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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)
mean1147.13148.41-70.56141.13
linear2146.59149.06-69.30138.592.533 10.1115
smooth (df = 2)3143.96148.13-66.98133.964.634 10.0313
smooth (df = 3)4145.80152.35-66.90133.800.160 10.6889
smooth (df = 4)5147.77157.57-66.89133.770.027 10.8684

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200120184.8244.498-0.3262 0.1989-1.6400.1233
last 20 years200120184.8244.498-0.3262 0.1989-1.6400.1233

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 89.81 16.00-1.7251 0.1622-10.6371.0000
ERL 89.81261.00 1.0668 0.1622 6.578<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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