Projects

CSEMP assessment of chrysene in sediment at Sea of Hebrides

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1159.63162.63-76.81153.63
linear2160.63167.03-76.31152.631.001 10.3171
smooth (df = 2)3162.22174.72-76.11152.220.412 10.5207

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200620162.59582.96150.36560.34321.0650.3220
last 20 years200620162.59582.96150.36560.34321.0650.3220

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 19.3 20.00.03430.2183 0.1570.4398
ERL 19.3384.02.98920.218313.695<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  chrysene in sediment at Sea of Hebrides


Raw data with assessment

Raw data with assessment of  chrysene in sediment at Sea of Hebrides


Assessment plot

Assessment plot for  chrysene in sediment at Sea of Hebrides


PAH (parent) data

PAH (parent) data for assessment of  chrysene in sediment at Sea of Hebrides


PAH (parent) assessment

PAH (parent) assessment of  chrysene in sediment at Sea of Hebrides


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