Authors
Kyle B Delwiche, Sara Helen Knox, Avni Malhotra, Etienne Fluet-Chouinard, Gavin McNicol, Sarah Feron, Zutao Ouyang, Dario Papale, Carlo Trotta, Eleonora Canfora, You-Wei Cheah, Danielle Christianson, M Carmelita R Alberto, Pavel Alekseychik, Mika Aurela, Dennis Baldocchi, Sheel Bansal, David P Billesbach, Gil Bohrer, Rosvel Bracho, Nina Buchmann, David I Campbell, Gerardo Celis, Jiquan Chen, Weinan Chen, Housen Chu, Higo J Dalmagro, Sigrid Dengel, Ankur R Desai, Matteo Detto, Han Dolman, Elke Eichelmann, Eugenie Euskirchen, Daniela Famulari, Thomas Friborg, Kathrin Fuchs, Mathias Goeckede, Sébastien Gogo, Mangaliso J Gondwe, Jordan P Goodrich, Pia Gottschalk, Scott L Graham, Martin Heimann, Manuel Helbig, Carole Helfter, Kyle S Hemes, Takashi Hirano, David Hollinger, Lukas Hörtnagl, Hiroki Iwata, Adrien Jacotot, Joachim Jansen, Gerald Jurasinski, Minseok Kang, Kuno Kasak, John King, Janina Klatt, Franziska Koebsch, Ken W Krauss, Derrick YF Lai, Ivan Mammarella, Giovanni Manca, Luca Belelli Marchesini, Jaclyn Hatala Matthes, Trofim Maximon, Lutz Merbold, Bhaskar Mitra, Timothy H Morin, Eiko Nemitz, Mats B Nilsson, Shuli Niu, Walter C Oechel, Patricia Y Oikawa, Keisuke Ono, Matthias Peichl, Olli Peltola, Michele L Reba, Andrew D Richardson, William Riley, Benjamin RK Runkle, Youngryel Ryu, Torsten Sachs, Ayaka Sakabe, Camilo Rey Sanchez, Edward A Schuur, Karina VR Schäfer, Oliver Sonnentag, Jed P Sparks, Ellen Stuart-Haëntjens, Cove Sturtevant, Ryan C Sullivan, Daphne J Szutu, Jonathan E Thom, Margaret S Torn, Eeva-Stiina Tuittila, Jessica Turner, Masahito Ueyama, Alex C Valach, Rodrigo Vargas, Andrej Varlagin, Alma Vazquez-Lule, Joseph G Verfaillie, Timo Vesala, George L Vourlitis, Eric J Ward, Christian Wille, Georg Wohlfahrt, Guan Xhuan Wong, Zhen Zhang, Donatella Zona, Lisamarie Windham-Myers, Benjamin Poulter, Robert B Jackson
Publication date
2021/1/18
Journal
Earth System Science Data Discussions
Volume
2021
Pages
1-111
Description
Methane (CH4) emissions from natural landscapes constitute roughly half of global CH4 contributions to the atmosphere, yet large uncertainties remain in the absolute magnitude and the seasonality of emission quantities and drivers. Eddy covariance (EC) measurements of CH4 flux are ideal for constraining ecosystem-scale CH4 emissions, including their seasonality, due to quasi-continuous and high temporal resolution of flux measurements, coincident measurements of carbon, water, and energy fluxes, lack of ecosystem disturbance, and increased availability of datasets over the last decade. Here, we 1) describe the newly published dataset, FLUXNET-CH4 Version 1.0, the first global dataset of CH4 EC measurements (available at https://fluxnet.org/data/fluxnet-ch4- community-product/). FLUXNET-CH4 includes half-hourly and daily gap-filled and non gap-filled aggregated CH4 fluxes and meteorological data from 79 sites globally: 42 freshwater wetlands, 6 brackish and saline wetlands, 7 formerly drained ecosystems, 7 rice paddy sites, 2 lakes, and 15 uplands. Then, we 2) evaluate FLUXNET-CH4 representativeness for freshwater wetland coverage globally, because the majority of sites in FLUXNET-CH4 Version 1.0 are freshwater wetlands and because freshwater wetlands are a substantial source of total atmospheric CH4 emissions; and 3) provide the first global estimates of the seasonal variability and seasonality predictors of freshwater wetland CH4 fluxes. Our representativeness analysis suggests that the freshwater wetland sites in the dataset cover global wetland bioclimatic attributes …
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Scholar articles
KB Delwiche, SH Knox, A Malhotra, E Fluet-Chouinard… - Earth System Science Data Discussions, 2021