Projects

CSEMP assessment of CB138 in sediment at middle (Firth of Clyde)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean164.3766.62-29.1858.37
linear265.4270.00-28.7157.420.945 10.3309
smooth (df = 2)366.0874.41-28.0456.081.349 10.2454
smooth (df = 3)463.2177.61-25.6151.214.863 10.0274

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall20072017-0.4558-0.23770.218090.216741.0060.3406
last 20 years20072017-0.4558-0.23770.218090.216741.0060.3406

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC0.7880.150-1.6594 0.1273-13.0391.0000
EAC0.7887.900 2.3046 0.1273 18.108<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  CB138 in sediment at middle (Firth of Clyde)


Raw data with assessment

Raw data with assessment of  CB138 in sediment at middle (Firth of Clyde)


Assessment plot

Assessment plot for  CB138 in sediment at middle (Firth of Clyde)


Chlorobiphenyls data

Chlorobiphenyls data for assessment of  CB138 in sediment at middle (Firth of Clyde)


Chlorobiphenyls assessment

Chlorobiphenyls assessment of  CB138 in sediment at middle (Firth of Clyde)


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