Projects

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

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1109.09110.48-51.55103.09
linear2108.75111.41-50.37100.752.349 10.1254
smooth (df = 2)3106.07110.61-48.03 96.074.680 10.0305
smooth (df = 3)4108.04115.24-48.02 96.040.030 10.8615
smooth (df = 4)5109.51120.40-47.76 95.510.523 10.4694

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920160.97891.75400.77520.47931.6170.1281
last 20 years199920160.97891.75400.77520.47931.6170.1281

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 5.78 16.001.0190.333 3.0580.0043
ERL 5.78261.003.8110.33311.440<0.0001

 


Raw data with supporting information

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


Raw data with assessment

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


Assessment plot

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


PAH (parent) data

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


PAH (parent) assessment

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


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