Full TGIF Record # 169291
Item 1 of 1
DOI:10.2134/jeq2009.0498
Web URL(s):https://www.dl.sciencesocieties.org/publications/jeq/articcles/39/5/1734
    Last checked: 11/02/2016
    Access conditions: Item is within a limited-access website
https://www.dl.sciencesocieties.org/publications/jeq/pdfs/39/5/1734
    Last checked: 11/02/2016
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
Publication Type:
i
Refereed
Author(s):Harmel, R. D.; Slade, R. M. Jr.; Haney, R. L.
Author Affiliation:Harmel and Haney: USDA-ARS, Temple; Slade: USGS, Austin Community College, Austin, TX
Title:Impact of sampling techniques on measured stormwater quality data for small streams
Section:Technical reports: Surface water quality
Other records with the "Technical reports: Surface water quality" Section
Source:Journal of Environmental Quality. Vol. 39, No. 5, September 2010, p. 1734-1742.
Publishing Information:Madison, Wisconsin: American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America
# of Pages:9
Related Web URL:https://dl.sciencesocieties.org/publications/jeq/abstracts/39/5/1734
    Last checked: 11/07/2016
    Access conditions: Item is within a limited-access website
    Notes: Abstract only
Keywords:TIC Keywords: Sampling techniques; Stormwater management; Streams; Water quality
Abstract/Contents:"Science-based sampling methodologies are needed to enhance water quality characterization for setting appropriate water quality standards, developing Total Maximum Daily Loads, and managing nonpoint source pollution. Storm event sampling, which is vital for adequate assessment of water quality in small (wadeable) streams, is typically conducted by manual grab or integrated sampling or with an automated sampler. Although it is typically assumed that samples from a single point adequately represent mean cross-sectional concentrations, especially for dissolved constituents, this assumption of well-mixed conditions has received limited evaluation. Similarly, the impact of temporal (within-storm) concentration variability is rarely considered. Therefore, this study evaluated differences in stormwater quality measured in small streams with several common sampling techniques, which in essence evaluated within-channel and within-storm concentration variability. Constituent concentrations from manual grab samples and from integrated samples were compared for 31 events, then concentrations were also compared for seven events with automated sample collection. Comparison of sampling techniques indicated varying degrees of concentration variability within channel cross sections for both dissolved and particulate constituents, which is contrary to common assumptions of substantial variability in particulate concentrations and of minimal variability in dissolved concentrations. Results also indicated the potential for substantial within-storm (temporal) concentration variability for both dissolved and particulate constituents. Thus, failing to account for potential cross-sectional and temporal concentration variability in stormwater monitoring projects can introduce additional uncertainty in measured water quality data."
Language:English
References:28
Note:Tables
Graphs
Maps
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Harmel, R. D., R. M. Jr. Slade, and R. L. Haney. 2010. Impact of sampling techniques on measured stormwater quality data for small streams. J. Environ. Qual. 39(5):p. 1734-1742.
Fastlink to access this record outside TGIF: https://tic.msu.edu/tgif/flink?recno=169291
If there are problems with this record, send us feedback about record 169291.
Choices for finding the above item:
DOI: 10.2134/jeq2009.0498
Web URL(s):
https://www.dl.sciencesocieties.org/publications/jeq/articcles/39/5/1734
    Last checked: 11/02/2016
    Access conditions: Item is within a limited-access website
https://www.dl.sciencesocieties.org/publications/jeq/pdfs/39/5/1734
    Last checked: 11/02/2016
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
Find Item @ MSU
MSU catalog number: b2225072a
Find from within TIC:
   Digitally in TIC by record number.
Request through your local library's inter-library loan service (bring or send a copy of this TGIF record)