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Impact of extended NAO buoyancy forcing on the subpolar North Atlantic and climate variability over the last millenium
Download2007
We examine the impact of forcing a regional eddy-permitting ocean model of the subpolar North Atlantic with anomalous buoyancy fluxes corresponding to extended extreme states of the North Atlantic Oscillation (NAO). We find a weakened (enhanced) Meridional Overturning Circulation (MOC) in our low...
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2005
The transport of freshwater is analyzed in an eddy-permitting regional model of the sub-polar North Atlantic, focusing on the export of freshwater (in liquid form) through Davis Strait. The results show that in the model simulations there is a limited exchange of freshwater between the Labrador...
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2000
Stratford, Kevin, Williams, Richard G., Myers, Paul G.
The role of the thermohaline circulation in controlling export production, oxygenation of deep waters, and hence possible sapropel formation in the eastern Mediterranean is examined using a simple nutrient-cycling model. The model is driven by velocity fields from a general circulation model and...
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Impact of the Surface Stress on the Volume and Freshwater Transport Through the Canadian Arctic Archipelago From a High-Resolution Numerical Simulation
Download2018-01-01
Grivault, Nathan, Hu, Xianmin, Myers, Paul G.
We use a numerical model forced with high temporal and spatial resolution atmospheric forcing to evaluate the volume and freshwater transport through the Canadian Arctic Archipelago (CAA). On average, the simulated inflow through the Queen Elizabeth Islands represents 40% of the transport...
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In situ oxidation of sulfide minerals supports widespread sulfate reducing bacteria in the deep subsurface of the Witwatersrand Basin (South Africa): Insights from multiple sulfur and oxygen isotopes
Download2022-01-01
Li, Long, Wei, Siwen, Lollar, Barbara Sherwood, Wing, Boswell, Bui, Thi H., Ono, Shuhei, Lau Vetter, Maggie C. Y., Onstott, Tullis C., Kieft, Thomas L., Borgonie, Gaetan, Linage-Alvarez, Borja, Kuloyo, Olukayode, van Heerden, Esta
Dissolved sulfate is a crucial electron acceptor for the subsurface biosphere, particularly for the living microbial ecosystems in the long-isolated (on the order of millions to billions of years) deep subsurface fracture waters in Precambrian cratons, e.g., in the Witwatersrand Basin of the...
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Infrared absorption spectra of Koidu diamonds
2022-09-01
Infrared absorption spectra of Koidu diamonds
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2018-01-01
Mol, Jacoba, Thomas, Helmuth, Myers, Paul G., Hu, Xianmin, Mucci, Alfonso
The Mackenzie Shelf in the southeastern Beaufort Sea is a region that has experienced large changes in the past several decades as warming, sea-ice loss, and increased river discharge have altered carbon cycling. Upwelling and downwelling events are common on the shelf, caused by strong,...
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1994
Aura, Stella M., Myers, Paul G., Weaver, Andrew J.
A coarse resolution model is developed to study the thermohaline circulation of the North Atlantic. This model is driven by the annual mean Hellerman and Rosenstein wind stress field, Levitus sea surface restoring temperatures, and Schmitt, Bogden, and Dorman freshwater flux fields (mixed...
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Intersecting Barriers: The Production of Housing Vulnerability for LGBTQ Refugees in Alberta, Canada
Download2023-11-01
McDowell, Kenna, Collins, Damian
Canada’s National Housing Strategy acknowledges that identity factors are closely connected to housing vulnerability. Specifically, it identifies 12 groups at heightened risk of negative housing outcomes in Canada. In this research, we focus on the intersection of two of these groups: LGBTQ...
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Intraslab remobilization of nitrogen during early subduction facilitates deep nitrogen recycling: Insights from the blueschists in the Heilongjiang Complex in NE China
Download2021-11-20
Li, Kan, Li, Gong-Yu, Du, Yi-Fan, Han, Wei, Zhang, Ji, Chen, Li-Hui, Zhou, Jian-Bo, Li, Long
Nitrogen (N) in subducting slab resides in both sediments and altered oceanic crust (AOC). The extent of subduction-zone metamorphic devolatilization of N in these reservoirs determines the amount of remaining N for deep recycling. However, N behavior inside the subduction zone, particularly...