Cite this dataset as
Norris, D.A., Harvey, R., Winterbourn, J.M., Hughes, S., Lebron, I., Thacker, S.A., Lawlor, A.J., Carter, H.T., Patel, M., Keenan, P.O., Pereira, M.G., Cosby, B.J., Reynolds, B., Grant, S.J., Pomeroy, I., Hinton, C., Spinney, K., Peters, T.D., Callahan, B. (2017). Plynlimon research catchment hydrochemistry (2011-2016). NERC Environmental Information Data Centre. (Dataset). https://doi.org/10.5285/794c609b-da62-4a42-a4c1-267219865bb1
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This dataset is made available under the terms of the Open Government Licence 
Plynlimon research catchment hydrochemistry (2011-2016)
This dataset includes rainfall, cloud and stream hydrochemistry of the Plynlimon research catchments in Mid Wales. The data cover the period from June 2011 to March 2016. Sampling was weekly from June 2011 to December 2011 and then fortnightly from January 2012. Data for the whole period are presented for major anions and cations, pH, conductivity, alkalinity and in-situ measurements such as water temperature and stream flow. From June 2011 to March 2013 data are also presented for a range of metals. Data are presented for the whole period for six stream locations and one rainfall site. Data are also for presented for two streams, Nant Iago and Tanllwyth and one cloud site for the period from June 2011 to July 2012.
Stream samples were taken using a grab technique. Rain samples were collected using bulk precipitation collectors. Cloud samples were collected using a Centre of Ecology and Hydrology (CEH) Edinburgh pattern lidded harp type passive collector. This data presented follow on from the hydrochemical data presented in the dataset Plynlimon research catchment hydrochemistry (44095e17-43b0-45d4-a781-aab4f72da025)
Fieldwork was carried out by CEH members of staff trained in the fieldwork techniques required. Chemical analysis was carried out by qualified CEH chemists at laboratories at CEH Lancaster and CEH Bangor.
The Plynlimon research catchments lie within the headwaters of the River Severn and the River Wye in the uplands of mid-Wales. Intensive and long-term monitoring within the catchments underpins a wealth of hydrological and hydro-chemical research. Monitoring is funded by the Centre for Ecology & Hydrology, and is ongoing since 1968.
Stream samples were taken using a grab technique. Rain samples were collected using bulk precipitation collectors. Cloud samples were collected using a Centre of Ecology and Hydrology (CEH) Edinburgh pattern lidded harp type passive collector. This data presented follow on from the hydrochemical data presented in the dataset Plynlimon research catchment hydrochemistry (44095e17-43b0-45d4-a781-aab4f72da025)
Fieldwork was carried out by CEH members of staff trained in the fieldwork techniques required. Chemical analysis was carried out by qualified CEH chemists at laboratories at CEH Lancaster and CEH Bangor.
The Plynlimon research catchments lie within the headwaters of the River Severn and the River Wye in the uplands of mid-Wales. Intensive and long-term monitoring within the catchments underpins a wealth of hydrological and hydro-chemical research. Monitoring is funded by the Centre for Ecology & Hydrology, and is ongoing since 1968.
Publication date: 2017-02-17
View record as
Format
Comma-separated values (CSV)
Spatial information
- Study area
-
- Spatial representation type
- Tabular (text)
- Spatial reference system
- OSGB 1936 / British National Grid
Temporal information
- Temporal extent
-
2011-06-16 to 2016-03-08
Provenance & quality
Sampling was carried out weekly from June 2011 to December 2011 and fortnightly from January 2012. Stream samples were taken using a grab technique. Rain samples were collected using bulk precipitation collectors. Cloud samples were collected using a Centre of Ecology and Hydrology (CEH) Edinburgh pattern lidded harp type passive collector.
Upon return to the CEH Bangor laboratories the cation samples were acidified with concentrated Nitric Acid (to 1 percent) to preserve the samples. Samples for anion and cation sample were then stored at 4 degrees Celsius until they could be transported to the Centralised Analytical Chemistry Group in CEH Lancaster for analysis. Results were reported back to CEH Bangor as Excel spreadsheets. These data were then imported into an Access database.
pH, conductivity and alkalinity analysis was carried out the CEH Bangor laboratories. Results were reported back as Excel spreadsheets. Field measurements and flow calculations were also added to these Excel spreadsheets. These data were then imported into the same Access database as the CEH Lancaster results.
For ingestion into the Environmental Information data was extracted from the Access database and converted into a comma separated value file.
Upon return to the CEH Bangor laboratories the cation samples were acidified with concentrated Nitric Acid (to 1 percent) to preserve the samples. Samples for anion and cation sample were then stored at 4 degrees Celsius until they could be transported to the Centralised Analytical Chemistry Group in CEH Lancaster for analysis. Results were reported back to CEH Bangor as Excel spreadsheets. These data were then imported into an Access database.
pH, conductivity and alkalinity analysis was carried out the CEH Bangor laboratories. Results were reported back as Excel spreadsheets. Field measurements and flow calculations were also added to these Excel spreadsheets. These data were then imported into the same Access database as the CEH Lancaster results.
For ingestion into the Environmental Information data was extracted from the Access database and converted into a comma separated value file.
Related
This dataset is included in the following collections
Citations
Knapp, J.L.A., Neal, C., Schlumpf, A., Neal, M., & Kirchner, J.W. (2019). New water fractions and transit time distributions at Plynlimon, Wales, estimated from stable water isotopes in precipitation and streamflow. Hydrology and Earth System Sciences, 23(10), 4367-4388 https://doi.org/10.5194/hess-23-4367-2019
Supplemental information
Knapp, J.L.A., Neal, C., Schlumpf, A., Neal, M., & Kirchner, J.W. (2019). New water fractions and transit time distributions at Plynlimon, Wales, estimated from stable water isotopes in precipitation and streamflow. In Hydrology and Earth System Sciences (Vol. 23, Issue 10, pp. 4367–4388). Copernicus GmbH.
Rücker, Andrea. (2019). Tracing snow-hydrological processes in a pre-alpine catchment with stable water isotopes [ETH Zurich]
Lee, J., Whitehead, P.G., Futter, M.N., & Hall, J.W. (2020). Impacts of Droughts and Acidic Deposition on Long-Term Surface Water Dissolved Organic Carbon Concentrations in Upland Catchments in Wales. In Frontiers in Environmental Science (Vol. 8). Frontiers Media SA.
Correspondence/contact details
Dave Norris
UK Centre for Ecology & Hydrology
Environment Centre Wales, Deiniol Road
Bangor
Gwynedd
LL57 2UW
UNITED KINGDOM
enquiries@ceh.ac.uk
Bangor
Gwynedd
LL57 2UW
UNITED KINGDOM
Authors
https://orcid.org/0000-0001-8298-555X
Harvey, R.
Centre for Ecology & Hydrology
Winterbourn, J.M.
Centre for Ecology & Hydrology
Hughes, S.
Centre for Ecology & Hydrology
Thacker, S.A.
Centre for Ecology & Hydrology
Lawlor, A.J.
Centre for Ecology & Hydrology
Carter, H.T.
Centre for Ecology & Hydrology
Patel, M.
Centre for Ecology & Hydrology
Keenan, P.O.
Centre for Ecology & Hydrology
Pereira, M.G.
Centre for Ecology & Hydrology
Reynolds, B.
Centre for Ecology & Hydrology
Grant, S.J.
Centre for Ecology & Hydrology
Pomeroy, I.
Centre for Ecology & Hydrology
Hinton, C.
Centre for Ecology & Hydrology
Spinney, K.
Centre for Ecology & Hydrology
Peters, T.D.
Centre for Ecology & Hydrology
Callahan, B.
Centre for Ecology & Hydrology
Other contacts
- Rights holder
-
UK Centre for Ecology & Hydrology
- Custodian
-
NERC EDS Environmental Information Data Centreinfo@eidc.ac.uk
- Publisher
-
NERC Environmental Information Data Centreinfo@eidc.ac.uk
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