| Water quality metrics collected from 10 meter reefs from around the U.S. Virgin Islands during April 2022 (Multi-scale multi-host disease spread project) | Ammonium concentration measured from 30 ml samples collected 2 meters above the reef.
| NH4 |
| 1-dimensional data assimilative modeling results for Station ALOHA (22.75 N, 158.0 W) from 1991-2005 (C-MORE project) | ammonium
| NH4 |
| Seawater properties and biogeochemical parameters of bottom boundary layer samples collected aboard the R/V Oceanus during ten cruises from 2017-2019 from the Oregon shelf and slope. | ammunium
| NH4 |
| Environmental observations and infected host and dinospore counts in Salt Pond, Falmouth, Massachusetts, USA from 2018 through 2019 | NH4
| NH4 |
| Physical environmental data from Little Lagoon, Alabama collected from 2012-2013. | Average water column values for ammonium
| avg_waterColumn_NH4 |
| Physical environmental data from Little Lagoon, Alabama collected from 2012-2013. | Standard error of average water column values for ammonium
| avg_waterColumn_NH4_SE |
| Physical environmental data from Little Lagoon, Alabama collected from 2012-2013. | NH4- concentration in the water column of site East; location of site is 30.253347, -87.724729
| East_waterColumn_NH4 |
| Physical environmental data from Little Lagoon, Alabama collected from 2012-2013. | Standard error of NH4+ concentration in the water column.
| East_waterColumn_NH4_SE |
| Physical environmental data from Little Lagoon, Alabama collected from 2012-2013. | NH4+ concentration in the water column of site Mouth; location of site is 30.243683, -87.738407
| Mouth_waterColumn_NH4 |
| Physical environmental data from Little Lagoon, Alabama collected from 2012-2013. | Standard error of NH4+ concentration in the water column.
| Mouth_waterColumn_NH4_SE |
| Physical environmental data from Little Lagoon, Alabama collected from 2012-2013. | NH4+ concentration in the water column of site West; location of site is 30.247181, -87.767856
| West_waterColumn_NH4 |
| Physical environmental data from Little Lagoon, Alabama collected from 2012-2013. | Standard error of NH4+ concentration in the water column.
| West_waterColumn_NH4_SE |
| Microbial abundance, activity, and nutrient concentrations in Delaware Bay from R/V Hugh R. Sharp HRS090706DK in the Delaware Bay from July 2009 (Active bacteria in surface waters project) | ammonium concentration
| NH4 |
| Nutrient concentrations and microbial counts from Niskin bottle collections on R/V Atlantic Explorer A1703 in the Bermuda Atlantic Time-series Study site from Mar/April 2016 | Ammonium ion concentration by flow injection autoanalyzer (Lachat QuikChem 8000)
| NH4 |
| Organismal physiological metrics from time series experiments on samples collected on R/V Atlantic Explorer cruise AE1910 in May 2019 | Mass specific ammonium excretion rate
| mNH4 |
| Organismal physiological metrics from time series experiments on samples collected on R/V Atlantic Explorer cruise AE1910 in May 2019 | Ammonium excretion rate
| NH4 |
| Macronutrients and dissolved and particulate trace metals collected from the R/V Atlantic Explorer cruise AE1913 in the Sargasso Sea in June of 2019 | dissolved ammonium
| NH4 |
| Alkalinity and dissolved inorganic carbon (DIC) from sea water samples collected at coral reefs from equatorial central Pacific in 1973, 2012, 2015, and 2018 | Ammonium, NH4
| Ammonium |
| Ammonia-nitrite-nitrate assays from R/V Clifford A. Barnes cruises CB921, CB924, CB928, CB933, CB944 from the East Sound, Hood Canal; 2008-2010 (Marine Nitrogen Cycle project) | NH4
| NH4 |
| Ammonia-nitrite-nitrate assays from R/V Clifford A. Barnes cruises CB921, CB924, CB928, CB933, CB944 from the East Sound, Hood Canal; 2008-2010 (Marine Nitrogen Cycle project) | NH4+ * 10
| NH4plus_x_10 |
| Ammonium (NH4) data from CTD rosette bottles from R/V Thomas G. Thompson and R/V Kilo Moana cruises TN277, KM1301, KM1312 in the Eastern North Pacific Ocean from 2012-2013 (POWOW project) | Ammonium (NH4) concentration in nM.
| NH4 |
| High-sensitivity euphotic zone ammonium from R/V Thomas G. Thompson TT043, TT053 cruises in the Arabian Sea in 1995 (U.S. JGOFS Arabian Sea project) | ammonium concentration
| NH4 |
| High-sensitivity euphotic zone ammonium data from R/V Thomas G. Thompson cruises TT007, TT011 in the Equatorial Pacific in 1992 during the U.S. JGOFS Equatorial Pacific (EqPac) project | ammonium concentration
| nh4 |
| Ambient ammonium and urea concentrations from RVIB Nathaniel B. Palmer NBP-96-4A, NBP-97-1, NBP-97-3, NBP-97-8 cruises in the Southern Ocean in 1997 (U.S. JGOFS AESOPS project) | ammonium concentration
| NH4 |
| Measurements of nutrient flux and denitrification in clam aquaculture sediments. | Concentration per hour
| NH4 |
| Water column nutrient data from RV/Neil Armstrong cruise AR16, May 2017 | Ammonium concentration; bdl = 0.047 umol per liter
| NH4 |
| Nitrogen fixation rates from samples collected in the Chukchi Sea, Arctic Ocean near Barrow, Alaska in August of 2011 (ArcticNITRO project) | Ammonium concentration [NH4]
| Ammonium |
| Nitrogen fixation rates from samples collected in the Chukchi Sea, Arctic Ocean near Barrow, Alaska in August of 2011 (ArcticNITRO project) | Ammonium concentration [NH4] standard deviation
| Ammonium_SD |
| Fluorescence dissolved organic matter (fDOM) analysis of inhalant and exhalent water samples from sponges studied at an artificial reef off the coast of the Florida Keys, USA in August 2021 | Concentration of dissolved ammonium in micromoles per liter
| Ammonium |
| Porewater NO3+NO2 and Ammonia from samples collected by pushcore from Guaymas Basin hydrothermal sediments on R/V Atlantis cruise AT37-06 in the Guaymas Basin in December 2016 | NH4
| NH4 |
| Sediment geochemistry summary from push cores collected during HOV Alvin dives during the R/V Atlantis cruise AT37-06 in the Guaymas Basin from December 2016 | Ammonium; method detection limit = 0.1
| NH4 |
| Sediment geochemistry from push cores collected during HOV Alvin dives during the R/V Atlantis cruise AT42-05 in Guaymas Basin, Gulf of California (27 00.00 N, -111 20.00 W) in November 2018 | Pore water concentrations of ammonium; method detection limit = 0.1
| NH4_uM |
| Geochemical measurements of CTD and Alvin Niskin samples collected in the Gulf of California on RV/Atlantis AT42-05 Alvin dives, Nov. 2018 | Water column ammonium concentration; detection limit=0.1
| NH4 |
| Porewater geochemical data from sediment pushcores collected from Southern California Seeps in July 2023 on R/V Atlantis cruise AT50-12 | concentration of ammonium ion
| Ammonium |
| Geochemical data from sediment pushcore porewaters and water column Niskin samples collected from Gulf of Alaska, Alaska, USA, in June 2024 on R/V Atlantis cruise AT50-24 | concentration of ammonium ion
| Ammonium |
| 15NO3 data, acetylene reduction assays, and NH4+ diffusion average summaries from samples collected in Little Lagoon, Alabama from 2012 to 2013. | Average anerobic ammonium oxidation
| Avg_anammox |
| 15NO3 data, acetylene reduction assays, and NH4+ diffusion average summaries from samples collected in Little Lagoon, Alabama from 2012 to 2013. | Standard error of average anerobic ammonium oxidation
| Avg_anammox_SE |
| 15NO3 data, acetylene reduction assays, and NH4+ diffusion average summaries from samples collected in Little Lagoon, Alabama from 2012 to 2013. | Average dissimilatory nitrate reduction to ammonium
| Avg_DNRA |
| 15NO3 data, acetylene reduction assays, and NH4+ diffusion average summaries from samples collected in Little Lagoon, Alabama from 2012 to 2013. | Standard error of average dissimilatory nitrate reduction to ammonium
| Avg_DNRA_SE |
| Bacterial and viral cell counts, and nutrients from 5 cruises on the R/V Hugh R. Sharp in Delaware and Chesapeake Bays, 2014-2016 (Coastal Bacterial Growth Rates project) | Ammonium concentration
| NH4 |
| Benthic fluxes of solutes measured by in-situ benthic flux chambers along two depth transects in the Santa Barbara Basin during November 219 | Ammonium (NH4+) flux. Positive fluxes represent fluxes from the sediment into the water column. Negative fluxes represent fluxes from the water column into the sediment.
| Ammonium_flux |
| Benthic fluxes of solutes measured by in-situ benthic flux chambers along two depth transects in the Santa Barbara Basin during November 219 | Number of time points used in Ammonium flux calculation
| Ammonium_number_of_time_points |
| Benthic fluxes of solutes measured by in-situ benthic flux chambers along two depth transects in the Santa Barbara Basin during November 219 | r-square (r^2) value of Ammonium flux curve
| Ammonium_r2_of_flux_curve |
| Porewater geochemistry of sediments collected Fall 2019 in the Santa Barbara Basin using ROV Jason during R/V Atlantis cruise AT42-19 | Ammonium ion concentration in porewater
| Ammonium |
| Benthic dissolved oxygen and nutrient fluxes from sediment core incubations conducted aboard the R/V Oceanus and R/V Robert G. Sproul during nine cruises from 2018-2022 from the Oregon and Washington shelf | The measured ammonium benthic flux of the incubated core
| NH4 |
| Benthic flux data from sediment cores collected in the York River Estuary, VA in 2020 | sediment ammonium concentrations
| NH4_1 |
| Benthic fluxes collected in August 2018 and July 2019 in northern Gulf of Mexico shelf on R/V Pelican | sediment ammonium (NH4) flux
| NH4_flux |
| Benthic macroalgal and water column carbon uptake rates in an experimental chamber, Maunalua, O’ahu, Hawai’i, 2015-2016 | Ammonia concentration of water inside the benthic chamber at the beginning of the experiment.
| ammonia_pre |
| Dissolved nutrients from Espelandsvegen Fjord, Bergen Norway, May 2017 | ammonium concentration; bd = below detection
| Ammonium_uM |
| Biogeochemical measurements from R/V Blue Heron BH10-01, BH10-06, BH10-13, BH10-22, BH09-SINC1 in the Lake Superior from 2009 to 2010 (SINC project) | Ammoniuum
Detailed Acquisition and Processing Metadata for All Parameters
| NH4 |
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