Suchergebnisse - (calcification OR classification)/dissolution

Dynamics of carbonate chemistry, production, and calcification of the Florida Reef Tract (2009–2010): Evidence for seasonal dissolution von Muehllehner, Nancy, Langdon, Chris, Venti, Alyson, Kadko, David

“… dissolution of the reefal framework. There is great interest in being able to project the point in time when coral reefs will cross the tipping point between being net depositional to net erosional in terms of their carbonate budgets …”
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Enhanced macroboring and depressed calcification drive net dissolution at high-CO2 coral reefs von Enochs, Ian C, Manzello, Derek P, Kolodziej, Graham, Noonan, Sam H C, Valentino, Lauren, Fabricius, Katharina E

“… ) to create three-dimensional models of changing skeletal structure. OA conditions were correlated with decreased calcification and increased macroboring, primarily by annelids …”
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Ocean acidification and coral reefs: effects on breakdown, dissolution, and net ecosystem calcification von Andersson, Andreas J, Gledhill, Dwight

“… )) and their rate of CaCO(3) production could decrease while rates of bioerosion and CaCO(3) dissolution could increase, resulting in a transition from a condition of net accretion to one of net erosion …”
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Dissolution Dominating Calcification Process in Polar Pteropods Close to the Point of Aragonite Undersaturation von Bednaršek, Nina, Tarling, Geraint A., Bakker, Dorothee C. E., Fielding, Sophie, Feely, Richard A.

“… This study provides a weight-specific net calcification rate function for thecosome pteropods that includes both rates of dissolution and calcification over a range of plausible future aragonite saturation states (Ω(ar …”
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Elevated CO2 affects shell dissolution rate but not calcification rate in a marine snail von Nienhuis, Sarah, Palmer, A Richard, Harley, Christopher D G

“… ) in sea water may be of little consequence, indirect effects may be profound. For example, lowered pH and calcium carbonate saturation states may influence both deposition and dissolution rates of mineralized skeletons in many marine organisms …”
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Ocean acidification effects on calcification and dissolution in tropical reef macroalgae von McNicholl, C., Koch, M. S., Swarzenski, P. W., Oberhaensli, F. R., Taylor, A., Batista, M. Gómez, Metian, M.

“… However, the role of calcium carbonate dissolution in lowering net calcification rates is unclear …”
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Impacts of seawater saturation state (ΩA=0.4–4.6) and temperature (10, 25°C) on the dissolution kinetics of whole-shell biogenic carbonates von Ries, Justin B., Ghazaleh, Maite N., Connolly, Brian, Westfield, Isaac, Castillo, Karl D.

“… ’ ability to build protective shells and skeletons. No studies, however, have investigated the combined impacts of ocean acidification and warming on the whole-shell dissolution kinetics of biogenic carbonates …”
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Calcium orthophosphates: crystallization and dissolution von Wang, Lijun, Nancollas, George H

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Secondary calcification and dissolution respond differently to future ocean conditions von Silbiger, N. J., Donahue, M. J.

“… Secondary calcification, bioerosion, and reef dissolution are integral to the structural complexity and long-term persistence of coral reefs, yet these processes have received less research attention …”
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Calcification, Dissolution and Test Properties of Modern Planktonic Foraminifera From the Central Atlantic Ocean von Zarkogiannis, Stergios D., Iwasaki, Shinya, Rae, James William Buchanan, Schmidt, Matthew W., Mortyn, P. Graham, Kontakiotis, George, Hertzberg, Jennifer E., Rickaby, Rosalind E. M.

“… The mass of well-preserved calcite in planktonic foraminifera shells provides an indication of the calcification potential of the surface ocean …”
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Selective leaching of vanadium in calcification-roasted vanadium slag by ammonium carbonate von Li, Hong-Yi, Wang, Kang, Hua, Wei-Hao, Yang, Zhao, Zhou, Wang, Xie, Bing

“… Calcification roasting is a clean way to extract vanadium from the vanadium slag …”
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Aragonite dissolution protects calcite at the seafloor von Sulpis, Olivier, Agrawal, Priyanka, Wolthers, Mariette, Munhoven, Guy, Walker, Matthew, Middelburg, Jack J.

“… Despite its greater solubility, research has shown that aragonite, whose contribution to global pelagic calcification could be at par with that of calcite, is able to reach the deep-ocean …”
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One-Step Calcification–Biomaterialization Transformation Process for Treating High-Iron Bauxite Ore: One-Step Calcification–Biomaterialization Transformation Process for Treating High-Iron Bauxite Ore von Fu, Yifan, Wang, Yiyong, Ning, Zhe, Wang, Xingjian, Chai, Qiushi, Zhang, Renyun

“… –biomassification transformation means to treat high-iron bauxite, which synchronously realizes the dissolution of high-iron bauxite, the transformation of calcification, and the magnetic transformation of the iron phase …”
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Metabolic cost of calcification in bivalve larvae under experimental ocean acidification von Frieder, Christina A., Applebaum, Scott L., Pan, T.-C. Francis, Hedgecock, Dennis, Manahan, Donal T.

“… Although energy limitation is often invoked as a basis for decreased calcification under ocean acidification, energy-relevant measurements related to this process are scant …”
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Opto‐Electrochemical Dissolution Reveals Coccolith Calcium Carbonate Content von Yang, Minjun, Batchelor‐McAuley, Christopher, Barton, Samuel, Rickaby, Rosalind E. M., Bouman, Heather A., Compton, Richard G.

“… Rapid and reliable methods for assessing the degree of calcification are technically challenging because the coccoliths are micron sized and contain picograms (pg) of calcite …”
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Contrasting Changes in Diel Variations of Net Community Calcification Support That Carbonate Dissolution Can Be More Sensitive to Ocean Acidification Than Coral Calcification von Chou, Wen-Chen, Liu, Pi-Jen, Chen, Ying-Hsuan, Huang, Wei-Jen

“… Previous studies have found that calcification in coral reefs is generally stronger during the day, whereas dissolution is prevalent at night …”
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Pelagic calcium carbonate production and shallow dissolution in the North Pacific Ocean von Rae, James William Buchanan, Incarbona, Alessandro, Ziveri, Patrizia, Subhas, Adam V, Grelaud, Michael, Berelson, William, Anglada Ortiz, Griselda, Pallacks, Sven, Gray, William Robert, Adkins, Jess F, Manno, Clara, White, Angelicque

“… Planktonic calcifying organisms play a key role in regulating ocean carbonate chemistry and atmospheric CO2. Surprisingly, references to the absolute and …”
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Species‐specific responses to climate change and community composition determine future calcification rates of Florida Keys reefs von Okazaki, Remy R., Towle, Erica K., Hooidonk, Ruben, Mor, Carolina, Winter, Rivah N., Piggot, Alan M., Cunning, Ross, Baker, Andrew C., Klaus, James S., Swart, Peter K., Langdon, Chris

“… Because data are lacking for many species, most studies that model future reef growth rely on uniform scleractinian calcification sensitivities to temperature and ocean acidification …”
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Variation in calcification of Reticulofenestra coccoliths over the Oligocene–Early Miocene von Guitián, José, Fuertes, Miguel Ángel, Flores, José-Abel, Hernández-Almeida, Iván, Stoll, Heather

“… An open question is whether their calcification has been affected by changing environmental conditions over geological timescales such as variations in the ocean carbon system …”
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Site-specific interactions enhanced dissolution of natural aragonite (110) surfaces in succinic acid (SUC) solutions: Implications for the oceanic aragonite dissolution fluxes von Tang, Hongmei, Wu, Xiao, Yang, Yiping, Xian, Haiyang, Zhu, Jianxi, Fan, Min, Xi, Xiping, Wei, Jingming, Du, Runxiang, Liu, Hongmei, Zhu, Runliang

“… % of pelagic calcification of CaCO3 in the surface ocean). Its dissolution directly affects the export fluxes of CaCO3 in seawater …”
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