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CSEMP assessment of benzo[a]pyrene in sediment at Humber

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean123.5726.57-8.7817.57
linear223.8230.22-7.9115.821.747 10.1862
smooth (df = 2)325.5238.02-7.7615.520.299 10.5844

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200520175.0274.683-0.3438 0.2524-1.3620.2154
last 20 years200520175.0274.683-0.3438 0.2524-1.3620.2154

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC108.1 30.0-1.2816 0.1828-7.0110.9999
ERL108.1430.0 1.3810 0.1828 7.555<0.0001

 


Raw data with supporting information

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


Raw data with assessment

Raw data with assessment of  benzo[a]pyrene in sediment at Humber


Assessment plot

Assessment plot for  benzo[a]pyrene in sediment at Humber


PAH (parent) data

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


PAH (parent) assessment

PAH (parent) assessment of  benzo[a]pyrene in sediment at Humber


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