Surface sediment and topsoil biomarker isotope data from Lake Khar Nuur and its catchment, Mongolia
The compound-specific hydrogen isotopic composition (δ2H) of n-alkanes well reflect hydrological conditions in lake sediments, but the spatial distribution of the δ2H signal of terrestrial and aquatic n - alkanes within lakes is not systematically investigated so far. Therefore, we analyzed compound...
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ftpangaea:oai:pangaea.de:doi:10.1594/PANGAEA.940115 2023-05-15T15:44:29+02:00 Surface sediment and topsoil biomarker isotope data from Lake Khar Nuur and its catchment, Mongolia Strobel, Paul Struck, Julian Bazarradnaa, Enkhtuya Zech, Michael Zech, Roland Bliedtner, Marcel MEDIAN LATITUDE: 48.618937 * MEDIAN LONGITUDE: 88.802616 * SOUTH-BOUND LATITUDE: 48.585880 * WEST-BOUND LONGITUDE: 88.322860 * NORTH-BOUND LATITUDE: 48.647150 * EAST-BOUND LONGITUDE: 88.967350 2022-01-18 application/zip, 2 datasets https://doi.pangaea.de/10.1594/PANGAEA.940115 https://doi.org/10.1594/PANGAEA.940115 en eng PANGAEA Strobel, Paul; Struck, Julian; Bazarradnaa, Enkhtuya; Zech, Michael; Zech, Roland; Bliedtner, Marcel (2022): Precipitation and lake water evaporation recorded by terrestrial and aquatic n-alkane δ2H isotopes in Lake Khar Nuur, Mongolia. Geochemistry, Geophysics, Geosystems, https://doi.org/10.1029/2021GC010234 https://doi.pangaea.de/10.1594/PANGAEA.940115 https://doi.org/10.1594/PANGAEA.940115 CC-BY-4.0: Creative Commons Attribution 4.0 International Access constraints: unrestricted info:eu-repo/semantics/openAccess CC-BY compound-specific biomarker isotopes lake surface sediments Mongolia topsoils Dataset 2022 ftpangaea https://doi.org/10.1594/PANGAEA.940115 https://doi.org/10.1029/2021GC010234 2023-01-20T07:34:51Z The compound-specific hydrogen isotopic composition (δ2H) of n-alkanes well reflect hydrological conditions in lake sediments, but the spatial distribution of the δ2H signal of terrestrial and aquatic n - alkanes within lakes is not systematically investigated so far. Therefore, we analyzed compound-specific δ2H of terrestrial and aquatic n-alkanes of 46 surface sediment samples from Lake Khar Nuur, a semi-arid and high-altitude lake in the Mongolian Altai (2,486 m a.s.l.; 48°37'22.9N, 88°56'42.5E). Additionally, we analyzed the terrestrial δ2H signal of 13 topsoils from the catchment. Lake surface sediments were recovered from the lake floor with a Van Veen Grab sampler and topsoils (0-5 cm) were sampled as a mixed samples of three subsamples from each site during a fieldtrip in July 2018. Sample extraction procedure is described in detail by Strobel et al. (in revision). Compound-specific δ2H was analyzed for the terrestrial n-alkane C31 (δ2HC31) in the topsoil and surface sediment samples, whereas δ2H of the aquatic C23 (δ2HC23) was analyzed in the lake surface sediments. One topsoil site is grown by Betula nana (L.) showing C27 as the dominant chain-length, which was target for compound-specific δ2H measurements at this site (δ2HC27). All δ2H measurements were carried out on an IsoPrime visION isotope ratio mass spectrometer coupled to an Agilent 7890A GC via a GC5 pyrolysis/combustion interface operating in pyrolysis mode with a Cr (ChromeHD) reactor at 1050 °C. Dataset Betula nana PANGAEA - Data Publisher for Earth & Environmental Science Van Veen ENVELOPE(161.900,161.900,-71.583,-71.583) ENVELOPE(88.322860,88.967350,48.647150,48.585880) |
institution |
Open Polar |
collection |
PANGAEA - Data Publisher for Earth & Environmental Science |
op_collection_id |
ftpangaea |
language |
English |
topic |
compound-specific biomarker isotopes lake surface sediments Mongolia topsoils |
spellingShingle |
compound-specific biomarker isotopes lake surface sediments Mongolia topsoils Strobel, Paul Struck, Julian Bazarradnaa, Enkhtuya Zech, Michael Zech, Roland Bliedtner, Marcel Surface sediment and topsoil biomarker isotope data from Lake Khar Nuur and its catchment, Mongolia |
topic_facet |
compound-specific biomarker isotopes lake surface sediments Mongolia topsoils |
description |
The compound-specific hydrogen isotopic composition (δ2H) of n-alkanes well reflect hydrological conditions in lake sediments, but the spatial distribution of the δ2H signal of terrestrial and aquatic n - alkanes within lakes is not systematically investigated so far. Therefore, we analyzed compound-specific δ2H of terrestrial and aquatic n-alkanes of 46 surface sediment samples from Lake Khar Nuur, a semi-arid and high-altitude lake in the Mongolian Altai (2,486 m a.s.l.; 48°37'22.9N, 88°56'42.5E). Additionally, we analyzed the terrestrial δ2H signal of 13 topsoils from the catchment. Lake surface sediments were recovered from the lake floor with a Van Veen Grab sampler and topsoils (0-5 cm) were sampled as a mixed samples of three subsamples from each site during a fieldtrip in July 2018. Sample extraction procedure is described in detail by Strobel et al. (in revision). Compound-specific δ2H was analyzed for the terrestrial n-alkane C31 (δ2HC31) in the topsoil and surface sediment samples, whereas δ2H of the aquatic C23 (δ2HC23) was analyzed in the lake surface sediments. One topsoil site is grown by Betula nana (L.) showing C27 as the dominant chain-length, which was target for compound-specific δ2H measurements at this site (δ2HC27). All δ2H measurements were carried out on an IsoPrime visION isotope ratio mass spectrometer coupled to an Agilent 7890A GC via a GC5 pyrolysis/combustion interface operating in pyrolysis mode with a Cr (ChromeHD) reactor at 1050 °C. |
format |
Dataset |
author |
Strobel, Paul Struck, Julian Bazarradnaa, Enkhtuya Zech, Michael Zech, Roland Bliedtner, Marcel |
author_facet |
Strobel, Paul Struck, Julian Bazarradnaa, Enkhtuya Zech, Michael Zech, Roland Bliedtner, Marcel |
author_sort |
Strobel, Paul |
title |
Surface sediment and topsoil biomarker isotope data from Lake Khar Nuur and its catchment, Mongolia |
title_short |
Surface sediment and topsoil biomarker isotope data from Lake Khar Nuur and its catchment, Mongolia |
title_full |
Surface sediment and topsoil biomarker isotope data from Lake Khar Nuur and its catchment, Mongolia |
title_fullStr |
Surface sediment and topsoil biomarker isotope data from Lake Khar Nuur and its catchment, Mongolia |
title_full_unstemmed |
Surface sediment and topsoil biomarker isotope data from Lake Khar Nuur and its catchment, Mongolia |
title_sort |
surface sediment and topsoil biomarker isotope data from lake khar nuur and its catchment, mongolia |
publisher |
PANGAEA |
publishDate |
2022 |
url |
https://doi.pangaea.de/10.1594/PANGAEA.940115 https://doi.org/10.1594/PANGAEA.940115 |
op_coverage |
MEDIAN LATITUDE: 48.618937 * MEDIAN LONGITUDE: 88.802616 * SOUTH-BOUND LATITUDE: 48.585880 * WEST-BOUND LONGITUDE: 88.322860 * NORTH-BOUND LATITUDE: 48.647150 * EAST-BOUND LONGITUDE: 88.967350 |
long_lat |
ENVELOPE(161.900,161.900,-71.583,-71.583) ENVELOPE(88.322860,88.967350,48.647150,48.585880) |
geographic |
Van Veen |
geographic_facet |
Van Veen |
genre |
Betula nana |
genre_facet |
Betula nana |
op_relation |
Strobel, Paul; Struck, Julian; Bazarradnaa, Enkhtuya; Zech, Michael; Zech, Roland; Bliedtner, Marcel (2022): Precipitation and lake water evaporation recorded by terrestrial and aquatic n-alkane δ2H isotopes in Lake Khar Nuur, Mongolia. Geochemistry, Geophysics, Geosystems, https://doi.org/10.1029/2021GC010234 https://doi.pangaea.de/10.1594/PANGAEA.940115 https://doi.org/10.1594/PANGAEA.940115 |
op_rights |
CC-BY-4.0: Creative Commons Attribution 4.0 International Access constraints: unrestricted info:eu-repo/semantics/openAccess |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.1594/PANGAEA.940115 https://doi.org/10.1029/2021GC010234 |
_version_ |
1766378873633636352 |