Projects

CSEMP assessment of CB28 in sediment at outer (Firth of Clyde)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1101.16102.66-47.5895.16
linear2101.65104.56-46.8293.651.510 10.2192
smooth (df = 2)3 96.95101.95-43.4886.956.694 10.0097
smooth (df = 3)4 97.93105.93-42.9685.931.028 10.3107
smooth (df = 4)5 92.93105.18-39.4778.936.995 10.0082

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall20002017-0.4460-0.9449-0.4989 0.3880-1.2860.2228
last 20 years20002017-0.4460-0.9449-0.4989 0.3880-1.2860.2228

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC0.38870.2200-0.5692 0.3223-1.7660.9486
EAC0.38871.7000 1.4756 0.3223 4.5790.0003

 


Raw data with supporting information

Raw data with supporting information for assessment of  CB28 in sediment at outer (Firth of Clyde)


Raw data with assessment

Raw data with assessment of  CB28 in sediment at outer (Firth of Clyde)


Assessment plot

Assessment plot for  CB28 in sediment at outer (Firth of Clyde)


Chlorobiphenyls data

Chlorobiphenyls data for assessment of  CB28 in sediment at outer (Firth of Clyde)


Chlorobiphenyls assessment

Chlorobiphenyls assessment of  CB28 in sediment at outer (Firth of Clyde)


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