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Stream metabolism sources a large fraction of carbon dioxide to the atmosphere in two hydologically contrasting streams


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Created: Jun 10, 2022 at 1:28 p.m.
Last updated: Aug 31, 2022 at 7:20 a.m.
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Abstract

In this study, we quantify the contribution of metabolic activity to CO2 emission in two headwater streams to shed new light on the role of inland waters in global carbon cycling. To do so, we partion CO2 emission between stream metabolism and lateral inputs, and compare these fluxes between two streams differing in the strength of groundwater inputs. The two streams were permanently flowing during the study period, but one was a perennial gaining stream, and the other was a non-perennial stream with seasonally and spatially varying losing reaches. Our main finding is that net ecosystem production contributes substantially to CO2 emission at the two sites. Our paper discusses the mechanims involved and the role of hydrological and environmental conditions on determining the contribution of stream metabolic activity to CO2 emissions in these headwater streams.
The provided data set includes subdaily stream water temperature, and concentrations and fluxes of CO2 and O2 at the two streams during the deployment period. We provide daily stream discharge and light inputs as well as all the daily values needed to reproduce figures, tables, and statistics included in the manuscript.
Finally, we provided the input data needed to run streamMetabolizer and estimate daily GPP, ER, and K600. Details on the procedures followed and model specifications canbe found in the Supplementary Materials of the paper.

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Coverage

Spatial

Coordinate System/Geographic Projection:
WGS 84 EPSG:4326
Coordinate Units:
Decimal degrees
Place/Area Name:
Fuirosos and Regàs streams
North Latitude
41.8325°
East Longitude
2.7959°
South Latitude
41.6675°
West Longitude
2.4498°

Temporal

Start Date:
End Date:

Content

Credits

Funding Agencies

This resource was created using funding from the following sources:
Agency Name Award Title Award Number
Spanish Ministry of Science, Innovation, and Universities and AEI/FEDER UE Ramon y Cajal fellowship RYC-2017-22643
Government of Catalonia and the Horizon 2020 research and innovation program Beatriu de Pinós BP-2018-00082
European Commission Marie Skłodowska Curie Individual Fellowship H2020-MSCA-IF-2018-834363
Spanish Ministry of Science, Innovation, and Universities and AEI/FEDER UE Juan de la Cierva FJCI-2017-32111
National Science Foundation DEB1442140 and DEB1557028
Spanish Ministry of Science, Innovation, and Universities and AEI/FEDER UE I+D+I Retos de la Sociedad RTI2018-094521-B-100
Spanish Ministry of Science, Innovation, and Universities and AEI/FEDER UE Generación de Conocimiento PID201-122817NB-100

Contributors

People or Organizations that contributed technically, materially, financially, or provided general support for the creation of the resource's content but are not considered authors.

Name Organization Address Phone Author Identifiers
Regàs Family

How to Cite

Bernal, S., M. J. Cohen, J. L. J. Ledesma, E. Martí, L. Kirk, A. Lupon (2022). Stream metabolism sources a large fraction of carbon dioxide to the atmosphere in two hydologically contrasting streams, HydroShare, http://www.hydroshare.org/resource/5ca90b71b2774793b2d8a5793457e684

This resource is shared under the Creative Commons Attribution CC BY.

http://creativecommons.org/licenses/by/4.0/
CC-BY

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