Projects

CSEMP assessment of CB28 in sediment at Hunterston (Clyde)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1164.88166.08-79.44158.88
linear2166.77169.06-79.39158.770.105 10.7463
smooth (df = 2)3168.16172.01-79.08158.160.615 10.4331
smooth (df = 3)4165.90171.90-76.95153.904.259 10.0390
smooth (df = 4)5166.67175.57-76.33152.671.235 10.2665

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall20002018-0.9689-0.82060.14830.45470.3260.7485
last 20 years20002018-0.9689-0.82060.14830.45470.3260.7485

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC0.44020.2200-0.6935 0.2537-2.7340.9926
EAC0.44021.7000 1.3512 0.2537 5.326<0.0001

 


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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