| Benthic flux data from sediment cores collected in the York River Estuary, VA in 2020 | ²⁹N₂ and ³⁰N₂ were measured by the membrane inlet mass spectrometer (MIMS, Balzers Prisma).
| membrane inlet mass spectrometer (MIMS, Balzers Prisma) |
| Sediment oxygen demand and ammonium, nitrate plus nitrate, and phosphate flux data from Little Lagoon, Alabama | Used for dissolved gas analysis
| MIMS |
| Calibration of the Isotope Ratio Mass Spectrometer vs. aliquots of 15N2 gas diluted in air then helium | Membrane Inlet Mass Spectrometer (Bay Instruments)
| Membrane Inlet Mass Spectrometer |
| Dinitrogen to argon ratios (N2:Ar) from CTD bottle samples collected during R/V Hugh R. Sharp cruise HRS1317 in Chesapeake Bay in September of 2013 | N2:Ar was measured on a membrane inlet mass spectrometer (MIMS) equipped with a flow-through capillary membrane inlet (Bay Instruments, Easton, Maryland)
| membrane inlet mass spectrometer (MIMS) |
| CTD and underwater mass spectrometer data acquired in 2016 aboard the RV/Endeavor (cruise EN575) in the the subtropical Atlantic using a Triaxus tow vehicle. | SWIMS: Submersible Wet Inlet Mass Spectrometer is a membrane inlet mass spectrometer that is submersible to 2000 m and samples every 2 seconds for pre-chosen masses.
| SWIMS |
| CTD and underwater mass spectrometer data acquired in 2017 aboard the RV/Endeavor (cruise EN602) in the the subtropical Atlantic using a Triaxus tow vehicle. | SWIMS: Submersible Wet Inlet Mass Spectrometer is a membrane inlet mass spectrometer that is submersible to 2000 m and samples every 2 seconds for pre-chosen masses.
| SWIMS |
| Denitrification and DNRA data from Little Lagoon, Alabama collected from 2012-2013 | Used to measure dissolved gas
| MIMS |
| Analysis of dissolved 15N2 gas standards by Membrane Inlet Mass Spectrometry | Membrane Inlet Mass Spectrometer (Bay Instruments)
| Membrane Inlet Mass Spectrometer |
| Gross oxygen production and total daytime oxygen consumption derived from in vitro incubations deployed in situ at different depths at Station ALOHA during June 2019 (cruise ID KM1910) | Membrane inlet mass spectrometer consists of a Pfeiffer Vacuum HiCube 80 Eco turbo pumping station connected to a HiQuayTM quadrupole mass spectrometer (QMG700), with a Balzers radio frequency generator (QMH 400-5) and a Balzers analyzer (QMA 430). The membrane inlet design is from Bay Instruments (Easton, Maryland).
| Membrane inlet mass spectrometer |
| Test of integrity of dissolved 15N2 gas samples stored in Exetainer vials | Membrane Inlet Mass Spectrometer (Bay Instruments)
| Membrane Inlet Mass Spectrometer |
| Primary results from the design and validation of an LED-based photochemical reactor | | Membrane inlet mass spectrometer (Bay Instruments, Inc.) |
| Comparison of Membrane Inlet Mass Spectrometry (MIMS) to Isotope Ratio Mass Spectrometer (IRMS) | Membrane Inlet Mass Spectrometer (Bay Instruments)
| Membrane Inlet Mass Spectrometer |
| Oxygen to argon molar ratios measured in surface waters of Station ALOHA between June 16 and June 23, 2019 onboard R/V Kilo Moana cruise KM1910. | Membrane inlet mass spectrometer consists of a Pfeiffer Vacuum HiCube 80 Eco turbo pumping station connected to a HiQuayTM quadrupole mass spectrometer (QMG700), with a Balzers radio frequency generator (QMH 400-5) and a Balzers analyzer (QMA 430). The membrane inlet design is from Bay Instruments (Easton, Maryland).
| Membrane inlet mass spectrometer |
| Test of potential mass to charge 30 interferences from O2 | Membrane Inlet Mass Spectrometer (Bay Instruments)
| Membrane Inlet Mass Spectrometer |
| Nutrient and metabolic fluxes on oyster reefs from the Choptank River and Harris Creek, Maryland data from June through August of 2017 (published in Jackson et al., 2018) | | |
| Dissolved oxygen from 4 field sites in Bogue Sound, North Carolina from 2014 to 2015. | Used to measure oxygen concentrations
| Membrane inlet mass spectrometer |
| Physiology of phytoplankton collected in coastal waters at Palmer LTER near Palmer Station, Antarctica, 2012 and 2013 (Phytoplankton Seasonal Dynamics project) | To measure dissolved gases
| |
| R/V Falkor 160115 CTD log from the ProteOMZ expedition in the Central Pacfic during 2016 (ProteOMZ project) | | MIMS |
| Sediment NO3 reduction rates, associated genes, and environmental data from bimonthly samples collected along the York River Estuary from June 2018 to April 2019 | ²⁹N₂ and ³⁰N₂ were measured in the liquid form by a membrane inlet mass spectrometer (MIMS, Balzers Prisma).
| membrane inlet mass spectrometer (MIMS, Balzers Prisma) |
| Surface water gas concentrations in coastal waters from Palmer LTER near the Antarctic Peninsula from 2012-2013 (Phytoplankton Seasonal Dynamics project) | To measure dissolved gases
| |
| Trial A test of the dissolution method for estimates of the 15N2 atom% of incubations | Membrane Inlet Mass Spectrometer (Bay Instruments)
| Membrane Inlet Mass Spectrometer |
| Trial B test of the dissolution method for estimates of the 15N2 atom% of incubations | Membrane Inlet Mass Spectrometer (Bay Instruments)
| Membrane Inlet Mass Spectrometer |
| Sets of sediment cores taken for isotope pairing and other nitrogen cycle parameters seasonally since November 2013 from two oyster farm and control sites in Rhode Island and New York | N2 isotopologues are measured on the membrane inlet mass spectrometer (MIMS) and are used to calculate rates of both coupled and direct DNF via the isotope pairing method (IPT, Steingruber et al. 2001).
| membrane inlet mass spectrometer |
©2020 Biological and Chemical Oceanography Data Management Office.