Search Results - "Berelson, William M."

Mercury anomalies and the timing of biotic recovery following the end-Triassic mass extinction by Thibodeau, Alyson M., Ritterbush, Kathleen, Yager, Joyce A., West, A. Joshua, Ibarra, Yadira, Bottjer, David J., Berelson, William M., Bergquist, Bridget A., Corsetti, Frank A.

“…The end-Triassic mass extinction overlapped with the eruption of the Central Atlantic Magmatic Province (CAMP), and release of CO 2 and other volcanic…”
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The continental shelf benthic iron flux and its isotope composition by Severmann, Silke, McManus, James, Berelson, William M., Hammond, Douglas E.

“…Benthic iron fluxes from sites along the Oregon–California continental shelf determined using in situ benthic chambers, range from less than 10 μmol m −2 d −1…”
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Low rates of nitrogen fixation in eastern tropical South Pacific surface waters by Knapp, Angela N., Casciotti, Karen L., Berelson, William M., Prokopenko, Maria G., Capone, Douglas G.

“…An extensive region of the Eastern Tropical South Pacific (ETSP) Ocean has surface waters that are nitrate-poor yet phosphate-rich. It has been proposed that…”
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Quantifying trace element and isotope fluxes at the ocean-sediment boundary: a review by Homoky, William B., Weber, Thomas, Berelson, William M., Conway, Tim M., Henderson, Gideon M., van Hulten, Marco, Jeandel, Catherine, Severmann, Silke, Tagliabue, Alessandro

“…Quantifying fluxes of trace elements and their isotopes (TEIs) at the ocean's sediment-water boundary is a pre-eminent challenge to understand their role in…”
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Multiple B-vitamin depletion in large areas of the coastal ocean by Sañudo-Wilhelmy, Sergio A, Cutter, Lynda S, Durazo, Reginaldo, Smail, Emily A, Gómez-Consarnau, Laura, Webb, Eric A, Prokopenko, Maria G, Berelson, William M, Karl, David M

“…B vitamins are some of the most commonly required biochemical cofactors in living systems. Therefore, cellular metabolism of marine vitamin-requiring…”
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Oxygen Consumption Rates of Bacteria under Nutrient-Limited Conditions by RIEDEL, Timothy E, BERELSON, William M, NEALSON, Kenneth H, FINKEL, Steven E

“…Classifications Services AEM Citing Articles Google Scholar PubMed Related Content Social Bookmarking CiteULike Delicious Digg Facebook Google+ Mendeley Reddit…”
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Cyanobacterial construction of hot spring siliceous stromatolites in Yellowstone National Park by Pepe-Ranney, Charles, Berelson, William M., Corsetti, Frank A., Treants, Merika, Spear, John R.

“…Summary Living stromatolites growing in a hot spring in Yellowstone National Park are composed of silica‐encrusted cyanobacterial mats. Two cyanobacterial mat…”
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The flux of iron from continental shelf sediments: A missing source for global budgets by Elrod, Virginia A., Berelson, William M., Coale, Kenneth H., Johnson, Kenneth S.

“…The flux of dissolved iron from sediments to the water column was measured with flux chambers along the California coast over a five‐year period. High fluxes…”
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A new anion exchange purification method for Cu stable isotopes in blood samples by Yang, Shun-Chung, Welter, Lisa, Kolatkar, Anand, Nieva, Jorge, Waitman, Kathryn R., Huang, Kuo-Fang, Liao, Wen-Hsuan, Takano, Shotaro, Berelson, William M., West, A. Joshua, Kuhn, Peter, John, Seth G.

“…The isotopic composition of iron, zinc, copper, and cadmium (δ 56 Fe, δ 66 Zn, δ 65 Cu, and δ 114 Cd) are novel and promising tools to study the metabolism and…”
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Living to Lithified: Construction and Preservation of Silicified Biomarkers by Rasmussen, Kalen L., Thieringer, Patrick H., Nevadomski, Sophia, Martinez, Aaron M., Dawson, Katherine S., Corsetti, Frank A., Zheng, Xin‐Yuan, Lv, Yiwen, Chen, Xinyang, Celestian, Aaron J., Berelson, William M., Rollins, Nick E., Spear, John R.

“…ABSTRACT Whole microorganisms are rarely preserved in the fossil record but actively silicifying environments like hot springs provide an opportunity for…”
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Constraining pathways of microbial mediation for carbonate concretions of the Miocene Monterey Formation using carbonate-associated sulfate by Loyd, Sean J., Berelson, William M., Lyons, Timothy W., Hammond, Douglas E., Corsetti, Frank A.

“…Carbonate concretions can form as a result of organic matter degradation within sediments. However, the ability to determine specific processes and timing…”
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Nitrogen cycling within suboxic and anoxic sediments from the continental margin of Western North America by Chong, Lauren S., Prokopenko, Maria G., Berelson, William M., Townsend-Small, Amy, McManus, James

“…Here we report rates of benthic nitrogen (N) cycling and assess controls on biological NO 3 − sequestration and transport in sediments underlying oxygen…”
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Environmental and Biological Influences on Carbonate Precipitation Within Hot Spring Microbial Mats in Little Hot Creek, CA by Wilmeth, Dylan T, Johnson, Hope A, Stamps, Blake W, Berelson, William M, Stevenson, Bradley S, Nunn, Heather S, Grim, Sharon L, Dillon, Megan L, Paradis, Olivia, Corsetti, Frank A, Spear, John R

“…Microbial mats are found in a variety of modern environments, with evidence for their presence as old as the Archean. There is much debate about the rates and…”
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Benthic manganese fluxes along the Oregon–California continental shelf and slope by McManus, James, Berelson, William M., Severmann, Silke, Johnson, Kenneth S., Hammond, Douglas E., Roy, Moutusi, Coale, Kenneth H.

“…Here we examine the factors that influence the manganese (Mn) benthic flux from eastern North Pacific marine sediments, with a primary emphasis on continental…”
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Blooms of Pseudo-nitzschia and domoic acid in the San Pedro Channel and Los Angeles harbor areas of the Southern California Bight, 2003–2004 by Schnetzer, Astrid, Miller, Peter E., Schaffner, Rebecca A., Stauffer, Beth A., Jones, Burton H., Weisberg, Stephen B., DiGiacomo, Paul M., Berelson, William M., Caron, David A.

“…Abundances of Pseudo-nitzschia spp. and concentrations of particulate domoic acid (DA) were determined in the Southern California Bight (SCB) along the coasts…”
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Meter-Scale Early Diagenesis of Organic Matter Buried Within Deep-Sea Sediments Beneath the Amazon River Plume by Chong, Lauren S., Berelson, William M., McManus, James, Rollins, Nick E.

“…Gravity cores and multi-cores were collected from the Demerara Abyssal plain to examine meter-scale downcore features of early diagenesis in the sediments and…”
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Particle sinking dynamics and POC fluxes in the Eastern Tropical South Pacific based on 234Th budgets and sediment trap deployments by Haskell, William Z., Berelson, William M., Hammond, Douglas E., Capone, Douglas G.

“…Assuming steady-state over seasonal to annual timescales, and limited horizontal export of dissolved nutrients, the vertical fluxes of limiting nutrients into…”
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Catalysis and chemical mechanisms of calcite dissolution in seawater by Subhas, Adam V., Adkins, Jess F., Rollins, Nick E., Naviaux, John, Erez, Jonathan, Berelson, William M.

“…Near-equilibrium calcite dissolution in seawater contributes significantly to the regulation of atmospheric CO₂ on 1,000-y timescales. Despite many studies on…”
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Nitrification and Nitrous Oxide Production in the Offshore Waters of the Eastern Tropical South Pacific by Santoro, Alyson E., Buchwald, Carolyn, Knapp, Angela N., Berelson, William M., Capone, Douglas G., Casciotti, Karen L.

“…Marine oxygen deficient zones are dynamic areas of microbial nitrogen cycling. Nitrification, the microbial oxidation of ammonia to nitrate, plays multiple…”
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Geochemistry of barium in marine sediments: implications for its use as a paleoproxy by McManus, James, Berelson, William M, Klinkhammer, Gary P, Johnson, Kenneth S, Coale, Kenneth H, Anderson, Robert F, Kumar, Niraj, Burdige, David J, Hammond, Douglas E, Brumsack, Hans J, McCorkle, Daniel C, Rushdi, Ahmed

“…Variations in the accumulation rate of barium in marine sediments are thought to be indicative of variations in marine biological productivity through time…”
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