Mahaux, Jeremie; Floyd, William; Olefeldt, David; Tank, Suzanne E: Soil leachate data in wildfire-impacted (2015–2022) and reference sites sampled in spring and fall 2022 in Vancouver Island, Canada [dataset]. PANGAEA, https://doi.pangaea.de/10.1594/PANGAEA.987745 (dataset in review)
Abstract:
This dataset contains soil leachate data that were collected to assess short- to mid-term wildfire impacts on soils in the seasonal Pacific Coastal Temperate Rainforest. Field sampling occurred between November 2022 - January 2023 and targeted nine historic wildfire areas (fires occurring 2015 - 2022) that span a range of sizes and burn severities. Soils were sampled within stream catchments to evaluate potential soil-to-stream propagation of fire effects. Eight composite soil cores (three subsamples per composite) were collected at each fire site (four in burned soils, four in reference catchments) and split into 0 to 5 cm and 6 to 10 cm depths. Repeat soil cores were collected at the CT site before and after the first post-fire wetting. Soils were ground and passed through a 2mm sieve, then leached for 24h in a solution of simulated rainwater at 1:100. The dataset includes measured concentrations of dissolved organic carbon (DOC), nutrients (dissolved phosphorus and nitrogen, soluble reactive phosphorus, nitrite + nitrate). There are also measurements collected with a YSI multiparameter probe (pH, specific conductance) and dissolved organic matter (DOM) optical properties (absorbance and fluorescence spectra) measured on a Horiba Aqualog. Derived DOM indices (SUVA254, spectral slopes), parallel factor analysis (PARAFAC) component scores, and fluorescence indices (BIX, HIX) are provided. Given the expectation that wildfire prevalence and severity will increase in this traditionally wet region, it is likely that the impacts observed in this study will become both enhanced and more widespread in the future.
Keyword(s):
Related to:
Government of British Columbia (2024): How BEC Works [webpage]. https://www.for.gov.bc.ca/hre/becweb/system/how/index.html#relationship
Mahaux, Jeremie; Floyd, William; Olefeldt, David; Tank, Suzanne E: Streamwater chemistry (DOC, nutrients, ions) in wildfire-impacted (2015–2022) and reference streams sampled in spring and fall 2022 in Vancouver Island, Canada [dataset]. PANGAEA, https://doi.pangaea.de/10.1594/PANGAEA.987646
Mahaux, Jeremie; Floyd, William; Olefeldt, David; Tank, Suzanne E (in prep.): Wildfire influences stream water dissolved organic carbon and nutrients in the seasonal Pacific Coastal Temperate Rainforest.
References:
Huguet, Arnaud; Vacher, L; Relexans, S; Saubusse, S; Froidefond, J M; Parlanti, E (2009): Properties of fluorescent dissolved organic matter in the Gironde Estuary. Organic Geochemistry, 40(6), 706-719, https://doi.org/10.1016/j.orggeochem.2009.03.002
McKnight, Diane M; Boyer, Elizabeth W; Westerhoff, Paul K; Doran, Peter T; Kulbe, Thomas; Andersen, D T (2001): Spectrofluorometric characterization of dissolved organic matter for indication of precursor organic material and aromaticity. Limnology and Oceanography, 46(1), 38-48, https://doi.org/10.4319/lo.2001.46.1.0038
Ohno, Tsutomu (2002): Fluorescence Inner-Filtering Correction for Determining the Humification Index of Dissolved Organic Matter. Environmental Science & Technology, 36(4), 742-746, https://doi.org/10.1021/es0155276
Wilson, Henry F; Xenopoulos, Marguerite A (2009): Effects of agricultural land use on the composition of fluvial dissolved organic matter. Nature Geoscience, 2(1), 37-41, https://doi.org/10.1038/ngeo391
Funding:
Coverage:
Median Latitude: 48.798759 * Median Longitude: -123.909108 * South-bound Latitude: 48.416752 * West-bound Longitude: -124.241372 * North-bound Latitude: 49.108274 * East-bound Longitude: -123.635157
Date/Time Start: 2022-11-06T19:00:00 * Date/Time End: 2023-01-06T19:00:00
Minimum ELEVATION: 78 m a.s.l. * Maximum ELEVATION: 468 m a.s.l.
Event(s):
CT-F * Latitude Start: 48.756451 * Longitude Start: -123.861830 * Latitude End: 48.759596 * Longitude End: -123.847907 * Date/Time Start: 2022-11-15T19:00:00 * Date/Time End: 2022-11-15T19:00:00 * Elevation Start: 82.0 m * Elevation End: 125.0 m * Campaign: VanIslFall2022
CT-W * Latitude Start: 48.756451 * Longitude Start: -123.861830 * Latitude End: 48.759596 * Longitude End: -123.847907 * Date/Time Start: 2023-01-06T19:00:00 * Date/Time End: 2023-01-06T19:00:00 * Elevation Start: 82.0 m * Elevation End: 125.0 m * Campaign: VanIslWinter2022/2023
HC_fall * Latitude Start: 48.616792 * Longitude Start: -124.241991 * Latitude End: 48.664966 * Longitude End: -124.216603 * Date/Time Start: 2022-10-28T00:15:00 * Date/Time End: 2022-11-18T00:45:00 * Elevation Start: 78.0 m * Elevation End: 608.9 m * Campaign: VanIslFall2022
Comment:
This research is funded by NSERC Discovery, NSERC Canada Graduate Research Scholarship – Master's (CGS-M) and Alberta Graduate Excellence Scholarship (AGES)
Parameter(s):
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0) (License comes into effect after moratorium ends)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
8724 data points
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