+EU: Phosphorus Diagenesis and Burial in Marine Sediments

这是对海洋沉积物中磷的成岩作用的研究。固体形态磷的分布将在黑海、赤道大西洋深海和塞内加尔近海大陆架的样品中确定。实验室实验将确定溶解的镁(2)和碳酸盐离子对碳酸盐氟磷灰石成核和晶体生长的影响。不同潜在播种剂(方解石、鱼骨、细菌垫材料、生物硅等)的效果对碳酸盐氟磷灰石的沉淀将在实验室进行测试。然后，根据首席研究员的所有过去和现在的数据，将建立一个新的海洋除磷预算。

This is a study of phosphorus diagenesis in marine sediments. The distribution of solid forms of phosphorus will be determined in samples from the Black Sea, the deep equatorial Atlantic, and the continental shelf off Senegal. Laboratory experiments will be conducted to determine the effects of dissolved magnesium (+2) and the carbonate ion on the nucleation and crystal growth of carbonate fluorapatite. The efficacy of different potential seeding agents (calcite, fish bones, bacterial mat material, biogenic silica, etc.) on carbonate fluorapatite precipitation will be tested in the laboratory. Then, based on all the principal investigator's past and present data, a new budget for phosphorus removal from the oceans will be constructed.