Sediment Respiration Pulses in Intermittent Rivers and Ephemeral Streams

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MARC

von Schiller, D. (author)

Sediment Respiration Pulses in Intermittent Rivers and Ephemeral Streams

Article/chapterEnglish2019

Publisher, publication year, extent ...

American Geophysical Union (AGU),2019
printrdacarrier

Numbers

LIBRIS-ID:oai:DiVA.org:umu-166492
https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-166492URI
https://doi.org/10.1029/2019GB006276DOI

Supplementary language notes

Language:English
Summary in:English

Part of subdatabase

SwePubSwePub

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Subject category:ref swepub-contenttype
Subject category:art swepub-publicationtype

Notes

Intermittent rivers and ephemeral streams (IRES) may represent over half the global stream network, but their contribution to respiration and carbon dioxide (CO2) emissions is largely undetermined. In particular, little is known about the variability and drivers of respiration in IRES sediments upon rewetting, which could result in large pulses of CO2. We present a global study examining sediments from 200 dry IRES reaches spanning multiple biomes. Results from standardized assays show that mean respiration increased 32-fold to 66-fold upon sediment rewetting. Structural equation modeling indicates that this response was driven by sediment texture and organic matter quantity and quality, which, in turn, were influenced by climate, land use, and riparian plant cover. Our estimates suggest that respiration pulses resulting from rewetting of IRES sediments could contribute significantly to annual CO2 emissions from the global stream network, with a single respiration pulse potentially increasing emission by 0.2-0.7%. As the spatial and temporal extent of IRES increases globally, our results highlight the importance of recognizing the influence of wetting-drying cycles on respiration and CO2 emissions in stream networks.

Subject headings and genre

NATURVETENSKAP Geovetenskap och miljövetenskap Oceanografi, hydrologi och vattenresurser hsv//swe
NATURAL SCIENCES Earth and Related Environmental Sciences Oceanography, Hydrology and Water Resources hsv//eng
river
stream
intermittent
temporary
respiration
CO2

Added entries (persons, corporate bodies, meetings, titles ...)

Datry, T. (author)
Corti, R. (author)
Foulquier, A. (author)
Tockner, K. (author)
Marce, R. (author)
Garcia-Baquero, G. (author)
Odriozola, I (author)
Obrador, B. (author)
Elosegi, A. (author)
Mendoza-Lera, C. (author)
Gessner, M. O. (author)
Stubbington, R. (author)
Albarino, R. (author)
Allen, D. C. (author)
Altermatt, F. (author)
Arce, M. , I (author)
Arnon, S. (author)
Banas, D. (author)
Banegas-Medina, A. (author)
Beller, E. (author)
Blanchette, M. L. (author)
Blanco-Libreros, J. F. (author)
Blessing, J. (author)
Boechat, I. G. (author)
Boersma, K. S. (author)
Bogan, M. T. (author)
Bonada, N. (author)
Bond, N. R. (author)
Brintrup, K. (author)
Bruder, A. (author)
Burrows, R. M. (author)
Cancellario, T. (author)
Carlson, S. M. (author)
Cauvy-Fraunie, S. (author)
Cid, N. (author)
Danger, M. (author)
de Freitas Terra, B. (author)
Dehedin, A. (author)
De Girolamo, A. M. (author)
del Campo, R. (author)
Diaz-Villanueva, V. (author)
Duerdoth, C. P. (author)
Dyer, F. (author)
Faye, E. (author)
Febria, C. (author)
Figueroa, R. (author)
Four, B. (author)
Gafny, S. (author)
Gomez, R. (author)
Gómez-Gener, LluísUmeå universitet,Institutionen för ekologi, miljö och geovetenskap(Swepub:umu)llgm0001 (author)
Graca, M. A. S. (author)
Guareschi, S. (author)
Gucker, B. (author)
Hoppeler, F. (author)
Hwan, J. L. (author)
Kubheka, S. (author)
Laini, A. (author)
Langhans, S. D. (author)
Leigh, C. (author)
Little, C. J. (author)
Lorenz, S. (author)
Marshall, J. (author)
Martin, E. J. (author)
McIntosh, A. (author)
Meyer, E. , I (author)
Milisa, M. (author)
Mlambo, M. C. (author)
Moleon, M. (author)
Morais, M. (author)
Negus, P. (author)
Niyogi, D. (author)
Papatheodoulou, A. (author)
Pardo, I (author)
Paril, P. (author)
Pesic, V (author)
Piscart, C. (author)
Polasek, M. (author)
Rodriguez-Lozano, P. (author)
Rolls, R. J. (author)
Sanchez-Montoya, M. M. (author)
Savic, A. (author)
Shumilova, O. (author)
Steward, A. (author)
Taleb, A. (author)
Uzan, A. (author)
Vander Vorste, R. (author)
Waltham, N. (author)
Woelfle-Erskine, C. (author)
Zak, D. (author)
Zarfl, C. (author)
Zoppini, A. (author)
Umeå universitetInstitutionen för ekologi, miljö och geovetenskap (creator_code:org_t)

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In:Global Biogeochemical Cycles: American Geophysical Union (AGU)33:10, s. 1251-12630886-62361944-9224

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By the author/editor: von Schiller, D.; Datry, T.; Corti, R.; Foulquier, A.; Tockner, K.; Marce, R.; show more...; Garcia-Baquero, ...; Odriozola, I; Obrador, B.; Elosegi, A.; Mendoza-Lera, C.; Gessner, M. O.; Stubbington, R.; Albarino, R.; Allen, D. C.; Altermatt, F.; Arce, M. , I; Arnon, S.; Banas, D.; Banegas-Medina, ...; Beller, E.; Blanchette, M. L ...; Blanco-Libreros, ...; Blessing, J.; Boechat, I. G.; Boersma, K. S.; Bogan, M. T.; Bonada, N.; Bond, N. R.; Brintrup, K.; Bruder, A.; Burrows, R. M.; Cancellario, T.; Carlson, S. M.; Cauvy-Fraunie, S ...; Cid, N.; Danger, M.; de Freitas Terra ...; Dehedin, A.; De Girolamo, A. ...; del Campo, R.; Diaz-Villanueva, ...; Duerdoth, C. P.; Dyer, F.; Faye, E.; Febria, C.; Figueroa, R.; Four, B.; Gafny, S.; Gomez, R.; Gómez-Gener, Llu ...; Graca, M. A. S.; Guareschi, S.; Gucker, B.; Hoppeler, F.; Hwan, J. L.; Kubheka, S.; Laini, A.; Langhans, S. D.; Leigh, C.; Little, C. J.; Lorenz, S.; Marshall, J.; Martin, E. J.; McIntosh, A.; Meyer, E. , I; Milisa, M.; Mlambo, M. C.; Moleon, M.; Morais, M.; Negus, P.; Niyogi, D.; Papatheodoulou, ...; Pardo, I; Paril, P.; Pesic, V; Piscart, C.; Polasek, M.; Rodriguez-Lozano ...; Rolls, R. J.; Sanchez-Montoya, ...; Savic, A.; Shumilova, O.; Steward, A.; Taleb, A.; Uzan, A.; Vander Vorste, R ...; Waltham, N.; Woelfle-Erskine, ...; Zak, D.; Zarfl, C.; Zoppini, A.; show less...

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NATURAL SCIENCES: NATURAL SCIENCES; and Earth and Relate ...; and Oceanography Hyd ...

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By the university: Umeå University

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