Dataset: Nutrients from CTD casts conducted on R/V Hugh R. Sharp cruise HRS2212 in the Chesapeake Bay during August 2022

ValidatedFinal no updates expectedDOI: 10.26008/1912/bco-dmo.896169.1Version 1 (2023-05-31)Dataset Type:Cruise Results

Principal Investigator: Bess B. Ward (Princeton University)

BCO-DMO Data Manager: Shannon Rauch (Woods Hole Oceanographic Institution)


Project: Nitrite Oxidation in Oxygen Minimum Zones (NO2Ox_OMZs)


Abstract

This dataset includes nutrient data from R/V Hugh R. Sharp cruise HRS2212 in the Chesapeake Bay during August 2022.

Water samples were collected using a 12 x 10-liter Niskin bottle rosette sampler equipped with a conductivity, temperature, and pressure instrument package (SBE9, Sea-Bird Electronics, Bellevue, Washington, U.S.A.), a sensor for dissolved oxygen (SBE43, Sea-Bird), and a sensor for chlorophyll fluorescence (FluoroWetlabECO, AFL FL Sensor). NH4 and NO2 were measured on board immediately after sample collection. NO3 was assayed in the home laboratory on samples stored frozen at the time of collection.


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Methods

Garside, C. (1982). A chemiluminescent technique for the determination of nanomolar concentrations of nitrate and nitrite in seawater. Marine Chemistry, 11(2), 159–167. doi:10.1016/0304-4203(82)90039-1
Methods

Hansen, H. P., & Koroleff, F. (1999). Determination of nutrients. Methods of Seawater Analysis, 159–228. Portico. https://doi.org/10.1002/9783527613984.ch10
Methods

Holmes, R. M., Aminot, A., Kerouel, R., Hooker, B. A., & Peterson, B. J. (1999). A simple and precise method for measuring ammonium in marine and freshwater ecosystems. Canadian Journal of Fisheries and Aquatic Sciences, 56(10), 1801-1808. doi:10.1139/f99-128