Time series of uranium transformations in aerobic soils following experimental addition of uranyl ion

The data comprise measurements of the ‘soluble’, ‘chemically exchangeable’ and ‘isotopically exchangeable’ U concentrations in a diverse set of soils following experimental addition of UO22+ and incubation in the laboratory under controlled temperature conditions for ca. 1.7 years.

The long term behaviour of U in aerobic soils was studied by conducting a laboratory-based experiment in which a set of 20 topsoils from central England with contrasting properties (e.g. pH, organic matter content, land use) were contaminated with a solution containing UO22+ in soluble form and incubated in the dark, in a moist but aerobic condition, at a temperature of 10oC for 619 days. The transformations of U in each soil microcosm were periodically monitored by means of soil extractions conducted on subsamples of incubated soils.

The resulting dataset enabled quantification of the kinetics of UO22+ transformations in aerobic soils and the relationships with soil properties and land uses (arable, grassland and moorland/woodland). The dataset will be useful in developing models of long-term U bioavailability in aerobic soils under temperate conditions. Full details about this dataset can be found at https://doi.org/10.5285/0d8b2aea-574c-4cff-a8bd-17115a0b90fc

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Identification info

Metadata Language
English (en)
Character set
utf8
Dataset Reference Date ()
2020-04-23
Identifier
https://catalogue.ceh.ac.uk/id/0d8b2aea-574c-4cff-a8bd-17115a0b90fc
Identifier
doi: / 10.5285/0d8b2aea-574c-4cff-a8bd-17115a0b90fc
Other citation details
Izquierdo, M., Young, S., Bailey, E., Crout, N., Chenery, S., Shaw, G. (2020). Time series of uranium transformations in aerobic soils following experimental addition of uranyl ion. NERC Environmental Information Data Centre 10.5285/0d8b2aea-574c-4cff-a8bd-17115a0b90fc
  University of Nottingham - Izquierdo, M.
  University of Nottingham - Young, S.
  University of Nottingham - Bailey, E.
  University of Nottingham - Crout, N.
  British Geological Survey - Chenery, S.
  University of Nottingham - Shaw, G.
  University of Nottingham - Prof. George Shaw
  NERC EDS Environmental Information Data Centre
  NERC Environmental Information Data Centre
GEMET - INSPIRE themes, version 1.0 ()
  • Soil
Keywords
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University of Nottingham
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Natural Environment Research Council
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Environment Agency
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Radioactive Waste Management
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This resource is available under the terms of the Open Government Licence
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If you reuse this data, you should cite: Izquierdo, M., Young, S., Bailey, E., Crout, N., Chenery, S., Shaw, G. (2020). Time series of uranium transformations in aerobic soils following experimental addition of uranyl ion. NERC Environmental Information Data Centre https://doi.org/10.5285/0d8b2aea-574c-4cff-a8bd-17115a0b90fc
Spatial representation type
textTable
Distance
1  urn:ogc:def:uom:EPSG::9001
Topic category
  • Environment
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Begin date
2014-11-01
End date
2017-05-31
 
Code
WGS 84

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  • Comma-separated values (CSV) ()

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dataset
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Dataset Reference Date ()
2010-12-08
Statement
At each sampling time, a portion of ca. 4g soil from each microcosm was equilibrated with 0.01 M KNO3 to quantify the soluble U. The chemically exchangeable and isotopically exchangeable fractions of U were determined by equilibrating another portion of ca. 2g soil with 1 M Mg(NO3)2 containing a known amount of the isotopic tracers 233UO22+ and 236UO22+. Soil extracts were analysed using a Thermo Fisher Scientific iCAP-Q ICP-MS.

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File identifier
0d8b2aea-574c-4cff-a8bd-17115a0b90fc XML
Metadata Language
English (en)
Character set
ISO/IEC 8859-1 (also known as Latin 1)
Resource type
dataset
Hierarchy level name
dataset
Metadata Date
2022-08-24T15:39:58
Metadata standard name
UK GEMINI
Metadata standard version
2.3
  Environmental Information Data Centre
Lancaster Environment Centre, Library Avenue, Bailrigg , Lancaster , LA1 4AP , UK
 
 

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