Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1029/2019GL085564 |
Stability of Marine Organic Matter Respiration Stoichiometry | |
Tanioka, T.; Matsumoto, K. | |
2020-01-16 | |
发表期刊 | GEOPHYSICAL RESEARCH LETTERS
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ISSN | 0094-8276 |
EISSN | 1944-8007 |
出版年 | 2020 |
卷号 | 47期号:1 |
文章类型 | Article |
语种 | 英语 |
国家 | USA |
英文摘要 | The amount of oxygen consumed during organic matter remineralization critically depends on how much organic carbon is remineralized per unit dissolved oxygen respired (respiratory quotient, RQ) but the global distribution and the mechanisms that control RQ are not well understood. Here we estimate RQ in the surface ocean by using two independent methods, one using satellite-derived macromolecular composition of phytoplankton and another using objectively gridded nutrient data. Both methods yield mean RQ of similar to 0.7 with small spatial variability consistent with previous estimates. This pattern is likely to be a result of phytoplankton protein content universally exceeding those of carbohydrates and lipids. At face value, the relative stability of RQ suggests that the remineralization stoichiometry will not affect the ongoing deoxygenation of the world ocean. However, the possibility remains that RQ may increase in the future (e.g., organic matter becoming more carbohydrate-dominated) and thus ameliorate deoxygenation. |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000513983400054 |
WOS关键词 | C-N-P ; BIOCHEMICAL-COMPOSITION ; REMINERALIZATION RATIOS ; PARTICULATE MATTER ; SEASONAL-CHANGES ; SCALE VARIATIONS ; REDFIELD RATIOS ; NUTRITIVE-VALUE ; OXYGEN-CONTENT ; CARBON |
WOS类目 | Geosciences, Multidisciplinary |
WOS研究方向 | Geology |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/279520 |
专题 | 气候变化 |
作者单位 | Univ Minnesota, Dept Earth & Environm Sci, Minneapolis, MN 55455 USA |
推荐引用方式 GB/T 7714 | Tanioka, T.,Matsumoto, K.. Stability of Marine Organic Matter Respiration Stoichiometry[J]. GEOPHYSICAL RESEARCH LETTERS,2020,47(1). |
APA | Tanioka, T.,&Matsumoto, K..(2020).Stability of Marine Organic Matter Respiration Stoichiometry.GEOPHYSICAL RESEARCH LETTERS,47(1). |
MLA | Tanioka, T.,et al."Stability of Marine Organic Matter Respiration Stoichiometry".GEOPHYSICAL RESEARCH LETTERS 47.1(2020). |
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