Projects

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

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean181.0582.25-37.5275.05
linear274.2776.55-33.1366.278.783 10.0030
smooth (df = 2)374.2578.10-32.1264.252.018 10.1555
smooth (df = 3)475.8681.86-31.9363.860.392 10.5311
smooth (df = 4)575.7284.62-30.8661.722.141 10.1434

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200020185.7974.560-1.2366 0.3674-3.3660.0039
last 20 years200020185.7974.560-1.2366 0.3674-3.3660.0039

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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