Search Results - "Paytan, Adina"

Large-scale ocean deoxygenation during the Paleocene-Eocene Thermal Maximum by Yao, Weiqi, Paytan, Adina, Wortmann, Ulrich G

“…The consequences of global warming for fisheries are not well understood, but the geological record demonstrates that carbon cycle perturbations are frequently…”
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Barite in the ocean - occurrence, geochemistry and palaeoceanographic applications by GRIFFITH, ELIZABETH M., PAYTAN, ADINA

“…The mineral barite (BaSO4) can precipitate in a variety of oceanic settings: in the water column, on the sea floor and within marine sediments. The geological…”
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Groundwater discharge impacts marine isotope budgets of Li, Mg, Ca, Sr, and Ba by Mayfield, Kimberley K., Eisenhauer, Anton, Santiago Ramos, Danielle P., Higgins, John A., Horner, Tristan J., Auro, Maureen, Magna, Tomas, Moosdorf, Nils, Charette, Matthew A., Gonneea, Meagan Eagle, Brady, Carolyn E., Komar, Nemanja, Peucker-Ehrenbrink, Bernhard, Paytan, Adina

“…Groundwater-derived solute fluxes to the ocean have long been assumed static and subordinate to riverine fluxes, if not neglected entirely, in marine isotope…”
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Rapid Variability of Seawater Chemistry Over the Past 130 Million Years by Wortmann, Ulrich G., Paytan, Adina

“…Fluid inclusion data suggest that the composition of major elements in seawater changes slowly over geological time scales. This view contrasts with…”
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Internal loading of phosphate in Lake Erie Central Basin by Paytan, Adina, Roberts, Kathryn, Watson, Sue, Peek, Sara, Chuang, Pei-Chuan, Defforey, Delphine, Kendall, Carol

“…After significant reductions in external phosphorus (P) loads, and subsequent water quality improvements in the early 1980s, the water quality of Lake Erie has…”
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Sulfur isotope ratios in co-occurring barite and carbonate from Eocene sediments: A comparison study by Toyama, Kotaro, Paytan, Adina, Sawada, Ken, Hasegawa, Takashi

“…In order to investigate the utility of bulk carbonate as a recorder of seawater sulfate sulfur isotope ratios (δ34Ssw), co-existing pelagic barite and bulk…”
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A 35-million-year record of seawater stable Sr isotopes reveals a fluctuating global carbon cycle by Paytan, Adina, Griffith, Elizabeth M, Eisenhauer, Anton, Hain, Mathis P, Wallmann, Klaus, Ridgwell, Andrew

“…Changes in the concentration and isotopic composition of the major constituents in seawater reflect changes in their sources and sinks. Because many of the…”
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Marine barite: Recorder of variations in ocean export productivity by Paytan, Adina, Griffith, Elizabeth M.

“…Marine barite (BaSO 4) is produced in the water column in association with decaying organic matter; its distribution in the water column and in core-top…”
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Coral Skeleton δ15N as a Tracer of Historic Nutrient Loading to a Coral Reef in Maui, Hawaii by Murray, Joseph, Prouty, Nancy G., Peek, Sara, Paytan, Adina

“…Excess nutrient loading to nearshore environments has been linked to declining water quality and ecosystem health. Macro-algal blooms, eutrophication, and…”
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Reduced calcification and lack of acclimatization by coral colonies growing in areas of persistent natural acidification by Crook, Elizabeth D., Cohen, Anne L., Rebolledo-Vieyra, Mario, Hernandez, Laura, Paytan, Adina

“…As the surface ocean equilibrates with rising atmospheric CO ₂, the pH of surface seawater is decreasing with potentially negative impacts on coral…”
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Carbon sequestration during the Palaeocene–Eocene Thermal Maximum by an efficient biological pump by Ma, Zhongwu, Gray, Ellen, Thomas, Ellen, Murphy, Brandon, Zachos, James, Paytan, Adina

“…A perturbation of the carbon cycle and biosphere, linked to globally increased temperatures about 55.9 million years ago, characterized the Palaeocene–Eocene…”
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Toward an Improved Understanding of the Marine Barium Cycle and the Application of Marine Barite as a Paleoproductivity Proxy by Samantha C. Carter, Adina Paytan, Elizabeth M. Griffith

“…Marine barite (BaSO4) is a relatively ubiquitous, though minor, component of ocean sediments. Modern studies of the accumulation of barite in ocean sediments…”
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Barium bioaccumulation by bacterial biofilms and implications for Ba cycling and use of Ba proxies by Martinez-Ruiz, Francisca, Jroundi, Fadwa, Paytan, Adina, Guerra-Tschuschke, Isabel, Abad, María del Mar, González-Muñoz, María Teresa

“…Ba proxies have been broadly used to reconstruct past oceanic export production. However, the precise mechanisms underlying barite precipitation in…”
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Contribution of airborne microbes to bacterial production and N2 fixation in seawater upon aerosol deposition by Rahav, Eyal, Ovadia, Galit, Paytan, Adina, Herut, Barak

“…Aerosol deposition may supply a high diversity of airborne microbes, which can affect surface microbial composition and biological production. This study…”
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A revised seawater sulfate oxygen isotope record for the last 4 Myr by Markovic, Stefan, Paytan, Adina, Li, Hong, Wortmann, Ulrich G.

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High-frequency dynamics of ocean pH: a multi-ecosystem comparison by Hofmann, Gretchen E, Smith, Jennifer E, Johnson, Kenneth S, Send, Uwe, Levin, Lisa A, Micheli, Fiorenza, Paytan, Adina, Price, Nichole N, Peterson, Brittany, Takeshita, Yuichiro, Matson, Paul G, Crook, Elizabeth Derse, Kroeker, Kristy J, Gambi, Maria Cristina, Rivest, Emily B, Frieder, Christina A, Yu, Pauline C, Martz, Todd R

“…The effect of Ocean Acidification (OA) on marine biota is quasi-predictable at best. While perturbation studies, in the form of incubations under elevated…”
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Effects of African dust deposition on phytoplankton in the western tropical Atlantic Ocean off Barbados by Chien, Chia‐Te, Mackey, Katherine R. M., Dutkiewicz, Stephanie, Mahowald, Natalie M., Prospero, Joseph M., Paytan, Adina

“…Bioassay incubation experiments conducted with nutrients and local atmospheric aerosol amendments indicate that phosphorus (P) availability limited…”
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Nutrient Loading through Submarine Groundwater Discharge and Phytoplankton Growth in Monterey Bay, CA by Lecher, Alanna L., Mackey, Katherine, Kudela, Raphael, Ryan, John, Fisher, Andrew, Murray, Joseph, Paytan, Adina

“…We quantified groundwater discharge and associated nutrient fluxes to Monterey Bay, California, during the wet and dry seasons using excess 224Ra as a tracer…”
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Efficiency of bioaerosol samplers: a comparison study by Mescioglu, Esra, Paytan, Adina, Mitchell, Bailey W., Griffin, Dale W.

“…Bioaerosols, including bacteria and fungi, are ubiquitous and have been shown to impact various organisms as well as biogeochemical cycles and human health…”
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What Causes Excess Deepening of the Sediment Mixed Layer in the Deep Ocean? by Zhu, Zenghui, Yu, Huaming, Bianchi, Thomas S., Lian, Ergang, Burnett, William C., Paytan, Adina, Guo, Xiaoyi, Zhao, Shibin, Zhuang, Guangchao, Men, Wu, Li, Sanzhong, Yu, Zhigang, Xu, Bochao

“…The sediment mixed layer (SML) in the deep ocean is an important interface with a rich diversity of benthic organisms. With increasing ocean mineral…”
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