MECHANISM OF THE OCCURRENCE OF HYPOXIA IN HYPOLIMNION OF A RESERVOIR
In the Sengari Reservoir, algal blooms and hypoxia often occur adjacent to water surface and close to the bottom, respectively, due to stratification. Algal blooms may lead to musty smelling and tasting water. Therefore, it is needed to clarify the influence of stratification on water quality in the...
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| Veröffentlicht in: | Doboku Gakkai Ronbunshu. B1, Suikogaku = Journal of Japan Society of Civil Engineers. Ser. B1, Hydraulic Engineering Ser. B1 (Hydraulic Engineering), 2018, Vol.74(5), pp.I_535-I_540 |
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| container_issue | 5 |
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| container_title | Doboku Gakkai Ronbunshu. B1, Suikogaku = Journal of Japan Society of Civil Engineers. Ser. B1, Hydraulic Engineering |
| container_volume | 74 |
| creator | YAMAMOTO, Konosuke NAKAYAMA, Keisuke FUJII, Tomoyasu FUJIWARA, Tateki KOBAYASHI, Kenichiro SHIMIZU, Taketoshi |
| description | In the Sengari Reservoir, algal blooms and hypoxia often occur adjacent to water surface and close to the bottom, respectively, due to stratification. Algal blooms may lead to musty smelling and tasting water. Therefore, it is needed to clarify the influence of stratification on water quality in the Sengari Reservoir. Field observations were carried out to understand the seasonal changes in stratification and dissolved oxygen in 2016. A three-dimensional environmental computational model was applied to clarify the mechanisms of the occurrence of hypoxia. It was revealed that a middle-layer aeration system plays a great role in the recovery from hypoxia in the Sengari Reservoir. |
| doi_str_mv | 10.2208/jscejhe.74.5_I_535 |
| format | Article |
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Algal blooms may lead to musty smelling and tasting water. Therefore, it is needed to clarify the influence of stratification on water quality in the Sengari Reservoir. Field observations were carried out to understand the seasonal changes in stratification and dissolved oxygen in 2016. A three-dimensional environmental computational model was applied to clarify the mechanisms of the occurrence of hypoxia. It was revealed that a middle-layer aeration system plays a great role in the recovery from hypoxia in the Sengari Reservoir.</description><identifier>ISSN: 2185-467X</identifier><identifier>EISSN: 2185-467X</identifier><identifier>DOI: 10.2208/jscejhe.74.5_I_535</identifier><language>eng ; jpn</language><publisher>Tokyo: Japan Society of Civil Engineers</publisher><subject>3D hydrodynamic model ; Aeration ; Algae ; Algal blooms ; Computer applications ; disolved oxygen ; Dissolved oxygen ; Eutrophication ; Hypolimnion ; Hypoxia ; reservoir ; Reservoirs ; Seasonal variation ; Seasonal variations ; Stratification ; Three dimensional models ; Water quality ; Water stratification</subject><ispartof>Journal of Japan Society of Civil Engineers, Ser. 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It was revealed that a middle-layer aeration system plays a great role in the recovery from hypoxia in the Sengari Reservoir.</description><subject>3D hydrodynamic model</subject><subject>Aeration</subject><subject>Algae</subject><subject>Algal blooms</subject><subject>Computer applications</subject><subject>disolved oxygen</subject><subject>Dissolved oxygen</subject><subject>Eutrophication</subject><subject>Hypolimnion</subject><subject>Hypoxia</subject><subject>reservoir</subject><subject>Reservoirs</subject><subject>Seasonal variation</subject><subject>Seasonal variations</subject><subject>Stratification</subject><subject>Three dimensional models</subject><subject>Water quality</subject><subject>Water stratification</subject><issn>2185-467X</issn><issn>2185-467X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNpVkMtuwjAQRa2qlYooP9BVpK5DbU-cOMsoDY0lSKoAFV1ZediFiAK1YdG_b3gItZuZ0dx7ZqSL0CPBQ0oxf25trdqlGgbekEkhGbAb1KOEM9fzg8Xtn_keDaxdVRj7jFMA0kMvkyROo0xMJ04-cmZp4uRxPC-KJIuT4yb9eMsXInJEdhrHYpKJPDsqkVMk06R4z0XxgO50ubZqcOl9NB8lszh1x_mriKOxWxMggdtoQnGgALjnkaYiTJeqpAz8xlNMaUV9zIkPKuQs1EGFAcKqAfB0A4zWmkEfPZ3v7sz2-6DsXrbbg9l0LyUFSvww5DzoXPTsqs3WWqO03JnVV2l-JMHyGJi8BCYDT14C66D4DLV2X36qK1Ka_apeq_9IV07UVa2XpZFqA787SHIf</recordid><startdate>2018</startdate><enddate>2018</enddate><creator>YAMAMOTO, Konosuke</creator><creator>NAKAYAMA, Keisuke</creator><creator>FUJII, Tomoyasu</creator><creator>FUJIWARA, Tateki</creator><creator>KOBAYASHI, Kenichiro</creator><creator>SHIMIZU, Taketoshi</creator><general>Japan Society of Civil Engineers</general><general>Japan Science and Technology Agency</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QH</scope><scope>7UA</scope><scope>8FD</scope><scope>C1K</scope><scope>F1W</scope><scope>FR3</scope><scope>H96</scope><scope>KR7</scope><scope>L.G</scope></search><sort><creationdate>2018</creationdate><title>MECHANISM OF THE OCCURRENCE OF HYPOXIA IN HYPOLIMNION OF A RESERVOIR</title><author>YAMAMOTO, Konosuke ; NAKAYAMA, Keisuke ; FUJII, Tomoyasu ; FUJIWARA, Tateki ; KOBAYASHI, Kenichiro ; SHIMIZU, Taketoshi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c1317-df1207e338441db15faea2536d4e5efe2608163e9859f7b0339bd334fd352cf53</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng ; jpn</language><creationdate>2018</creationdate><topic>3D hydrodynamic model</topic><topic>Aeration</topic><topic>Algae</topic><topic>Algal blooms</topic><topic>Computer applications</topic><topic>disolved oxygen</topic><topic>Dissolved oxygen</topic><topic>Eutrophication</topic><topic>Hypolimnion</topic><topic>Hypoxia</topic><topic>reservoir</topic><topic>Reservoirs</topic><topic>Seasonal variation</topic><topic>Seasonal variations</topic><topic>Stratification</topic><topic>Three dimensional models</topic><topic>Water quality</topic><topic>Water stratification</topic><toplevel>online_resources</toplevel><creatorcontrib>YAMAMOTO, Konosuke</creatorcontrib><creatorcontrib>NAKAYAMA, Keisuke</creatorcontrib><creatorcontrib>FUJII, Tomoyasu</creatorcontrib><creatorcontrib>FUJIWARA, Tateki</creatorcontrib><creatorcontrib>KOBAYASHI, Kenichiro</creatorcontrib><creatorcontrib>SHIMIZU, Taketoshi</creatorcontrib><collection>CrossRef</collection><collection>Aqualine</collection><collection>Water Resources Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Engineering Research Database</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>Civil Engineering Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><jtitle>Doboku Gakkai Ronbunshu. B1, Suikogaku = Journal of Japan Society of Civil Engineers. Ser. B1, Hydraulic Engineering</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>YAMAMOTO, Konosuke</au><au>NAKAYAMA, Keisuke</au><au>FUJII, Tomoyasu</au><au>FUJIWARA, Tateki</au><au>KOBAYASHI, Kenichiro</au><au>SHIMIZU, Taketoshi</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>MECHANISM OF THE OCCURRENCE OF HYPOXIA IN HYPOLIMNION OF A RESERVOIR</atitle><jtitle>Doboku Gakkai Ronbunshu. B1, Suikogaku = Journal of Japan Society of Civil Engineers. Ser. B1, Hydraulic Engineering</jtitle><addtitle>J. JSCE, Ser. B1</addtitle><date>2018</date><risdate>2018</risdate><volume>74</volume><issue>5</issue><spage>I_535</spage><epage>I_540</epage><pages>I_535-I_540</pages><issn>2185-467X</issn><eissn>2185-467X</eissn><abstract>In the Sengari Reservoir, algal blooms and hypoxia often occur adjacent to water surface and close to the bottom, respectively, due to stratification. Algal blooms may lead to musty smelling and tasting water. Therefore, it is needed to clarify the influence of stratification on water quality in the Sengari Reservoir. Field observations were carried out to understand the seasonal changes in stratification and dissolved oxygen in 2016. A three-dimensional environmental computational model was applied to clarify the mechanisms of the occurrence of hypoxia. It was revealed that a middle-layer aeration system plays a great role in the recovery from hypoxia in the Sengari Reservoir.</abstract><cop>Tokyo</cop><pub>Japan Society of Civil Engineers</pub><doi>10.2208/jscejhe.74.5_I_535</doi></addata></record> |
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| ispartof | Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering), 2018, Vol.74(5), pp.I_535-I_540 |
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| language | eng ; jpn |
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| source | Alma/SFX Local Collection |
| subjects | 3D hydrodynamic model Aeration Algae Algal blooms Computer applications disolved oxygen Dissolved oxygen Eutrophication Hypolimnion Hypoxia reservoir Reservoirs Seasonal variation Seasonal variations Stratification Three dimensional models Water quality Water stratification |
| title | MECHANISM OF THE OCCURRENCE OF HYPOXIA IN HYPOLIMNION OF A RESERVOIR |
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