Projects

CSEMP assessment of benzo[a]pyrene in sediment at Outer Moray Firth

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean192.70 94.09-43.3586.70
linear294.28 96.95-43.1486.280.420 10.5172
smooth (df = 2)396.26100.80-43.1386.260.028 10.8668
smooth (df = 3)495.42102.62-41.7183.422.836 10.0922
smooth (df = 4)594.20105.09-40.1080.203.220 10.0727

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920161.84352.17670.33310.51330.6490.5269
last 20 years199920161.84352.17670.33310.51330.6490.5269

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 8.8 30.01.2250.344 3.5580.0016
ERL 8.8430.03.8870.34411.295<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  benzo[a]pyrene in sediment at Outer Moray Firth


Raw data with assessment

Raw data with assessment of  benzo[a]pyrene in sediment at Outer Moray Firth


Assessment plot

Assessment plot for  benzo[a]pyrene in sediment at Outer Moray Firth


PAH (parent) data

PAH (parent) data for assessment of  benzo[a]pyrene in sediment at Outer Moray Firth


PAH (parent) assessment

PAH (parent) assessment of  benzo[a]pyrene in sediment at Outer Moray Firth


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