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CSEMP assessment of benzo[a]anthracene in sediment at Solway Firth

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1141.83143.22-67.92135.83
linear2140.27142.93-66.13132.273.563 10.0591
smooth (df = 2)3139.15143.70-64.58129.153.116 10.0775
smooth (df = 3)4140.96148.16-64.48128.960.194 10.6596
smooth (df = 4)5142.74153.63-64.37128.740.222 10.6378

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200120174.6424.182-0.4607 0.2344-1.9650.0696
last 20 years200120174.6424.182-0.4607 0.2344-1.9650.0696

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 65.48 16.00-1.4092 0.1411-9.9881.0000
ERL 65.48261.00 1.3827 0.1411 9.801<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  benzo[a]anthracene in sediment at Solway Firth


Raw data with assessment

Raw data with assessment of  benzo[a]anthracene in sediment at Solway Firth


Assessment plot

Assessment plot for  benzo[a]anthracene in sediment at Solway Firth


PAH (parent) data

PAH (parent) data for assessment of  benzo[a]anthracene in sediment at Solway Firth


PAH (parent) assessment

PAH (parent) assessment of  benzo[a]anthracene in sediment at Solway Firth


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