Mostrar el registro sencillo del ítem
dc.contributor.author
Salas Rabaza, Julio A.
dc.contributor.author
Andrade, José Luis
dc.contributor.author
Us Santamaría, Roberth
dc.contributor.author
Morales Rico, Pablo
dc.contributor.author
Mayora, Gisela Paola
![Se ha confirmado la validez de este valor de autoridad por un usuario](/themes/CONICETDigital/images/authority_control/invisible.gif)
dc.contributor.author
Aguirre, Francisco Javier
dc.contributor.author
Fecci Machuca, Vicente
dc.contributor.author
Gade Palma, Eugenia M.
dc.contributor.author
Thalasso, Frederic
dc.date.available
2024-02-06T13:36:04Z
dc.date.issued
2023-12
dc.identifier.citation
Salas Rabaza, Julio A.; Andrade, José Luis; Us Santamaría, Roberth; Morales Rico, Pablo; Mayora, Gisela Paola; et al.; Impacts of leaks and gas accumulation on closed chamber methods for measuring methane and carbon dioxide fluxes from tree stems; Elsevier; Science of the Total Environment; 904; 12-2023; 1-10
dc.identifier.issn
0048-9697
dc.identifier.uri
http://hdl.handle.net/11336/225944
dc.description.abstract
Accurate measurements of methane (CH4) and carbon dioxide (CO2) fluxes from tree stems are important for understanding greenhouse gas emissions. Closed chamber methods are commonly employed for this purpose; however, leaks between the chamber and the atmosphere as well as gas accumulation, known as the concentration buildup effect, can impact flux measurements significantly. In this study, we investigated the impacts of concentration buildup and leaks on semi-rigid closed chamber methods. Field measurements were conducted on six tree species, including three species from a Mexican mangrove ecosystem and three species from a Magellanic sub-Antarctic forest. Systematic observations revealed significant leak flow rates, ranging from 0.00 to 465 L h−1, with a median value of 1.25 ± 75.67 L h−1. We tested the efficacy of using cement to reduce leaks, achieving a leak flow rate reduction of 46–98 % without complete elimination. Our study also demonstrates a clear and substantial impact of concentration buildup on CH4 flux measurements, while CO2 flux measurements were relatively less affected across all tree species studied. Our results show that the combined effects of leaks and concentration buildup can lead to an underestimation of CH4 emissions by an average of 40 ± 20 % and CO2 emissions by 22 ± 22 %, depending on the bark roughness. Based on these findings, we recall a straightforward yet effective method to minimize experimental errors associated with these phenomena, previously established, and reiterated in the current context, for calculating emissions that considers effects of leaks and concentration buildup, while eliminating the need for separate determinations of these phenomena. Overall, the results, combined with a literature review, suggest that our current estimates of GHG flux from tree stems are currently underestimated.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier
![Se ha confirmado la validez de este valor de autoridad por un usuario](/themes/CONICETDigital/images/authority_control/invisible.gif)
dc.rights
info:eu-repo/semantics/restrictedAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
BARK
dc.subject
FOREST
dc.subject
GREENHOUSE GAS
dc.subject
MANGROVE
dc.subject
ROUGHNESS
dc.subject
SUB-ANTARCTIC
dc.subject.classification
Geoquímica y Geofísica
![Se ha confirmado la validez de este valor de autoridad por un usuario](/themes/CONICETDigital/images/authority_control/invisible.gif)
dc.subject.classification
Ciencias de la Tierra y relacionadas con el Medio Ambiente
![Se ha confirmado la validez de este valor de autoridad por un usuario](/themes/CONICETDigital/images/authority_control/invisible.gif)
dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
![Se ha confirmado la validez de este valor de autoridad por un usuario](/themes/CONICETDigital/images/authority_control/invisible.gif)
dc.title
Impacts of leaks and gas accumulation on closed chamber methods for measuring methane and carbon dioxide fluxes from tree stems
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2024-02-06T11:03:53Z
dc.journal.volume
904
dc.journal.pagination
1-10
dc.journal.pais
Países Bajos
![Se ha confirmado la validez de este valor de autoridad por un usuario](/themes/CONICETDigital/images/authority_control/invisible.gif)
dc.description.fil
Fil: Salas Rabaza, Julio A.. Universidad de Magallanes; Chile
dc.description.fil
Fil: Andrade, José Luis. No especifíca;
dc.description.fil
Fil: Us Santamaría, Roberth. No especifíca;
dc.description.fil
Fil: Morales Rico, Pablo. No especifíca;
dc.description.fil
Fil: Mayora, Gisela Paola. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto Nacional de Limnología. Universidad Nacional del Litoral. Instituto Nacional de Limnología; Argentina
dc.description.fil
Fil: Aguirre, Francisco Javier. Universidad de Magallanes; Chile
dc.description.fil
Fil: Fecci Machuca, Vicente. Universidad de Magallanes; Chile
dc.description.fil
Fil: Gade Palma, Eugenia M.. Universidad de Magallanes; Chile
dc.description.fil
Fil: Thalasso, Frederic. Universidad de Magallanes; Chile
dc.journal.title
Science of the Total Environment
![Se ha confirmado la validez de este valor de autoridad por un usuario](/themes/CONICETDigital/images/authority_control/invisible.gif)
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://linkinghub.elsevier.com/retrieve/pii/S0048969723049835
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.scitotenv.2023.166358
Archivos asociados