Projects

CSEMP assessment of benzo[a]pyrene in sediment at Sea of Hebrides

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1147.77150.77-70.89141.77
linear2148.74155.14-70.37140.741.033 10.3094
smooth (df = 2)3150.35162.85-70.17140.350.390 10.5324

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200620162.55622.86100.304740.283301.0760.3177
last 20 years200620162.55622.86100.304740.283301.0760.3177

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 17.5 30.00.5400.180 3.0070.0099
ERL 17.5430.03.2030.18017.829<0.0001

 


Raw data with supporting information

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


Raw data with assessment

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


Assessment plot

Assessment plot for  benzo[a]pyrene in sediment at Sea of Hebrides


PAH (parent) data

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


PAH (parent) assessment

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


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