawa, T. Fenster, C. Rey-Sanchez, D. D. Baldocchi, J. Verfaillie, S. Chan, S. Dengel, S. Biraud, and M. S. Torn (2021) A footprint-informed decomposition approach for deriving flux response functions at AmeriFlux sites. AmeriFlux ET workshop, 2-3 November (lightning talk)
Chu, H., P. Y. Oikawa, T. Fenster, C. Rey-Sanchez, D. D. Baldocchi, J. Verfaillie, S. Chan, S. Dengel, S. Biraud, and M. S. Torn (2021) A footprint-informed decomposition approach for deriving flux response functions at AmeriFlux sites. AmeriFlux Annual Meeting, 20-22 September, Virtual Meeting. (poster)
Fenster, T., H. Chu, I. Torres, and P. Oikawa (2021) Examining climate mitigation practices at the ecosystem scale: Carbon cycling, methane uptake, evapotranspiration and phenology responses to compost application in a grazed grassland. AmeriFlux Annual Meeting, 20-22 September, Virtual Meeting. (team oral presentation)
Chu, H., Z. Ouyang, and X. Luo (2021) A footprint-aware approach for model-data benchmarking across AmeriFlux sites. 34rd Conference on Agricultural and Forest Meteorology. 21-23 June 2021, Minneapolis, MN, USA.
Chu, H., Z. Ouyang, and X. Luo (2020) A footprint-aware approach for model-data benchmarking across AmeriFlux sites. AGU Fall Meeting 2020, 1-17 December, San Francisco, CA, USA.
Chu, H., X. Luo, Z. Ouyang, S. Chan, S. Dengel, S. C. Biraud, M. Torn, S. Metzger, J. Kumar, M. A. Arain, T. J. Arkebauer, D. Baldocchi, C. Bernacchi, D. Billesbach, T. A. Black, P. Blanken, G. Bohrer, R. Bracho, S. Brown, N. Brunsell, J. Chen, X. Chen, K. Clark, A Desai, T. Duman, D. Durden, E. Humphreys, S. Fares, I. Forbrich, J. Gamon, C. Gough, T. Griffis, D. Hollinger, M. Helbig, H. Ikawa, H. Iwata, Y. Ju, J. F. Knowles, S. Knox, H. Kobayashi, T. Kolb, B Law, X. Lee, M. Litvak, H. Liu, J. W. Munger, A Noormets, K. Novick, S. Oberbauer, W. Oechel, P. Oikawa, S. Papuga, E. Pendall, P. Prajapati, J. Prueger, W. L Quinton, A. D. Richardson, E. Russell, R. L. Scott, G. Starr, R. Staebler, P. Stoy, E. Stuart-Haëntjens, O. Sonnentag, R. Sullivan, A. Suyker, M. Ueyama, R. Vargas, J. D. Wood, and D. Zona (2020) Evaluation of footprint representativeness of eddy-covariance flux measurements across AmeriFlux sites. AmeriFlux Annual Meeting, 6-9, October, Berkeley, CA, USA.
Chu, H., X. Luo, Z. Ouyang, S. Chan, S. Dengel, S. C. Biraud, and M. Torn. (2019) Simple footprint approximation for better interpretation of the spatiotemporally dynamic eddy covariance flux data. AGU Fall Meeting 2019, 9-13 December, San Francisco, CA, USA. (oral presentation)
Chu, H., D. S. Christianson, Y.-W. Cheah, F. O’Brien, G. Pastorello, R. Hollowgrass, M. Humphreyand and D. Agarwal. (2019). AmeriFlux Data QA/QC. 2019 AmeriFlux Data-Tech Workshop. 28-30 October, Berkeley, CA, USA (oral presentation)
Chu, H., D. S. Christianson, Y.-W. Cheah, F. O’Brien, G. Pastorello, R. Hollowgrass, M. Humphreyand and D. Agarwal. (2019). AmeriFlux Data Preparation and Submission 101. 2019 AmeriFlux Data-Tech Workshop. 28-30 October, Berkeley, CA, USA (oral presentation)
Chu, H., S. Chan, S. C. Biraud, S. Dengel, D. Billesbach, C. Hanson, and D. D. Baldocchi. (2018) Network at a glance: Probing the turbulent statistics across AmeriFlux sites by using the roving Eddy Covariance system. AGU Fall Meeting 2018, 10-14 December, Washington, DC, USA. (poster)
Chu, H., S. Chan, S. C. Biraud, S. Dengel, D. Billesbach, C. Hanson, and D. D. Baldocchi. (2018) Network at a glance: Probing the turbulent statistics and spectral characteristics across AmeriFlux sites by using the roving Eddy Covariance system. 33rd Conference on Agricultural and Forest Meteorology, 14–18 May, Boise, ID, USA (oral presentation)
Chu, H., and D. D. Baldocchi. (2017). Aerodynamic roughness: A simple and alternative metric to detect the seasonality of canopy structure using flux-tower data. AGU Fall Meeting 2017, 11-15 December, New Orleans, LA, USA. (poster)
Chu, H., D. D. Baldocchi, and FLUXNET contributors (2017). Flux everywhere, all the time: What have we learned and what can be learned from FLUXNET. FLUXNET 2017 Workshop, 7-9 June, Berkeley, CA, USA. (keynote presentation)
Chu, H., D. D. Baldocchi, C. Poindexter, and M. Abraha (2017). Aerodynamic canopy height: A simple metric of canopy dynamics derived from AmeriFlux tower data. FLUXNET 2017 Workshop, 7-9 June, Berkeley, CA, USA. (poster)
Chu, H., D. D. Baldocchi, C. Poindexter, and M. Abraha (2017). Aerodynamic canopy height: A simple metric of canopy dynamics derived from AmeriFlux tower data. 2017 Joint NACP and AmeriFlux Principal Investigators Meeting, 27-30 March, North Bethesda, MD, USA. (poster)
Chu, H., D. D. Baldocchi, C. Poindexter, and M. Abraha (2016). Cross-site evaluation of methods for the estimation of aerodynamic roughness parameters from flux-tower data. AGU Fall Meeting 2016, 12-16 December, San Francisco, CA, USA. (poster)
Chu, H., C. Poindexter, G. Pastorello, C. Trotta, E. Canfora, D. Agarwal, and D. Papale (2016). Eyes on data: Secondary QA/QC in the AmeriFlux/FLUXNET data processing system. AmeriFlux Data and Tech Workshop, 21 September, Mountain Research Station, CO, USA. (oral presentation)
Chu, H., D. D. Baldocchi, C. Poindexter, and M. Abraha (2016). Cross-site evaluation of methods for the estimation of aerodynamic roughness parameters from flux-tower data. AmeriFlux PI Meeting, 21-23 September, Golden, CO, USA. (poster)
Chu, H., D. D. Baldocchi, C. Poindexter, and M. Abraha (2016). Cross-site evaluation of methods for the estimation of aerodynamic roughness parameters from flux-tower data. 32nd Conference on Agricultural and Forest Meteorology, 20-24 June, Salt Lake City, UT, USA. (oral presentation)
Chu, H., D. D. Baldocchi, R. John, and FLUXNET contributors (2015). Flux everywhere, all of the time: What can be learned from FLUXNET. AGU Fall Meeting 2015, 14-18 December, San Francisco, CA, USA. (oral presentation)
Chu, H., D. D. Baldocchi, and FLUXNET contributors (2015). Flux everywhere, all of the times: What have we learned and what can be learned from FLUXNET. FLUXNET Synthesis Workshop 2015, 14-16, July, Beijing, China. (invited presentation)
Chu, H., J. Chen, J. F. Gottgens, G. Sun., and C. Shao (2014). Contrasting the interannual variability of evapotranspiration in a temperate oak woodland, a freshwater marsh and a conventional cropland. 2014 Symposium on “Evapotranspiration: Challenges in Measurement and Modeling from Leaf to the Landscape Scale and Beyond”, 7-11 April, Raleigh, NC, USA. (oral presentation)
Chu, H., J. Chen, and J. F. Gottgens. (2013). Contribution of methane and lateral carbon fluxes in a temperate marsh carbon budget. 2013 ESA Meeting, 4-9 August, Minneapolis, MN, USA. (oral presentation)
Chu, H., J. Chen, and J. F. Gottgens. (2013). Contribution of methane and lateral carbon fluxes in a temperate marsh carbon budget. 4th Midwest Graduate Research Symposium, 20 April, Toledo, OH, USA. (oral presentation)
Chu, H., J. Chen, Z. Ouyang, M. Deal, R. John, and J. F. Gottgens. (2012). CO2 and H2O fluxes in different ecosystems altered uniquely by similar climatic extremes. AGU Fall Meeting 2012, 3-7 December, San Francisco, CA, USA. (poster)
Chu, H., S.-C. Chang, Y.-Z. Lin, and Y.-J. Hsia. (2010). How does canopy wetness shape evapotranspiration in a mountain cloud forest? 5th International Conference on Fog, Fog Collection and Dew, 25-30 July, Münster, Germany. (poster)
Chu, H., S.-C. Chang, Y.-Z. Lin, and Y.-J. Hsia. (2010). How does canopy wetness shape evapotranspiration in a mountain cloud forest? 2010 Western Pacific Geophysics Meeting, 22-25 June, Taipei, Taiwan. (oral presentation)
Chu, H., S.-C. Chang, Y.-Z. Lin, and Y.-J. Hsia. (2009). Wet canopy evapotranspiration in a mountain cloud forest. AisaFlux Workshop 2009, Integrating Cross-scale Ecosystem Knowledge: Bridges and Barriers, 27-29 October, Sapporo, Japan. (poster)
Chu, H., C.-W. Lai, C.-C. Wu, and Y.-J. Hsia. (2008). Does the fog matter? The seasonal and diurnal patterns of net ecosystem CO2 exchange in a subtropical montane cloud forest. AGU Fall Meeting 2008, 15-19 December. San Francisco, CA, USA. (poster)
Chu, H., C.-W. Lai, C.-C. Wu, J.-Y. Lin, and Y.-J. Hsia. (2008). The seasonal and diurnal patterns of net ecosystem CO2 exchange in a subtropical montane cloud forest. AisaFlux Workshop 2008, Re-Thinking Global Change Science: From Knowledge to Policy, 17-19 November, Seoul, Korea. (oral presentation)
Chu, H., N. Liang, C.-W. Lai, C.-C. Wu, and Y.-J. Hsia. (2008). A preliminary study of topographic effect on CO2 flux measurement at Chi-Lan Mountain site. AisaFlux Workshop 2008, Re-Thinking Global Change Science: From Knowledge to Policy, 17-19 November, Seoul, Korea. (poster)
Chu, H., C.-W. Lai, C.-C. Wu, and Y.-J. Hsia. (2007). A preliminary study of topographic effect on flux measurement at Chi-Lan Mountain site. AisaFlux Workshop 2007, 19-22 October, Taoyuan, Taiwan. (poster)
WORKSHOP / WEBINAR (Selected)
Chu, H., M. Torn and AmeriFlux Management Project (2024) AmeriFlux Management Project update. FLUXNET-CH4 V2.0 Data Processing Workshop, 21-23 October, Berkeley, CA, USA (oral presentation)
Chu, H., X. Luo, Z. Ouyang, P. Oikawa, T. Fenster, C. Rey-Sanchez, I. Dronova, A.C. Valach, AmeriFlux Management Project and Site Teams (2024) Bridge the link between flux towers and models to enable upscaling. AmeriFlux Workshop: Remote Sensing and Fluxes Upscaling for Real-world Impact, 9-10 July, Berkeley, CA, USA (oral presentation)
Chu, H., C. Sturtevant, D. Durden, J. Pyatt, and C. Florian (2023) NEON-AmeriFlux collaboration. NEON TIS Palooza workshop (webinar)
Chu, H. and AmeriFlux Management Project (2023) AmeriFlux in a Nutshell. FLUXNET-ECN 2023 Workshop FLUXNET ECN Workshop Day #3 - AMERICA/CARIBBEAN (webinar)
Chu, H. (2023) Flux Footprints: Bolts, Nuts and others. Flux Course 2023, 21 June, Niwot Ridge, CO, USA (lecture)
Chu, H., D.S. Christianson, D. Agarwal, Y.-W. Cheah, R. Hollowgrass (2023) Data life cycle and QA/QC. AmeriFlux data-tech workshop, 10-11 May, Berkeley, CA, USA (oral presentation)
Chu, H., P. Oikawa, T. Fenster, C. Rey-Sanchez, I. Dronova, A.C. Valach, D.D. Baldocchi, J. Verfaillie, S. Chan, S. Dengel, S. Biraud and M.S. Torn (2023) Evaluate a hierarchical modeling framework for decomposing fluxes at heterogeneous eddy covariance sites. California coastal wetland working group meeting, 6 May, Santa Cruz, CA, USA (oral presentation)
Chu, H., K. Suvočarev, H.J. Oldroyd, K.T. Paw U, S. Biraud, S. Chan, and T. Magney (2023) An Integrated Observatory for Redwood Forest Health. Jackson Demonstration State Forest Advisory Group Meeting, Fort Bragg, CA, USA (oral presentation)
Chu, H., and AmeriFlux Management Project (2022) AmeriFlux in a nutshell, and AmeriFlux Management Project. Flux Course 2022, 29 July, Niwot Ridge, CO, USA
Chu, H. (2022) Flux Footprints: Bolts, Nuts, and others. Flux Course 2022, 27 July, Niwot Ridge, CO, USA
Chu, H., D.S. Christianson, D. Agarwal, Y.-W. Cheah, R. Hollowgrass (2022) Data QA/QC: Self-review and automation. AmeriFlux data mini-workshop. 23-24 Feb, AMP QA/QC pipeline & AMP QA/QC pipeline - part 2 (webinar)
Chu, H., X. Luo, Z. Ouyang, P. Oikawa, and AmeriFlux collaborators (2021) Flux footprints vs model grids: lessons learned from the representativeness assessments across AmeriFlux sites. RUBISCO-AmeriFlux working group webinar, 10 November (webinar)
Chan S., S.C. Biraud, S. Dengel, and H. Chu (2021) Fieldwork safety planning. AmeriFlux Management Project webinar series, May 19, https://youtu.be/6Bb6wuQAN9A (webinar)
Christianson, D. and H. Chu (2021) Post-submission data life cycle: FP-In to BASE publishing. AmeriFlux Management Project webinar series, January 27, https://youtu.be/wS95r9JbbB0 (webinar)
Biraud, S.C., H. Chu, S. Chan, and S. Dengel (2021) The New Site Visit Lite. AmeriFlux Management Project webinar series, January 8, https://youtu.be/Sfid2Ksbwgs (webinar)
Pastorello, G., D. Christianson, H. Chu, and D. Papale (2020) Requirements for processing a site using ONEFlux. AmeriFlux Management Project webinar series, October 19, https://www.youtube.com/watch?v=JPJnfckAMtI (webinar)
Biraud, S.C., H. Chu, S. Chan, and S. Dengel (2020) Measurement Best Practices. AmeriFlux Management Project webinar series, September 25, https://www.youtube.com/watch?v=11LeEJCDhkU (webinar)
Chu, H., D. S. Christianson, Y.-W. Cheah, F. O’Brien, G. Pastorello, R. Hollowgrass, M. Humphreyand and D. Agarwal. (2019). AmeriFlux Data QA/QC. 2019 AmeriFlux Data-Tech Workshop. 28-30 October, Berkeley, CA, USA (oral presentation)
Chu, H., D. S. Christianson, Y.-W. Cheah, F. O’Brien, G. Pastorello, R. Hollowgrass, M. Humphreyand and D. Agarwal. (2019). AmeriFlux Data Preparation and Submission 101. 2019 AmeriFlux Data-Tech Workshop. 28-30 October, Berkeley, CA, USA (oral presentation)
Chu, H., D. S. Christianson, N. Beekwilder, S. Chan, Y.-W. Cheah, S. Dengel, F. O’Brien, G. Pastorello, M. Sandesh, M. S. Torn, and D. Agarwal. (2018). AmeriFlux BASE data product and pipeline. 2018 AmeriFlux Data-Tech Workshop. 22-23 October, Bloomington, IN, USA (oral presentation)
Chu, H., C. Poindexter, G. Pastorello, C. Trotta, E. Canfora, D. Agarwal, and D. Papale (2016). Eyes on data: Secondary QA/QC in the AmeriFlux/FLUXNET data processing system. AmeriFlux Data and Tech Workshop, 21 September, Mountain Research Station, CO, USA. (oral presentation)