Variations of oxygen-18 in West Siberian precipitation during the last 50 years
Global warming is associated with large increases in surface air temperature in Siberia. Here, we apply the isotope-enabled atmospheric general circulation model ECHAM5-wiso to explore the potential of water isotope measurements at a recently opened monitoring station in Kourovka (57.04° N, 59.55° E...
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ftdoajarticles:oai:doaj.org/article:955dc25f71f441f8bc0a46093c471760 2023-05-15T17:36:24+02:00 Variations of oxygen-18 in West Siberian precipitation during the last 50 years M. Butzin M. Werner V. Masson-Delmotte C. Risi C. Frankenberg K. Gribanov J. Jouzel V. I. Zakharov 2014-06-01T00:00:00Z https://doi.org/10.5194/acp-14-5853-2014 https://doaj.org/article/955dc25f71f441f8bc0a46093c471760 EN eng Copernicus Publications http://www.atmos-chem-phys.net/14/5853/2014/acp-14-5853-2014.pdf https://doaj.org/toc/1680-7316 https://doaj.org/toc/1680-7324 1680-7316 1680-7324 doi:10.5194/acp-14-5853-2014 https://doaj.org/article/955dc25f71f441f8bc0a46093c471760 Atmospheric Chemistry and Physics, Vol 14, Iss 11, Pp 5853-5869 (2014) Physics QC1-999 Chemistry QD1-999 article 2014 ftdoajarticles https://doi.org/10.5194/acp-14-5853-2014 2022-12-31T12:22:49Z Global warming is associated with large increases in surface air temperature in Siberia. Here, we apply the isotope-enabled atmospheric general circulation model ECHAM5-wiso to explore the potential of water isotope measurements at a recently opened monitoring station in Kourovka (57.04° N, 59.55° E) in order to successfully trace climate change in western Siberia. Our model is constrained to atmospheric reanalysis fields for the period 1957–2013 to facilitate the comparison with observations of δD in total column water vapour from the GOSAT satellite, and with precipitation δ 18 O measurements from 15 Russian stations of the Global Network of Isotopes in Precipitation. The model captures the observed Russian climate within reasonable error margins, and displays the observed isotopic gradients associated with increasing continentality and decreasing meridional temperatures. The model also reproduces the observed seasonal cycle of δ 18 O, which parallels the seasonal cycle of temperature and ranges from −25 ‰ in winter to −5 ‰ in summer. Investigating West Siberian climate and precipitation δ 18 O variability during the last 50 years, we find long-term increasing trends in temperature and δ 18 O, while precipitation trends are uncertain. During the last 50 years, winter temperatures have increased by 1.7 °C. The simulated long-term increase of precipitation δ 18 O is at the detection limit (<1 ‰ per 50 years) but significant. West Siberian climate is characterized by strong interannual variability, which in winter is strongly related to the North Atlantic Oscillation. In winter, regional temperature is the predominant factor controlling δ 18 O variations on interannual to decadal timescales with a slope of about 0.5 ‰ °C −1 . In summer, the interannual variability of δ 18 O can be attributed to short-term, regional-scale processes such as evaporation and convective precipitation. This finding suggests that precipitation δ 18 O has the potential to reveal hydrometeorological regime shifts in western Siberia ... Article in Journal/Newspaper North Atlantic North Atlantic oscillation Siberia Directory of Open Access Journals: DOAJ Articles Atmospheric Chemistry and Physics 14 11 5853 5869 |
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Physics QC1-999 Chemistry QD1-999 |
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Physics QC1-999 Chemistry QD1-999 M. Butzin M. Werner V. Masson-Delmotte C. Risi C. Frankenberg K. Gribanov J. Jouzel V. I. Zakharov Variations of oxygen-18 in West Siberian precipitation during the last 50 years |
topic_facet |
Physics QC1-999 Chemistry QD1-999 |
description |
Global warming is associated with large increases in surface air temperature in Siberia. Here, we apply the isotope-enabled atmospheric general circulation model ECHAM5-wiso to explore the potential of water isotope measurements at a recently opened monitoring station in Kourovka (57.04° N, 59.55° E) in order to successfully trace climate change in western Siberia. Our model is constrained to atmospheric reanalysis fields for the period 1957–2013 to facilitate the comparison with observations of δD in total column water vapour from the GOSAT satellite, and with precipitation δ 18 O measurements from 15 Russian stations of the Global Network of Isotopes in Precipitation. The model captures the observed Russian climate within reasonable error margins, and displays the observed isotopic gradients associated with increasing continentality and decreasing meridional temperatures. The model also reproduces the observed seasonal cycle of δ 18 O, which parallels the seasonal cycle of temperature and ranges from −25 ‰ in winter to −5 ‰ in summer. Investigating West Siberian climate and precipitation δ 18 O variability during the last 50 years, we find long-term increasing trends in temperature and δ 18 O, while precipitation trends are uncertain. During the last 50 years, winter temperatures have increased by 1.7 °C. The simulated long-term increase of precipitation δ 18 O is at the detection limit (<1 ‰ per 50 years) but significant. West Siberian climate is characterized by strong interannual variability, which in winter is strongly related to the North Atlantic Oscillation. In winter, regional temperature is the predominant factor controlling δ 18 O variations on interannual to decadal timescales with a slope of about 0.5 ‰ °C −1 . In summer, the interannual variability of δ 18 O can be attributed to short-term, regional-scale processes such as evaporation and convective precipitation. This finding suggests that precipitation δ 18 O has the potential to reveal hydrometeorological regime shifts in western Siberia ... |
format |
Article in Journal/Newspaper |
author |
M. Butzin M. Werner V. Masson-Delmotte C. Risi C. Frankenberg K. Gribanov J. Jouzel V. I. Zakharov |
author_facet |
M. Butzin M. Werner V. Masson-Delmotte C. Risi C. Frankenberg K. Gribanov J. Jouzel V. I. Zakharov |
author_sort |
M. Butzin |
title |
Variations of oxygen-18 in West Siberian precipitation during the last 50 years |
title_short |
Variations of oxygen-18 in West Siberian precipitation during the last 50 years |
title_full |
Variations of oxygen-18 in West Siberian precipitation during the last 50 years |
title_fullStr |
Variations of oxygen-18 in West Siberian precipitation during the last 50 years |
title_full_unstemmed |
Variations of oxygen-18 in West Siberian precipitation during the last 50 years |
title_sort |
variations of oxygen-18 in west siberian precipitation during the last 50 years |
publisher |
Copernicus Publications |
publishDate |
2014 |
url |
https://doi.org/10.5194/acp-14-5853-2014 https://doaj.org/article/955dc25f71f441f8bc0a46093c471760 |
genre |
North Atlantic North Atlantic oscillation Siberia |
genre_facet |
North Atlantic North Atlantic oscillation Siberia |
op_source |
Atmospheric Chemistry and Physics, Vol 14, Iss 11, Pp 5853-5869 (2014) |
op_relation |
http://www.atmos-chem-phys.net/14/5853/2014/acp-14-5853-2014.pdf https://doaj.org/toc/1680-7316 https://doaj.org/toc/1680-7324 1680-7316 1680-7324 doi:10.5194/acp-14-5853-2014 https://doaj.org/article/955dc25f71f441f8bc0a46093c471760 |
op_doi |
https://doi.org/10.5194/acp-14-5853-2014 |
container_title |
Atmospheric Chemistry and Physics |
container_volume |
14 |
container_issue |
11 |
container_start_page |
5853 |
op_container_end_page |
5869 |
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1766135865378078720 |