[논문]퇴적물 트랩을 이용한 해양 탄소 순환 연구 동향: 재부유 퇴적물의 중요성

김민경

doi:10.7850/jkso.2021.26.2.145

[국내논문] 퇴적물 트랩을 이용한 해양 탄소 순환 연구 동향: 재부유 퇴적물의 중요성
Sediment Trap Studies to Understand the Oceanic Carbon Cycling: Significance of Resuspended Sediments 원문보기

바다 : 한국해양학회지 = The sea : the journal of the Korean society of oceanography, v.26 no.2, 2021년, pp.145 - 166

김민경 (한국해양과학기술원 해양환경연구센터)

초록
AI-Helper

지난 수십년 간 퇴적물 트랩은 해양 유기물과 관련된 생물학적 입자들의 수직적 이동인 생물학적 탄소 펌프(BCP: Biological Carbon Pump)를 이해하는 데 중요한 도구들 중 하나로 사용되어 왔다. 이 논문에서는 퇴적물 트랩을 이용한 해양 심층의 탄소 순환 연구 방법과 여러 해역에서의 연구 현황, 그리고 그 중요성에 대하여 고찰하였다. 한편 최근의 연구 중 몇몇은 심층으로 이동된 침강 입자유기탄소(POC: Particulate Organic Carbon)가 이전에 알려졌던 것 보다 더 복잡한 형태이고, 시공간적으로 다양한 기원을 가지고 있음을 밝혔다. 이 논문에서는 특히 침강 입자 중 재부유 퇴적물에 관해 연구한 최신 논문들을 정리하였다. 유기 추적자로 사용한 방사성탄소동위원소(¹⁴C)와 무기적 추적자(Al)를 해양 입자유기탄소 순환을 이해하고 재부유 퇴적물의 중요성을 파악하는 데 있어 어떻게 활용할 수 있을지 기술하였으며, 특히MICADAS (Mini radioCarbon Dating Systems)를 이용한 방사성탄소동위원소 연구의 중요성을 강조하였다.

Abstract ▼ AI-Helper

For several decades, sediment traps have served as one of the key tools for constraining the biological carbon pump (BCP), a process that vertically exports particulate organic carbon (POC) and associated biogenic materials from marine primary production in surface waters to the deep ocean interior. In this paper, I introduced the general methods, the current status of global sediment trap studies, and importance of it to understand the deep ocean carbon cycling. Recent studies suggest that sinking POC in the deep ocean are more complex and spatio-temporally heterogeneous than we considered. Especially researches those studied resuspended and laterally transported particles are presented. Researches that used organic (radiocarbon; 14C) and inorganic (Al) tracers to understand the oceanic POC cycling and the significance of resuspended particles are reviewed, and the importance of radiocarbon study by using MICADAS (Mini radioCarbon Dating Systems) is emphasized.

주제어

표/그림 (7)

그림 Fig. 1. Schematic of the oceanic carbon distribution and sediment trap study. Sinking POC intercepted by sediment traps deployed in the deep ocean may reflect contributions from different sources/processes. Fresh POC shown as green colors and other potential POC sources are shown as gray (aeolian deposit), purple (terrestrial input), brown (lateral transport, resuspended), and red (DOC absorption), respectively.
그림 Fig. 2. Conical sediment trap (McLane PARFLUX Mark 78G; figure courtesy of Minkyoung Kim) (a) with sketch and names of each parts (b), and cylindrical sediment trap (PPS-3/3, Technicap; figure from https://www.technicap.com/products/sediment-trap) (c) with sketch and names of each part (d, redrawn from Heussner et al., 1990). Layout diagrams of mooring line serviced by KOPRI (redrawn from Lee, 2012) is shown and the sediment trap is marked with an arrow (e).
그림 Fig. 3. Locations where sediment traps were deployed (empty circle, redrawn from Kim et al., 2020a). Stations mentioned in this review paper shown in closed circle with station name. Two sites from the Indian Ocean are shown with open boxes, as multiple sampling was done in the locations.
표 Table 1. Global long-term sediment trap mooring locations, water depth, trap depths, sampling periods, and representative references with related projects
그림 Fig. 4. (a) Particle flux (bar) at 3100 m depth and sea ice concentration (line) in the Arctic Canada Basin. (b) Δ¹⁴C (circles) values and lithogenic material (LM) flux (bar) are also shown. Period where marked with orange box shows larger particle flux, larger LM flux, lower (aged) Δ¹⁴C values than in other years (modified from Hwang et al., 2015).
그림 Fig. 5. Schematic of the EA-IRMS-AMS system at ETH Zurich. Samples are combusted in an EA, transferred to IRMS, and the gas is split by IRMS so 10% of the gas used for ¹³C and 90% for ¹⁴C analyses (modified from Ruff et al., 2010; Wacker et al., 2013; McIntyre et al., 2017).
그림 Fig. 6. (a) Plot of Δ¹⁴C values of POC versus aluminum contents in sinking particles samples (modified from Hwang et al., 2010) and (b) plot of Δ¹⁴C values of POC versus the ratio of lithogenic material to POC (LM/POC) for sediment trap samples where both types of data exist (modified from Kim et al., 2020a and data from the South China Sea has been added from Blattmann et al., 2018a).

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표제어: PCR

동의어: Packet Collision Rate

용어 설명 출처 목록 (6)

용어 설명: PCR은 세균 특이성이 있는 primer를 이용하여 적은 수의 세균이 있을지라도 쉽게 검출할 수 있는 유용한 방법이며, 이를 이용하여 구강 내 치면세균막이나 타액에서 직접 세균을 검출할 수 있게 되었다[8].

내보내기 구분	파일저장 인쇄 메일전송
구성항목	기본정보 상세정보 관리번호, 논문명, 저널/프로시딩명, 저자 , 발행년, 권, 호, 시작페이지, 끝페이지, 발행기관 관리번호, 논문명, 대등논문명, 저자 , 저널/프로시딩명, 발행기관, 발행년, 발행언어, 권, 호, 시작페이지, 끝페이지, ISBN, ISSN, 주제분야, 키워드, 초록(한글), 초록(영문), 저자(소속기관)
저장형식	Text(ASCII format) Excel format RefWorks Direct Export RIS format (for Reference Manager, ProCite, EndNote), Scholar's Aids, Mendeley
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

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