^<18>O/^<16>O Activity Ratio at 0℃ of Salt Water of Don Juan Pond and Lake Bonney, Dry Valleys, Antarctica
The oxygen isotope ratio determined from CO_2 equilibrated isotopically with the water sample provides the oxygen isotope activity ratio of the water sample. The solution of certain salts causes the oxygen isotope activity ratio to differ from the concentration ratio of the water sample. These effec...
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National Institute of Polar Research
1977
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Online Access: | https://doi.org/10.15094/00007926 https://doaj.org/article/c9045cea005a4aff93beb9d7c0cf8339 |
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ftdoajarticles:oai:doaj.org/article:c9045cea005a4aff93beb9d7c0cf8339 2023-05-15T13:34:25+02:00 ^<18>O/^<16>O Activity Ratio at 0℃ of Salt Water of Don Juan Pond and Lake Bonney, Dry Valleys, Antarctica Kikuo KATO 1977-03-01T00:00:00Z https://doi.org/10.15094/00007926 https://doaj.org/article/c9045cea005a4aff93beb9d7c0cf8339 EN JA eng jpn National Institute of Polar Research http://doi.org/10.15094/00007926 https://doaj.org/toc/0085-7289 https://doaj.org/toc/2432-079X doi:10.15094/00007926 0085-7289 2432-079X https://doaj.org/article/c9045cea005a4aff93beb9d7c0cf8339 Antarctic Record, Iss 58, Pp 271-275 (1977) Geography (General) G1-922 article 1977 ftdoajarticles https://doi.org/10.15094/00007926 2022-12-31T01:44:59Z The oxygen isotope ratio determined from CO_2 equilibrated isotopically with the water sample provides the oxygen isotope activity ratio of the water sample. The solution of certain salts causes the oxygen isotope activity ratio to differ from the concentration ratio of the water sample. These effects are expected to increase with decreasing temperature. The oxygen isotope ratio is usually determined from CO_2 equilibrated at 25 ℃ with water. The salt water in the Dry Valleys, Antarctica is not assumed to register the oxygen isotope ratio determined at 25 ℃. So, the oxygen isotope ratio of the salt water was determined at 0℃. The CO_2-H_2O isotope fractionation factor determined at 0℃ is 1.0459. Using this value, the oxygen isotope ratio of salt water of Don Juan Pond and Lake Bonney at 0℃ was determined. The oxygen isotope ratio at 0℃ is fairly different from that at 25℃ and the difference varies greatly according to the kind of salt. Article in Journal/Newspaper Antarc* Antarctica Directory of Open Access Journals: DOAJ Articles Bonney ENVELOPE(162.417,162.417,-77.717,-77.717) Lake Bonney ENVELOPE(-25.588,-25.588,-80.361,-80.361) Don Juan Pond ENVELOPE(161.183,161.183,-77.567,-77.567) |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English Japanese |
topic |
Geography (General) G1-922 |
spellingShingle |
Geography (General) G1-922 Kikuo KATO ^<18>O/^<16>O Activity Ratio at 0℃ of Salt Water of Don Juan Pond and Lake Bonney, Dry Valleys, Antarctica |
topic_facet |
Geography (General) G1-922 |
description |
The oxygen isotope ratio determined from CO_2 equilibrated isotopically with the water sample provides the oxygen isotope activity ratio of the water sample. The solution of certain salts causes the oxygen isotope activity ratio to differ from the concentration ratio of the water sample. These effects are expected to increase with decreasing temperature. The oxygen isotope ratio is usually determined from CO_2 equilibrated at 25 ℃ with water. The salt water in the Dry Valleys, Antarctica is not assumed to register the oxygen isotope ratio determined at 25 ℃. So, the oxygen isotope ratio of the salt water was determined at 0℃. The CO_2-H_2O isotope fractionation factor determined at 0℃ is 1.0459. Using this value, the oxygen isotope ratio of salt water of Don Juan Pond and Lake Bonney at 0℃ was determined. The oxygen isotope ratio at 0℃ is fairly different from that at 25℃ and the difference varies greatly according to the kind of salt. |
format |
Article in Journal/Newspaper |
author |
Kikuo KATO |
author_facet |
Kikuo KATO |
author_sort |
Kikuo KATO |
title |
^<18>O/^<16>O Activity Ratio at 0℃ of Salt Water of Don Juan Pond and Lake Bonney, Dry Valleys, Antarctica |
title_short |
^<18>O/^<16>O Activity Ratio at 0℃ of Salt Water of Don Juan Pond and Lake Bonney, Dry Valleys, Antarctica |
title_full |
^<18>O/^<16>O Activity Ratio at 0℃ of Salt Water of Don Juan Pond and Lake Bonney, Dry Valleys, Antarctica |
title_fullStr |
^<18>O/^<16>O Activity Ratio at 0℃ of Salt Water of Don Juan Pond and Lake Bonney, Dry Valleys, Antarctica |
title_full_unstemmed |
^<18>O/^<16>O Activity Ratio at 0℃ of Salt Water of Don Juan Pond and Lake Bonney, Dry Valleys, Antarctica |
title_sort |
^<18>o/^<16>o activity ratio at 0℃ of salt water of don juan pond and lake bonney, dry valleys, antarctica |
publisher |
National Institute of Polar Research |
publishDate |
1977 |
url |
https://doi.org/10.15094/00007926 https://doaj.org/article/c9045cea005a4aff93beb9d7c0cf8339 |
long_lat |
ENVELOPE(162.417,162.417,-77.717,-77.717) ENVELOPE(-25.588,-25.588,-80.361,-80.361) ENVELOPE(161.183,161.183,-77.567,-77.567) |
geographic |
Bonney Lake Bonney Don Juan Pond |
geographic_facet |
Bonney Lake Bonney Don Juan Pond |
genre |
Antarc* Antarctica |
genre_facet |
Antarc* Antarctica |
op_source |
Antarctic Record, Iss 58, Pp 271-275 (1977) |
op_relation |
http://doi.org/10.15094/00007926 https://doaj.org/toc/0085-7289 https://doaj.org/toc/2432-079X doi:10.15094/00007926 0085-7289 2432-079X https://doaj.org/article/c9045cea005a4aff93beb9d7c0cf8339 |
op_doi |
https://doi.org/10.15094/00007926 |
_version_ |
1766052522728882176 |