Intergovernmental Panel on Climate Change (IPCC). Global carbon and other biogeochemical cycles and feedbacks

JG Canadell, PMS Monteiro, MH Costa… - Climate change 2021 …, 2023 - cambridge.org
It is unequivocal that the increases in atmospheric carbon dioxide (CO2), methane (CH4)
and nitrous oxide (N2O) since the pre-industrial period are caused by human activities. The …

Europe (Chapter 13)

B Bednar-Friedl, R Biesbroek, DN Schmidt… - 2022 - pure.iiasa.ac.at
Our current 1.1° C warmer world is already affecting natural and human systems in Europe
(very high confidence1). Since AR5, there has been a substantial increase in detected or …

Enhanced silica export in a future ocean triggers global diatom decline

J Taucher, LT Bach, AEF Prowe, T Boxhammer… - Nature, 2022 - nature.com
Diatoms account for up to 40% of marine primary production, and require silicic acid to grow
and build their opal shell. On the physiological and ecological level, diatoms are thought to …

[HTML][HTML] Assessing the influence of ocean alkalinity enhancement on a coastal phytoplankton community

A Ferderer, Z Chase, F Kennedy, KG Schulz… - …, 2022 - bg.copernicus.org
Ocean alkalinity enhancement (OAE) is a proposed method to counteract climate change by
increasing the alkalinity of the surface ocean and thus the chemical storage capacity of …

Effect of intensity and mode of artificial upwelling on particle flux and carbon export

M Baumann, J Taucher, AJ Paul… - Frontiers in Marine …, 2021 - frontiersin.org
Reduction of anthropogenic CO2 emissions alone will not sufficiently restrict global warming
and enable the 1.5° C goal of the Paris agreement to be met. To effectively counteract …

Seeing through the gray box: an integrated approach to physiological modeling of phytoplankton stoichiometry

CLC Jones, J Camps-Castella, M Smykala… - Frontiers in Ecology …, 2024 - frontiersin.org
The 'black boxes' of ecological stoichiometry, planktonic microbes, have long been
recognized to have considerable effects on global biogeochemical cycles. Significant …

The appendicularian Oikopleura dioica can enhance carbon export in a high CO2 ocean

J Taucher, AK Lechtenbörger, JM Bouquet… - Global Change …, 2024 - Wiley Online Library
Gelatinous zooplankton are increasingly recognized to play a key role in the ocean's
biological carbon pump. Appendicularians, a class of pelagic tunicates, are among the most …

Bacteria and archaea regulate particulate organic matter export in suspended and sinking marine particle fractions

CD Dithugoe, OKI Bezuidt, EL Cavan, WP Froneman… - Msphere, 2023 - Am Soc Microbiol
The biological carbon pump (BCP) in the Southern Ocean is driven by phytoplankton
productivity and is a significant organic matter sink. However, the role of particle-attached …

Microfossil and geochemical records reveal high-productivity paleoenvironments in the Cretaceous Western Interior Seaway during Oceanic Anoxic Event 2

R Bryant, RM Leckie, TJ Bralower, MM Jones… - Palaeogeography …, 2021 - Elsevier
Abstract Oceanic Anoxic Event 2 (OAE2;~ 94.5 Ma) occurred in the latest Cenomanian and
represents a perturbation to the global carbon cycle. The event is geochemically recorded in …

Coastal acidification alters estuarine sediment nitrous oxide and methane fluxes

CI Mazur, RW Fulweiler - Limnology and Oceanography Letters, 2023 - Wiley Online Library
The impact of coastal acidification on sediment nitrous oxide (N2O) and methane (CH4)
fluxes is largely unknown. We exposed temperate estuarine sediments to moderate (pH 7.3) …