Book section Open Access
Teckentrup, Lina
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<subfield code="a"><p><em><strong>Ocean fertilisation for CO2 storage by microalgae:</strong></em> Anthropogenic greenhouse gas emissions are the dominant cause of the observed global warming (IPCC 2021). In 2021, anthropogenic emissions of carbon dioxide were estimated at 11.0 GtC yr-1 (Friedlingsstein et al. 2022). In spite of this, to prevent warming beyond 1.5&deg;C, greenhouse gas emissions need to reach net zero by 2050. However, currently all projected scenarios capable of reaching this goal rely on &sbquo;negative emissions&lsquo; (Rogelj et al. 2018). Negative emissions describe carbon dioxide removal methods that enhance the uptake and sequestration of anthropogenic carbon dioxide. This chapter focuses on ocean fertilisation, a specific concept of carbon sequestration where nutrients are added to the ocean surface with the intent to increase algae productivity and sequester newly generated biomass in the deep sea.</p></subfield>
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<subfield code="b">Wissenschaftliche Auswertungen in Kooperation mit GEO Magazin-Hamburg</subfield>
<subfield code="t">WARNSIGNAL-KLIMA: Hilft Technik gegen die Erderwärmung ? Climate Engineering in der Diskussion</subfield>
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<subfield code="a">Ocean fertilisation, CO2 storage, microalgae, net zero by 2050, carbon dioxide removal, carbon sequestration</subfield>
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<subfield code="a">Ozeandüngung zur CO2-Speicherung durch Mikroalgen</subfield>
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<subfield code="a">Lozán, José L.</subfield>
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