Projects

CSEMP assessment of benzo[a]pyrene in sediment at Holy Loch (Clyde)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean148.8250.21-21.4142.82
linear246.2648.92-19.1338.264.566 10.0326
smooth (df = 2)346.5851.12-18.2936.581.678 10.1952
smooth (df = 3)448.0355.23-18.0236.030.545 10.4603
smooth (df = 4)548.0758.96-17.0334.071.963 10.1612

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200020186.3615.663-0.6988 0.3053-2.2890.0381
last 20 years200020186.3615.663-0.6988 0.3053-2.2890.0381

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC287.9 30.0-2.2614 0.2045-11.0561.0000
ERL287.9430.0 0.4012 0.2045 1.9620.0350

 


Raw data with supporting information

Raw data with supporting information for assessment of  benzo[a]pyrene in sediment at Holy Loch (Clyde)


Raw data with assessment

Raw data with assessment of  benzo[a]pyrene in sediment at Holy Loch (Clyde)


Assessment plot

Assessment plot for  benzo[a]pyrene in sediment at Holy Loch (Clyde)


PAH (parent) data

PAH (parent) data for assessment of  benzo[a]pyrene in sediment at Holy Loch (Clyde)


PAH (parent) assessment

PAH (parent) assessment of  benzo[a]pyrene in sediment at Holy Loch (Clyde)


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