CSEMP assessment of fluoranthene in sediment at middle (Firth of Clyde)
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 103.73 | 105.73 | -48.87 | 97.73 | | | |
| linear | 2 | 105.27 | 109.27 | -48.64 | 97.27 | 0.462 | 1 | 0.4966 |
| smooth (df = 2) | 3 | 100.37 | 107.51 | -45.19 | 90.37 | 6.899 | 1 | 0.0086 |
| smooth (df = 3) | 4 | 100.11 | 112.11 | -44.05 | 88.11 | 2.264 | 1 | 0.1324 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2006 | 2017 | 4.825 | 4.987 | 0.16233 | 0.23746 | 0.684 | 0.5098 |
| last 20 years | 2006 | 2017 | 4.825 | 4.987 | 0.16233 | 0.23746 | 0.684 | 0.5098 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 146.5 | 39.0 | -1.3235 | 0.1241 | -10.668 | 1.0000 |
| ERL | 146.5 | 600.0 | 1.4099 | 0.1241 | 11.365 | <0.0001 |
Raw data with supporting information
__sdmn_flu_au.jpg "Raw data with supporting information for assessment of fluoranthene in sediment at middle (Firth of Clyde)")
Raw data with assessment
__sdmn_flu_da.jpg "Raw data with assessment of fluoranthene in sediment at middle (Firth of Clyde)")
Assessment plot
__sdmn_flu_as.jpg "Assessment plot for fluoranthene in sediment at middle (Firth of Clyde)")
PAH (parent) data
__sdmn_p(p)da.jpg "PAH (parent) data for assessment of fluoranthene in sediment at middle (Firth of Clyde)")
PAH (parent) assessment
__sdmn_p(p)as.jpg "PAH (parent) assessment of fluoranthene in sediment at middle (Firth of Clyde)")
Related pages
