Projects

CSEMP assessment of benzo[a]pyrene in sediment at Garroch Head (Clyde)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean175.2576.45-34.6369.25
linear270.1672.45-31.0862.167.088 10.0078
smooth (df = 2)370.4174.25-30.2060.411.757 10.1850
smooth (df = 3)472.1278.12-30.0660.120.285 10.5937
smooth (df = 4)573.2182.12-29.6059.210.913 10.3394

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200020185.9494.895-1.0535 0.3558-2.9610.0092
last 20 years200020185.9494.895-1.0535 0.3558-2.9610.0092

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC133.7 30.0-1.4942 0.2331-6.4091.0000
ERL133.7430.0 1.1684 0.2331 5.011<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  benzo[a]pyrene in sediment at Garroch Head (Clyde)


Raw data with assessment

Raw data with assessment of  benzo[a]pyrene in sediment at Garroch Head (Clyde)


Assessment plot

Assessment plot for  benzo[a]pyrene in sediment at Garroch Head (Clyde)


PAH (parent) data

PAH (parent) data for assessment of  benzo[a]pyrene in sediment at Garroch Head (Clyde)


PAH (parent) assessment

PAH (parent) assessment of  benzo[a]pyrene in sediment at Garroch Head (Clyde)


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