Beer, Maxine Alida Martinique (2020) Interannual variability in primary production in the Arctic using EC-Earth climate model. Master's Research Project 1, Marine Biology.
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Abstract
Generally, the climate is not stable. Superimposed on long-term trends are short-term climate variations. Climate variability is the result of natural fluctuations that take place on various time-scales and can amplify or obscure trends in climate change. Similar patterns of variability can be found in algae concentration in the Arctic, but the drivers of this variability have yet to be determined. Changes in climate can influence this algae variability, so to examine the variability in primary production, long-term datasets are needed that do not exhibit long-term trends. Because long-term and complete observational records do not exist, the Earth System Model (ESM) EC-Earth was used. Using this model, a dataset of climate and ocean biochemistry using a pre-industrial climate with constant forcing was generated. Following the results of earlier research, the focus of the analysis was mainly on the interaction between sea ice cover (proxy for light availability), planktonic primary production and nitrate concentration. Based on the results of the pre-industrial model simulation, the extent of the sea ice cover, and hence light availability, was the main factor limiting the growth of algae.
| Item Type: | Thesis (Master's Research Project 1) |
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| Supervisor name: | Bintanja, R. |
| Degree programme: | Marine Biology |
| Thesis type: | Master's Research Project 1 |
| Language: | English |
| Date Deposited: | 20 Oct 2020 07:57 |
| Last Modified: | 20 Oct 2020 07:57 |
| URI: | https://fse.studenttheses.ub.rug.nl/id/eprint/23510 |
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