Search Results - "Grundle, Damian S"

Volcanic ash fuels anomalous plankton bloom in subarctic northeast Pacific by Hamme, Roberta C., Webley, Peter W., Crawford, William R., Whitney, Frank A., DeGrandpre, Michael D., Emerson, Steven R., Eriksen, Charles C., Giesbrecht, Karina E., Gower, Jim F. R., Kavanaugh, Maria T., Peña, M. Angelica, Sabine, Christopher L., Batten, Sonia D., Coogan, Laurence A., Grundle, Damian S., Lockwood, Deirdre

“…Using multiple lines of evidence, we demonstrate that volcanic ash deposition in August 2008 initiated one of the largest phytoplankton blooms observed in the…”
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Continental margin sediments underlying the NE Pacific oxygen minimum zone are a source of nitrous oxide to the water column by Jameson, Brett D., Berg, Peter, Grundle, Damian S., Stevens, Catherine J., Juniper, S. Kim

“…Continental margin sediments are important sites of marine nitrogen cycling and potential contributors to atmospheric N2O emissions. We employed trace‐level…”
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Network analysis of 16S rRNA sequences suggests microbial keystone taxa contribute to marine N2O cycling by Jameson, Brett D., Murdock, Sheryl A., Ji, Qixing, Stevens, Catherine J., Grundle, Damian S., Kim Juniper, S.

“…The mechanisms by which large-scale microbial community function emerges from complex ecological interactions between individual taxa and functional groups…”
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An automated, laser‐based measurement system for nitrous oxide isotope and isotopomer ratios at nanomolar levels by Ji, Qixing, Grundle, Damian S.

“…Rationale Nitrous oxide (N2O) is an atmospheric trace gas regulating Earth's climate, and is a key intermediate of many nitrogen cycling processes in aquatic…”
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Nitrous Oxide Distributions in the Oxygenated Water Column of the Sargasso Sea by Meyer, Annaliese C. S., Cullen, Jay T., Grundle, Damian S.

“…This study presents dissolved nitrous oxide (N 2 O) concentrations in the water column at the Bermuda Atlantic Time-series Study (BATS) station and uses a…”
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Denitrification and flushing of the Santa Barbara Basin bottom waters by Goericke, Ralf, Bograd, Steven J, Grundle, Damian S

“…The sediments of the Santa Barbara Basin (SBB) are an important paleoecological resource since their structure reflects the oxygenation of the bottom waters…”
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Observed El Niño conditions in the eastern tropical Pacific in October 2015 by Stramma, Lothar, Fischer, Tim, Grundle, Damian S., Krahmann, Gerd, Bange, Hermann W., Marandino, Christa A.

“…A strong El Niño developed in early 2015. Measurements from a research cruise on the R/V Sonne in October 2015 near the Equator east of the Galapagos Islands…”
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Investigating the effect of El Niño on nitrous oxide distribution in the eastern tropical South Pacific by Ji, Qixing, Altabet, Mark A., Bange, Hermann W., Graco, Michelle I., Ma, Xiao, Arévalo-Martínez, Damian L., Grundle, Damian S.

“…The open ocean is a major source of nitrous oxide (N2O), an atmospheric trace gas attributable to global warming and ozone depletion. Intense sea-to-air N2O…”
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High Abundances and Expression Levels of Atypical, Non‐Denitrifier N2O Reductases Drive Strong Microbial N2O Consumption Rates in a Minimally Impacted Mangrove Stand by Jameson, Brett D., Lopez, Mark Louie D., Bonderud, Matthew, Stevens, Catherine J., Juniper, S. Kim, Helbing, Caren C., Grundle, Damian S.

“…Knowledge of the ecological mechanisms governing N2O cycling in marine sediments lags that of water columns and terrestrial soils, leaving much to be learned…”
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Oxygen utilization and downward carbon flux in an oxygen-depleted eddy in the eastern tropical North Atlantic by Fiedler, Björn, Grundle, Damian S, Schütte, Florian, Karstensen, Johannes, Löscher, Carolin R, Hauss, Helena, Wagner, Hannes, Loginova, Alexandra, Kiko, Rainer, Silva, Péricles, Tanhua, Toste, Körtzinger, Arne

“…The occurrence of mesoscale eddies that develop suboxic environments at shallow depth (about 40–100 m) has recently been reported for the eastern tropical…”
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Nitrification from the lower euphotic zone to the sub-oxic waters of a highly productive British Columbia fjord by Grundle, Damian S., Juniper, S. Kim

“…Nitrification rates were measured monthly from April to October 2008, at depths ranging from the lower euphotic zone to the sub-oxic waters of Saanich Inlet…”
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Temporal and Vertical Oxygen Gradients Modulate Nitrous Oxide Production in a Seasonally Anoxic Fjord: Saanich Inlet, British Columbia by Ji, Qixing, Jameson, Brett D., Juniper, S. Kim, Grundle, Damian S.

“…Nitrous oxide (N2O) is a strong greenhouse gas and an ozone depleting agent. In marine environments, N2O is produced biologically via ammonium oxidation,…”
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Euphotic zone nitrification in the NE subarctic Pacific: Implications for measurements of new production by Grundle, Damian S., Juniper, S. Kim, Giesbrecht, Karina E.

“…Ammonium (NH4+) oxidation rates, nitrate (NO3−) uptake rates and dissolved nutrient concentrations were measured throughout the euphotic zone along the Line P…”
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Upper Water Column Nitrous Oxide Distributions in the Northeast Subarctic Pacific Ocean by Grundle, Damian S., Maranger, Roxane, Juniper, S. Kim

“…This is the first study to investigate the magnitude and distribution of N 2 O concentrations along the Line P oceanographic transect in the Northeast (NE)…”
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High Abundances and Expression Levels of Atypical, Non‐Denitrifier N 2 O Reductases Drive Strong Microbial N 2 O Consumption Rates in a Minimally Impacted Mangrove Stand by Jameson, Brett D., Lopez, Mark Louie D., Bonderud, Matthew, Stevens, Catherine J., Juniper, S. Kim, Helbing, Caren C., Grundle, Damian S.

“…Abstract Knowledge of the ecological mechanisms governing N 2 O cycling in marine sediments lags that of water columns and terrestrial soils, leaving much to…”
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Network analysis of 16S rRNA sequences suggests microbial keystone taxa contribute to marine N 2 O cycling by Jameson, Brett D, Murdock, Sheryl A, Ji, Qixing, Stevens, Catherine J, Grundle, Damian S, Kim Juniper, S

“…The mechanisms by which large-scale microbial community function emerges from complex ecological interactions between individual taxa and functional groups…”
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Variations of phytoplankton productivity and biomass over an annual cycle in Saanich Inlet, a British Columbia fjord by Grundle, D S, Timothy, DA, Varela, DE

“…Saanich Inlet is a highly productive temperate fjord with the capability to record inter-annual patterns of water-column primary production in undisturbed…”
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