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<p>Polymetallic nodules, hereinafter referred to as PN, enriched with Co, Ni, Mn, and Cu, are likely to be commercially mined in the near future. These metals in PN are potential strategic alternatives for the world’s energy transition. Therefore, intensive studies are necessary on the spatial distribution patterns of PN in the deep sea. In this study, the distribution probabilities of PN in the Pacific, Indian and Atlantic oceans were estimated based on binary logistic regression of PN occurrence with ore-controlling factors including water depth (WD), marine sediment thickness (SedTh), Calcium carbonate (CaCO<sub>3</sub>) concentrations in surface sediments, primary productivity (PP), near bottom current velocities (BC). Furthermore, the distribution probability of PN was constrained by seafloor ages and PN sites, and subsequently, the prospects for nodules in the Pacific, Indian and Atlantic oceans were obtained. The results indicate that the low-latitude Pacific region (30°N–30°S), particularly the Clarion-Clipperton Zone and the Penrhyn Basin, is the most promising area for PN exploration.</p>

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Prediction on the distribution of polymetallic nodules in the deep oceans

  • 期刊论文

  • 发表日期：

    2025年7月1日

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  • Ying Liu,
  • Xiangwen Ren,
  • Shijuan Yan,
  • Xuefa Shi,
  • Mengmeng Yan

摘要

Polymetallic nodules, hereinafter referred to as PN, enriched with Co, Ni, Mn, and Cu, are likely to be commercially mined in the near future. These metals in PN are potential strategic alternatives for the world’s energy transition. Therefore, intensive studies are necessary on the spatial distribution patterns of PN in the deep sea. In this study, the distribution probabilities of PN in the Pacific, Indian and Atlantic oceans were estimated based on binary logistic regression of PN occurrence with ore-controlling factors including water depth (WD), marine sediment thickness (SedTh), Calcium carbonate (CaCO3) concentrations in surface sediments, primary productivity (PP), near bottom current velocities (BC). Furthermore, the distribution probability of PN was constrained by seafloor ages and PN sites, and subsequently, the prospects for nodules in the Pacific, Indian and Atlantic oceans were obtained. The results indicate that the low-latitude Pacific region (30°N–30°S), particularly the Clarion-Clipperton Zone and the Penrhyn Basin, is the most promising area for PN exploration.