Canning, Anna; Maier, Marie-Sophie; Wehrli, Bernhard; Körtzinger, Arne: Seasonal high-resolution sensor data for pCO2, pCH4, O2 and temperature/salinity within the Danube Delta, Romania in 2017 [dataset bundled publication]. PANGAEA, https://doi.pangaea.de/10.1594/PANGAEA.925080 (dataset in review)
Abstract:
Flow-through pCO2, O2 and some CH4 measurements throughout the Danube River Delta over 3 seasons; spring (17.05.2017 - 26.05.2017), summer (03.08.2017 - 12.08.2017) and autumn (13.10.2017 - 23.10.2017). Surface water flow-through system set up on a houseboat (see Canning et al., 2020). All running on the same water at almost the same time (within seconds), therefore all joined together into each data set. Gaps from sensors depend on when they were logging. For the pCO2, some gaps will be due to periods of zeroing and flushing. Depth of pumps: approx. 75cm Flow rate: ~ 5-6 L/min flow readings logged for Aug and Oct. May data was manually logged and recorded, therefore potential discrepancies. All data was processed following Canning et al., 2020 (In Review). Seasonal sensor data are in separate files.
Sensors:
pCO2: CONTROS HydroC CO2 FT
pCH4: CONTROS HydroC CH4 FT - formerly Kongsberg Maritime Contros GmbH, Kiel, Germany; now -4H-JENA engineering GmbH, Jena, Germany
O2: CONTROS HydroFlash O2 - formerly Kongsberg Maritime Contros GmbH, Kiel, Germany SBE 45 Micro Thermosalinograph - Sea-Bird Electronics, Bellevue, USA
Gorgova climate station data used for climate data. Flags from internal questionable data are noted. Flags from notes in the field (such as plant coverage) are stated in meta data. During Aug, there was a high load of plant coverage and this has a separate flag column. Data split into rivers, channels and lakes through coding (RCL), with a description of each area in RCL comment.
pCH4 and pCO2 converted into concentration using temperature, salinity, Wiesenburg and Guinasso 1979, and Weiss, 1974 respectively. Day-night codes in which the houseboat was stationary are marked in Day Night Code (numbering which for each cruise).
Supplement to:
Canning, Anna; Wehrli, Bernhard; Körtzinger, Arne (in review): Methane in the Danube Delta: The importance of spatial patterns and diel cycles for atmospheric emission estimates. Biogeosciences Discussions, https://doi.org/10.5194/bg-2020-353
Related to:
Canning, Anna; Fietzek, Peer; Rehder, Gregor; Körtzinger, Arne (2021): Technical note: Seamless gas measurements across the land–ocean aquatic continuum – corrections and evaluation of sensor data for CO2, CH4 and O2 from field deployments in contrasting environments. Biogeosciences, 18(4), 1351-1373, https://doi.org/10.5194/bg-18-1351-2021
Project(s):
C-CASCADES (C-CASCADES)
Funding:
Coverage:
Median Latitude: 45.119508 * Median Longitude: 29.325322 * South-bound Latitude: 44.891514 * West-bound Longitude: 28.852490 * North-bound Latitude: 45.256123 * East-bound Longitude: 29.689928
Date/Time Start: 2017-05-17T12:53:16 * Date/Time End: 2017-10-23T13:59:59
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0) (License comes into effect after moratorium ends)
Size:
3 datasets
Download Data (login required)
Datasets listed in this bundled publication
- Canning, A; Maier, M-S (in review): Seasonal high-resolution sensor data for pCO2, pCH4, O2 and temperature/salinity within the Danube Delta, Romania in August 2017. https://doi.pangaea.de/10.1594/PANGAEA.925087
- Canning, A; Maier, M-S (in review): Seasonal high-resolution sensor data for pCO2, pCH4, O2 and temperature/salinity within the Danube Delta, Romania in May 2017. https://doi.pangaea.de/10.1594/PANGAEA.925079
- Canning, A; Maier, M-S (in review): Seasonal high-resolution sensor data for pCO2, pCH4, O2 and temperature/salinity within the Danube Delta, Romania in October 2017. https://doi.pangaea.de/10.1594/PANGAEA.925095