Projects

CSEMP assessment of chrysene in sediment at Hunterston (Clyde)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1141.91143.19-67.95135.91
linear2143.89146.35-67.94135.890.020 10.8875
smooth (df = 2)3144.77148.94-67.39134.771.111 10.2918
smooth (df = 3)4142.43148.98-65.22130.434.340 10.0372
smooth (df = 4)5143.67153.47-64.83129.670.766 10.3814

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200020174.9214.9630.042700.300830.1420.8890
last 20 years200020174.9214.9630.042700.300830.1420.8890

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC143.1 20.0-1.9675 0.1617-12.1681.0000
ERL143.1384.0 0.9874 0.1617 6.107<0.0001

 


Raw data with supporting information

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


Raw data with assessment

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


Assessment plot

Assessment plot for  chrysene in sediment at Hunterston (Clyde)


PAH (parent) data

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


PAH (parent) assessment

PAH (parent) assessment of  chrysene in sediment at Hunterston (Clyde)


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