Physical, technical, and economic accessibility of resources and reserves need to be distinguished by grade: Application to the case of phosphorus
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- 作者：Nathaniel P. Springer sprin126@umn.edu" class="auth_mail" title="E-mail the corresponding author
- 关键词：Phosphorus ; Resource scarcity ; Reserves ; Technological choice ; Sustainability ; Comparative advantage
- 刊名：Science of the Total Environment
- 出版年：2017
- 出版时间：15 January 2017
- 年：2017
- 卷：577
- 期：Complete
- 页码：319-328
- 全文大小：854 K
文摘
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An input-output framework systematizes the physical, technical, and economic availability of resource stocks and flows
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Global phosphate ore resources are distinguished from produced phosphorus concentrate
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Global potential reserves with existing technologies are a fraction of known resources
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Four illustrative scenarios show how reserves can vary with technical and economic changes
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Improved data reporting and additional scenario analysis will enhance sustainable phosphorus knowledge