Continuous optical measurements of absorbance via UV-process spectrophotometer OPUS along RV MARIA S. MERIAN cruise MSM97/2

التفاصيل البيبلوغرافية
العنوان: Continuous optical measurements of absorbance via UV-process spectrophotometer OPUS along RV MARIA S. MERIAN cruise MSM97/2
المؤلفون: Pieck, Daniela, Thölen, Claudia, Voß, Daniela, Zielinski, Oliver, Becker, Marius
بيانات النشر: PANGAEA
سنة النشر: 2024
المجموعة: PANGAEA - Data Publisher for Earth & Environmental Science (AWI Bremerhaven / MARUM Bremen)
مصطلحات موضوعية: Absorbance, 210.18 nm, 210.99 nm, 211.79 nm, 212.6 nm, 213.4 nm, 214.21 nm, 215.01 nm, 215.82 nm, 216.63 nm, 217.43 nm, 218.24 nm, 219.05 nm, 219.85 nm, 220.66 nm, 221.47 nm, 222.27 nm, 223.08 nm, 223.89 nm, 224.69 nm, 225.5 nm, 226.31 nm, 227.12 nm, 227.93 nm, 228.73 nm
جغرافية الموضوع: MEDIAN LATITUDE: 60.423226 * MEDIAN LONGITUDE: 2.527382 * SOUTH-BOUND LATITUDE: 53.629557 * WEST-BOUND LONGITUDE: -1.941989 * NORTH-BOUND LATITUDE: 67.258604 * EAST-BOUND LONGITUDE: 7.779832 * DATE/TIME START: 2020-12-13T10:10:00 * DATE/TIME END: 2020-12-22T18:30:00 * MINIMUM DEPTH, water: 6.5 m * MAXIMUM DEPTH, water: 6.5 m
الوصف: During R/V Maria S. Merian cruise MSM97/2 a sensor box (AddOn Box) was attached to a PocketFerryBox (4H Jena, Germany) in-line obtaining waters from the ships two autonomous measurement systems (RSWS). For the measurement of underway absorption spectra to calculate optical nitrate, the AddOn Box was equipped with two UV-process spectrophotometer (ProPS and OPUS, TriOS Mess- und Datentechnik GmbH, Germany). Data were recorded continuously in a ten-minute interval along the cruise track with an optical path length of 10 mm. The integration time was 256 ms. The ProPS photometer is equipped with a Deuterium lamp as light source whereas the OPUS photometer is equipped with a Xenon flash lamp. Baseline calibrations were done for both UV-photometer using ultrapure water. For the ProPS, the calibration was done in the laboratory before the cruise whereas the calibration for the OPUS was done by the manufacturer. The water inlet of the RSWS is allocated at approx. 6.5 m below the sea surface. While one box is measuring, the other box is being cleaned. The boxes switch after a user-defined measuring and cleaning interval. On MSM97/2, the boxes were alternating every 12 hours, including one short cleaning procedure during measurements after 4 hours. Absorption spectra obtained by the AddOn Box during the alternation process of the two RSWS, as well as during the internal cleaning procedure are not included. Spectra from station work are included. Within this dataset, absorption spectra were cut to a relevant wavelength range (from 189-360 nm (ProPS) and 199-360 nm (OPUS) to 210-260 nm). No further correction was done for the absorbance spectra in this processing step.
نوع الوثيقة: dataset
وصف الملف: text/tab-separated-values, 46085 data points
اللغة: English
العلاقة: https://doi.org/10.1594/PANGAEA.967381Test; Pieck, Daniela; Thölen, Claudia; Lehners, Carola; Voß, Daniela; Zielinski, Oliver (2024): Reference measurements of surface waters during the RV MARIA S. MERIAN cruise MSM97/2. PANGAEA, https://doi.pangaea.de/10.1594/PANGAEA.967466Test; Frank, Carsten; Meier, Daniela; Voß, Daniela; Zielinski, Oliver (2014): Computation of nitrate concentrations in coastal waters using an in situ ultraviolet spectrophotometer: Behavior of different computation methods in a case study a steep salinity gradient in the southern North Sea. Methods in Oceanography, 9, 34-43, https://doi.org/10.1016/j.mio.2014.09.002Test; Zielinski, Oliver; Voß, Daniela; Saworski, B; Fiedler, Björn; Körtzinger, Arne (2011): Computation of nitrate concentrations in turbid coastal waters using an in situ ultraviolet spectrophotometer. Journal of Sea Research, 65(4), 456-460, https://doi.org/10.1016/j.seares.2011.04.002Test; Meier, Daniela; Voß, Daniela; Zielinski, Oliver (2020): Matlab code for the computation of nitrate based on optical absorption measurements with UV-hyperspectral photometer (OPUS/TriOS). Zenodo, https://doi.org/10.5281/ZENODO.4091421Test; https://doi.pangaea.de/10.1594/PANGAEA.967382Test; https://doi.org/10.1594/PANGAEA.967382Test
DOI: 10.1594/PANGAEA.967382
الإتاحة: https://doi.org/10.1594/PANGAEA.96738210.1594/PANGAEA.96738110.1016/j.mio.2014.09.00210.1016/j.seares.2011.04.00210.5281/ZENODO.4091421Test
حقوق: CC-BY-4.0: Creative Commons Attribution 4.0 International ; Access constraints: unrestricted ; info:eu-repo/semantics/openAccess
رقم الانضمام: edsbas.BE55D856
قاعدة البيانات: BASE