Tag

Earth System Model

All articles tagged with #earth system model

science2 years ago•4 min saved

The Impact of Phytoplankton Physiology on Global Climate

A new study explores the relationship between phytoplankton physiology and global climate. Phytoplankton, tiny photosynthetic organisms in the ocean, play a crucial role in the global carbon cycle. Variations in phytoplankton physiology, particularly nutrient uptake, can impact the chemical composition of the ocean and atmosphere, potentially affecting global climate. The study emphasizes the importance of variable stoichiometry of phytoplankton for regulating dissolved oceanic nutrient ratios and highlights marine oxygen levels as a critical regulator in the Earth system. Understanding these connections could help scientists make more accurate predictions about the future of ecosystems and climate.

via Phys.org|

#earth-system-model #global-climate #marine-biogeochemistry

earth-and-environment2 years ago•1 min saved

The Role of Ocean Skin in Carbon Uptake

The ocean skin, the thin uppermost layer of the ocean, plays a significant role in regulating carbon uptake and the global ocean carbon sink, according to a study. Researchers used an Earth system model to assess the impact of ocean skin on carbon absorption and found that including it led to a 15% increase in the simulated ocean carbon sink. However, when the dynamic response of the ocean skin to changing carbon concentrations was considered, its contribution to the sink was reduced to around 5%. The study highlights the importance of including the ocean skin in climate and carbon modeling efforts for more accurate predictions of carbon dioxide flux.

via Phys.org|

#carbon-cycle #carbon-uptake #climate-change