Publications

(underlined indicates students and postdocs in my lab)

[42] Lee, S. C., H. Knox, I. McKendry, T. A. Black. 2022. Biogeochemical and biophysical responses to episodes of wildfire smoke from natural ecosystems in southwestern British Columbia, Canada. Atmospheric Chemistry and Physics, 2 (4), 2333-2349

[41] Zhang, Z., B. Poulter, S. H. Knox, A. Stavert, G. McNicol, E. Fluet-Chouinard, A. Feinberg, Y. Zhao, P. Bousquet, J. G. Canadell, A. Ganesan, G. Hugelius, G. Hurtt, R. B. Jackson, P. K. Patra, M. Saunois, L. Höglund-Isaksson, C. Huang, A. Chatterjee, X, Li. 2021. Anthropogenic emission is the main contributor to the rise of atmospheric methane during 1993–2017, National Science Review, https://doi.org/10.1093/nsr/nwab200

[40] Lee, S. C., T. A. Black, M. Nyberg, M. Merkens, Z. Nesic, D. Ng, S. H. Knox. 2021. Biophysical impacts of historical disturbances, restoration strategies, and vegetation types in a peatland ecosystem. Journal of Geophysical Research: Biogeosciences, 126, https://doi.org/10.1029/2021JG006532

[39] Miller, G. J., I. Dronova, P. Oikawa, H. Knox, L. Windham-Myers, J. Shahan, E. Stuart-Haëntjens. 2021. The potential of satellite remote sensing time series to uncover wetland phenology under unique challenges of tidal setting. Remote Sensing, 13 (18), 3589

[38] Irvin, J., S. Zhou, G. McNicol, F. Lu, V. Liu, E. Fluet-Chouinard, Z. Ouyang, H. Knox, A. Lucas-Moffat, C. Trotta, D. Papale, D. Vitale, I. Mammarella, P. Alekseychik, M. Aurela, A. Avati, D. Baldocchi, S. Bansal, G. Bohrer, […]R. B. Jackson. 2021. Gap-filling eddy covariance methane fluxes: Comparison of machine learning model predictions and uncertainties at FLUXNET-CH4 wetlands. Agriculture and Forest Meteorology 308309, 108528. https://doi.org/10.1016/J.AGRFORMET.2021.108528

[37] Knox, S. H., Bansal, G. McNicol, K. Schafer, C.Sturtevant, Ma. Ueyama, A. C. Valach, D. Baldocchi, K. Delwiche, A. R. Desai, E. Euskirchen, J. Liu, A. Lohila, A. Malhotra, L. Melling, W. Riley, B. R. K. Runkle, J. Turner, R. Vargas, Q. Zhu, T. Alto, E. Fluet-Chouinard, M. Goeckede, J. R. Melton, O. Sonnentag, T. Vesala, E. Ward, Z. Zhang, S. Feron, Z. Ouyang, P. Alekseychik, M. Aurela, G. Bohrer, D. I. Campbell, J. Chen, H. Chu, H. J. Dalmagro, J. P. Goodrich, P. Gottschalk, T. Hirano, H. Iwata, G. Jurasinski, M. Kang, F. Koebsch, Ivan Mammarella, M. B. Nilsson, K. Ono, M. Peichl, O. Peltola, Y. Ryu, T. Sachs, A. Sakabe, J. P. Sparks, E.-S. Tuittila, G. L. Vourlitis, G. Xhuan Wong, L. Windham-Myers, B. Poulter, R. B. Jackson. 2021. Identifying dominant environmental predictors of freshwater wetland methane fluxes across diurnal to seasonal time scales. Global Change Biology, https://doi.org/10.1111/gcb.15661

[36] Delwiche, K., H. Knox, A. Malhotra, E. Fluet-Chouinard, G. McNicol, S. Feron, Z. Ouyang, D. Papale, C. Trotta, E. Canfora, Y.-W. Cheah, D. Christianson, M. C. R. Alberto, P. Alekseychik, M. Aurela, D. Baldocchi, S. Bansal, D. P. Billesbach, G. Bohrer, […]R. B. Jackson. 2021. FLUXNET-CH4: A global, multi-ecosystem dataset and analysis of methane seasonality from freshwater wetlands. Earth System Science Data Discussions, 1–111

[35] Chang, K., W. J. Riley, H. Knox, R. B. Jackson, G. McNicol, B. Poulter, M.a Aurela, D. Baldocchi, S. Bansal, G. Bohrer, D. I. Campbell, A. Cescatti, H. Chu, K. B. Delwiche, A. Desai, E. Euskirchen, T. Friborg, M. Goeckede, M. Kang, T. Keenan, K. W. Krauss, A. Lohila, I. Mammarella, A. Miyata, M. B. Nilsson, A. Noormets, D. Papale, B. R. K. Runkle, Y. Ryu, T. Sachs, K. V. R. Schäfer, H. Peter Schmid, N. Shurpali, O. Sonnentag, A. C. I. Tang, M. S. Torn, C. Trotta, M. Ueyama, R. Vargas, T. Vesala, L. Windham-Myers, Z. Zhang, and D. Zona. 2021. Substantial hysteresis in emergent temperature sensitivity of global wetland CH4 emissions. Nature Communications, 122266, https://doi.org/10.1038/s41467-021-22452-1

[34] Dronova, I., S. Taddeo, K. S. Hemes, H. Knox, A. Valach, P. Y. Oikawa, K. Kasac, D. D. Baldocchi, 2021. Remotely sensed phenological heterogeneity of restored wetlands: linking vegetation structure and function. Agricultural and Forest Meteorology, 296, 108215, https://doi.org/10.1016/j.agrformet.2020.108215

[33] Fisher, J. B., T. F. Keenan, C. Buechner, G. Shirkey, J. F. Perez-Quezada, H. Knox, J. M. Frank, B. R. K. Runkle, G. Bohrer. 2021. Once Upon a Time, in AmeriFlux. Journal of Geophysical Research: Biogeosciences, 126, https://doi.org/10.1029/2020JG006148

[32] Chu, H., X. Luo, Z. Ouyang, W. S. Chan, S. Dengel, S. C. Biraud, M. S. Torn, S. Metzger, J. Kumar, M. A. Arain, T. J. Arkebauer, D. Baldocchi, C. Bernacchi, D. Billesbach, T. A. Black, P. D. Blanken, G. Bohrer, R. Bracho, S. Brown, […]Donatella Zona. 2021. Representativeness of Eddy-Covariance flux footprints for areas surrounding AmeriFlux sites. Agricultural and Forest Meteorology, 301–302, 108350. https://doi.org/10.1016/j.agrformet.2021.108350

[31] Bogard, M. J., B. A. Bergamaschi, D. E. Butman, F. Anderson, H. Knox, L. Windham‐Myers. 2020. Hydrologic Export Is a Major Component of Coastal Wetland Carbon Budgets. Global Biogeochemical Cycles, 34(8), e2019GB006430. https://doi.org/10.1029/2019GB006430

[30] Pastorello, G., C. Trotta, E. Canfora, H. Chu, D. Christianson, Y.-W. Cheah, C. Poindexter, J. Chen, A. Elbashandy, M. Humphrey, P. Isaac, D. Polidori, A. Ribeca, C. van Ingen, L. Zhang, B. Amiro, C. Ammann, M A. Arain, J. Ardö, […] Yingnian Li. 2020. The FLUXNET2015 dataset and the ONEFlux processing pipeline for eddy covariance data. Scientific Data, 7(225), https://doi.org/10.1038/s41597-020-0534-3

[29] Feagin, R.A., I. Forbrich, T. P. Huff, J. G. Barr, J. Ruiz-Plancarte, J. D. Fuentes, R. G. Najjar, R. Vargas, A. L.Vázquez-Lule, L. Windham-Myers, K. D. Kroeger, E. J. Ward, G. W. Moore, M. Leclerc, K. W. Krauss, C. L. Stagg, M. Alber, S. H. Knox, K. V. R. Schäfer, T. S. Bianchi, J. A. Hutchings, H. Nahrawi, A. Noormets, B. Mitra, A. Jaimes, A. L. Hinson, B. Bergamaschi, J. S. King. 2020. Tidal Wetland Gross Primary Production Across the Continental United States, 2000–2019. Global Biogeochemical Cycles, https://doi.org/10.1029/2019GB006349

[28] Knox S. H., R. Jackson, B. Poulter, G. McNicol, E. Fluet-Chouinard, Z. Zhang, G. Hugelius, P. Bousquet, J. Canadell J, M. Saunois, D. Papale, H. Chu, T. Keenan, D. Baldocchi, I. Mammarella, M. Aurela, G. Bohrer, D. Campbell, A. Cescatti, S. Chamberlain, J. Chen, S. Dengel, A. Desai, E. Euskirchen, T. Friborg, M. Goeckede, M. Heimann, M. Helbig, M. Kang, J. Klatt, K. Krauss, L. Kutzbach, A. Lohila, B. Mitra, T. Morin, M. Nilsson, S. Niu, A. Noormets, W. Oechel, M. Peichl, O. Peltola, M. Reba, B. Runkle, Y. Ryu, T. Sachs, K. Schäfer, N. Shurpali, O. Sonnentag, A. Tang, T. Vesala, E. Ward, L. Windham-Myers, D. Zona. 2019. FLUXNET-CH4 Synthesis Activity: Objectives, Observations, and Future Directions. Bulletin of the American Meteorological Society,  https://doi.org/10.1175/BAMS-D-18-0268.1.

[27] Peltola, O., T. Vesala, Y. Gao, O. Räty, P. Alekseychik, M. Aurela, B. Chojnicki, A. Desai, A. Dolman, E. Euskirchen, T. Friborg, M. Göckede, M. Helbig, E. Humphreys, R. B. Jackson, G. Jocher, F Joos, J. Klatt, S. H. Knox, L. Kutzbach, S. Lienert, A. Lohila, I. Mammarella, D. F. Nadeau, M. B. Nilsson, W. C. Oechel, M. Peichl, T. Pypker, W. Quinton, J. Rinne, T. Sachs, M. Samson, H. P. Schmid, O. Sonnentag, C. Wille, D. Zona, T. Aalto. 2019. Monthly Gridded Data Product of Northern Wetland Methane Emissions Based on Upscaling Eddy Covariance Observations. Earth System Science Data Discussions. https://doi.org/10.5194/essd-2019-28.

[26] Kim, Y., M. Johnson, S. H. Knox, Black, T. A., H. Dalmago, M. Kang, J. Kim, D. D. Baldocchi. 2019. Gap-filling approaches for eddy covariance methane fluxes: a comparison of three machine learning algorithms and a traditional method with principal component analysis. Global Change Biology, https://doi.org/10.1111/gcb.14845.

[25] McNicol, G., B. W. LaFranchi, S. H. Knox, T. P. Guilderson, D. D. Baldocchi, W. L. Silver. 2019. Where old meets new: Dual isotope analysis reveals the provenance of methanogenesis and patterns of methanotrophy in a reflooded agricultural peatland. Global Change Biology, https://doi.org/10.1111/gcb.14916.

[24] Knox, S. H., L. Windham-Myers, F. E. Anderson, C. Sturtevant, B. Bergamaschi. 2018. Direct and indirect effects of tides on ecosystem-scale CO2 exchange in a brackish tidal marsh in Northern California. Journal of Geophysical Research: Biogeosciences, 123: 787-806.

[23] Windham-Myers, L., W.-J. Cai, S. R. Alin, A. Andersson, J. Crosswell, K. H. Dunton, J. M. Hernandez-Ayon, M. Herrmann, A. L. Hinson, C. S. Hopkinson, J. Howard, X. Hu, S. H. Knox, K. Kroeger, D. Lagomasino, P. Megonigal, R. G. Najjar, M.-L. Paulsen, D. Peteet, E. Pidgeon, K. V. R. Schäfer, M. Tzortziou, Z. A. Wang, and E. B. Watson. 2018. Chapter 15: Tidal wetlands and estuaries. In Second State of the Carbon Cycle Report (SOCCR2): A Sustained Assessment Report [Cavallaro, N., G. Shrestha, R. Birdsey, M. A. Mayes, R. G. Najjar, S. C. Reed, P. Romero-Lankao, and Z. Zhu (eds.)]. U.S. Global Change Research Program, Washington, DC, USA, pp. 596-648, https://doi.org/10.7930/SOCCR2.2018.Ch15.

[22] Windham-Myers, L., B. Bergamaschi, F. Anderson, S. H. Knox, R. Miller, R. Fujii. 2018. Potential for negative emissions of greenhouse gases (CO2, CH4 and N2O) through coastal peatland re-establishment: Novel insights from high frequency flux data at meter and kilometer scales. Environmental Research Letters, 13: 045005.

[21] Eichelmann, E., K. S. Hemes, S. H. Knox, P. Y. Oikawa, S. D. Chamberlain, C. Sturtevant, J. Verfaillie, D. D. Baldocchi. 2018. The Effect of land cover type and structure on evapotranspiration from agricultural and wetland sites in the Sacramento-San Joaquin River Delta, California. Agriculture and Forest Meteorology, 256-257: 179-195.

[20] Hemes, K., S. Chamberlain, E. Eichelmann, S. H. Knox, D. D. Baldocchi. 2018. A Biogeochemical Compromise: The High Methane Cost of Sequestering Carbon in Restored Wetlands, Geophysical Research Letters, 45: 6081-6091.

[19] Hemes, K., S. Chamberlain, E. Eichelmann, S. H. Knox, D. D. Baldocchi. 2018. A Biogeochemical Compromise: The High Methane Cost of Sequestering Carbon in Restored Wetlands, Geophysical Research Letters, 45: 6081-6091.

[18] Deventer, M. J., Y. Jiao, R. C. Rhew, A. Turnipseed, S. H. Knox, J. Lewis, F. Anderson, B. Miller. 2018. Ecosystem scale flux measurements of methyl halide emissions from a coastal salt marsh invaded with Perennial Pepperweed Journal of Geophysical Research: Biogeosciences, 123: 2104-2120.

[17] Holmquist J., L. Windham-Myers, B. Bernal, K. Byrd, S. Crooks, M. Gonneea, N. Herold, S. H. Knox, K. Kroeger, J. McCombs, P. Megonigal, L. Meng, J. Morris, A. Sutton-Grier, T. Troxler, D. Weller (2018). Uncertainty in United States coastal wetland greenhouse gas inventorying. Environmental Research Letters, 13: 115005.

[16] Knox, S. H., I. Dronova, C. Sturtevant, P. Y. Oikawa, J. H. Matthes, J. Verfaillie, and D. D. Baldocchi. 2017. Using digital camera and Landsat imagery with eddy covariance data to model gross primary production in restored wetlands. Agricultural and Forest Meteorology 237:233-245.

[15] McNicol G, Sturtevant C, Knox S, Dronova I, Baldocchi D, Silver W. (2017). Effects of seasonality, transport pathway, and spatial structure on greenhouse gas fluxes in a restored wetland. Global Change Biology. 23(7): 2768-2782.

[14] Oikawa, P. Y., G. D. Jenerette, S. H. Knox, C. Sturtevant, J. Verfaillie, I. Dronova, C. M. Poindexter, E. Eichelmann, and D. D. Baldocchi. 2017a. Evaluation of a hierarchy of models reveals importance of substrate limitation for predicting carbon dioxide and methane exchange in restored wetlands. Journal of Geophysical Research: Biogeosciences 122:145-167.

[13] Oikawa, P. Y., C. Sturtevant, S. H. Knox, J. Verfaillie, Y. W. Huang, and D. D. Baldocchi. 2017b. Revisiting the partitioning of net ecosystem exchange of CO2 into photosynthesis and respiration with simultaneous flux measurements of 13CO2 and CO2, soil respiration and a biophysical model, CANVEG. Agricultural and Forest Meteorology 234–235:149-163.

[12] Xin, F., X. M. Xiao, B. I. N. Zhao, A. Miyata, D. Baldocchi, S. H. Knox, K. Shim, B. Chen, X. Li, J. Wang, J. Dong, and C. Biradar. 2017. Modeling gross primary production of paddy rice cropland through analyses of data from CO2 eddy flux tower sites and MODIS images. Remote Sensing of Environment 190:42-55.

[11] Poindexter, C. M., D. D. Baldocchi, J. H. Matthes, S. H. Knox, and E. A. Variano. 2016. The contribution of an overlooked transport process to a wetland’s methane emissions. Geophysical Research Letters 43:6276-6284.

[10] Baldocchi, D., S. H. Knox, I. Dronova, J. Verfaillie, P. Oikawa, C. Sturtevant, J. H. Matthes, and M. Detto. 2016. The impact of expanding flooded land area on the annual evaporation of rice. Agricultural and Forest Meteorology 223:181-193.

[9] Knox, S. H., J. H. Matthes, C. Sturtevant, P. Y. Oikawa, J. Verfaillie, and D. Baldocchi. 2016. Biophysical controls on interannual variability in ecosystem-scale CO2 and CH4 exchange in a California rice paddy. Journal of Geophysical Research: Biogeosciences 121:978-1001.

[8] Anderson, F. E., B. Bergamaschi, C. Sturtevant, S. H. Knox, L. Hastings, L. Windham-Myers, M. Detto, E. L. Hestir, J. Drexler, R. L. Miller, J. H. Matthes, J. Verfaillie, D. Baldocchi, R. L. Snyder, and R. Fujii. 2016. Variation of energy and carbon fluxes from a restored temperate freshwater wetland and implications for carbon market verification protocols. Journal of Geophysical Research: Biogeosciences 121:777–795.

[7] Sturtevant, C., B. L. Ruddell, S. H. Knox, J. Verfaillie, J. H. Matthes, P. Y. Oikawa, and D. Baldocchi. 2016. Identifying scale-emergent, nonlinear, asynchronous processes of wetland methane exchange. Journal of Geophysical Research: Biogeosciences 121:188–204.

[6] Matthes, J. H., S. H. Knox, C. Sturtevant, O. Sonnentag, J. Verfaillie, and D. Baldocchi. 2015. Predicting landscape-scale CO2 flux at a pasture and rice paddy with long-term hyperspectral canopy reflectance measurements. Biogeosciences 12:4577-4594.

[5] Knox, S. H., C. Sturtevant, J. H. Matthes, L. Koteen, J. Verfaillie, and D. Baldocchi. 2015. Agricultural peatland restoration: effects of land-use change on greenhouse gas (CO2 and CH4) fluxes in the Sacramento-San Joaquin Delta. Global Change Biology 21:750–765.

[4] Baraer, M., J. McKenzie, B. Mark, R. Gordon, J. Bury, T. Condom, J. Gomez, S. H. Knox, and S. Fortner. 2014. Contribution of groundwater to the outflow from ungauged glacierized catchments: a multi-site study in the tropical Cordillera Blanca, Peru. Hydrological Processes 29:2561-2581.

[3] Matthes, J. H., C. Sturtevant, J. Verfaillie, S. H. Knox, and D. Baldocchi. 2014. Parsing the variability in CH4 flux at a spatially heterogeneous wetland: Integrating multiple eddy covariance towers with high-resolution flux footprint analysis. Journal of Geophysical Research: Biogeosciences 119:2014JG002642.

[2] Knox, S. H., S. K. Carey, and E. R. Humphreys. 2012. Snow surface energy exchanges and snowmelt in a shrub-covered bog in eastern Ontario, Canada. Hydrological Processes 26:1876-1890.

[1] Baraer, M., J. M. McKenzie, B. G. Mark, J. Bury, and S. H. Knox. 2009. Characterizing contributions of glacier melt and groundwater during the dry season in a poorly gauged catchment of the Cordillera Blanca (Peru). Advances in Geosciences 22:41-49.