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| Autores principales: | , , , , , , , , , |
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| Formato: | Artículo científico |
| Lenguaje: | en |
| Publicado: |
Environmental science & technology
2024
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| Materias: | |
| Acceso en línea: | https://pubmed.ncbi.nlm.nih.gov/39445507/ |
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| _version_ | 1868266290179735553 |
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| author | Liu, Liu Zhang, Xin Schorn, Sina Doda, Tomy Kang, Manchun Bouffard, Damien Kirillin, Georgiy Milucka, Jana Shi, Xiaotao Grossart, Hans-Peter |
| author_facet | Liu, Liu Zhang, Xin Schorn, Sina Doda, Tomy Kang, Manchun Bouffard, Damien Kirillin, Georgiy Milucka, Jana Shi, Xiaotao Grossart, Hans-Peter Liu, Liu Zhang, Xin Schorn, Sina Doda, Tomy Kang, Manchun Bouffard, Damien Kirillin, Georgiy Milucka, Jana Shi, Xiaotao Grossart, Hans-Peter |
| collection | PubMed - marine biology |
| contents | Strong Subseasonal Variability of Oxic Methane Production Challenges Methane Budgeting in Freshwater Lakes. Liu, Liu Zhang, Xin Schorn, Sina Doda, Tomy Kang, Manchun Bouffard, Damien Kirillin, Georgiy Milucka, Jana Shi, Xiaotao Grossart, Hans-Peter Methane Lakes Seasons Environmental Monitoring Fresh Water Methane (CH) accumulation in the well-oxygenated lake epilimnion enhances the diffusive atmospheric CH emission. Both lateral transport and in situ oxic methane production (OMP) have been suggested as potential sources. While the latter has been recently supported by increasing evidence, quantifying the exact contribution of OMP to atmospheric emissions remains challenging. Based on a large high-resolution field data set collected during 2019-2020 in the deep stratified Lake Stechlin and on three-dimensional hydrodynamic modeling, we improved existing CH budgets by resolving each component of the mass balance model at a seasonal scale and therefore better constrained the residual OMP. All terms in our model showed a large temporal variability at scales from intraday to seasonal, and the modeled OMP was most sensitive to the surface CH flux estimates. Future efforts are needed to reduce the uncertainties in estimating OMP rates using the mass balance approach by increasing the frequency of atmospheric CH flux measurements. |
| format | Artículo científico |
| id | pubmed_39445507 |
| institution | PubMed |
| language | en |
| publishDate | 2024 |
| publisher | Environmental science & technology |
| record_format | pubmed |
| spellingShingle | Strong Subseasonal Variability of Oxic Methane Production Challenges Methane Budgeting in Freshwater Lakes. Liu, Liu Zhang, Xin Schorn, Sina Doda, Tomy Kang, Manchun Bouffard, Damien Kirillin, Georgiy Milucka, Jana Shi, Xiaotao Grossart, Hans-Peter Methane Lakes Seasons Environmental Monitoring Fresh Water Strong Subseasonal Variability of Oxic Methane Production Challenges Methane Budgeting in Freshwater Lakes. Liu, Liu Zhang, Xin Schorn, Sina Doda, Tomy Kang, Manchun Bouffard, Damien Kirillin, Georgiy Milucka, Jana Shi, Xiaotao Grossart, Hans-Peter Methane Lakes Seasons Environmental Monitoring Fresh Water Methane (CH) accumulation in the well-oxygenated lake epilimnion enhances the diffusive atmospheric CH emission. Both lateral transport and in situ oxic methane production (OMP) have been suggested as potential sources. While the latter has been recently supported by increasing evidence, quantifying the exact contribution of OMP to atmospheric emissions remains challenging. Based on a large high-resolution field data set collected during 2019-2020 in the deep stratified Lake Stechlin and on three-dimensional hydrodynamic modeling, we improved existing CH budgets by resolving each component of the mass balance model at a seasonal scale and therefore better constrained the residual OMP. All terms in our model showed a large temporal variability at scales from intraday to seasonal, and the modeled OMP was most sensitive to the surface CH flux estimates. Future efforts are needed to reduce the uncertainties in estimating OMP rates using the mass balance approach by increasing the frequency of atmospheric CH flux measurements. |
| title | Strong Subseasonal Variability of Oxic Methane Production Challenges Methane Budgeting in Freshwater Lakes. |
| topic | Methane Lakes Seasons Environmental Monitoring Fresh Water |
| url | https://pubmed.ncbi.nlm.nih.gov/39445507/ |