Projects

CSEMP assessment of benzo[a]anthracene in sediment at outer (Firth of Clyde)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1115.19116.47-54.59109.19
linear2109.48111.94-50.74101.487.707 10.0055
smooth (df = 2)3104.05108.22-47.03 94.057.424 10.0064
smooth (df = 3)4105.88112.43-46.94 93.880.173 10.6772
smooth (df = 4)5104.17113.97-45.08 90.173.713 10.0540

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200020174.3613.644-0.7171 0.1980-3.6220.0028
last 20 years200020174.3613.644-0.7171 0.1980-3.6220.0028

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 38.25 16.00-0.8715 0.1649-5.2850.9999
ERL 38.25261.00 1.9204 0.164911.645<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  benzo[a]anthracene in sediment at outer (Firth of Clyde)


Raw data with assessment

Raw data with assessment of  benzo[a]anthracene in sediment at outer (Firth of Clyde)


Assessment plot

Assessment plot for  benzo[a]anthracene in sediment at outer (Firth of Clyde)


PAH (parent) data

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


PAH (parent) assessment

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


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