benefiting from the developments. Find out more Sea Climate Arctic Antarctic North Sea Ocean Acidification Our planet’s oceans absorb tremendous amounts of carbon dioxide. Instead of causing atmospheric temperatures [...] planet. Find out more Ice Climate Sea Arctic Antarctic Sea Ice Broad expanses of the Arctic Ocean and the Southern Ocean in the Antarctic are covered in sea ice. The ice plays a vital role in our climate system [...] greenhouse gas dissolves in the water. But this service provided by the oceans comes at a price. The more greenhouse gas the oceans remove from the atmosphere, the more acidic their waters become. Find out

with cryoprobe. Discover more A view inside – a fish in the NMR Integrative Ecophysiology Ocean Acidification [...] broad range of scientific questions,” says Christian Bock, “for example, how the warming and acidification of waters in the Arctic due to climate change will affect those animals that are perfectly adapted

first coined the term “ocean acidification”. Bleached Acropora (Photo: Alfred Wegener Institut) How bad has the acidification become? The amount of carbonic acid in the ocean varies from region to region [...] will actually benefit from the new conditions? How can ocean acidification affect human beings and economies? How can we combat ocean acidification? To FAQ element Are some regions affected more than others [...] Ocean Acidification In the era of climate change, our planet’s oceans provide an invaluable service: they absorb tremendous amounts of carbon dioxide, at least temporarily putting it out of action. Instead

biologist and scientific director of the IPCC Working Group II Technical Support Unit. IPCC Ocean acidification At regular intervals, the International Panel on Climate Change is faced with a mammoth task

coccolithophores and their responses to changes in carbonate chemistry (end of the 90’s, the term ocean acidification did not yet exist). Even though my work has often been motivated by biogeochemical questions [...] and where nutrients and CO 2 are distributed in the ocean, which has implications for primary and bacterial production and CO 2 uptake by the ocean. In order to understand how such biogeochemical cycles [...] and carbonate chemistry parameters in the Fram Strait and the Central Arctic Ocean. To monitor such parameters in the ocean, it is common practice to analyze discrete water samples obtained e.g. by rosette

any other oceanic region of the planet and its sea-ice cover is declining faster than models predict. Due to changes in sea-ice cover and stratification, the productivity in the Arctic Ocean may transition [...] predominantly light-controlled to being more nutrient-controlled. Also, the phenomenon of ocean acidification is most pronounced in the Arctic due to the higher solubility of CO 2 at low temperatures as [...] lower alkalinity. To elucidate potential synergistic or antagonistic interactions between ocean warming, acidification or altered light and nutrient availability, we apply multi-factorial incubation matrices

factors such as warming, nutrient deficiency or ocean acidification, by focusing on one of the most sensitive areas on Earth, the subarctic and Arctic Ocean. Thereby, we contribute to the Helmholtz research [...] CO 2 is taken up by the ocean, concentrations of CO2 and bicarbonate increase while the concentration of carbonate ions and the pH decrease, also known as 'Ocean Acidification'. Just like warming, also [...] greenhouse gas, rising CO 2 causes ocean warming: temperatures of the surface waters have already increased by 1.1°C on average, while some regions like the Arctic Ocean changing fastest (IPCC 2022). The

www.whoi.edu/know-your-ocean/ocean-topics/how-the-ocean-works/ocean-circulation/currents-gyres-eddies/ www.whoi.edu/know-your-ocean/ocean-topics/how-the-ocean-works/ocean-circulation/currents-g [...] the Atmosphere and Ocean, 2022. [12] Woods Hole Oceanographic Institution. Currents, Gyres, & Ed- dies. www.whoi.edu/know-your-ocean/ocean-topics/ how-the-ocean-works/ocean-circulation/current [...] phe- nomenon known as ocean acidification. Given the purpose of this work, a more comprehensive overview of the processes involved in carbon uptake, export, and burial within the ocean will be provided. These

Polar and Marine Research, have discovered in a recent study that Ocean Acidification can negatively affect diatoms of the southern polar ocean. In laboratory experiments, they observed that diatoms under [...] deep ocean. Thus, the CO 2 is removed from the global carbon cycle for a couple of thousand years. Dr. Sebastian Rokitta has explored during the past three years how the advancing Ocean Acidification affects [...] Helmholtz-PhD Awards who have been awarded for the very first time this year. Consequences of Ocean Acidification for calcareous algae (Youtube, 17.4.2013) The calcareous microalga Emiliania huxlyei is distributed

ankton, Karakuş et al., 2022 ), and to include the sensitivity of phytoplankton growth to ocean acidification ( Seifert et al., 2022 ). Main REcoM references (chronological order): •[3 phytoplankton functional [...] M., Hagen, W., Hauck, J., 2022. The Role of Zooplankton Grazing and Nutrient Recycling for Global Ocean Biogeochemistry and Phytoplankton Phenology. JGR Biogeosciences 127. doi.org/10.1029/2022JG006798 [...] Resplandy, L., Rödenbeck, C., Schwinger, J., Séférian, R., 2020. Consistency and Challenges in the Ocean Carbon Sink Estimate for the Global Carbon Budget. Front. Mar. Sci. 7, 571720. doi.org/10