Search Results - "Schmidt, D. N."

Gradual and sustained carbon dioxide release during Aptian Oceanic Anoxic Event 1a by Naafs, B. D. A., Castro, J. M., De Gea, G. A., Quijano, M. L., Schmidt, D. N., Pancost, R. D.

“…A period of ocean anoxia about 120 million years ago coincided with high temperatures. A reconstruction of CO 2 concentrations shows that volcanic outgassing…”
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Modern and Cenozoic records of seawater magnesium from foraminiferal Mg isotopes by Pogge von Strandmann, P. A. E, Forshaw, J, Schmidt, D. N

“…Magnesium is an element critically involved in the carbon cycle, because weathering of Ca-Mg silicates removes atmospheric CO2 into rivers, and formation of…”
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pH up-regulation as a potential mechanism for the cold-water coral Lophelia pertusa to sustain growth in aragonite undersaturated conditions by Wall, M, Ragazzola, F, Foster, L. C, Form, A, Schmidt, D. N

“…Cold-water corals are important habitat formers in deep-water ecosystems and at high latitudes. Ocean acidification and the resulting change in aragonite…”
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Tracers of uplift and subsidence in the Cape Verde archipelago by Ramalho, R, Helffrich, G, Schmidt, D. N, Vance, D

“…Ocean islands are subject to vertical movements through their lifetime and these movements' origins are poorly understood. Tracking island freeboard provides…”
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Episodic swell growth inferred from variable uplift of the Cape Verde hotspot islands by Helffrich, G, Cosca, M, Hoffmann, D, Ramalho, R, Schmidt, D. N, Vance, D

“…On the Beagle voyage, Charles Darwin first noted the creation and subsidence of ocean islands, establishing in geology's infancy that island freeboard changes…”
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Planktic Foraminiferal Test Size and Weight Response to the Late Pliocene Environment by Todd, C. L., Schmidt, D. N., Robinson, M. M., De Schepper, S.

“…Atmospheric carbon dioxide (pCO2atm) is impacting the ocean and marine organisms directly via changes in carbonate chemistry and indirectly via a range of…”
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Potential and limitations of finite element modelling in assessing structural integrity of coralline algae under future global change by Melbourne, L. A, Griffin, J, Schmidt, D. N, Rayfield, E. J

“…Coralline algae are important habitat formers found on all rocky shores. While the impact of future ocean acidification on the physiological performance of the…”
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From laboratory manipulations to Earth system models: scaling calcification impacts of ocean acidification by Ridgwell, A., Schmidt, D. N., Turley, C., Brownlee, C., Maldonado, M. T., Tortell, P., Young, J. R.

“…The observed variation in the calcification responses of coccolithophores to changes in carbonate chemistry paints a highly incoherent picture, particularly…”
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The response of calcifying plankton to climate change in the Pliocene by Davis, C. V, Badger, M. P. S, Bown, P. R, Schmidt, D. N

“…As a result of anthropogenic pCO2 increases, future oceans are growing warmer and lower in pH and oxygen, conditions that are likely to impact planktic…”
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Linking Marine Plankton Ecosystems and Climate: A New Modeling Approach to the Warm Early Eocene Climate by Wilson, J. D., Monteiro, F. M., Schmidt, D. N., Ward, B. A., Ridgwell, A.

“…The fossil record reveals large changes in marine plankton ecosystems linked with both environmental and ecological change across the Cenozoic. An…”
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Plio-Pleistocene climate sensitivity evaluated using high-resolution CO2 records by Martínez-Botí, M. A., Foster, G. L., Chalk, T. B., Rohling, E. J., Sexton, P. F., Lunt, D. J., Pancost, R. D., Badger, M. P. S., Schmidt, D. N.

“…Theory and climate modelling suggest that the sensitivity of Earth’s climate to changes in radiative forcing could depend on the background climate. However,…”
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Impact of high CO2 on the geochemistry of the coralline algae Lithothamnion glaciale by Ragazzola, F., Foster, L. C., Jones, C. J., Scott, T. B., Fietzke, J., Kilburn, M. R., Schmidt, D. N.

“…Coralline algae are a significant component of the benthic ecosystem. Their ability to withstand physical stresses in high energy environments relies on their…”
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Changes in benthic ecosystems and ocean circulation in the Southeast Atlantic across Eocene Thermal Maximum 2 by Jennions, S. M., Thomas, E., Schmidt, D. N., Lunt, D., Ridgwell, A.

“…Eocene Thermal Maximum 2 (ETM2) occurred ~1.8 Myr after the Paleocene‐Eocene Thermal Maximum (PETM) and, like the PETM, was characterized by a negative carbon…”
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Quantifying the stability of planktic foraminiferal physical niches between the Holocene and Last Glacial Maximum by Waterson, A. M., Edgar, K. M., Schmidt, D. N., Valdes, P. J.

“…The application of transfer functions on fossil assemblages to reconstruct past environments is fundamentally based on the assumption of stable environmental…”
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Microhabitat preferences and stable carbon isotopes of endobenthic foraminifera: clue to quantitative reconstruction of oceanic new production? by Mackensen, A., Schumacher, S., Radke, J., Schmidt, D.N.

“…Seventeen surface sediment samples from the North Atlantic Ocean off NE-Greenland between 76° and 81°N, and nine samples from the South Atlantic Ocean close to…”
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In situ boron isotope analysis in marine carbonates and its application for foraminifera and palaeo-pH by Kasemann, Simone A., Schmidt, Daniela N., Bijma, Jelle, Foster, Gavin L.

“…The boron isotope composition of marine carbonates such as foraminiferal tests and coral skeletons is increasingly being used to reconstruct seawater pH values…”
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Extreme Planktic Foraminiferal Dwarfism Across the ETM2 in the Tethys Realm in Response to Warming by D’Onofrio, R., Barrett, R., Schmidt, D. N., Fornaciari, E., Giusberti, L., Frijia, G., Adatte, T., Sabatino, N., Monsuru, A., Brombin, V., Luciani, V.

“…Pronounced warming negatively impacts ecosystem resilience in modern oceans. To offer a long‐term geological perspective of the calcareous plankton response to…”
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Vertical movements of ocean island volcanoes: Insights from a stationary plate environment by Ramalho, Ricardo S., Helffrich, G., Cosca, M., Vance, D., Hoffmann, D., Schmidt, D.N.

“…Uplift reconstructions based on the Cape Verde's geological record provide a unique opportunity to study the long-term isostatic movements associated with…”
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The societal challenge of ocean acidification by Turley, C., Eby, M., Ridgwell, A.J., Schmidt, D.N., Findlay, H.S., Brownlee, C., Riebesell, U., Fabry, V.J., Feely, R.A., Gattuso, J.-P.

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A Palaeogene perspective on climate sensitivity and methane hydrate instability by Dunkley Jones, T., Ridgwell, A., Lunt, D. J., Maslin, M. A., Schmidt, D. N., Valdes, P. J.

“…The Palaeocene-Eocene thermal maximum (PETM), a rapid global warming event and carbon-cycle perturbation of the early Palaeogene, provides a unique test of…”
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