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| griddap | Subset | tabledap | Make A Graph | wms | files | Accessible | Title | Summary | FGDC | ISO 19115 | Info | Background Info | RSS | Institution | Dataset ID | |
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| log in | [Physiological measurements from PUPCYCLE II iron incubation experiment] - Physiological measurements from iron incubation experiment using upwelled waters in the California Current System during the PUPCYCLE II cruise in May and June 2023 (CAREER: An integrated molecular and physiological approach to examining the dynamics of upwelled phytoplankton in current and changing oceans) | This dataset includes physiological measurements from an iron incubation experiment using upwelled waters sampled in the California Current System (CCS) during the PUPCYCLE II cruise with Chief Scientist Adrian Marchetti. PUPCYCLE II (Phytoplankton response to the UPwelling CYCLE) took place onboard the R/V Sally Ride from May 29th to June 10th, 2023. Freshly upwelled seawater for the incubation experiment was collected within the northern CCS and placed into designated cubitainers. Three cubitainers were immediately harvested for the initial timepoint (T0). The remaining twenty-seven cubitainers were assigned treatments: nine were unamended (Ctrl), nine were amended with 5 nM FeCl2 (Fe), and nine were amended with 200 nM desferrioxamine B (DFB), a strong iron chelator. Three cubitainers from each treatment were harvested for each of the three subsequent timepoints: 48 hours (T1), 168 hours (T2), and 264 hours (T3) after incubation. This dataset provides metadata for each sample (sample ID, datetime, etc.) as well as measurements for the following physiological parameters: dissolved nutrients, size-fractionated chlorophyll a, nitrate and carbon isotope uptake rates, flow cytometry, FlowCam imaging, and mixotroph grazing experiments. These measurements provide vital information on phytoplankton communities in the CCS in response to variable iron regimes, which provides context for metatranscriptomics studies conducted on the same samples, with the overarching goal to understand trophic mode preference under micronutrient limitation.\n\ncdm_data_type = Other\nVARIABLES:\nSample_ID (unitless)\nQ_Number (unitless)\nTimepoint (unitless)\nTreatment (unitless)\nReplicate (unitless)\nTimepoint_Hours (hours)\ntime (Iso_datetime_utc, seconds since 1970-01-01T00:00:00Z)\nNitrate (micromolar (uM))\nPhosphate (micromolar (uM))\nSilicic_Acid (micromolar (uM))\nChla_Large (micrograms per liter (ug/L))\n... (29 more variables)\n | BCO-DMO | bcodmo_dataset_994607_v1 |