Projects

CSEMP assessment of pyrene in sediment at Lough Foyle

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1122.90124.90-58.45116.90
linear2118.39122.39-55.19110.39 6.514 10.0107
smooth (df = 2)3109.48116.62-49.74 99.4810.907 10.0010
smooth (df = 3)4110.96122.96-49.48 98.96 0.519 10.4714

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200020186.0024.257-1.7454 0.3915-4.4580.0016
last 20 years200020186.0024.257-1.7454 0.3915-4.4580.0016

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 70.6 24.0-1.0788 0.2845-3.7920.9979
ERL 70.6665.0 2.2429 0.2845 7.884<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  pyrene in sediment at Lough Foyle


Raw data with assessment

Raw data with assessment of  pyrene in sediment at Lough Foyle


Assessment plot

Assessment plot for  pyrene in sediment at Lough Foyle


PAH (parent) data

PAH (parent) data for assessment of  pyrene in sediment at Lough Foyle


PAH (parent) assessment

PAH (parent) assessment of  pyrene in sediment at Lough Foyle


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