Projects

CSEMP assessment of chrysene in sediment at Hunterston (Clyde)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1149.94151.14-71.97143.94
linear2151.93154.22-71.97143.930.010 10.9190
smooth (df = 2)3153.07156.91-71.53143.070.864 10.3528
smooth (df = 3)4152.75158.75-70.38140.752.315 10.1282
smooth (df = 4)5152.44161.35-69.22138.442.307 10.1288

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200020184.9264.9550.029000.284660.1020.9201
last 20 years200020184.9264.9550.029000.284660.1020.9201

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC141.9 20.0-1.9597 0.1514-12.9411.0000
ERL141.9384.0 0.9952 0.1514 6.572<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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