CSEMP assessment of phenanthrene in sediment at inner (Firth of Forth)
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 190.12 | 191.51 | -92.06 | 184.12 | | | |
| linear | 2 | 190.23 | 192.90 | -91.12 | 182.23 | 1.891 | 1 | 0.1691 |
| smooth (df = 2) | 3 | 192.15 | 196.70 | -91.08 | 182.15 | 0.077 | 1 | 0.7807 |
| smooth (df = 3) | 4 | 194.15 | 201.35 | -91.08 | 182.15 | 0.002 | 1 | 0.9619 |
| smooth (df = 4) | 5 | 195.79 | 206.68 | -90.90 | 181.79 | 0.358 | 1 | 0.5495 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 1999 | 2018 | 5.036 | 4.465 | -0.5711 | 0.4046 | -1.412 | 0.1799 |
| last 20 years | 1999 | 2018 | 5.036 | 4.465 | -0.5711 | 0.4046 | -1.412 | 0.1799 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 86.89 | 32.00 | -0.9989 | 0.2204 | -4.533 | 0.9998 |
| ERL | 86.89 | 240.00 | 1.0160 | 0.2204 | 4.610 | 0.0002 |
Raw data with supporting information
__sdmn_pa_au.jpg "Raw data with supporting information for assessment of phenanthrene in sediment at inner (Firth of Forth)")
Raw data with assessment
__sdmn_pa_da.jpg "Raw data with assessment of phenanthrene in sediment at inner (Firth of Forth)")
Assessment plot
__sdmn_pa_as.jpg "Assessment plot for phenanthrene in sediment at inner (Firth of Forth)")
PAH (parent) data
__sdmn_p(p)da.jpg "PAH (parent) data for assessment of phenanthrene in sediment at inner (Firth of Forth)")
PAH (parent) assessment
__sdmn_p(p)as.jpg "PAH (parent) assessment of phenanthrene in sediment at inner (Firth of Forth)")
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