Projects

CSEMP assessment of CB138 in sediment at Whiteness Head (Moray Firth)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean122.5223.80-8.2616.52
linear214.0516.51-3.03 6.0510.466 10.0012
smooth (df = 2)314.9719.13-2.48 4.97 1.087 10.2972
smooth (df = 3)416.9623.50-2.48 4.96 0.006 10.9359
smooth (df = 4)518.9628.76-2.48 4.96 0.003 10.9594

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall19992017-0.9650-1.9746-1.0096 0.2575-3.9210.0014
last 20 years19992017-0.9650-1.9746-1.0096 0.2575-3.9210.0014

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC0.1390.1500.0770.161 0.4810.3187
EAC0.1397.9004.0410.16125.101<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  CB138 in sediment at Whiteness Head (Moray Firth)


Raw data with assessment

Raw data with assessment of  CB138 in sediment at Whiteness Head (Moray Firth)


Assessment plot

Assessment plot for  CB138 in sediment at Whiteness Head (Moray Firth)


Chlorobiphenyls data

Chlorobiphenyls data for assessment of  CB138 in sediment at Whiteness Head (Moray Firth)


Chlorobiphenyls assessment

Chlorobiphenyls assessment of  CB138 in sediment at Whiteness Head (Moray Firth)


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