Projects

CSEMP assessment of benzo[a]anthracene in sediment at Forth Estuary

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean165.7868.35-29.8959.78
linear267.7873.11-29.8959.780.000 10.9865
smooth (df = 2)367.0677.06-28.5357.062.717 10.0993
smooth (df = 3)468.7086.70-28.3556.700.367 10.5445

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200020175.1195.105-0.0136 0.7918-0.0170.9867
last 20 years200020175.1195.105-0.0136 0.7918-0.0170.9867

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC164.9 16.0-2.3328 0.4820-4.8400.9994
ERL164.9261.0 0.4592 0.4820 0.9530.1843

 


Raw data with supporting information

Raw data with supporting information for assessment of  benzo[a]anthracene in sediment at Forth Estuary


Raw data with assessment

Raw data with assessment of  benzo[a]anthracene in sediment at Forth Estuary


Assessment plot

Assessment plot for  benzo[a]anthracene in sediment at Forth Estuary


PAH (parent) data

PAH (parent) data for assessment of  benzo[a]anthracene in sediment at Forth Estuary


PAH (parent) assessment

PAH (parent) assessment of  benzo[a]anthracene in sediment at Forth Estuary


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