Projects

CSEMP assessment of pyrene in sediment at outer (Firth of Clyde)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1107.40108.68-50.70101.40
linear2103.99106.45-47.99 95.99 5.411 10.0200
smooth (df = 2)3 92.94 97.11-41.47 82.9413.046 10.0003
smooth (df = 3)4 94.92101.47-41.46 82.92 0.020 10.8872
smooth (df = 4)5 96.06105.86-41.03 82.06 0.860 10.3537

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200020174.9044.272-0.6318 0.1890-3.3430.0048
last 20 years200020174.9044.272-0.6318 0.1890-3.3430.0048

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 71.6 24.0-1.0937 0.1590-6.8801.0000
ERL 71.6665.0 2.2280 0.159014.016<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  pyrene in sediment at outer (Firth of Clyde)


Raw data with assessment

Raw data with assessment of  pyrene in sediment at outer (Firth of Clyde)


Assessment plot

Assessment plot for  pyrene in sediment at outer (Firth of Clyde)


PAH (parent) data

PAH (parent) data for assessment of  pyrene in sediment at outer (Firth of Clyde)


PAH (parent) assessment

PAH (parent) assessment of  pyrene in sediment at outer (Firth of Clyde)


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