Distribution of Oxygen-Deficient Water and Estimation of Its Area in Lake Kitaura
Detailed distributions of oxygen-deficient water were observed using a high-resolution tow-yo instrument, YODA Profiler, in Lake Kitaura to investigate the formation of oxygen-deficient water. The results of observations showed that oxygen-deficient water widely appeared at a depth of deeper than 4...
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| Veröffentlicht in: | Journal of Japan Society on Water Environment 2021, Vol.44(5), pp.157-164 |
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| container_title | Journal of Japan Society on Water Environment |
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| creator | KOMURO, Shunsuke KITAMURA, Tatsumi OOUCHI, Takao MASUNAGA, Eiji ASAOKA, Daiki AYUKAWA, Kazuhiro MIKAMI, Yasuhide SEIKE, Yasushi YUZAWA, Miyuki FUKUSHIMA, Takehiko |
| description | Detailed distributions of oxygen-deficient water were observed using a high-resolution tow-yo instrument, YODA Profiler, in Lake Kitaura to investigate the formation of oxygen-deficient water. The results of observations showed that oxygen-deficient water widely appeared at a depth of deeper than 4 m, and the dissolved oxygen (DO) concentration in deep areas was particularly low. Furthermore, it was suggested that high phosphorus (PO4-P) concentrations were eluted from sediments in areas of oxygen-deficient water. The DO concentration at 10 cm above the lake bottom tended to be lower than that at 50 cm above the lake bottom. The oxygen-deficient water in Lake Kitaura is greatly affected by the water depth, which implies that the ratio of the area of oxygen-deficient water can be inferred by lake bathymetry and observed DO profiles. The area of oxygen-deficient water reached 55.9% at 50 cm above the bottom and 63.2% at 10 cm above the bottom of the total area of Lake Kitaura. |
| doi_str_mv | 10.2965/jswe.44.157 |
| format | Article |
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The results of observations showed that oxygen-deficient water widely appeared at a depth of deeper than 4 m, and the dissolved oxygen (DO) concentration in deep areas was particularly low. Furthermore, it was suggested that high phosphorus (PO4-P) concentrations were eluted from sediments in areas of oxygen-deficient water. The DO concentration at 10 cm above the lake bottom tended to be lower than that at 50 cm above the lake bottom. The oxygen-deficient water in Lake Kitaura is greatly affected by the water depth, which implies that the ratio of the area of oxygen-deficient water can be inferred by lake bathymetry and observed DO profiles. The area of oxygen-deficient water reached 55.9% at 50 cm above the bottom and 63.2% at 10 cm above the bottom of the total area of Lake Kitaura.</description><identifier>ISSN: 0916-8958</identifier><identifier>EISSN: 1881-3690</identifier><identifier>DOI: 10.2965/jswe.44.157</identifier><language>eng ; jpn</language><publisher>Tokyo: Japan Society on Water Environment</publisher><subject>Bathymetry ; Depth of water ; Dissolved oxygen ; Dissolved oxygen concentration in the lake bottom water ; Lake Kitaura ; Lakes ; Oxygen ; Oxygen-deficient water ; Phosphates ; Phosphorus ; Sediments ; Vertical distribution ; Water depth</subject><ispartof>Journal of Japan Society on Water Environment, 2021, Vol.44(5), pp.157-164</ispartof><rights>2021 Japan Society on Water Environment</rights><rights>Copyright Japan Science and Technology Agency 2021</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c1987-76cee06500da3f808f3656bba5148b7294361b21ac1a86952964cc058420af253</citedby><cites>FETCH-LOGICAL-c1987-76cee06500da3f808f3656bba5148b7294361b21ac1a86952964cc058420af253</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,1883,4024,27923,27924,27925</link.rule.ids></links><search><creatorcontrib>KOMURO, Shunsuke</creatorcontrib><creatorcontrib>KITAMURA, Tatsumi</creatorcontrib><creatorcontrib>OOUCHI, Takao</creatorcontrib><creatorcontrib>MASUNAGA, Eiji</creatorcontrib><creatorcontrib>ASAOKA, Daiki</creatorcontrib><creatorcontrib>AYUKAWA, Kazuhiro</creatorcontrib><creatorcontrib>MIKAMI, Yasuhide</creatorcontrib><creatorcontrib>SEIKE, Yasushi</creatorcontrib><creatorcontrib>YUZAWA, Miyuki</creatorcontrib><creatorcontrib>FUKUSHIMA, Takehiko</creatorcontrib><title>Distribution of Oxygen-Deficient Water and Estimation of Its Area in Lake Kitaura</title><title>Journal of Japan Society on Water Environment</title><addtitle>Journal of Japan Society on Water Environment</addtitle><description>Detailed distributions of oxygen-deficient water were observed using a high-resolution tow-yo instrument, YODA Profiler, in Lake Kitaura to investigate the formation of oxygen-deficient water. The results of observations showed that oxygen-deficient water widely appeared at a depth of deeper than 4 m, and the dissolved oxygen (DO) concentration in deep areas was particularly low. Furthermore, it was suggested that high phosphorus (PO4-P) concentrations were eluted from sediments in areas of oxygen-deficient water. The DO concentration at 10 cm above the lake bottom tended to be lower than that at 50 cm above the lake bottom. The oxygen-deficient water in Lake Kitaura is greatly affected by the water depth, which implies that the ratio of the area of oxygen-deficient water can be inferred by lake bathymetry and observed DO profiles. The area of oxygen-deficient water reached 55.9% at 50 cm above the bottom and 63.2% at 10 cm above the bottom of the total area of Lake Kitaura.</description><subject>Bathymetry</subject><subject>Depth of water</subject><subject>Dissolved oxygen</subject><subject>Dissolved oxygen concentration in the lake bottom water</subject><subject>Lake Kitaura</subject><subject>Lakes</subject><subject>Oxygen</subject><subject>Oxygen-deficient water</subject><subject>Phosphates</subject><subject>Phosphorus</subject><subject>Sediments</subject><subject>Vertical distribution</subject><subject>Water depth</subject><issn>0916-8958</issn><issn>1881-3690</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNo90N9LwzAQB_AgCs7pk_9AwEdpTdr86oswtqnDwRAUH8M1S2fqbGeSovvv7djc0z3c5-64L0LXlKRZIfhdHX5sylhKuTxBA6oUTXJRkFM0IAUViSq4OkcXIdSE8ExIOUAvExeid2UXXdvgtsKL3-3KNsnEVs4420T8DtF6DM0ST0N0X_APZzHgkbeAXYPn8Gnxs4vQebhEZxWsg7061CF6e5i-jp-S-eJxNh7NE0MLJRMpjLVEcEKWkFeKqCoXXJQlcMpUKbOC5YKWGQVDQYmC9_8xYwhXLCNQZTwfopv93o1vvzsboq7bzjf9SZ1xqTiVSpFe3e6V8W0I3lZ64_sn_FZToneZ6V1mmjHdZ9br-72uQ4SVPVrw0Zm1PVp-GDg2zAd4bZv8DzzzdLo</recordid><startdate>2021</startdate><enddate>2021</enddate><creator>KOMURO, Shunsuke</creator><creator>KITAMURA, Tatsumi</creator><creator>OOUCHI, Takao</creator><creator>MASUNAGA, Eiji</creator><creator>ASAOKA, Daiki</creator><creator>AYUKAWA, Kazuhiro</creator><creator>MIKAMI, Yasuhide</creator><creator>SEIKE, Yasushi</creator><creator>YUZAWA, Miyuki</creator><creator>FUKUSHIMA, Takehiko</creator><general>Japan Society on Water Environment</general><general>Japan Science and Technology Agency</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QH</scope><scope>7UA</scope><scope>C1K</scope><scope>F1W</scope><scope>H97</scope><scope>L.G</scope></search><sort><creationdate>2021</creationdate><title>Distribution of Oxygen-Deficient Water and Estimation of Its Area in Lake Kitaura</title><author>KOMURO, Shunsuke ; KITAMURA, Tatsumi ; OOUCHI, Takao ; MASUNAGA, Eiji ; ASAOKA, Daiki ; AYUKAWA, Kazuhiro ; MIKAMI, Yasuhide ; SEIKE, Yasushi ; YUZAWA, Miyuki ; FUKUSHIMA, Takehiko</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c1987-76cee06500da3f808f3656bba5148b7294361b21ac1a86952964cc058420af253</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng ; jpn</language><creationdate>2021</creationdate><topic>Bathymetry</topic><topic>Depth of water</topic><topic>Dissolved oxygen</topic><topic>Dissolved oxygen concentration in the lake bottom water</topic><topic>Lake Kitaura</topic><topic>Lakes</topic><topic>Oxygen</topic><topic>Oxygen-deficient water</topic><topic>Phosphates</topic><topic>Phosphorus</topic><topic>Sediments</topic><topic>Vertical distribution</topic><topic>Water depth</topic><toplevel>online_resources</toplevel><creatorcontrib>KOMURO, Shunsuke</creatorcontrib><creatorcontrib>KITAMURA, Tatsumi</creatorcontrib><creatorcontrib>OOUCHI, Takao</creatorcontrib><creatorcontrib>MASUNAGA, Eiji</creatorcontrib><creatorcontrib>ASAOKA, Daiki</creatorcontrib><creatorcontrib>AYUKAWA, Kazuhiro</creatorcontrib><creatorcontrib>MIKAMI, Yasuhide</creatorcontrib><creatorcontrib>SEIKE, Yasushi</creatorcontrib><creatorcontrib>YUZAWA, Miyuki</creatorcontrib><creatorcontrib>FUKUSHIMA, Takehiko</creatorcontrib><collection>CrossRef</collection><collection>Aqualine</collection><collection>Water Resources Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 3: Aquatic Pollution & Environmental Quality</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><jtitle>Journal of Japan Society on Water Environment</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>KOMURO, Shunsuke</au><au>KITAMURA, Tatsumi</au><au>OOUCHI, Takao</au><au>MASUNAGA, Eiji</au><au>ASAOKA, Daiki</au><au>AYUKAWA, Kazuhiro</au><au>MIKAMI, Yasuhide</au><au>SEIKE, Yasushi</au><au>YUZAWA, Miyuki</au><au>FUKUSHIMA, Takehiko</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Distribution of Oxygen-Deficient Water and Estimation of Its Area in Lake Kitaura</atitle><jtitle>Journal of Japan Society on Water Environment</jtitle><addtitle>Journal of Japan Society on Water Environment</addtitle><date>2021</date><risdate>2021</risdate><volume>44</volume><issue>5</issue><spage>157</spage><epage>164</epage><pages>157-164</pages><issn>0916-8958</issn><eissn>1881-3690</eissn><abstract>Detailed distributions of oxygen-deficient water were observed using a high-resolution tow-yo instrument, YODA Profiler, in Lake Kitaura to investigate the formation of oxygen-deficient water. The results of observations showed that oxygen-deficient water widely appeared at a depth of deeper than 4 m, and the dissolved oxygen (DO) concentration in deep areas was particularly low. Furthermore, it was suggested that high phosphorus (PO4-P) concentrations were eluted from sediments in areas of oxygen-deficient water. The DO concentration at 10 cm above the lake bottom tended to be lower than that at 50 cm above the lake bottom. The oxygen-deficient water in Lake Kitaura is greatly affected by the water depth, which implies that the ratio of the area of oxygen-deficient water can be inferred by lake bathymetry and observed DO profiles. The area of oxygen-deficient water reached 55.9% at 50 cm above the bottom and 63.2% at 10 cm above the bottom of the total area of Lake Kitaura.</abstract><cop>Tokyo</cop><pub>Japan Society on Water Environment</pub><doi>10.2965/jswe.44.157</doi><tpages>8</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Bathymetry Depth of water Dissolved oxygen Dissolved oxygen concentration in the lake bottom water Lake Kitaura Lakes Oxygen Oxygen-deficient water Phosphates Phosphorus Sediments Vertical distribution Water depth |
| title | Distribution of Oxygen-Deficient Water and Estimation of Its Area in Lake Kitaura |
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