FLUXNET-CH4 Synthesis Activity: Objectives, Observations, and Future Directions

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Fältnamn	Indikatorer	Metadata
000		05369naa a2201057 4500
001		oai:DiVA.org:su-178700
003		SwePub
008		200207s2019 \| \|\|\|\|\|\|\|\|\|\|\|000 \|\|eng\|
024	7	a https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-1787002 URI
024	7	a https://doi.org/10.1175/BAMS-D-18-0268.12 DOI
040		a (SwePub)su
041		a engb eng
042		9 SwePub
072	7	a ref2 swepub-contenttype
072	7	a art2 swepub-publicationtype
100	1	a Knox, Sara H.4 aut
245	1 0	a FLUXNET-CH4 Synthesis Activity :b Objectives, Observations, and Future Directions
264	1	c 2019
338		a print2 rdacarrier
520		a This paper describes the formation of, and initial results for, a new FLUXNET coordination network for ecosystem-scale methane (CH4) measurements at 60 sites globally, organized by the Global Carbon Project in partnership with other initiatives and regional flux tower networks. The objectives of the effort are presented along with an overview of the coverage of eddy covariance (EC) CH4 flux measurements globally, initial results comparing CH4 fluxes across the sites, and future research directions and needs. Annual estimates of net CH4 fluxes across sites ranged from -0.2 +/- 0.02 g C m(-2) yr(-1) for an upland forest site to 114.9 +/- 13.4 g C m(-2) yr(-1) for an estuarine freshwater marsh, with fluxes exceeding 40 g C m(-2) yr(-1) at multiple sites. Average annual soil and air temperatures were found to be the strongest predictor of annual CH4 flux across wetland sites globally. Water table position was positively correlated with annual CH4 emissions, although only for wetland sites that were not consistently inundated throughout the year. The ratio of annual CH4 fluxes to ecosystem respiration increased significantly with mean site temperature. Uncertainties in annual CH4 estimates due to gap-filling and random errors were on average +/- 1.6 g C m(-2) yr(-1) at 95% confidence, with the relative error decreasing exponentially with increasing flux magnitude across sites. Through the analysis and synthesis of a growing EC CH4 flux database, the controls on ecosystem CH4 fluxes can be better understood, used to inform and validate Earth system models, and reconcile differences between land surface model- and atmospheric-based estimates of CH4 emissions.
650	7	a NATURVETENSKAPx Geovetenskap och miljövetenskap0 (SwePub)1052 hsv//swe
650	7	a NATURAL SCIENCESx Earth and Related Environmental Sciences0 (SwePub)1052 hsv//eng
700	1	a Jackson, Robert B.4 aut
700	1	a Poulter, Benjamin4 aut
700	1	a McNicol, Gavin4 aut
700	1	a Fluet-Chouinard, Etienne4 aut
700	1	a Zhang, Zhen4 aut
700	1	a Hugelius, Gustafu Stockholms universitet,Institutionen för naturgeografi4 aut0 (Swepub:su)chuge
700	1	a Bousquet, Philippe4 aut
700	1	a Canadell, Josep G.4 aut
700	1	a Saunois, Marielle4 aut
700	1	a Papale, Dario4 aut
700	1	a Chu, Housen4 aut
700	1	a Keenan, Trevor F.4 aut
700	1	a Baldocchi, Dennis4 aut
700	1	a Torn, Margaret S.4 aut
700	1	a Mammarella, Ivan4 aut
700	1	a Trotta, Carlo4 aut
700	1	a Aurela, Mika4 aut
700	1	a Bohrer, Gil4 aut
700	1	a Campbell, David4 aut
700	1	a Cescatti, Alessandro4 aut
700	1	a Chamberlain, Samuel4 aut
700	1	a Chen, Jiquan4 aut
700	1	a Chen, Weinan4 aut
700	1	a Dengel, Sigrid4 aut
700	1	a Desai, Ankur R.4 aut
700	1	a Euskirchen, Eugenie4 aut
700	1	a Friborg, Thomas4 aut
700	1	a Gasbarra, Daniele4 aut
700	1	a Goded, Ignacio4 aut
700	1	a Goeckede, Mathias4 aut
700	1	a Heimann, Martin4 aut
700	1	a Helbig, Manuel4 aut
700	1	a Hirano, Takashi4 aut
700	1	a Hollinger, David Y.4 aut
700	1	a Iwata, Hiroki4 aut
700	1	a Kang, Minseok4 aut
700	1	a Klatt, Janina4 aut
700	1	a Krauss, Ken W.4 aut
700	1	a Kutzbach, Lars4 aut
700	1	a Lohila, Annalea4 aut
700	1	a Mitra, Bhaskar4 aut
700	1	a Morin, Timothy H.4 aut
700	1	a Nilsson, Mats B.4 aut
700	1	a Niu, Shuli4 aut
700	1	a Noormets, Asko4 aut
700	1	a Oechel, Walter C.4 aut
700	1	a Peichl, Matthias4 aut
700	1	a Peltola, Olli4 aut
700	1	a Reba, Michele L.4 aut
700	1	a Richardson, Andrew D.4 aut
700	1	a Runkle, Benjamin R. K.4 aut
700	1	a Ryu, Youngryel4 aut
700	1	a Sachs, Torsten4 aut
700	1	a Schaefer, Karina V. R.4 aut
700	1	a Schmid, Hans Peter4 aut
700	1	a Shurpali, Narasinha4 aut
700	1	a Sonnentag, Oliver4 aut
700	1	a Tang, Angela C.4 aut
700	1	a Ueyama, Masahito4 aut
700	1	a Vargas, Rodrigo4 aut
700	1	a Vesala, Timo4 aut
700	1	a Ward, Eric J.4 aut
700	1	a Windham-Myers, Lisamarie4 aut
700	1	a Wohlfahrt, Georg4 aut
700	1	a Zona, Donatella4 aut
710	2	a Stockholms universitetb Institutionen för naturgeografi4 org
773	0	t Bulletin of The American Meteorological Society - (BAMS)g 100:12, s. 2607-2632q 100:12<2607-2632x 0003-0007x 1520-0477
856	4 8	u https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-178700
856	4 8	u https://doi.org/10.1175/BAMS-D-18-0268.1

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Av författaren/redakt...: Knox, Sara H.; Jackson, Robert ...; Poulter, Benjami ...; McNicol, Gavin; Fluet-Chouinard, ...; Zhang, Zhen; visa fler...; Hugelius, Gustaf; Bousquet, Philip ...; Canadell, Josep ...; Saunois, Mariell ...; Papale, Dario; Chu, Housen; Keenan, Trevor F ...; Baldocchi, Denni ...; Torn, Margaret S ...; Mammarella, Ivan; Trotta, Carlo; Aurela, Mika; Bohrer, Gil; Campbell, David; Cescatti, Alessa ...; Chamberlain, Sam ...; Chen, Jiquan; Chen, Weinan; Dengel, Sigrid; Desai, Ankur R.; Euskirchen, Euge ...; Friborg, Thomas; Gasbarra, Daniel ...; Goded, Ignacio; Goeckede, Mathia ...; Heimann, Martin; Helbig, Manuel; Hirano, Takashi; Hollinger, David ...; Iwata, Hiroki; Kang, Minseok; Klatt, Janina; Krauss, Ken W.; Kutzbach, Lars; Lohila, Annalea; Mitra, Bhaskar; Morin, Timothy H ...; Nilsson, Mats B.; Niu, Shuli; Noormets, Asko; Oechel, Walter C ...; Peichl, Matthias; Peltola, Olli; Reba, Michele L.; Richardson, Andr ...; Runkle, Benjamin ...; Ryu, Youngryel; Sachs, Torsten; Schaefer, Karina ...; Schmid, Hans Pet ...; Shurpali, Narasi ...; Sonnentag, Olive ...; Tang, Angela C.; Ueyama, Masahito; Vargas, Rodrigo; Vesala, Timo; Ward, Eric J.; Windham-Myers, L ...; Wohlfahrt, Georg; Zona, Donatella; visa färre...

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