Projects

CSEMP assessment of chrysene in sediment at inner (Firth of Forth)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean184.3786.01-39.1878.37
linear285.8789.07-38.9377.870.503 10.4781
smooth (df = 2)387.6293.18-38.8177.620.245 10.6207
smooth (df = 3)488.6497.64-38.3276.640.986 10.3207

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920164.9484.690-0.2587 0.3621-0.7140.4887
last 20 years199920164.9484.690-0.2587 0.3621-0.7140.4887

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC108.8 20.0-1.6940 0.2009-8.4321.0000
ERL108.8384.0 1.2609 0.2009 6.276<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  chrysene in sediment at inner (Firth of Forth)


Raw data with assessment

Raw data with assessment of  chrysene in sediment at inner (Firth of Forth)


Assessment plot

Assessment plot for  chrysene in sediment at inner (Firth of Forth)


PAH (parent) data

PAH (parent) data for assessment of  chrysene in sediment at inner (Firth of Forth)


PAH (parent) assessment

PAH (parent) assessment of  chrysene in sediment at inner (Firth of Forth)


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