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 | 153.10 | 154.73 | -73.55 | 147.10 | | | |
| linear | 2 | 148.62 | 151.82 | -70.31 | 140.62 | 6.480 | 1 | 0.0109 |
| smooth (df = 2) | 3 | 150.03 | 155.59 | -70.02 | 140.03 | 0.584 | 1 | 0.4446 |
| smooth (df = 3) | 4 | 140.42 | 149.42 | -64.21 | 128.42 | 11.606 | 1 | 0.0007 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2003 | 2017 | 4.339 | 7.029 | 2.6899 | 0.4295 | 6.263 | <0.0001 |
| last 20 years | 2003 | 2017 | 4.339 | 7.029 | 2.6899 | 0.4295 | 6.263 | <0.0001 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 1129 | 39 | -3.365 | 0.277 | -12.168 | 1.0000 |
| ERL | 1129 | 600 | -0.632 | 0.277 | -2.285 | 0.9773 |
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
