Projects

CSEMP assessment of c3 phenanthrenes in sediment at Garroch Head (Clyde)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean173.2574.63-33.6267.25
linear265.4768.14-28.7457.479.773 10.0018
smooth (df = 2)366.9771.51-28.4856.970.508 10.4760
smooth (df = 3)468.9176.11-28.4556.910.061 10.8053
smooth (df = 4)568.3879.27-27.1954.382.527 10.1119

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200020175.6264.300-1.3258 0.3680-3.6030.0029
last 20 years200020175.6264.300-1.3258 0.3680-3.6030.0029

Status assessment

No assessment criteria

 


Raw data with supporting information

Raw data with supporting information for assessment of  c3 phenanthrenes in sediment at Garroch Head (Clyde)


Raw data with assessment

Raw data with assessment of  c3 phenanthrenes in sediment at Garroch Head (Clyde)


Assessment plot

Assessment plot for  c3 phenanthrenes in sediment at Garroch Head (Clyde)


PAH (alkylated) data

PAH (alkylated) data for assessment of  c3 phenanthrenes in sediment at Garroch Head (Clyde)


PAH (alkylated) assessment

PAH (alkylated) assessment of  c3 phenanthrenes in sediment at Garroch Head (Clyde)


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