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Deep-Sea Research Part I, ISSN 0967-0637, 2009, Volume 56, Issue 9, pp. 1419 - 1439
We compare the output of an 18-box geochemical model of the ocean with measurements to investigate the controls on both the mean values and variation of... 
Nutrients | Stable isotope | Biogeochemistry | Nitrate | Numerical model | TROPICAL NORTH PACIFIC | FRACTIONATION | CIRCULATION | SOUTHERN-OCEAN | DENITRIFICATION | SEAWATER | FRESH-WATER | MARINE-SEDIMENTS | OCEANOGRAPHY | OXYGEN ISOTOPES | FIXATION | Soils | Nitrogen content | Geology | Analysis | Nitrification | Denitrification | Models | Oceanography | Oceanographic research
Journal Article
Geochimica et Cosmochimica Acta, ISSN 0016-7037, 2010, Volume 74, Issue 3, pp. 1030 - 1040
In order to provide biological systematics from which to interpret nitrogen (N) and oxygen (O) isotope ratios of nitrate ( 15N/ 14N, 18O/ 16O, respectively) in... 
GEOCHEMISTRY & GEOPHYSICS | TROPICAL NORTH PACIFIC | FRACTIONATION | REDUCTION | SOUTHERN-OCEAN | OXYGEN ISOTOPES | NITROGEN | DYNAMICS | NITRITE | FRESH-WATER | PHYTOPLANKTON | Analysis | Universities and colleges | Oceanography
Journal Article
Nature, ISSN 0028-0836, 10/2000, Volume 407, Issue 6806, pp. 859 - 869
Twenty years ago, measurements on ice cores showed that the concentration of carbon dioxide in the atmosphere was lower during ice ages than it is today. As... 
NITROGEN-FIXATION | LAST GLACIAL MAXIMUM | EASTERN EQUATORIAL PACIFIC | NORTH-ATLANTIC | SOUTHERN-OCEAN | MULTIDISCIPLINARY SCIENCES | VOSTOK ICE CORE | DEEP-SEA | SEDIMENT TRAPS | CALCITE LYSOCLINE | ISOTOPIC COMPOSITION | Antarctic Regions | Oceans and Seas | Animals | Plants | Atmosphere | Carbon Dioxide | Ice | Glaciers | Geology | Carbon dioxide
Journal Article
Analytical Chemistry, ISSN 0003-2700, 10/2002, Volume 74, Issue 19, pp. 4905 - 4912
We report a novel method for measurement of the oxygen isotopic composition (18O/16O) of nitrate (NO3 -) from both seawater and freshwater. The denitrifier... 
NITROUS-OXIDE | PSEUDOMONAS-STUTZERI | O-18 | CHEMISTRY, ANALYTICAL | ORIGIN | DELTA-O-18 | SOUTHERN-CALIFORNIA | DELTA-N-15 | CONTAINING NITRITE REDUCTASE | EXCHANGE | WATER | Reproducibility of Results | Algorithms | Oxygen Isotopes - analysis | Seawater - analysis | Nitrogen - chemistry | Fresh Water - analysis | Nitrates - analysis | Water Microbiology | Isotope separation | Nitrates | Methods
Journal Article
Geochimica et Cosmochimica Acta, ISSN 0016-7037, 05/2014, Volume 132, pp. 391 - 412
In order to strengthen environmental application of nitrate N and O isotopes, we measured the N and O isotopic fractionation associated with cellular nitrate... 
GEOCHEMISTRY & GEOPHYSICS | ARTIFICIAL SEAWATER MEDIUM | REDUCTASE-ACTIVITY | SOUTHERN-OCEAN | THALASSIOSIRA-WEISSFLOGII | OXYGEN ISOTOPES | INORGANIC NITROGEN | SILICON STARVATION | DENITRIFIER METHOD | MARINE-PHYTOPLANKTON | SKELETONEMA-COSTATUM | Enzymes | Analysis | Assimilation | Uptakes | Efflux | Fractionation | Isotope effect | Algae | Nitrates | Isotopes
Journal Article
Nature, ISSN 0028-0836, 01/2016, Volume 529, Issue 7587, pp. 519 - 522
Journal Article
Atmospheric Chemistry and Physics, ISSN 1680-7316, 2007, Volume 7, Issue 8, pp. 1925 - 1945
Throughout the year 2001, aerosol samples were collected continuously for 10 to 15 days at the French Antarctic Station Dumont d'Urville ( DDU) (66 degrees 40'... 
SOUTH-POLE | DUMONT DURVILLE | TEMPERATURE-DEPENDENCE | N-15/N-14 RATIOS | SEGREGATED AEROSOL COMPOSITION | METEOROLOGY & ATMOSPHERIC SCIENCES | MASS-INDEPENDENT FRACTIONATION | ICE-CORE | STRATOSPHERIC OZONE | N-15 ABUNDANCE MEASUREMENTS | ANTHROPOGENIC SULFATE
Journal Article
Analytical Chemistry, ISSN 0003-2700, 09/2001, Volume 73, Issue 17, pp. 4145 - 4153
Journal Article
Analytical Chemistry, ISSN 0003-2700, 01/2007, Volume 79, Issue 2, pp. 599 - 607
Interaction with ozone transfers its anomalous (non-mass-dependent) 17O enrichment to atmospheric nitrogen oxides and nitrate. The 17O anomaly (Δ17O) in... 
REACTIVE NITROGEN | RATIOS | CHEMISTRY, ANALYTICAL | FRACTIONATION | O-18/O-16 | ANOMALIES | DEPOSITION | EQUILIBRIUM | DELTA-O-17 | FRESH-WATER | ATMOSPHERIC NITRATE
Journal Article
Journal of Geophysical Research: Oceans, ISSN 0148-0227, 11/2011, Volume 116, Issue C11, p. n/a
We studied the nitrogen biogeochemistry of the ice‐covered eastern Bering Sea shelf using the isotope ratios (15N/14N and 18O/16O) of NO3− and other N species.... 
stable isotopes | nitrate | Bering Sea shelf | denitrification | nitrification | sea ice | Biogeochemistry | Geobiology | Oceans | Ice | Nitrogen | Isotopes | Cryosphere
Journal Article
Science, ISSN 0036-8075, 8/2001, Volume 293, Issue 5533, pp. 1304 - 1308
Titanium and iron concentration data from the anoxic Cariaco Basin, off the Venezuelan coast, can be used to infer variations in the hydrological cycle over... 
Sex ratio | Climate change | Paleoclimatology | Ants | Colonies | Male animals | Insect colonies | Reports | Queen insects | Sediments | Holocene climatic optimum | VARIABILITY | TIMESCALES | CIRCULATION | TEMPERATURES | OCEAN | MULTIDISCIPLINARY SCIENCES | TROPICAL ATLANTIC | VENEZUELA | CLIMATE-CHANGE | CARIACO BASIN | EL-NINO | Geology, Stratigraphic | Research | Holocene | Sediments (Geology) | Hydrology | Iron | Oceanography | Metals
Journal Article
Geochimica et Cosmochimica Acta, ISSN 0016-7037, 01/2015, Volume 148, pp. 179 - 190
The skeleton-bound organic nitrogen in reef-building symbiotic corals may be a high-resolution archive of ocean nitrogen cycle dynamics and a tool for... 
GEOCHEMISTRY & GEOPHYSICS | NITRATE UPTAKE | STYLOPHORA-PISTILLATA | ZOOXANTHELLAE | TROPICAL SCLERACTINIAN CORALS | NORTH-ATLANTIC | SARGASSO SEA | SEA-SURFACE TEMPERATURE | DELTA-N-15 | FRESH-WATER | EL-NINO | Biogeochemistry | Proxy | Corals | Analysis | Nitrification | Carbonates | Biogeochemical cycles | Methods | Symbiosis | Plankton | Monitors | Tools | Bermuda | Nitrates | Sampling | Atmospherics
Journal Article