Projects

CSEMP assessment of pyrene in sediment at Solway Firth

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1135.24136.62-64.62129.24
linear2134.83137.50-63.42126.832.407 10.1208
smooth (df = 2)3134.62139.16-62.31124.622.212 10.1369
smooth (df = 3)4136.62143.82-62.31124.620.002 10.9687
smooth (df = 4)5138.53149.42-62.27124.530.084 10.7726

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200120175.0854.738-0.347 0.218-1.5920.1338
last 20 years200120175.0854.738-0.347 0.218-1.5920.1338

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC114.2 24.0-1.5595 0.1321-11.8091.0000
ERL114.2665.0 1.7622 0.1321 13.344<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  pyrene in sediment at Solway Firth


Raw data with assessment

Raw data with assessment of  pyrene in sediment at Solway Firth


Assessment plot

Assessment plot for  pyrene in sediment at Solway Firth


PAH (parent) data

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


PAH (parent) assessment

PAH (parent) assessment of  pyrene in sediment at Solway Firth


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