Projects

CSEMP assessment of CB28 in sediment at Holy Loch (Clyde)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean130.8632.36-12.4324.86
linear232.4135.32-12.2024.410.453 10.5010
smooth (df = 2)333.2938.29-11.6523.291.116 10.2908
smooth (df = 3)435.2943.29-11.6423.290.004 10.9485
smooth (df = 4)534.5946.84-10.3020.592.698 10.1005

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200020180.43680.77410.33730.49700.6790.5093
last 20 years200020180.43680.77410.33730.49700.6790.5093

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC2.16860.2200-2.2882 0.3156-7.2491.0000
EAC2.16861.7000-0.2435 0.3156-0.7710.7729

 


Raw data with supporting information

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


Raw data with assessment

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


Assessment plot

Assessment plot for  CB28 in sediment at Holy Loch (Clyde)


Chlorobiphenyls data

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


Chlorobiphenyls assessment

Chlorobiphenyls assessment of  CB28 in sediment at Holy Loch (Clyde)


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