Projects

CSEMP assessment of benzo[a]anthracene in sediment at Whiteness Head (Moray Firth)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean141.2042.84-17.6035.20
linear243.1946.39-17.6035.190.009 10.9241
smooth (df = 2)344.8650.41-17.4334.860.332 10.5643
smooth (df = 3)446.8055.80-17.4034.800.055 10.8145

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920163.03743.08360.04620.48500.0950.9256
last 20 years199920163.03743.08360.04620.48500.0950.9256

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 21.84 16.00-0.3110 0.3043-1.0220.8365
ERL 21.84261.00 2.4809 0.3043 8.153<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  benzo[a]anthracene in sediment at Whiteness Head (Moray Firth)


Raw data with assessment

Raw data with assessment of  benzo[a]anthracene in sediment at Whiteness Head (Moray Firth)


Assessment plot

Assessment plot for  benzo[a]anthracene in sediment at Whiteness Head (Moray Firth)


PAH (parent) data

PAH (parent) data for assessment of  benzo[a]anthracene in sediment at Whiteness Head (Moray Firth)


PAH (parent) assessment

PAH (parent) assessment of  benzo[a]anthracene in sediment at Whiteness Head (Moray Firth)


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