Projects

CSEMP assessment of CB52 in sediment at inner (Firth of Forth)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1101.83104.08-47.9195.83
linear2103.00107.57-47.5095.000.830 10.3622
smooth (df = 2)3100.56108.89-45.2890.564.441 10.0351
smooth (df = 3)4100.69115.09-44.3588.691.868 10.1717

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall19992016-0.6735-1.2493-0.5758 0.6160-0.9350.3743
last 20 years19992016-0.6735-1.2493-0.5758 0.6160-0.9350.3743

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC0.28670.1200-0.8709 0.3236-2.6910.9876
EAC0.28672.7000 2.2426 0.3236 6.929<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  CB52 in sediment at inner (Firth of Forth)


Raw data with assessment

Raw data with assessment of  CB52 in sediment at inner (Firth of Forth)


Assessment plot

Assessment plot for  CB52 in sediment at inner (Firth of Forth)


Chlorobiphenyls data

Chlorobiphenyls data for assessment of  CB52 in sediment at inner (Firth of Forth)


Chlorobiphenyls assessment

Chlorobiphenyls assessment of  CB52 in sediment at inner (Firth of Forth)


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