Communications Earth & Environment (Feb 2022)

The hadal zone is an important and heterogeneous sink of black carbon in the ocean

  • Xi Zhang,
  • Yunping Xu,
  • Wenjie Xiao,
  • Meixun Zhao,
  • Zicheng Wang,
  • Xuchen Wang,
  • Liping Xu,
  • Min Luo,
  • Xinxin Li,
  • Jiasong Fang,
  • Yin Fang,
  • Yasong Wang,
  • Kazumasa Oguri,
  • Frank Wenzhöfer,
  • Ashley A. Rowden,
  • Siddhartha Mitra,
  • Ronnie N. Glud

DOI
https://doi.org/10.1038/s43247-022-00351-7
Journal volume & issue
Vol. 3, no. 1
pp. 1 – 9

Abstract

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Black carbon accumulation rates in hadal trenches in the deepest regions of the oceans could be seven-fold higher than the global ocean average, according to geochemical and isotopic analyses of sediments from six trenches in the Pacific Ocean.