Projects

CSEMP assessment of c2 phenanthrenes in sediment at Garroch Head (Clyde)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean179.9281.21-36.9673.92
linear272.7075.16-32.3564.709.222 10.0024
smooth (df = 2)373.5377.69-31.7663.531.175 10.2785
smooth (df = 3)475.1081.65-31.5563.100.426 10.5142
smooth (df = 4)573.7683.56-29.8859.763.342 10.0675

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200020175.8404.528-1.3125 0.3762-3.4890.0033
last 20 years200020175.8404.528-1.3125 0.3762-3.4890.0033

Status assessment

No assessment criteria

 


Raw data with supporting information

Raw data with supporting information for assessment of  c2 phenanthrenes in sediment at Garroch Head (Clyde)


Raw data with assessment

Raw data with assessment of  c2 phenanthrenes in sediment at Garroch Head (Clyde)


Assessment plot

Assessment plot for  c2 phenanthrenes in sediment at Garroch Head (Clyde)


PAH (alkylated) data

PAH (alkylated) data for assessment of  c2 phenanthrenes in sediment at Garroch Head (Clyde)


PAH (alkylated) assessment

PAH (alkylated) assessment of  c2 phenanthrenes in sediment at Garroch Head (Clyde)


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