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Browsing Greinar- HÍ by Author "Ragnarsdottir, Kristin Vala"
Now showing items 1-4 of 4
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(Springer Science and Business Media LLC, 2018-09-14)Recycling Phosphorus (P) from urban wastewater can secure part of domestic agricultural P supply and contribute to a circular P supply chain. In this paper, we use literature review, stakeholder interviews and analysis, and systems dynamics for the ... -
(Elsevier BV, 2020-09)Phosphorus (P) availability is essential for global food security. A system dynamics model running from 1961 to 2050 was built for this study, linking global P supply to social, economic and environmental dynamics at regional level. Simulation results ...
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(Elsevier BV, 2019-12)The long-term supply sustainability of copper, zinc and lead was assessed. Copper will not run into physcal scarcity in the future, but increased demand and decreased resource quality will cause significant price increases. The copper price is suggested ...
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(Springer Science and Business Media LLC, 2019-09-04)Phosphorus (P) is an essential macronutrient in agriculture; however, lack of reporting makes its supply chain a black box. By using literature synthesis on the P challenge, we identify four areas where the reporting process is problematic: P reserves ...
Now showing items 1-4 of 4