Search Results - "Izett, Robert W"

Irradiance and nutrient-dependent effects on photosynthetic electron transport in Arctic phytoplankton: A comparison of two chlorophyll fluorescence-based approaches to derive primary photochemistry by Sezginer, Yayla, Suggett, David J, Izett, Robert W, Tortell, Philippe D

“…We employed Fast Repetition Rate fluorometry for high-resolution mapping of marine phytoplankton photophysiology and primary photochemistry in the Lancaster…”
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ΔO2/N2′ as a New Tracer of Marine Net Community Production: Application and Evaluation in the Subarctic Northeast Pacific and Canadian Arctic Ocean by Izett, Robert W., Hamme, Roberta C., McNeil, Craig, Manning, Cara C. M., Bourbonnais, Annie, Tortell, Philippe D.

“…We compared field measurements of the biological O 2 saturation anomalies, ΔO 2 /Ar and ΔO 2 /N 2 , from simultaneous oceanographic deployments of a membrane…”
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Reviews and syntheses: expanding the global coverage of gross primary production and net community production measurements using Biogeochemical-Argo floats by Izett, Robert W, Fennel, Katja, Stoer, Adam C, Nicholson, David P

“…This paper provides an overview and demonstration of emerging float-based methods for quantifying gross primary production (GPP) and net community production…”
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Refined Estimates of Net Community Production in the Subarctic Northeast Pacific Derived From ΔO2/Ar Measurements With N2O‐Based Corrections for Vertical Mixing by Izett, Robert W., Manning, Cara C., Hamme, Roberta C., Tortell, Philippe D.

“…We present the first field application of a N2O‐based approach to correct for vertical mixing in the estimation of net community production (NCP) from mixed…”
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Carbon: Chlorophyll Ratios and Net Primary Productivity of Subarctic Pacific Surface Waters Derived From Autonomous Shipboard Sensors by Burt, William J., Westberry, Toby K., Behrenfeld, Michael J., Zeng, Chen, Izett, Robert W., Tortell, Philippe D.

“…We present optically derived estimates of phytoplankton carbon (Cphyto) and chlorophyll a concentration (Chl) across a wide range of productivity and…”
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The Pressure of In Situ Gases Instrument (PIGI): for Autonomous Shipboard Measurement of Dissolved O₂ and N₂ in Surface Ocean Waters by Izett, Robert W., Tortell, Philippe D.

“…We describe an autonomous flow-through system capable of continuous, unattended measurements of oxygen (O₂) and nitrogen (N₂) concentrations in surface…”
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Interannual Variability in Methane and Nitrous Oxide Concentrations and Sea‐Air Fluxes Across the North American Arctic Ocean (2015–2019) by Manning, Cara C. M., Zheng, Zhiyin, Fenwick, Lindsay, McCulloch, Ross D., Damm, Ellen, Izett, Robert W., Williams, William J., Zimmermann, Sarah, Vagle, Svein, Tortell, Philippe D.

“…Between 2015 and 2018, we collected approximately 2,000 water column measurements of methane (CH4) and nitrous oxide (N2O) concentrations in the North American…”
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Impact of Vertical Mixing on Summertime Net Community Production in Canadian Arctic and Subarctic Waters: Insights From In Situ Measurements and Numerical Simulations by Izett, Robert W., Castro de la Guardia, Laura, Chanona, Melanie, Myers, Paul G., Waterman, Stephanie, Tortell, Philippe D.

“…We present ΔO2/Ar‐based estimates of mixed layer net community production (NCP) from three summer cruises in the North American Arctic and Subarctic oceans…”
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ΔO 2 / N 2 ′ as a tracer of mixed layer net community production: Theoretical considerations and proof‐of‐concept by Izett, Robert W., Tortell, Philippe D.

“…We present a method to estimate net community production (NCP) from underway ΔO 2 /N 2 observations. This approach, based on high‐resolution measurements using…”
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ΔO2/N2′ as a tracer of mixed layer net community production: Theoretical considerations and proof‐of‐concept by Izett, Robert W., Tortell, Philippe D.

“…We present a method to estimate net community production (NCP) from underway ΔO2/N2 observations. This approach, based on high‐resolution measurements using…”
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Decoupling of ΔO 2 ∕Ar and particulate organic carbon dynamics in nearshore surface ocean waters by Rosengard, Sarah Z., Izett, Robert W., Burt, William J., Schuback, Nina, Tortell, Philippe D.

“…We report results from two Lagrangian drifter surveys off the Oregon coast, using continuous shipboard sensors to estimate mixed-layer gross primary…”
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Refined Estimates of Net Community Production in the Subarctic Northeast Pacific Derived From ΔO 2 /Ar Measurements With N 2 O‐Based Corrections for Vertical Mixing by Izett, Robert W., Manning, Cara C., Hamme, Roberta C., Tortell, Philippe D.

“…We present the first field application of a N 2 O‐based approach to correct for vertical mixing in the estimation of net community production (NCP) from mixed…”
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Decoupling of ΔO2/Ar and particulate organic carbon dynamics in nearshore surface ocean waters by Rosengard, Sarah Z, Izett, Robert W, Burt, William J, Schuback, Nina, Tortell, Philippe D

“…We report results from two Lagrangian drifter surveys off the Oregon coast, using continuous shipboard sensors to estimate mixed-layer gross primary…”
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Irradiance and nutrient-dependent effects on photosynthetic electron transport in Arctic phytoplankton: A comparison of two chlorophyll fluorescence-based approaches to derive primary photochemistry by Yayla Sezginer, David J Suggett, Robert W Izett, Philippe D Tortell

“…We employed Fast Repetition Rate fluorometry for high-resolution mapping of marine phytoplankton photophysiology and primary photochemistry in the Lancaster…”
Get full text