Carbon dioxide fluxes increase from day to night across European streams

被引：45

作者：

Attermeyer, Katrin ^{[1
,2
,3
]}

Casas-Ruiz, Joan Pere ^{[4
,5
]}

Fuss, Thomas ^{[6
]}

Pastor, Ada ^{[4
,5
,34
]}

Cauvy-Fraunie, Sophie ^{[7
]}

Sheath, Danny ^{[8
,35
]}

Nydahl, Anna C. ^{[1
]}

Doretto, Alberto ^{[9
,10
]}

Portela, Ana Paula ^{[11
,12
]}

Doyle, Brian C. ^{[13
]}

Simov, Nikolay ^{[14
]}

Roberts, Catherine Gutmann ^{[8
]}

Niedrist, Georg H. ^{[15
]}

Timoner, Xisca ^{[4
,5
]}

Evtimova, Vesela ^{[16
]}

Barral-Fraga, Laura ^{[5
]}

Basic, Tea ^{[8
,36
]}

Audet, Joachim ^{[17
,37
]}

Deininger, Anne ^{[18
,38
]}

Busst, Georgina ^{[8
]}

Fenoglio, Stefano ^{[10
,19
]}

Catalan, Nuria ^{[4
,5
,39
,40
]}

de Eyto, Elvira ^{[20
]}

Pilotto, Francesca ^{[18
,41
]}

Mor, Jordi-Rene ^{[4
,21
]}

Monteiro, Juliana

Fletcher, David ^{[8
]}

Noss, Christian ^{[23
]}

Colls, Miriam ^{[4
,5
]}

Nagler, Magdalena ^{[24
]}

Liu, Liu ^{[23
,25
]}

Gonzalez-Quijano, Clara Romero ^{[26
]}

Romero, Ferran ^{[4
,5
]}

Pansch, Nina ^{[25
]}

Ledesma, Jose L. J. ^{[17
,27
,28
]}

Pegg, Josephine ^{[8
,29
]}

Klaus, Marcus ^{[18
,42
]}

Freixa, Anna ^{[4
,5
]}

Ortega, Sonia Herrero ^{[25
]}

Mendoza-Lera, Clara ^{[7
,23
]}

Bednarik, Adam ^{[30
,43
]}

Fonvielle, Jeremy A. ^{[25
]}

Gilbert, Peter J. ^{[31
]}

Kenderov, Lyubomir A. ^{[32
]}

Rulik, Martin ^{[30
]}

Bodmer, Pascal ^{[22
,23
,33
,44
]}

机构：

[1] Uppsala Univ, Dept Ecol & Genet, Limnol, Uppsala, Sweden

[2] WasserCluster Lunz Biol Stn, Lunz Am See, Austria

[3] Univ Vienna, Dept Funct & Evolutionary Ecol, Vienna, Austria

[4] Catalan Inst Water Res ICRA, Girona, Spain

[5] Univ Girona UdG, Girona, Spain

[6] Univ Innsbruck, Dept Ecol, Fluvial Ecosyst Ecol, Innsbruck, Austria

[7] Ctr Lyon Villeurbanne, UR Riverly, INRAE, Villeurbanne, France

[8] Bournemouth Univ, Dept Life & Environm Sci, Poole, Dorset, England

[9] Univ Piemonte Orientale, Dept Sci & Technol Innovat, Alessandria, Italy

[10] ALPSTREAM Alpine Stream Res Ctr, Ostana, Italy

[11] Univ Porto, Res Ctr Biodivers & Genet Resources CIBIO InBIO, Vila Do Conde, Portugal

[12] Univ Porto, Fac Sci, Porto, Portugal

[13] Dundalk Inst Technol, Ctr Freshwater & Environm Studies, Dundalk, Co Louth, Ireland

[14] Bulgarian Acad Sci, Natl Museum Nat Hist, Sofia, Bulgaria

[15] Univ Innsbruck, Dept Ecol River & Conservat Res, Innsbruck, Austria

[16] Bulgarian Acad Sci, Inst Biodivers & Ecosyst Res, Dept Aquat Ecosyst, Sofia, Bulgaria

[17] Swedish Univ Agr Sci, Dept Aquat Sci & Assessment, Uppsala, Sweden

[18] Umea Univ, Dept Ecol & Environm Sci, Umea, Sweden

[19] Univ Turin, Dept Life Sci & Syst Biol, Turin, Italy

[20] Marine Inst, Furnace, Newport, Co Mayo, Ireland

[21] Univ Barcelona UB, Fac Biol, Dept Evolutionary Biol Ecol & Environm Sci, Barcelona, Spain

[22] Univ Lisbon, Fac Ciencias, Ctr Ecol Evolut & Environm Changes cE3c, Lisbon, Portugal

[23] Univ Koblenz Landau, Inst Environm Sci, Landau, Germany

[24] Univ Innsbruck, Inst Microbiol, Innsbruck, Austria

[25] Leibniz Inst Freshwater Ecol & Inland Fisheries I, Expt Limnol, Stechlin, Germany

[26] Leibniz Inst Freshwater Ecol & Inland Fisheries I, Ecohydrol, Berlin, Germany

[27] Spanish Natl Res Council, Ctr Adv Studies Blanes, Blanes, Spain

[28] Karlsruhe Inst Technol, Inst Geog & Geoecol, Karlsruhe, Germany

[29] South African Inst Aquat Biodivers, Makhanda, South Africa

[30] PalackV Univ Olomouc, Dept Ecol & Environm Sci, Olomouc, Czech Republic

[31] Univ Highlands & Isl UHI, Environm Res Inst, Thurso, Scotland

[32] Sofia Univ St Kliment Ohridski, Dept Gen & Appl Hydrobiol, Sofia, Bulgaria

[33] Leibniz Inst Freshwater Ecol & Inland Fisheries, Chem Analyt & Biogeochem, Berlin, Germany

[34] Aarhus Univ, Dept Biol, Aarhus C, Denmark

[35] Univ Geneva, Fac Med, Inst Global Hlth, Campus Biotech, Geneva, Switzerland

[36] Ctr Environm Fisheries & Aquaculture Sci Cefas, Lowestoft, Suffolk, England

[37] Aarhus Univ, Dept Biosci, Silkeborg, Denmark

[38] Norwegian Inst Water Res, Oslo, Norway

[39] UVSQ, CEA, CNRS, Lab Sci Climat & Environm LSCE, Gif Sur Yvette, France

[40] US Geol Survey, Boulder, CO USA

[41] Umea Univ, Dept Hist Philosoph & Religious Studies, Environm Archaeol Lab, Umea, Sweden

[42] Swedish Univ Agr Sci, Dept Forest Ecol & Management, Umea, Sweden

[43] Czech Acad Sci, Global Change Res Inst, Brno, Czech Republic

[44] Univ Quebec Montreal, Grp Rech Interuniv Limnol, Dept Sci Biol, Montreal, PQ, Canada

来源：

COMMUNICATIONS EARTH & ENVIRONMENT | 2021年 / 2卷 / 01期

基金：

欧盟地平线“2020”;

关键词：

DISSOLVED ORGANIC-MATTER; ECOSYSTEM METABOLISM; DIURNAL-VARIATION; 1ST-ORDER STREAM; CO2; EMISSIONS; GAS-EXCHANGE; WATER-AIR; PCO(2); DYNAMICS; EVASION;

D O I：

10.1038/s43247-021-00192-w

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Globally, inland waters emit over 2 Pg of carbon per year as carbon dioxide, of which the majority originates from streams and rivers. Despite the global significance of fluvial carbon dioxide emissions, little is known about their diel dynamics. Here we present a large-scale assessment of day- and night-time carbon dioxide fluxes at the water-air interface across 34 European streams. We directly measured fluxes four times between October 2016 and July 2017 using drifting chambers. Median fluxes are 1.4 and 2.1mmolm(-2) h(-1) at midday and midnight, respectively, with night fluxes exceeding those during the day by 39%. We attribute diel carbon dioxide flux variability mainly to changes in the water partial pressure of carbon dioxide. However, no consistent drivers could be identified across sites. Our findings highlight widespread day-night changes in fluvial carbon dioxide fluxes and suggest that the time of day greatly influences measured carbon dioxide fluxes across European streams. Diel patterns can greatly impact total stream carbon dioxide emissions, with 39% greater carbon dioxide flux during the night-time relative to the day-time, according to a study of 34 streams across Europe.

引用

页数：8

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