Search Results - "Schallenberg, Christina"

Critical evaluation of a seaFAST system for the analysis of trace metals in marine samples by Wuttig, Kathrin, Townsend, Ashley T., van der Merwe, Pier, Gault-Ringold, Melanie, Holmes, Thomas, Schallenberg, Christina, Latour, Pauline, Tonnard, Manon, Rijkenberg, Micha J.A., Lannuzel, Delphine, Bowie, Andrew R.

“…A seawater preconcentration system (seaFAST) with offline sector-field inductively coupled plasma mass spectrometry (SF-ICP-MS) detection was critically…”
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Interacting Effects of Light and Iron Availability on the Coupling of Photosynthetic Electron Transport and CO2-Assimilation in Marine Phytoplankton by Schuback, Nina, Schallenberg, Christina, Duckham, Carolyn, Maldonado, Maria T, Tortell, Philippe D

“…Iron availability directly affects photosynthesis and limits phytoplankton growth over vast oceanic regions. For this reason, the availability of iron is a…”
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Biogeochemical‐Argo floats show that chlorophyll increases before carbon in the high‐latitude Southern Ocean spring bloom by Vives, Clara R., Schallenberg, Christina, Strutton, Peter G., Boyd, Philip W.

“…In the Southern Ocean, phytoplankton blooms are an annually recurring prominent feature that play a significant role in ocean CO2 uptake. Understanding the…”
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Dissolved iron and iron(II) distributions beneath the pack ice in the East Antarctic (120°E) during the winter/spring transition by Schallenberg, Christina, van der Merwe, Pier, Chever, Fanny, Cullen, Jay T., Lannuzel, Delphine, Bowie, Andrew R.

“…Distributions of dissolved iron (dFe) and its reduced form, Fe(II), to a depth of 1000m were investigated under the seasonal pack ice off East Antarctica…”
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Iron(II) variability in the northeast subarctic Pacific Ocean by Schallenberg, Christina, Davidson, Ashley B, Simpson, Kyle G, Miller, Lisa A, Cullen, Jay T

“…Distributions of dissolved iron (<0.2 mu m, dFe) and its reduced form, Fe(II), were measured during 3 cruises along Line P, a transect from the continental…”
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Subantarctic pCO2 estimated from a biogeochemical float: comparison with moored observations reinforces the importance of spatial and temporal variability by Wynn-Edwards, Cathryn Ann, Shadwick, Elizabeth H., Jansen, Peter, Schallenberg, Christina, Maurer, Tanya Lea, Sutton, Adrienne J.

“…Understanding the size and future changes of natural ocean carbon sinks is critical for the projection of atmospheric CO 2 levels. The magnitude of the…”
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Multi-Year Observations of Fluorescence and Backscatter at the Southern Ocean Time Series (SOTS) Shed Light on Two Distinct Seasonal Bio-Optical Regimes by Schallenberg, Christina, Harley, James W., Jansen, Peter, Davies, Diana M., Trull, Thomas W.

“…This work presents insights from 6 years of chlorophyll-a fluorescence and backscatter (700 nm) data at the Southern Ocean Time Series (SOTS) moorings, located…”
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Sustained Upwelling of Subsurface Iron Supplies Seasonally Persistent Phytoplankton Blooms Around the Southern Kerguelen Plateau, Southern Ocean by Schallenberg, Christina, Bestley, Sophie, Klocker, Andreas, Trull, Thomas W., Davies, Diana M., Gault‐Ringold, Melanie, Eriksen, Ruth, Roden, Nicholas P., Sander, Sylvia G., Sumner, Michael, Townsend, Ashley T., Merwe, Pier, Westwood, Karen, Wuttig, Kathrin, Bowie, Andrew

“…Although the supply of iron generally limits phytoplankton productivity in the Southern Ocean, substantial seasonal blooms are observed over and downstream of…”
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A model for community-driven development of best practices: the Ocean Observatories Initiative Biogeochemical Sensor Data Best Practices and User Guide by Palevsky, Hilary I., Clayton, Sophie, Benway, Heather, Maheigan, Mairead, Atamanchuk, Dariia, Battisti, Roman, Batryn, Jennifer, Bourbonnais, Annie, Briggs, Ellen M., Carvalho, Filipa, Chase, Alison P., Eveleth, Rachel, Fatland, Rob, Fogaren, Kristen E., Fram, Jonathan Peter, Hartman, Susan E., Le Bras, Isabela, Manning, Cara C. M., Needoba, Joseph A., Neely, Merrie Beth, Oliver, Hilde, Reed, Andrew C., Rheuban, Jennie E., Schallenberg, Christina, Walsh, Ian, Wingard, Christopher, Bauer, Kohen, Chen, Baoshan, Cuevas, Jose, Flecha, Susana, Horwith, Micah, Melendez, Melissa, Menz, Tyler, Rivero-Calle, Sara, Roden, Nicholas P., Steinhoff, Tobias, Trucco-Pignata, Pablo Nicolás, Vardaro, Michael F., Yoder, Meg

“…The field of oceanography is transitioning from data-poor to data-rich, thanks in part to increased deployment of in-situ platforms and sensors, such as those…”
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Real-time quality control of optical backscattering data from Biogeochemical-Argo floats by Dall'Olmo, Giorgio, Bhaskar TVS, Udaya, Bittig, Henry, Boss, Emmanuel, Brewster, Jodi, Claustre, Hervé, Donnelly, Matt, Maurer, Tanya, Nicholson, David, Paba, Violetta, Plant, Josh, Poteau, Antoine, Sauzède, Raphaëlle, Schallenberg, Christina, Schmechtig, Catherine, Schmid, Claudia, Xing, Xiaogang

“…Background: Biogeochemical-Argo floats are collecting an unprecedented number of profiles of optical backscattering measurements in the global ocean…”
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Factors Controlling the Lack of Phytoplankton Biomass in Naturally Iron Fertilized Waters Near Heard and McDonald Islands in the Southern Ocean by Wojtasiewicz, Bożena, Trull, Thomas W., Clementson, Lesley, Davies, Diana M., Patten, Nicole L., Schallenberg, Christina, Hardman-Mountford, Nick J.

“…The Kerguelen Plateau is one of the regions in the Southern Ocean where spatially large algal blooms occur annually due to natural iron fertilization. The…”
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Inferred influence of nutrient availability on the relationship between Sun-induced chlorophyll fluorescence and incident irradiance in the Bering Sea by Schallenberg, Christina, Lewis, Marlon R., Kelley, Dan E., Cullen, John J.

“…This study examines variability in the relationship between Sun‐induced chlorophyll fluorescence and incident solar irradiance as a potential diagnostic of the…”
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The subsurface biological structure of Southern Ocean eddies revealed by BGC-Argo floats by Su, Jiaoyang, Strutton, Peter G., Schallenberg, Christina

“…Mesoscale eddies play several key roles in the Southern Ocean by redistributing momentum, potential vorticity, heat and salt. However, the role of eddies in…”
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Widespread phytoplankton blooms triggered by 2019–2020 Australian wildfires by Tang, Weiyi, Llort, Joan, Weis, Jakob, Perron, Morgane M. G., Basart, Sara, Li, Zuchuan, Sathyendranath, Shubha, Jackson, Thomas, Sanz Rodriguez, Estrella, Proemse, Bernadette C., Bowie, Andrew R., Schallenberg, Christina, Strutton, Peter G., Matear, Richard, Cassar, Nicolas

“…Droughts and climate-change-driven warming are leading to more frequent and intense wildfires 1 – 3 , arguably contributing to the severe 2019–2020 Australian…”
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Biogeochemical characteristics of eddies in the East Australian Current depend on eddy type, history and location by Chen, Xiao, Schallenberg, Christina, Phillips, Helen, Chase, Zanna

“…Mesoscale eddies are ubiquitous in the East Australian Current (EAC), a nutrient poor western boundary current, and exert considerable impact on the…”
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Iron Limitation Drives the Globally Extreme Fluorescence/Chlorophyll Ratios of the Southern Ocean by Schallenberg, Christina, Strzepek, Robert F., Bestley, Sophie, Wojtasiewicz, Bozena, Trull, Thomas W.

“…The ratio between fluorescence (F) and chlorophyll‐a (Chl)—where fluorescence is measured with a saturating fluorometer—is variable in the world's oceans, with…”
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New Estimates of Southern Ocean Annual Net Community Production Revealed by BGC‐Argo Floats by Su, Jiaoyang, Schallenberg, Christina, Rohr, Tyler, Strutton, Peter G., Phillips, Helen E.

“…Using an expanding Southern Ocean fleet of biogeochemical Argo (BGC‐Argo) floats, we developed a novel approach to estimate annual net community production…”
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Iron and light limitation of phytoplankton growth off East Antarctica by Vives, Clara R., Schallenberg, Christina, Strutton, Peter G., Westwood, Karen J.

“…Phytoplankton production controls the transfer of carbon dioxide from the atmosphere into the ocean through the biological carbon pump, facilitating the…”
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The GEOTRACES Intermediate Data Product 2017 by Schlitzer, Reiner, Dodas, Elena Masferrer, Tagliabue, Alessandro, Jeandel, Catherine, Maldonado, Maria T., Cockwell, Donna, Achterberg, Eric P., Archer, Corey, de Baar, Hein J., Bakker, Karel, Basak, Chandranath, Bates, Nicholas R., Bluhm, Katrin, Boyle, Edward A., Buck, Kristen N., Butler, Edward, Cai, Pinghe, Carlson, Craig, Casciotti, Karen L., Chamizo, Elena, Chance, Rosie, Charette, Matthew A., Cheng, Hai, Christl, Marcus, Conway, Tim M., Cutter, Gregory A., Daniels, Chris, Dehairs, Frank, Duggan, Brian, Echegoyen-Sanz, Yolanda, Fripiat, Francois, Fröllje, Henning, Gamo, Toshitaka, Garcia-Orellana, Jordi, Gault-Ringold, Melanie, Gerringa, Loes J.A., Gilbert, Melissa, Gonzalez, Santiago R., Hammerschmidt, Chad, Hayes, Christopher T., Heller, Maija, Henderson, Paul B., van Heuven, Steven, Huang, Kuo-Fang, Kadko, David C., Klunder, Maarten, Labatut, Marie, Lamborg, Carl H., Lechtenfeld, Oliver J., Lherminier, Pascale, López-Lora, Mercedes, Lu, Yanbin, Measures, Christopher, van der Merwe, Pier, Milne, Angela, Minami, Tomoharu, Moncoiffe, Gwenaelle, Nakayama, Noriko, Obata, Hajime, Ohnemus, Daniel C., van Ooijen, Jan, Pavia, Frank, Peters, Brian, Queroue, Fabien, Radic, Amandine, Rember, Robert, Rickli, Joerg, Roca-Martí, Montserrat, Rodellas, Valenti, Rutgers van der Loeff, Michiel M., Ryabenko, Evgenia, Sanial, Virginie, Schauer, Ursula, Schnetger, Bernhard, Scott, Peter, Sedwick, Peter N., Shelley, Rachel, Singh, Sunil Kumar, Slagter, Hans A., Slater, Emma, Smethie, William M., Sohrin, Yoshiki, Steinfeldt, Reiner, Stirling, Claudine H., Swift, James H., Till, Claire P., Townsend, Ashley T., Tuerena, Robyn, Twining, Benjamin S., Warner, Mark J., Woodward, E. Malcolm S., Wu, Jingfeng, Wu, Yingzhe, Wuttig, Kathrin, Xiang, Yang, Xie, Ruifang C., Xue, Zichen, Zieringer, Moritz, Zunino, Patricia, Zurbrick, Cheryl

“…The GEOTRACES Intermediate Data Product 2017 (IDP2017) is the second publicly available data product of the international GEOTRACES programme, and contains…”
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One-third of Southern Ocean productivity is supported by dust deposition by Weis, Jakob, Chase, Zanna, Schallenberg, Christina, Strutton, Peter G., Bowie, Andrew R., Fiddes, Sonya L.

“…Natural iron fertilization of the Southern Ocean by windblown dust has been suggested to enhance biological productivity and modulate the climate 1 – 3 . Yet,…”
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