Amino acids in the interstitial waters from ODP Hole 113-695A, supplement to: Kawahata, Hodaka; Ishizuka, Toshio; Nagao, Toshiyasu (1990): Amino acids in the Interstitial Waters from ODP Site 695 in the Weddell Sea, Antarctic Ocean. In: Barker, PF; Kennett, JP; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 113, 179-187
Site 695 lies on the southeast margin of the South Orkney microcontinent on the northern margin of the Weddell Sea, at 62°23.48'S, 43°27.10'W in 1305 m water depth. The inorganic properties of interstitial waters at this site, including sulfate reduction, biogenic methane production, and h...
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1990
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ftdatacite:10.1594/pangaea.754263 2023-05-15T13:46:22+02:00 Amino acids in the interstitial waters from ODP Hole 113-695A, supplement to: Kawahata, Hodaka; Ishizuka, Toshio; Nagao, Toshiyasu (1990): Amino acids in the Interstitial Waters from ODP Site 695 in the Weddell Sea, Antarctic Ocean. In: Barker, PF; Kennett, JP; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 113, 179-187 Kawahata, Hodaka Ishizuka, Toshio Nagao, Toshiyasu 1990 application/zip https://dx.doi.org/10.1594/pangaea.754263 https://doi.pangaea.de/10.1594/PANGAEA.754263 en eng PANGAEA - Data Publisher for Earth & Environmental Science https://dx.doi.org/10.2973/odp.proc.sr.113.166.1990 Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/legalcode cc-by-3.0 CC-BY Drilling/drill rig Leg113 Joides Resolution Ocean Drilling Program ODP Supplementary Collection of Datasets Collection article 1990 ftdatacite https://doi.org/10.1594/pangaea.754263 https://doi.org/10.2973/odp.proc.sr.113.166.1990 2022-02-08T16:02:21Z Site 695 lies on the southeast margin of the South Orkney microcontinent on the northern margin of the Weddell Sea, at 62°23.48'S, 43°27.10'W in 1305 m water depth. The inorganic properties of interstitial waters at this site, including sulfate reduction, biogenic methane production, and high concentrations of ammonia and phosphate, imply high microbial activity. However, no clear relationship between amino acid composition and concentration and the type of microbial activity (e.g., sulfate reduction or methane production) can be identified.The THAA (total hydrolyzable amino acids) values range between 2.45 and 17.31 µmol/L, averaging 7.14 µmol/L. The mean concentrations and relative abundance values of acidic, basic, neutral, aromatic, and sulfur-containing amino acids are 1.34 (18%), 1.09 (15%), 3.93 (54%), 0.50 (8%), and 0.02 (0%) µmol/L, respectively. Glycine is the most abundant amino acid residue, with serine, glutamic acid, and ornithine next. The DFAA (dissolved free amino acids) values range from 0.10 to 12.73 µmol/L, averaging 4.07 µmol/L. The acidic, basic, neutral, aromatic, and sulfurcontaining amino acids are on average 0.21, 0.79, 2.56, 0.41, and 0.01 µmol/L, respectively. The relative abundances of acidic, basic, neutral, and aromatic amino acids average 4%, 18%, 58%, and 15%, respectively.Predominance of DFAA over DCAA (dissolved combined amino acids) in interstitial waters of Lithologic Units I and II is contrary to the predominance of DCAA over DFAA in other interstitial waters and seawater.The comparison of amino acid compositions between DCAA and siliceous plankton suggests that the DCAA in interstitial waters originally comes from amino acids derived from siliceous plankton. However, other sources which are much enriched in glutamic acid contribute to the DCAA composition. Article in Journal/Newspaper Antarc* Antarctic Antarctic Ocean Weddell Sea DataCite Metadata Store (German National Library of Science and Technology) Antarctic Weddell Sea Weddell Antarctic Ocean Kennett ENVELOPE(-65.167,-65.167,-67.117,-67.117) |
institution |
Open Polar |
collection |
DataCite Metadata Store (German National Library of Science and Technology) |
op_collection_id |
ftdatacite |
language |
English |
topic |
Drilling/drill rig Leg113 Joides Resolution Ocean Drilling Program ODP |
spellingShingle |
Drilling/drill rig Leg113 Joides Resolution Ocean Drilling Program ODP Kawahata, Hodaka Ishizuka, Toshio Nagao, Toshiyasu Amino acids in the interstitial waters from ODP Hole 113-695A, supplement to: Kawahata, Hodaka; Ishizuka, Toshio; Nagao, Toshiyasu (1990): Amino acids in the Interstitial Waters from ODP Site 695 in the Weddell Sea, Antarctic Ocean. In: Barker, PF; Kennett, JP; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 113, 179-187 |
topic_facet |
Drilling/drill rig Leg113 Joides Resolution Ocean Drilling Program ODP |
description |
Site 695 lies on the southeast margin of the South Orkney microcontinent on the northern margin of the Weddell Sea, at 62°23.48'S, 43°27.10'W in 1305 m water depth. The inorganic properties of interstitial waters at this site, including sulfate reduction, biogenic methane production, and high concentrations of ammonia and phosphate, imply high microbial activity. However, no clear relationship between amino acid composition and concentration and the type of microbial activity (e.g., sulfate reduction or methane production) can be identified.The THAA (total hydrolyzable amino acids) values range between 2.45 and 17.31 µmol/L, averaging 7.14 µmol/L. The mean concentrations and relative abundance values of acidic, basic, neutral, aromatic, and sulfur-containing amino acids are 1.34 (18%), 1.09 (15%), 3.93 (54%), 0.50 (8%), and 0.02 (0%) µmol/L, respectively. Glycine is the most abundant amino acid residue, with serine, glutamic acid, and ornithine next. The DFAA (dissolved free amino acids) values range from 0.10 to 12.73 µmol/L, averaging 4.07 µmol/L. The acidic, basic, neutral, aromatic, and sulfurcontaining amino acids are on average 0.21, 0.79, 2.56, 0.41, and 0.01 µmol/L, respectively. The relative abundances of acidic, basic, neutral, and aromatic amino acids average 4%, 18%, 58%, and 15%, respectively.Predominance of DFAA over DCAA (dissolved combined amino acids) in interstitial waters of Lithologic Units I and II is contrary to the predominance of DCAA over DFAA in other interstitial waters and seawater.The comparison of amino acid compositions between DCAA and siliceous plankton suggests that the DCAA in interstitial waters originally comes from amino acids derived from siliceous plankton. However, other sources which are much enriched in glutamic acid contribute to the DCAA composition. |
format |
Article in Journal/Newspaper |
author |
Kawahata, Hodaka Ishizuka, Toshio Nagao, Toshiyasu |
author_facet |
Kawahata, Hodaka Ishizuka, Toshio Nagao, Toshiyasu |
author_sort |
Kawahata, Hodaka |
title |
Amino acids in the interstitial waters from ODP Hole 113-695A, supplement to: Kawahata, Hodaka; Ishizuka, Toshio; Nagao, Toshiyasu (1990): Amino acids in the Interstitial Waters from ODP Site 695 in the Weddell Sea, Antarctic Ocean. In: Barker, PF; Kennett, JP; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 113, 179-187 |
title_short |
Amino acids in the interstitial waters from ODP Hole 113-695A, supplement to: Kawahata, Hodaka; Ishizuka, Toshio; Nagao, Toshiyasu (1990): Amino acids in the Interstitial Waters from ODP Site 695 in the Weddell Sea, Antarctic Ocean. In: Barker, PF; Kennett, JP; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 113, 179-187 |
title_full |
Amino acids in the interstitial waters from ODP Hole 113-695A, supplement to: Kawahata, Hodaka; Ishizuka, Toshio; Nagao, Toshiyasu (1990): Amino acids in the Interstitial Waters from ODP Site 695 in the Weddell Sea, Antarctic Ocean. In: Barker, PF; Kennett, JP; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 113, 179-187 |
title_fullStr |
Amino acids in the interstitial waters from ODP Hole 113-695A, supplement to: Kawahata, Hodaka; Ishizuka, Toshio; Nagao, Toshiyasu (1990): Amino acids in the Interstitial Waters from ODP Site 695 in the Weddell Sea, Antarctic Ocean. In: Barker, PF; Kennett, JP; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 113, 179-187 |
title_full_unstemmed |
Amino acids in the interstitial waters from ODP Hole 113-695A, supplement to: Kawahata, Hodaka; Ishizuka, Toshio; Nagao, Toshiyasu (1990): Amino acids in the Interstitial Waters from ODP Site 695 in the Weddell Sea, Antarctic Ocean. In: Barker, PF; Kennett, JP; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 113, 179-187 |
title_sort |
amino acids in the interstitial waters from odp hole 113-695a, supplement to: kawahata, hodaka; ishizuka, toshio; nagao, toshiyasu (1990): amino acids in the interstitial waters from odp site 695 in the weddell sea, antarctic ocean. in: barker, pf; kennett, jp; et al. (eds.), proceedings of the ocean drilling program, scientific results, college station, tx (ocean drilling program), 113, 179-187 |
publisher |
PANGAEA - Data Publisher for Earth & Environmental Science |
publishDate |
1990 |
url |
https://dx.doi.org/10.1594/pangaea.754263 https://doi.pangaea.de/10.1594/PANGAEA.754263 |
long_lat |
ENVELOPE(-65.167,-65.167,-67.117,-67.117) |
geographic |
Antarctic Weddell Sea Weddell Antarctic Ocean Kennett |
geographic_facet |
Antarctic Weddell Sea Weddell Antarctic Ocean Kennett |
genre |
Antarc* Antarctic Antarctic Ocean Weddell Sea |
genre_facet |
Antarc* Antarctic Antarctic Ocean Weddell Sea |
op_relation |
https://dx.doi.org/10.2973/odp.proc.sr.113.166.1990 |
op_rights |
Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/legalcode cc-by-3.0 |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.1594/pangaea.754263 https://doi.org/10.2973/odp.proc.sr.113.166.1990 |
_version_ |
1766241036968919040 |