Projects

CSEMP assessment of CB180 in sediment at Hunterston (Clyde)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1181.81183.01-87.91175.81
linear2183.81186.10-87.91175.810.001 10.9785
smooth (df = 2)3185.65189.50-87.83175.650.160 10.6887
smooth (df = 3)4186.55192.55-87.28174.551.098 10.2947
smooth (df = 4)5188.42197.33-87.21174.420.136 10.7125

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall20002018-0.5481-0.53640.01170.42380.0280.9784
last 20 years20002018-0.5481-0.53640.01170.42380.0280.9784

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 0.585 0.100-1.7662 0.2300-7.6791.0000
EAC 0.58512.000 3.0213 0.230013.136<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  CB180 in sediment at Hunterston (Clyde)


Raw data with assessment

Raw data with assessment of  CB180 in sediment at Hunterston (Clyde)


Assessment plot

Assessment plot for  CB180 in sediment at Hunterston (Clyde)


Chlorobiphenyls data

Chlorobiphenyls data for assessment of  CB180 in sediment at Hunterston (Clyde)


Chlorobiphenyls assessment

Chlorobiphenyls assessment of  CB180 in sediment at Hunterston (Clyde)


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