Pyrogenic carbon sequestration in Australian soils

澳大利亚土壤的热解碳封存

• 批准号: DP210100881
• 负责人: Prof Michael Bird
• 金额: $ 27.83万
• 依托单位: James Cook University
• 依托单位国家: 澳大利亚
• 项目类别: Discovery Projects
• 财政年份: 2021
• 资助国家: 澳大利亚
• 起止时间: 2021-01-01 至 2023-12-31
• 项目状态: 已结题
• 来源: https://dataportal.arc.gov.au/RGS/Web/Grants/DP210100881
• 关键词: Pyrogenic; carbon; sequestration; Australian; soils

Pyrogenic Carbon ('charcoal') is a poorly understood component of the global carbon cycle, important because it is resistant to degradation and hence has potential soil carbon sequestration benefits. This project applies a new technique (hydrogen pyrolysis), in combination with spectroscopic techniques, to quantify charcoal in a pan-Australian soil sample set, collected using uniform stratified sampling and preparation protocols. This will enable the mapping of soil charcoal stocks in relation to environmental and soil variables across Australia. The results will enable understanding of the controls on charcoal sequestration potential in Australian soils and contribute to efforts to quantify soil charcoal stocks and dynamics globally.

热解碳（“木炭”）是全球碳循环中一个知之甚少的组成部分，重要的是因为它耐降解，因此具有潜在的土壤碳固存效益。该项目采用了一种新技术（氢热解），结合光谱技术，量化木炭在泛澳大利亚土壤样品集，收集使用统一分层取样和制备协议。这将有助于绘制澳大利亚各地与环境和土壤变量有关的土壤木炭储量图。研究结果将有助于了解澳大利亚土壤中碳封存潜力的控制措施，并有助于量化全球土壤碳储量和动态。