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首页> 美国政府科技报告 >Multiple measurement of the coupling between benthic carbon fluxes and bioturbation activity during the Spring bloom. Progress report, 1993
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Multiple measurement of the coupling between benthic carbon fluxes and bioturbation activity during the Spring bloom. Progress report, 1993

机译：春季开花期间底栖碳通量与生物扰动活动之间耦合的多重测量。进展报告，1993年

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The primary purposes of the PULSE project were the examination of benthic biogeochemical response to pulsed inputs (nonsteady state) of organic matter and biogenic debris in shelf-depth environments, and evaluation of coherence between different possible tracers of benthic biogeochemical processes during such inputs. In order to accomplish these, we established a single experimental site (14m depth) in central Long Island Sound and followed the input and fate of biogenic debris from the annual Spring phytoplankton bloom within the bottom sediment. The timing of the bloom was documented by sampling surface water properties every few days from the Port Jefferson Bridgeport Ferry. In addition, a total of 12 bottom sampling cruises were made, 11 from Dec. 1992 to June 93 and once during Nov 93. Although the study emphasis was on relatively rapid processes in surface sediments, during Nov 93, a (approximately) 3m long Kasten core was also obtained to provide information on the translation of interface processes into the sedimentary record.

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