Projects

CSEMP assessment of chrysene in sediment at Holy Loch (Clyde)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean143.9745.47-18.9937.97
linear241.8044.70-16.9033.804.177 10.0410
smooth (df = 2)342.5047.50-16.2532.501.293 10.2555
smooth (df = 3)443.5751.57-15.7831.570.937 10.3330
smooth (df = 4)542.0854.33-14.0428.083.481 10.0621

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200020176.0315.350-0.6808 0.3075-2.2140.0453
last 20 years200020176.0315.350-0.6808 0.3075-2.2140.0453

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC210.7 20.0-2.3547 0.2061-11.4231.0000
ERL210.7384.0 0.6002 0.2061 2.9110.0061

 


Raw data with supporting information

Raw data with supporting information for assessment of  chrysene in sediment at Holy Loch (Clyde)


Raw data with assessment

Raw data with assessment of  chrysene in sediment at Holy Loch (Clyde)


Assessment plot

Assessment plot for  chrysene in sediment at Holy Loch (Clyde)


PAH (parent) data

PAH (parent) data for assessment of  chrysene in sediment at Holy Loch (Clyde)


PAH (parent) assessment

PAH (parent) assessment of  chrysene in sediment at Holy Loch (Clyde)


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