CSEMP assessment of fluoranthene in sediment at Hunterston (Clyde)
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 156.31 | 157.51 | -75.15 | 150.31 | | | |
| linear | 2 | 157.93 | 160.21 | -74.96 | 149.93 | 0.382 | 1 | 0.5365 |
| smooth (df = 2) | 3 | 158.62 | 162.47 | -74.31 | 148.62 | 1.305 | 1 | 0.2533 |
| smooth (df = 3) | 4 | 157.93 | 163.93 | -72.96 | 145.93 | 2.696 | 1 | 0.1006 |
| smooth (df = 4) | 5 | 158.25 | 167.16 | -72.12 | 144.25 | 1.678 | 1 | 0.1952 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2000 | 2018 | 5.383 | 5.568 | 0.18506 | 0.29869 | 0.620 | 0.5443 |
| last 20 years | 2000 | 2018 | 5.383 | 5.568 | 0.18506 | 0.29869 | 0.620 | 0.5443 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 261.8 | 39.0 | -1.9042 | 0.1585 | -12.017 | 1.0000 |
| ERL | 261.8 | 600.0 | 0.8292 | 0.1585 | 5.233 | <0.0001 |
Raw data with supporting information
_sdmn_flu_au.jpg "Raw data with supporting information for assessment of fluoranthene in sediment at Hunterston (Clyde)")
Raw data with assessment
_sdmn_flu_da.jpg "Raw data with assessment of fluoranthene in sediment at Hunterston (Clyde)")
Assessment plot
_sdmn_flu_as.jpg "Assessment plot for fluoranthene in sediment at Hunterston (Clyde)")
PAH (parent) data
_sdmn_p(p)da.jpg "PAH (parent) data for assessment of fluoranthene in sediment at Hunterston (Clyde)")
PAH (parent) assessment
_sdmn_p(p)as.jpg "PAH (parent) assessment of fluoranthene in sediment at Hunterston (Clyde)")
Related pages
