McNamara, N.P.; Gregg, R.; Oakley, S.; Stott, A.
Soil methane data from a wildfire chronosequence in northern Sweden
Cite this dataset as:
McNamara, N.P.; Gregg, R.; Oakley, S.; Stott, A. (2015). Soil methane data from a wildfire chronosequence in northern Sweden . NERC Environmental Information Data Centre. https://doi.org/10.5285/66cc8fd4-e722-44c4-9363-5930b8373b2c
Download/Access
PLEASE NOTE:
By accessing or using this dataset, you agree to the terms of the relevant licence agreement(s). You will ensure that this dataset is cited in any publication that describes research in which the data have been used.
© UK Centre for Ecology & Hydrology
This dataset is made available under the terms of the Open Government Licence
https://doi.org/10.5285/66cc8fd4-e722-44c4-9363-5930b8373b2c
Data comprise soil methane oxidation results from a group of 30 forested islands in northern Sweden sampled in 2006 and 2007. The islands have different fire histories and represent a retrogressive chronosequence spanning 5000 years.
Publication date: 2015-07-31
View numbers valid from 01 June 2023 Download numbers valid from 20 June 2024 (information prior to this was not collected)
Format
Comma-separated values (CSV)
Spatial information
Study area
Spatial representation type
Tabular (text)
Spatial reference system
WGS 84
Temporal information
Temporal extent
2006-01-01 to 2007-12-31
Provenance & quality
In situ gas fluxes were measured over one week using a static chamber method during August 2006. Samples were stored in exetainer vials (Labco, UK) for up to one month prior to analyses. Concentrations of CH4 were analysed by gas chromatography, on a PerkinElmer Autosystem XL Gas Chromatograph (GC) with Flame Ionization Detector, and results were calibrated using certified gas standards. CH4 was separated isothermally on a 2 m Poropak Q 50x80 mesh packed column at 40 deg C, with N2 as the carrier gas. CH4 fluxes from ex situ cores were measured from the top 25 cm of soil (or to the bedrock where soil depth was less than 25 cm) in 2006 and then through the entire humus profile to the bedrock (20-85 cm depth) in 2007. In 2006, intact cores (11 cm diameter, 25 cm depth) were removed from each island (40 per island size classification) and were weighed on the day of collection. Cores were stored at 12 deg C in the dark until measurement and were maintained at their field collected moisture content using an artificial rain solution. In 2007, one full profile core (0.15 m diameter) was collected from each island humus profile to the bedrock in July 2007. A similar static chamber approach (volume = 0.0021 m3, diameter = 0.15 m) for measuring soil CH4 fluxes, applied under the same measurement conditions as previously described. In situ gas samples were collected from within the soil atmosphere in the humus profiles of each island over 4 days in July 2007. Four stainless steel sampling probes (19 gauge, 0.69 mm inner diameter) were inserted into the soil profiles 30 minutes before soil atmosphere samples were collected at 15, 35, 55 and 75 cm depth (dead-space volume = 0.06, 0.13, 0.21, 0.28 ml, respectively). From each probe a 100 ml sample was collected with 90 ml being transferred to a 50 ml Wheaton bottle with butyl rubber stopper and crimp top seals and 9 ml to a 3.6 ml exetainer vial. After collection each butyl rubber stopper and crimp top was sealed with wax. Analyses of the 13C values of CH4 were completed within one month at the Centre for Ecology & Hydrology, Lancaster. Full details are in supporting information associated with this record.
Licensing and constraints
This dataset is made available under the terms of the Open Government Licence
Cite this dataset as:
McNamara, N.P.; Gregg, R.; Oakley, S.; Stott, A. (2015). Soil methane data from a wildfire chronosequence in northern Sweden . NERC Environmental Information Data Centre. https://doi.org/10.5285/66cc8fd4-e722-44c4-9363-5930b8373b2c
© UK Centre for Ecology & Hydrology
Citations
McNamara, N. P., Gregg, R., Oakley, S., Stott, A., Rahman, M. T., Murrell, J. C.,... Ostle, N. J. (2015). Soil Methane Sink Capacity Response to a Long-Term Wildfire Chronosequence in Northern Sweden. PLOS ONE, 10(9), e0129892. https://doi.org/10.1371/journal.pone.0129892
Correspondence/contact details
McNamara, N.P.
UK Centre for Ecology & Hydrology
Lancaster Environment Centre, Library Avenue, Bailrigg
Lancaster
Lancashire
LA1 4AP
UNITED KINGDOM
enquiries@ceh.ac.uk
Lancaster
Lancashire
LA1 4AP
UNITED KINGDOM
Authors
Gregg, R.
Centre for Ecology & Hydrology
Stott, A.
Centre for Ecology & Hydrology
Other contacts
Rights holder
UK Centre for Ecology & Hydrology
Custodian
NERC EDS Environmental Information Data Centre
info@eidc.ac.uk
Publisher
NERC Environmental Information Data Centre
info@eidc.ac.uk
Owner
Natural Environment Research Council
enquiries@ceh.ac.uk