Search Results - "Saenger, Casey"

Magnesium isotope fractionation in biogenic and abiogenic carbonates: implications for paleoenvironmental proxies by Saenger, Casey, Wang, Zhengrong

“…Geochemical variations in marine biogenic carbonates that are preserved in the geological record serve as proxies of past environmental change. However,…”
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Toward a universal carbonate clumped isotope calibration: Diverse synthesis and preparatory methods suggest a single temperature relationship by Kelson, Julia R., Huntington, Katharine W., Schauer, Andrew J., Saenger, Casey, Lechler, Alex R.

“…Carbonate clumped isotope (Δ47) thermometry has been applied to a wide range of problems in earth, ocean and biological sciences over the last decade, but is…”
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Tropical sea surface temperatures for the past four centuries reconstructed from coral archives by Tierney, Jessica E., Abram, Nerilie J., Anchukaitis, Kevin J., Evans, Michael N., Giry, Cyril, Kilbourne, K. Halimeda, Saenger, Casey P., Wu, Henry C., Zinke, Jens

“…Most annually resolved climate reconstructions of the Common Era are based on terrestrial data, making it a challenge to independently assess how recent…”
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Climate Model Teleconnection Patterns Govern the Niño-3.4 Response to Early Nineteenth-Century Volcanism in Coral-Based Data Assimilation Reconstructions by Sanchez, Sara C., Hakim, Gregory J., Saenger, Casey P.

“…Scientific understanding of low-frequency tropical Pacific variability, especially responses to perturbations in radiative forcing, suffers from short…”
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Early onset of industrial-era warming across the oceans and continents by Abram, Nerilie J., McGregor, Helen V., Tierney, Jessica E., Evans, Michael N., McKay, Nicholas P., Kaufman, Darrell S.

“…The evolution of industrial-era warming across the continents and oceans provides a context for future climate change and is important for determining climate…”
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Carbonate clumped isotope variability in shallow water corals: Temperature dependence and growth-related vital effects by Saenger, Casey, Affek, Hagit P., Felis, Thomas, Thiagarajan, Nivedita, Lough, Janice M., Holcomb, Michael

“…Geochemical variations in shallow water corals provide a valuable archive of paleoclimatic information. However, biological effects can complicate the…”
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Holocene climate changes in eastern Beringia (NW North America) – A systematic review of multi-proxy evidence by Kaufman, Darrell S., Axford, Yarrow L., Henderson, Andrew C.G., McKay, Nicholas P., Oswald, W. Wyatt, Saenger, Casey, Anderson, R. Scott, Bailey, Hannah L., Clegg, Benjamin, Gajewski, Konrad, Hu, Feng Sheng, Jones, Miriam C., Massa, Charly, Routson, Cody C., Werner, Al, Wooller, Matthew J., Yu, Zicheng

“…Reconstructing climates of the past relies on a variety of evidence from a large number of sites to capture the varied features of climate and the spatial…”
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Experimental calibration of Mg isotope fractionation between aragonite and seawater by Wang, Zhengrong, Hu, Ping, Gaetani, Glenn, Liu, Chao, Saenger, Casey, Cohen, Anne, Hart, Stanley

“…The detectable magnesium (Mg) isotope fractionation between biogenic aragonite (including aragonitic corals, bivalves, scaphopod, and sclerosponges) and…”
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A framework for reconstructing marine heatwaves from individual foraminifera in sedimentary archives by Saenger, Casey, Jimenez-Diaz, Carlos, Gagnon, Alexander, Mix, Alan, Ross, Andrew, Xu, Tongtong

“…Marine heatwaves (MHWs) are warm sea surface temperature (SST) anomalies with substantial ecological and economic consequences. Observations of MHWs are based…”
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Surface-temperature trends and variability in the low-latitude North Atlantic since 1552 by Saenger, Casey, Cohen, Anne L, Oppo, Delia W, Halley, Robert B, Carilli, Jessica E

“…Sea surface temperature variability in the North Atlantic Ocean recorded since about 1850 has been ascribed to a natural multidecadal oscillation superimposed…”
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Calibration and Validation of Environmental Controls on Planktic Foraminifera Mg/Ca Using Global Core‐Top Data by Saenger, Casey P., Evans, Michael N.

“…The Mg/Ca of planktic foraminifera is commonly assumed to be a univariate function of ocean temperature, but recent work suggests that nonthermal variables may…”
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Evaluating environmental controls on the exoskeleton density of larval Dungeness crab via micro computed tomography by Saenger, Casey P., McElhany, Paul, Norton, Emily L., Busch, D. Shallin, Siedlecki, Samantha A., Alin, Simone R., Feely, Richard A., Hermann, Albert J., Bednaršek, Nina

“…Dungeness crab ( Metacarcinus magister ) have significant socioeconomic value, but are threatened by ocean acidification (OA) and other environmental stressors…”
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The influence of temperature and vital effects on magnesium isotope variability in Porites and Astrangia corals by Saenger, Casey, Wang, Zhengrong, Gaetani, Glenn, Cohen, Anne, Lough, Janice M.

“…The magnesium isotope composition (δ26Mg) of sub-annually and bulk-sampled Porites corals is presented and suggests that the coral–seawater fractionation…”
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The Importance of Environmental Exposure History in Forecasting Dungeness Crab Megalopae Occurrence Using J-SCOPE, a High-Resolution Model for the US Pacific Northwest by Norton, Emily L., Siedlecki, Samantha, Kaplan, Isaac C., Hermann, Albert J., Fisher, Jennifer L., Morgan, Cheryl A., Officer, Suzanna, Saenger, Casey, Alin, Simone R., Newton, Jan, Bednaršek, Nina, Feely, Richard A.

“…The Dungeness crab (Metacarcinus magister) fishery is one of the highest value fisheries in the US Pacific Northwest, but its catch size fluctuates widely…”
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Regional climate variability in the western subtropical North Atlantic during the past two millennia by Saenger, Casey, Came, Rosemarie E., Oppo, Delia W., Keigwin, Lloyd D., Cohen, Anne L.

“…Western subtropical North Atlantic oceanic and atmospheric circulations connect tropical and subpolar climates. Variations in these circulations can generate…”
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Tropical Atlantic climate response to low-latitude and extratropical sea-surface temperature: A Little Ice Age perspective by Saenger, Casey, Chang, Ping, Ji, Link, Oppo, Delia W., Cohen, Anne L.

“…Proxy reconstructions and model simulations suggest that steeper interhemispheric sea surface temperature (SST) gradients lead to southerly Intertropical…”
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Interpreting sea surface temperature from strontium/calcium ratios in Montastrea corals: Link with growth rate and implications for proxy reconstructions by Saenger, Casey, Cohen, Anne L., Oppo, Delia W., Hubbard, Dennis

“…We analyzed strontium/calcium ratios (Sr/Ca) in four colonies of the Atlantic coral genus Montastrea with growth rates ranging from 2.3 to 12.6 mm a−1. Derived…”
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Exoskeleton dissolution with mechanoreceptor damage in larval Dungeness crab related to severity of present-day ocean acidification vertical gradients by Bednaršek, Nina, Feely, Richard A., Beck, Marcus W., Alin, Simone R., Siedlecki, Samantha A., Calosi, Piero, Norton, Emily L., Saenger, Casey, Štrus, Jasna, Greeley, Dana, Nezlin, Nikolay P., Roethler, Miranda, Spicer, John I.

“…Ocean acidification (OA) along the US West Coast is intensifying faster than observed in the global ocean. This is particularly true in nearshore regions…”
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How 17O excess in clumped isotope reference-frame materials and ETH standards affects reconstructed temperature by Saenger, Casey P., Schauer, Andrew J., Heitmann, Emma O., Huntington, Katharine W., Steig, Eric J.

“…Carbonate clumped isotope measurements (∆47) have been widely applied as a paleothermometer, but various sources of error typically limit their application to…”
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A refined method for calculating paleotemperatures from linear correlations in bamboo coral carbon and oxygen isotopes by Saenger, Casey, Watkins, James M.

“…Bamboo corals represent an emerging paleoclimate archive with the potential to record variability at intermediate depths throughout much of the global ocean…”
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