碳酸盐补偿深度

求闻百科,共笔求闻

碳酸盐补偿深度(英语:carbonate compensation depth)是指海洋中碳酸钙输入海底的补给速率与溶解速率相等的深度面,也是海底含碳酸盐的沉积和非碳酸盐沉积之间的岩相界面[1][2]。海水表层碳酸钙是饱和的,随着水深的增大,水压增高,水温降低,海水中的二氧化碳含量增高,碳酸钙溶解度增大,在碳酸盐补偿深度溶解量与补给量相抵平衡[3][4]

参考文献

  1. Thurman, Harold., Alan Trujillo. Introductory Oceanography.2004.p151-152
  2. Broecker, W. S. (2003), Holland, Heinrich D.; Turekian, Karl K. (eds.), "6.19 - The Oceanic CaCO3 Cycle", Treatise on Geochemistry, Pergamon, pp. 529–549, doi:10.1016/b0-08-043751-6/06119-3, ISBN 9780080437514, retrieved 2019-10-17
  3. Sigman, D. M.; Boyle, E. A. (2000). "Glacial/interglacial variations in atmospheric carbon dioxide". Nature. 407 (6806): 859–869. Bibcode:2000Natur.407..859S. doi:10.1038/35038000. ISSN 1476-4687. PMID 11057657. S2CID 7136822
  4. Berger, Wolfgang H.; et al. (2016). "Calcite Compensation Depth (CCD)". Encyclopedia of Marine Geosciences. Encyclopedia of Earth Sciences Series. Springer Netherlands. pp. 71–73. doi:10.1007/978-94-007-6238-1_47. ISBN 978-94-007-6238-1