Fossil coccolith morphological attributes as a new proxy for deep ocean carbonate chemistry
Understanding the variations in past ocean carbonate chemistry is critical to elucidating the
role of the oceans in balancing the global carbon cycle. The fossil shells from marine …
role of the oceans in balancing the global carbon cycle. The fossil shells from marine …
A comparison of methods for estimating coccolith mass
CR Valença, L Beaufort, GM Hallegraeff… - …, 2024 - bg.copernicus.org
The fossil record of coccolithophores dates back approximately 225 million years, and the
production of their calcite platelets (coccoliths) contributes to the global carbon cycle over …
production of their calcite platelets (coccoliths) contributes to the global carbon cycle over …
[HTML][HTML] Coccolith dissolution versus productivity changes during the Plio-Pleistocene (3.14–1.80 MA) in the South Atlantic (ODP site 1090)
Calcareous nannofossil assemblages and fragmentation ratios of two coccolithophore
species (Coccolithus pelagicus and Calcidiscus leptoporus) were analysed in samples from …
species (Coccolithus pelagicus and Calcidiscus leptoporus) were analysed in samples from …
[HTML][HTML] Distribution of coccoliths in surface sediments across the Drake Passage and calcification of Emiliania huxleyi morphotypes
Abstract The Southern Ocean is experiencing rapid and profound changes in its physical
and biogeochemical properties that may influence the distribution and composition of …
and biogeochemical properties that may influence the distribution and composition of …
Coccolithophore paleoproductivity since the Last Glacial Maximum in the Atlantic Ocean: Relationship with calcification and preservation variability
Paleoproductivity, calcification and preservation patterns are presented from calcareous
nannoplankton paleo-assemblages records covering the last∼ 25 kyr retrieved from …
nannoplankton paleo-assemblages records covering the last∼ 25 kyr retrieved from …
Influence of environmental variability and Emiliania huxleyi ecotypes on alkenone-derived temperature reconstructions in the subantarctic Southern Ocean
Long-chain unsaturated alkenones produced by haptophyte algae are widely used as
paleotemperature indicators. The unsaturation relationship to temperature is linear at mid …
paleotemperature indicators. The unsaturation relationship to temperature is linear at mid …
Emiliania huxleyi biometry and calcification response to the Indian sector of the Southern Ocean environmental gradients
An increase in the atmospheric pCO 2 and temperature is expected to reduce ocean CO 3
2− concentration, make oceans warmer and alter ocean circulation patterns. This will also …
2− concentration, make oceans warmer and alter ocean circulation patterns. This will also …
Reduction in size of the calcifying phytoplankton Calcidiscus leptoporus to environmental changes between the Holocene and modern Subantarctic Southern Ocean
AS Rigual-Hernández, G Langer, FJ Sierro… - Frontiers in marine …, 2023 - frontiersin.org
The Subantarctic Zone of the Southern Ocean plays a disproportionally large role on the
Earth system. Model projections predict rapid environmental change in the coming decades …
Earth system. Model projections predict rapid environmental change in the coming decades …
Autocatalytic Nucleation and Self‐Assembly of Inorganic Nanoparticles into Complex Biosimilar Networks
Self‐replication of molecules and microdroplets have been explored as models in prebiotic
chemistry. An analogous process for inorganic nanomaterials would involve the …
chemistry. An analogous process for inorganic nanomaterials would involve the …
Cascading effects augment the direct impact of CO2 on phytoplankton growth in a biogeochemical model
Atmospheric and oceanic CO2 concentrations are rising at an unprecedented rate.
Laboratory studies indicate a positive effect of rising CO2 on phytoplankton growth until an …
Laboratory studies indicate a positive effect of rising CO2 on phytoplankton growth until an …