Projects

CSEMP assessment of chrysene in sediment at Garroch Head (Clyde)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean178.5679.84-36.2872.56
linear272.7575.21-32.3864.757.804 10.0052
smooth (df = 2)373.4577.62-31.7363.451.302 10.2539
smooth (df = 3)474.6381.18-31.3262.630.816 10.3663
smooth (df = 4)574.5184.31-30.2560.512.129 10.1445

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200020175.7834.626-1.1571 0.3627-3.1900.0061
last 20 years200020175.7834.626-1.1571 0.3627-3.1900.0061

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC102.1 20.0-1.6298 0.2383-6.8401.0000
ERL102.1384.0 1.3251 0.2383 5.562<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  chrysene in sediment at Garroch Head (Clyde)


Raw data with assessment

Raw data with assessment of  chrysene in sediment at Garroch Head (Clyde)


Assessment plot

Assessment plot for  chrysene in sediment at Garroch Head (Clyde)


PAH (parent) data

PAH (parent) data for assessment of  chrysene in sediment at Garroch Head (Clyde)


PAH (parent) assessment

PAH (parent) assessment of  chrysene in sediment at Garroch Head (Clyde)


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