Projects

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

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean159.8462.42-26.9253.84
linear256.1261.45-24.0648.125.723 10.0167
smooth (df = 2)357.5467.54-23.7747.540.580 10.4462
smooth (df = 3)456.0774.07-22.0444.073.466 10.0626

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall20072017-1.4396-0.58410.85540.31112.7500.0251
last 20 years20072017-1.4396-0.58410.85540.31112.7500.0251

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC0.55760.2200-0.9300 0.1689-5.5070.9997
EAC0.55761.7000 1.1148 0.1689 6.601<0.0001

 


Raw data with supporting information

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


Raw data with assessment

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


Assessment plot

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


Chlorobiphenyls data

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


Chlorobiphenyls assessment

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


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