まとめ
赤道太平洋は,赤道太平洋である.
科学分野:
- 海洋学 海洋学 海洋学
- マリン・ケミストリー (海洋化学)
- 生物海洋学 生物海洋学
背景:
- 赤道太平洋は大気中の二酸化炭素の重要な供給源である.
- また,有機炭素を深海に輸出する重要な地域とも考えられています.
研究 の 目的:
- 赤道太平洋の化学および生物学的多様性を調査する.
- この変動性の主要な原動力とその炭素循環への影響を特定する.
主な方法:
- 赤道太平洋 (170°Wから95°W) の化学および生物学的データの分析.
- 遠くの風と熱帯の不安定な波の役割の評価.
主要な成果:
- 遠くの風と熱帯の不安定な波は,化学的および生物学的多様性の主要な原動力である.
- ほとんどの生物学的生産は,リサイクルされた栄養素に依存し,上流栄養素の吸収は最小限です.
- ユーフォティックゾーンにおける効率的な生物循環は,光合成からわずかな炭素の輸出につながります.
- 年間流出量:大気中に約0.3ギガトンのCO2と,深海に微粒子の有機炭素.
- 溶解した有機炭素の生成量は,粒子の流れのおよそ3倍です.
結論:
- エルニーニョ現象は,このシステムの年間変動の主な原因です.
- 世界的な炭素循環における赤道太平洋の役割は複雑で,物理的および生物学的プロセスによって影響を受けます.
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