Developing and applying control charts to detect changes in water chemistry parameters measured in the Athabasca River near the oil sands: A tool for surveillance monitoring
Abstract Control charting is a simple technique to identify change and is well suited for use in water quality programs. Control charts accounting for covariation associated with discharge and in some cases time were used to explore example and representative variables routinely measured in the Atha...
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crwiley:10.1002/etc.4168 2024-06-02T08:03:05+00:00 Developing and applying control charts to detect changes in water chemistry parameters measured in the Athabasca River near the oil sands: A tool for surveillance monitoring Arciszewski, Tim J. Hazewinkel, Rod R. Munkittrick, Kelly R. Kilgour, Bruce W. 2018 http://dx.doi.org/10.1002/etc.4168 https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1002%2Fetc.4168 https://onlinelibrary.wiley.com/doi/pdf/10.1002/etc.4168 https://onlinelibrary.wiley.com/doi/full-xml/10.1002/etc.4168 https://setac.onlinelibrary.wiley.com/doi/pdf/10.1002/etc.4168 en eng Wiley http://onlinelibrary.wiley.com/termsAndConditions#vor Environmental Toxicology and Chemistry volume 37, issue 9, page 2296-2311 ISSN 0730-7268 1552-8618 journal-article 2018 crwiley https://doi.org/10.1002/etc.4168 2024-05-06T07:03:47Z Abstract Control charting is a simple technique to identify change and is well suited for use in water quality programs. Control charts accounting for covariation associated with discharge and in some cases time were used to explore example and representative variables routinely measured in the Athabasca River near the oil sands area for indications of change. The explored variables include 5 major ions (chloride, sodium, sulfate, calcium, magnesium), 5 total metals (aluminum, iron, thallium, molybdenum, vanadium), and total suspended solids at two sites straddling the developments north of Fort McMurray. Regression equations developed from reference data (1988–2009) were used to predict observations and calculate residuals from later test data (2010–2016). Evidence of change was sought in the deviation of residual errors from the test period compared with the patterns expected and defined from probability distributions of the reference residuals using the odds ratio. In most cases, the patterns in test residuals were not statistically different from those expected from the reference period at either site, especially when data were examined annually. However, differences were found at both locations, more were found at the downstream site, and more differences emerged as data accumulated and were analyzed over time. In sum, the analyses at the downstream site suggest higher concentrations than predicted in most major ions, but the source of the changes is uncertain. In contrast, the concentrations of most metals at during the test period were lower than expected, which may be related to deposition patterns of materials or weathering of minerals during construction activities of the 2000s which influence the reference data used. The analyses also suggest alternative approaches may be necessary to understand change in some variables. Despite this, the results support the use of control charts to detect changes in water chemistry parameters and the value of the tool in surveillance phases of long‐term and adaptive ... Article in Journal/Newspaper Athabasca River Fort McMurray Wiley Online Library Athabasca River Fort McMurray Environmental Toxicology and Chemistry 37 9 2296 2311 |
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language |
English |
description |
Abstract Control charting is a simple technique to identify change and is well suited for use in water quality programs. Control charts accounting for covariation associated with discharge and in some cases time were used to explore example and representative variables routinely measured in the Athabasca River near the oil sands area for indications of change. The explored variables include 5 major ions (chloride, sodium, sulfate, calcium, magnesium), 5 total metals (aluminum, iron, thallium, molybdenum, vanadium), and total suspended solids at two sites straddling the developments north of Fort McMurray. Regression equations developed from reference data (1988–2009) were used to predict observations and calculate residuals from later test data (2010–2016). Evidence of change was sought in the deviation of residual errors from the test period compared with the patterns expected and defined from probability distributions of the reference residuals using the odds ratio. In most cases, the patterns in test residuals were not statistically different from those expected from the reference period at either site, especially when data were examined annually. However, differences were found at both locations, more were found at the downstream site, and more differences emerged as data accumulated and were analyzed over time. In sum, the analyses at the downstream site suggest higher concentrations than predicted in most major ions, but the source of the changes is uncertain. In contrast, the concentrations of most metals at during the test period were lower than expected, which may be related to deposition patterns of materials or weathering of minerals during construction activities of the 2000s which influence the reference data used. The analyses also suggest alternative approaches may be necessary to understand change in some variables. Despite this, the results support the use of control charts to detect changes in water chemistry parameters and the value of the tool in surveillance phases of long‐term and adaptive ... |
format |
Article in Journal/Newspaper |
author |
Arciszewski, Tim J. Hazewinkel, Rod R. Munkittrick, Kelly R. Kilgour, Bruce W. |
spellingShingle |
Arciszewski, Tim J. Hazewinkel, Rod R. Munkittrick, Kelly R. Kilgour, Bruce W. Developing and applying control charts to detect changes in water chemistry parameters measured in the Athabasca River near the oil sands: A tool for surveillance monitoring |
author_facet |
Arciszewski, Tim J. Hazewinkel, Rod R. Munkittrick, Kelly R. Kilgour, Bruce W. |
author_sort |
Arciszewski, Tim J. |
title |
Developing and applying control charts to detect changes in water chemistry parameters measured in the Athabasca River near the oil sands: A tool for surveillance monitoring |
title_short |
Developing and applying control charts to detect changes in water chemistry parameters measured in the Athabasca River near the oil sands: A tool for surveillance monitoring |
title_full |
Developing and applying control charts to detect changes in water chemistry parameters measured in the Athabasca River near the oil sands: A tool for surveillance monitoring |
title_fullStr |
Developing and applying control charts to detect changes in water chemistry parameters measured in the Athabasca River near the oil sands: A tool for surveillance monitoring |
title_full_unstemmed |
Developing and applying control charts to detect changes in water chemistry parameters measured in the Athabasca River near the oil sands: A tool for surveillance monitoring |
title_sort |
developing and applying control charts to detect changes in water chemistry parameters measured in the athabasca river near the oil sands: a tool for surveillance monitoring |
publisher |
Wiley |
publishDate |
2018 |
url |
http://dx.doi.org/10.1002/etc.4168 https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1002%2Fetc.4168 https://onlinelibrary.wiley.com/doi/pdf/10.1002/etc.4168 https://onlinelibrary.wiley.com/doi/full-xml/10.1002/etc.4168 https://setac.onlinelibrary.wiley.com/doi/pdf/10.1002/etc.4168 |
geographic |
Athabasca River Fort McMurray |
geographic_facet |
Athabasca River Fort McMurray |
genre |
Athabasca River Fort McMurray |
genre_facet |
Athabasca River Fort McMurray |
op_source |
Environmental Toxicology and Chemistry volume 37, issue 9, page 2296-2311 ISSN 0730-7268 1552-8618 |
op_rights |
http://onlinelibrary.wiley.com/termsAndConditions#vor |
op_doi |
https://doi.org/10.1002/etc.4168 |
container_title |
Environmental Toxicology and Chemistry |
container_volume |
37 |
container_issue |
9 |
container_start_page |
2296 |
op_container_end_page |
2311 |
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1800747546321092608 |