Projects

CSEMP assessment of CB28 in sediment at inner (Firth of Forth)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1118.82120.45-56.41112.82
linear2120.27123.47-56.13112.270.550 10.4583
smooth (df = 2)3122.27127.82-56.13112.270.002 10.9640
smooth (df = 3)4119.90128.90-53.95107.904.367 10.0366

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall19992018-0.2098-0.5689-0.3591 0.4673-0.7690.4570
last 20 years19992018-0.2098-0.5689-0.3591 0.4673-0.7690.4570

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC0.56620.2200-0.9453 0.2600-3.6350.9983
EAC0.56621.7000 1.0995 0.2600 4.2280.0006

 


Raw data with supporting information

Raw data with supporting information for assessment of  CB28 in sediment at inner (Firth of Forth)


Raw data with assessment

Raw data with assessment of  CB28 in sediment at inner (Firth of Forth)


Assessment plot

Assessment plot for  CB28 in sediment at inner (Firth of Forth)


Chlorobiphenyls data

Chlorobiphenyls data for assessment of  CB28 in sediment at inner (Firth of Forth)


Chlorobiphenyls assessment

Chlorobiphenyls assessment of  CB28 in sediment at inner (Firth of Forth)


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