Projects

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

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1143.74145.03-68.87137.74
linear2144.17146.63-68.08136.171.578 10.2091
smooth (df = 2)3141.07145.24-65.54131.075.093 10.0240
smooth (df = 3)4143.02149.57-65.51131.020.053 10.8179
smooth (df = 4)5144.82154.62-65.41130.820.198 10.6562

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200120184.5964.296-0.29970 0.23469-1.2770.2210
last 20 years200120184.5964.296-0.29970 0.23469-1.2770.2210

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 73.4 30.0-0.8949 0.1400-6.3901.0000
ERL 73.4430.0 1.7677 0.140012.624<0.0001

 


Raw data with supporting information

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


Raw data with assessment

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


Assessment plot

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


PAH (parent) data

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


PAH (parent) assessment

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


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