Projects

CSEMP assessment of CB28 in sediment at Hunterston (Clyde)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1153.27154.56-73.63147.27
linear2155.01157.47-73.51147.01 0.257 10.6125
smooth (df = 2)3155.76159.92-72.88145.76 1.255 10.2626
smooth (df = 3)4147.23153.78-67.62135.2310.524 10.0012
smooth (df = 4)5149.13158.93-67.56135.13 0.105 10.7462

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall20002017-1.3902 0.05761.44780.45923.1530.0076
last 20 years20002017-1.3902 0.05761.44780.45923.1530.0076

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC1.05930.2200-1.5717 0.2708-5.8051.0000
EAC1.05931.7000 0.4731 0.2708 1.7470.0521

 


Raw data with supporting information

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


Raw data with assessment

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


Assessment plot

Assessment plot for  CB28 in sediment at Hunterston (Clyde)


Chlorobiphenyls data

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


Chlorobiphenyls assessment

Chlorobiphenyls assessment of  CB28 in sediment at Hunterston (Clyde)


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