CSEMP assessment of fluoranthene in sediment at inner (Firth of Clyde)
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 158.98 | 160.48 | -76.49 | 152.98 | | | |
| linear | 2 | 156.25 | 159.16 | -74.12 | 148.25 | 4.733 | 1 | 0.0296 |
| smooth (df = 2) | 3 | 156.57 | 161.57 | -73.28 | 146.57 | 1.682 | 1 | 0.1947 |
| smooth (df = 3) | 4 | 153.83 | 161.83 | -70.91 | 141.83 | 4.739 | 1 | 0.0295 |
| smooth (df = 4) | 5 | 155.54 | 167.79 | -70.77 | 141.54 | 0.291 | 1 | 0.5897 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2003 | 2018 | 5.339 | 6.497 | 1.1580 | 0.4911 | 2.358 | 0.0347 |
| last 20 years | 2003 | 2018 | 5.339 | 6.497 | 1.1580 | 0.4911 | 2.358 | 0.0347 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 663.2 | 39.0 | -2.8335 | 0.2737 | -10.354 | 1.0000 |
| ERL | 663.2 | 600.0 | -0.1001 | 0.2737 | -0.366 | 0.6398 |
Raw data with supporting information
__sdmn_flu_au.jpg "Raw data with supporting information for assessment of fluoranthene in sediment at inner (Firth of Clyde)")
Raw data with assessment
__sdmn_flu_da.jpg "Raw data with assessment of fluoranthene in sediment at inner (Firth of Clyde)")
Assessment plot
__sdmn_flu_as.jpg "Assessment plot for fluoranthene in sediment at inner (Firth of Clyde)")
PAH (parent) data
__sdmn_p(p)da.jpg "PAH (parent) data for assessment of fluoranthene in sediment at inner (Firth of Clyde)")
PAH (parent) assessment
__sdmn_p(p)as.jpg "PAH (parent) assessment of fluoranthene in sediment at inner (Firth of Clyde)")
Related pages
