Isoprene mixing ratio in ambient air across the Southern Ocean in the austral summer of 2016/2017, during the Antarctic Circumnavigation Expedition (ACE).
- 1. University of Cambridge, UK
- 2. Cranfield University, UK
Contributors
Contact person:
Data collectors:
Project leader:
Rights holders:
- 1. University of Cambridge, UK
- 2. Cranfield University, UK
- 3. ETH Zurich, Switzerland
- 4. Paul Scherrer Institute, Switzerland
Description
Dataset abstract
This dataset contains the mixing ratios of isoprene (C5H8) in ambient air measured during the Antarctic Circumnavigation Expedition around the Southern Ocean in the austral summer of 2016/2017 using the iDirac, an autonomous gas chromatograph (Bolas et al., 2020). Samples were collected at a temporal resolution of approximately 10 minutes, with sizeable gaps in the dataset during Legs 1 and 3 due to instrument malfunction.
Isoprene represents one of the largest biogenic emissions on the planet. While the magnitude and mechanism of its emissions on land are well established, there is still large uncertainty on the drivers of marine isoprene emissions. This dataset, consisting of continuous measurements at a relatively high temporal resolution, represents a unique opportunity to better understand marine isoprene emissions in the Southern Ocean.
Dataset contents
- ace_isoprene_mixing_ratio_ambient_air_v1.1.csv, data file, comma-separated values
- data_file_header.txt, metadata, text
- README.txt, metadata, text
- change_log.txt, metadata, text
Change log
v1.1 - data files updated
- more accurate isoprene quantification from improved chromatogram baseline removal
v1.0 - initial release of dataset
Notes
Files
ace_isoprene_mixing_ratio_ambient_air_v1.1.csv
Files
(206.0 kB)
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Additional details
Related works
- References
- Report: 10.5281/zenodo.1443511 (DOI)
- Journal article: 10.5194/amt-13-821-2020 (DOI)
References
- David W H Walton, & Jenny Thomas. (2018, November 22). Cruise Report - Antarctic Circumnavigation Expedition (ACE) 20th December 2016 - 19th March 2017 (Version 1.0). Zenodo. http://doi.org/10.5281/zenodo.1443511
- Bolas, C. G., Ferracci, V., Robinson, A. D., Mead, M. I., Nadzir, M. S. M., Pyle, J. A., Jones, R. L., and Harris, N. R. P.: iDirac: a field-portable instrument for long-term autonomous measurements of isoprene and selected VOCs, Atmos. Meas. Tech., 13, 821–838, https://doi.org/10.5194/amt-13-821-2020, 2020.