Projects

CSEMP assessment of pyrene in sediment at Lough Foyle

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1117.50119.75-55.75111.50
linear2112.24116.81-52.12104.247.268 10.0070
smooth (df = 2)3105.32113.65-47.66 95.328.918 10.0028
smooth (df = 3)4107.03121.43-47.51 95.030.291 10.5893

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200020176.0374.167-1.8707 0.4189-4.4650.0021
last 20 years200020176.0374.167-1.8707 0.4189-4.4650.0021

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 64.5 24.0-0.9887 0.3156-3.1330.9930
ERL 64.5665.0 2.3330 0.3156 7.392<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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