Fayetteville Green Lake, New York, U.S.A.: VIII. Mass balance for 137Cs in water, varved and non-varved sediments
A mass balance for 137Cs was done in Fayetteville Green Lake. 43% of total 137Cs input was found in shallow-water (0–18 m) sediments, 16% was found in deep-water varved sediments, > 9% was found in the water column, and ∼ 32% remained to be carried away by lake outflow. Shallow-water sedimentary...
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| Veröffentlicht in: | Chemical geology 1984, Vol.44 (1), p.101-117 |
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| container_title | Chemical geology |
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| creator | Brunskill, G.J. Ludlam, S.D. Peng, T.-H. |
| description | A mass balance for
137Cs was done in Fayetteville Green Lake. 43% of total
137Cs input was found in shallow-water (0–18 m) sediments, 16% was found in deep-water varved sediments, > 9% was found in the water column, and ∼ 32% remained to be carried away by lake outflow. Shallow-water sedimentary
137Cs must be resuspended and/or dissolved to maintain current levels of
137Cs in the water column, and current fluxes of
137Cs to deep-water varved sediments.
137Cs activities in individual varve-year samples from 1946 to 1976 followed closely the pattern of published bomb-fallout records, but the varves contained only 28–34% of cumulative unit-area fallout for this area. In order to preserve the yearly record of
137Cs sedimentation, the pore-water diffusion coefficient for
137Cs must be < 5 · 10
−11 cm
2 s
−1. Bioturbation and physical mixing of these sediments does not occur.
Some of the cores of shallow-water sediments accumulated
137Cs in amounts greater than was supplied by fallout to the lake surface area. This may be due to: (1) horizontal transport of surface-water
137Cs to shallow-water sediments for direct absorption; (2) bioconcentration by benthic algae and mosses, or (3) localized “funnelling” of sediments. |
| doi_str_mv | 10.1016/0009-2541(84)90069-X |
| format | Article |
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137Cs was done in Fayetteville Green Lake. 43% of total
137Cs input was found in shallow-water (0–18 m) sediments, 16% was found in deep-water varved sediments, > 9% was found in the water column, and ∼ 32% remained to be carried away by lake outflow. Shallow-water sedimentary
137Cs must be resuspended and/or dissolved to maintain current levels of
137Cs in the water column, and current fluxes of
137Cs to deep-water varved sediments.
137Cs activities in individual varve-year samples from 1946 to 1976 followed closely the pattern of published bomb-fallout records, but the varves contained only 28–34% of cumulative unit-area fallout for this area. In order to preserve the yearly record of
137Cs sedimentation, the pore-water diffusion coefficient for
137Cs must be < 5 · 10
−11 cm
2 s
−1. Bioturbation and physical mixing of these sediments does not occur.
Some of the cores of shallow-water sediments accumulated
137Cs in amounts greater than was supplied by fallout to the lake surface area. This may be due to: (1) horizontal transport of surface-water
137Cs to shallow-water sediments for direct absorption; (2) bioconcentration by benthic algae and mosses, or (3) localized “funnelling” of sediments.</description><identifier>ISSN: 0009-2541</identifier><identifier>EISSN: 1872-6836</identifier><identifier>DOI: 10.1016/0009-2541(84)90069-X</identifier><identifier>CODEN: CHGEAD</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Earth sciences ; Earth, ocean, space ; Exact sciences and technology ; Isotope geochemistry ; Isotope geochemistry. Geochronology</subject><ispartof>Chemical geology, 1984, Vol.44 (1), p.101-117</ispartof><rights>1984</rights><rights>1984 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/0009-2541(84)90069-X$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,777,781,3537,4010,27904,27905,27906,45976</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=9564724$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Brunskill, G.J.</creatorcontrib><creatorcontrib>Ludlam, S.D.</creatorcontrib><creatorcontrib>Peng, T.-H.</creatorcontrib><title>Fayetteville Green Lake, New York, U.S.A.: VIII. Mass balance for 137Cs in water, varved and non-varved sediments</title><title>Chemical geology</title><description>A mass balance for
137Cs was done in Fayetteville Green Lake. 43% of total
137Cs input was found in shallow-water (0–18 m) sediments, 16% was found in deep-water varved sediments, > 9% was found in the water column, and ∼ 32% remained to be carried away by lake outflow. Shallow-water sedimentary
137Cs must be resuspended and/or dissolved to maintain current levels of
137Cs in the water column, and current fluxes of
137Cs to deep-water varved sediments.
137Cs activities in individual varve-year samples from 1946 to 1976 followed closely the pattern of published bomb-fallout records, but the varves contained only 28–34% of cumulative unit-area fallout for this area. In order to preserve the yearly record of
137Cs sedimentation, the pore-water diffusion coefficient for
137Cs must be < 5 · 10
−11 cm
2 s
−1. Bioturbation and physical mixing of these sediments does not occur.
Some of the cores of shallow-water sediments accumulated
137Cs in amounts greater than was supplied by fallout to the lake surface area. This may be due to: (1) horizontal transport of surface-water
137Cs to shallow-water sediments for direct absorption; (2) bioconcentration by benthic algae and mosses, or (3) localized “funnelling” of sediments.</description><subject>Earth sciences</subject><subject>Earth, ocean, space</subject><subject>Exact sciences and technology</subject><subject>Isotope geochemistry</subject><subject>Isotope geochemistry. Geochronology</subject><issn>0009-2541</issn><issn>1872-6836</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1984</creationdate><recordtype>article</recordtype><recordid>eNo9kUtLAzEQx4MoWB_fwEMOIgrdNZNs9uFBKMVHoepBK_UUsruzELvdbZNtpd_e1BaZwzDwY_g_CLkAFgKD-JYxlgVcRnCdRjcZY3EWTA9ID9KEB3Eq4kPS-0eOyYlz3_4EIWWPLB_1BrsO16aukT5ZxIaO9Qz79BV_6FdrZ306Cd_DQXhHP0ejUUhftHM017VuCqRVaymIZOioaeiP7tD26VrbNZZUNyVt2ibYnw5LM8emc2fkqNK1w_P9PiWTx4eP4XMwfnsaDQfjAAFkHFSYc4mIErMqK5ksJSR5UfGMQ4UaBGecQ5qXCUchRAZ5IRMRA_e2ilQIKU7J1e7vwrbLFbpOzY0rsPbCsV05BSL1w2MPXu5B7QpdV9Y7M04trJlru1GZjKOERx6732HoRa8NWuUKgz6E0lgsOlW2RgFT20LUNm21TVulkforRE3FLz4xe4s</recordid><startdate>1984</startdate><enddate>1984</enddate><creator>Brunskill, G.J.</creator><creator>Ludlam, S.D.</creator><creator>Peng, T.-H.</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>7QH</scope></search><sort><creationdate>1984</creationdate><title>Fayetteville Green Lake, New York, U.S.A.: VIII. Mass balance for 137Cs in water, varved and non-varved sediments</title><author>Brunskill, G.J. ; Ludlam, S.D. ; Peng, T.-H.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-e1156-feb25eee5e9f9d05d517bcf2921fea13202218bd72e33391bc573612135c83353</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1984</creationdate><topic>Earth sciences</topic><topic>Earth, ocean, space</topic><topic>Exact sciences and technology</topic><topic>Isotope geochemistry</topic><topic>Isotope geochemistry. Geochronology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Brunskill, G.J.</creatorcontrib><creatorcontrib>Ludlam, S.D.</creatorcontrib><creatorcontrib>Peng, T.-H.</creatorcontrib><collection>Pascal-Francis</collection><collection>Aqualine</collection><jtitle>Chemical geology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Brunskill, G.J.</au><au>Ludlam, S.D.</au><au>Peng, T.-H.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Fayetteville Green Lake, New York, U.S.A.: VIII. Mass balance for 137Cs in water, varved and non-varved sediments</atitle><jtitle>Chemical geology</jtitle><date>1984</date><risdate>1984</risdate><volume>44</volume><issue>1</issue><spage>101</spage><epage>117</epage><pages>101-117</pages><issn>0009-2541</issn><eissn>1872-6836</eissn><coden>CHGEAD</coden><abstract>A mass balance for
137Cs was done in Fayetteville Green Lake. 43% of total
137Cs input was found in shallow-water (0–18 m) sediments, 16% was found in deep-water varved sediments, > 9% was found in the water column, and ∼ 32% remained to be carried away by lake outflow. Shallow-water sedimentary
137Cs must be resuspended and/or dissolved to maintain current levels of
137Cs in the water column, and current fluxes of
137Cs to deep-water varved sediments.
137Cs activities in individual varve-year samples from 1946 to 1976 followed closely the pattern of published bomb-fallout records, but the varves contained only 28–34% of cumulative unit-area fallout for this area. In order to preserve the yearly record of
137Cs sedimentation, the pore-water diffusion coefficient for
137Cs must be < 5 · 10
−11 cm
2 s
−1. Bioturbation and physical mixing of these sediments does not occur.
Some of the cores of shallow-water sediments accumulated
137Cs in amounts greater than was supplied by fallout to the lake surface area. This may be due to: (1) horizontal transport of surface-water
137Cs to shallow-water sediments for direct absorption; (2) bioconcentration by benthic algae and mosses, or (3) localized “funnelling” of sediments.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/0009-2541(84)90069-X</doi><tpages>17</tpages></addata></record> |
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| ispartof | Chemical geology, 1984, Vol.44 (1), p.101-117 |
| issn | 0009-2541 1872-6836 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_13838326 |
| source | Elsevier ScienceDirect Journals |
| subjects | Earth sciences Earth, ocean, space Exact sciences and technology Isotope geochemistry Isotope geochemistry. Geochronology |
| title | Fayetteville Green Lake, New York, U.S.A.: VIII. Mass balance for 137Cs in water, varved and non-varved sediments |
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