Estimating fluxes of greenhouse gasses along the Yenisei River, Siberia, 2016
The watersheds of the large Siberian rivers store significant amounts of organic carbon in soils and vegetation. However, the lateral transport of carbon from Arctic lands to the rivers, the in-stream processing of dissolved organic carbon (DOC), and the greenhouse gas evasion from the river network...
Main Author: | |
---|---|
Format: | Dataset |
Language: | English |
Published: |
Arctic Data Center
2017
|
Subjects: | |
Online Access: | https://dx.doi.org/10.18739/a2v97zr7h https://arcticdata.io/catalog/#view/doi:10.18739/A2V97ZR7H |
id |
ftdatacite:10.18739/a2v97zr7h |
---|---|
record_format |
openpolar |
spelling |
ftdatacite:10.18739/a2v97zr7h 2023-05-15T14:53:42+02:00 Estimating fluxes of greenhouse gasses along the Yenisei River, Siberia, 2016 Amon, Rainer 2017 text/xml https://dx.doi.org/10.18739/a2v97zr7h https://arcticdata.io/catalog/#view/doi:10.18739/A2V97ZR7H en eng Arctic Data Center CO2 fluxes GHG fluxes dataset Dataset 2017 ftdatacite https://doi.org/10.18739/a2v97zr7h 2021-11-05T12:55:41Z The watersheds of the large Siberian rivers store significant amounts of organic carbon in soils and vegetation. However, the lateral transport of carbon from Arctic lands to the rivers, the in-stream processing of dissolved organic carbon (DOC), and the greenhouse gas evasion from the river networks has not been well determined. During previous field work we observed a large shift in the isotopic composition of dissolved inorganic carbon (DIC), suggesting a significant in-transit loss of terrigeneous DOC. The study explored the release of greenhouse gases from the Yenisei river to the atmosphere. The hypothesis of this work is that land-based organic carbon that gets flushed into rivers does not make its way to the Arctic Ocean, where it could be deposited in the sediments. Rather, before reaching the Arctic Ocean, microbes decompose this organic carbon, resulting in a flux of carbon dioxide (CO2) and methane (CH4), both greenhouse gases, from the rivers to the atmosphere. We measured the concentration and isotopic composition of CO2 and CH4 in surface waters and air using a cavity ring down system connected to an equilibrator. Together with meteorological, radiation, high frequency temperature profile, and Acoustic Doppler Current Profiler measurements, we determined air/water gas exchange of CO2 and CH4 along the river from 56°N to 69°N. Dataset Arctic Arctic Ocean Siberia DataCite Metadata Store (German National Library of Science and Technology) Arctic Arctic Ocean Yenisei River ENVELOPE(84.738,84.738,69.718,69.718) |
institution |
Open Polar |
collection |
DataCite Metadata Store (German National Library of Science and Technology) |
op_collection_id |
ftdatacite |
language |
English |
topic |
CO2 fluxes GHG fluxes |
spellingShingle |
CO2 fluxes GHG fluxes Amon, Rainer Estimating fluxes of greenhouse gasses along the Yenisei River, Siberia, 2016 |
topic_facet |
CO2 fluxes GHG fluxes |
description |
The watersheds of the large Siberian rivers store significant amounts of organic carbon in soils and vegetation. However, the lateral transport of carbon from Arctic lands to the rivers, the in-stream processing of dissolved organic carbon (DOC), and the greenhouse gas evasion from the river networks has not been well determined. During previous field work we observed a large shift in the isotopic composition of dissolved inorganic carbon (DIC), suggesting a significant in-transit loss of terrigeneous DOC. The study explored the release of greenhouse gases from the Yenisei river to the atmosphere. The hypothesis of this work is that land-based organic carbon that gets flushed into rivers does not make its way to the Arctic Ocean, where it could be deposited in the sediments. Rather, before reaching the Arctic Ocean, microbes decompose this organic carbon, resulting in a flux of carbon dioxide (CO2) and methane (CH4), both greenhouse gases, from the rivers to the atmosphere. We measured the concentration and isotopic composition of CO2 and CH4 in surface waters and air using a cavity ring down system connected to an equilibrator. Together with meteorological, radiation, high frequency temperature profile, and Acoustic Doppler Current Profiler measurements, we determined air/water gas exchange of CO2 and CH4 along the river from 56°N to 69°N. |
format |
Dataset |
author |
Amon, Rainer |
author_facet |
Amon, Rainer |
author_sort |
Amon, Rainer |
title |
Estimating fluxes of greenhouse gasses along the Yenisei River, Siberia, 2016 |
title_short |
Estimating fluxes of greenhouse gasses along the Yenisei River, Siberia, 2016 |
title_full |
Estimating fluxes of greenhouse gasses along the Yenisei River, Siberia, 2016 |
title_fullStr |
Estimating fluxes of greenhouse gasses along the Yenisei River, Siberia, 2016 |
title_full_unstemmed |
Estimating fluxes of greenhouse gasses along the Yenisei River, Siberia, 2016 |
title_sort |
estimating fluxes of greenhouse gasses along the yenisei river, siberia, 2016 |
publisher |
Arctic Data Center |
publishDate |
2017 |
url |
https://dx.doi.org/10.18739/a2v97zr7h https://arcticdata.io/catalog/#view/doi:10.18739/A2V97ZR7H |
long_lat |
ENVELOPE(84.738,84.738,69.718,69.718) |
geographic |
Arctic Arctic Ocean Yenisei River |
geographic_facet |
Arctic Arctic Ocean Yenisei River |
genre |
Arctic Arctic Ocean Siberia |
genre_facet |
Arctic Arctic Ocean Siberia |
op_doi |
https://doi.org/10.18739/a2v97zr7h |
_version_ |
1766325282389622784 |