Projects

CSEMP assessment of chrysene in sediment at Solway Firth

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1130.03131.41-62.01124.03
linear2129.35132.02-60.68121.352.677 10.1018
smooth (df = 2)3125.31129.86-57.66115.316.038 10.0140
smooth (df = 3)4127.16134.36-57.58115.160.151 10.6974
smooth (df = 4)5129.03139.91-57.51115.030.137 10.7112

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200120175.0694.752-0.3163 0.1909-1.6570.1215
last 20 years200120175.0694.752-0.3163 0.1909-1.6570.1215

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC115.9 20.0-1.7566 0.1585-11.0801.0000
ERL115.9384.0 1.1983 0.1585 7.558<0.0001

 


Raw data with supporting information

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


Raw data with assessment

Raw data with assessment of  chrysene in sediment at Solway Firth


Assessment plot

Assessment plot for  chrysene in sediment at Solway Firth


PAH (parent) data

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


PAH (parent) assessment

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


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