Instruments that illuminate a sample inside an optical cavity, typically using laser light, and measure the concentration or amount of a species in gas phase by absorption spectroscopy. Techniques include cavity ring-down spectroscopy (CRDS) and integrated cavity output spectroscopy (ICOS).
Dataset Name | PI-Supplied Description | PI-Supplied Name |
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Bottle data from R/V Endeavor cruise EN665 in the Gulf of Maine, conducted April 7-12, 2021 | DIC-d13C was determined using an Apollo AS-D1 DIC and d13C-DIC analyzer unit, connected to a Picarro G-2121i Cavity Ringdown Spectrometer. | Picarro G-2121i Cavity Ringdown Spectrometer |
Carbonate chemistry and CTD data collected along a North Pacific transect between Hawaii and Alaska on R/V Kilo Moana cruise KM1712 in August 2017 | Picarro Cavity Ring-Down Spectroscopy (G2131-i) | |
Carbonate chemistry analyses (total alkalinity, DIC, and d13C of DIC) from discrete bottle samples and CTD data from 12 stations sampled during R/V Endeavor cruise EN669 in the Gulf of Maine during August 2021 | DIC-d13C was determined using an Apollo AS-D1 DIC and d13C-DIC analyzer unit, connected to a Picarro G-2121i Cavity Ringdown Spectrometer. | Picarro G-2121i Cavity Ringdown Spectrometer |
Monthly atmospheric nitrous oxide (N₂O) and carbon monoxide (CO) mixing ratio measurements from San Cristobal, Galápagos Islands collected using a cavity ring-down spectrometer | Picarro Inc. G5310 Cavity Ring-down Spectrometer | |
Sinking PIC, PC in shallow sediment traps collected along a North Pacific transect between Hawaii and Alaska on R/V Kilo Moana cruise KM1712 in August 2017 | Particulate Inorganic Carbon (PIC) content was measured by acidifying a subsample of the GFF filter and measuring total CO2 released on Picarro | Picarro Cavity Ring-Down Spectroscopy Gas Analyzer (G2131-i) |
Suspended PIC, PC, PN data collected along a North Pacific transect between Hawaii and Alaska on R/V Kilo Moana cruise KM1712 in August 2017 | Particulate Inorganic Carbon (PIC) content was measured by acidifying a subsample of the GFF filter and measuring total CO2 released on Picarro | Picarro Cavity Ring-Down Spectroscopy Gas Analyzer (G2131-i) |