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Estimation of Net Community Production Based on O2/Ar Measurements

O2/Ar 관측에 기반한 순군집생산량 추정 연구 동향

DOSHIK HAHM1
,
INHEE LEE1*
함 도식1
,
이 인희1*
1Department of Oceanography, Pusan National University
1부산대학교 해양학과
*교신저자. *Corresponding Author. 
February 2018. pp. 49-62
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Abstract

순일차생산량과 종속 영양 생물의 호흡량의 차이로 정의되는 순군집생산량(net community production; NCP)은 해양 생물펌프의 척도로 활용되고 있다. 이 논문에서 소개하는 O2/Ar 관측에 기반한 NCP 추정법(O2/Ar-NCP)은 연구선의 이동 중에도 1분 미만의 고빈도로 O2/Ar를 연속적으로 측정할 수 있어, 신생산량 혹은 방출생산량 등 전통적인 생물펌프 척도가 갖는 시간 혹은 공간 해상 도의 제한을 혁신적으로 개선한 것이다. 논문에서는 O2/Ar-NCP 방법의 이론적 배경과 실험 장치의 구성에 대해 설명하였다. 또한 기존 생물펌프 척도와 O2/Ar-NCP의 비교, 대양의 해역별 NCP 분포, 현장 관측 결과와 기계학습을 결합한 전 대양 NCP의 추정, 식 물 플랑크톤 군집 구조와 NCP 연관성 등에 관한 주요 연구 사례들을 소개하였다.

Net community production (NCP), defined as the difference between net primary production and respiration of heterotrophs, has been used as a measure of oceanic biological carbon pump. This paper summarizes the theoretical background and experimental methods for the estimation of NCP based on O2/Ar measurements (O2/Ar-NCP). The high frequency measurements of O2/Ar-NCP (<1 min) is a significant enhancement over the conventional measures of biological pump, such as new production and export production. This paper also introduces some of important works as to the comparison between O2/Ar-NCP and other measures of biological pump, the distributions of O2/Ar-NCP in the oceans, and the correlation of O2/Ar-NCP with various oceanic parameters, including community structures.

Keywords
O2/Ar
Net community production
Biological pump

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Information
  • Publisher :The Korean Society of Oceanography
  • Publisher(Ko) :한국해양학회
  • Journal Title :The Sea Journal of the Korean Society of Oceanography
  • Journal Title(Ko) :한국해양학회지 바다
  • Volume : 23
  • No :1
  • Pages :49-62
  • Received Date : 2017-12-17
  • Revised Date : 2018-01-20
  • Accepted Date : 2018-01-22
  • DOI :https://doi.org/10.7850/jkso.2017.23.1.049
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