CSEMP assessment of anthracene 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 | 133.66 | 135.66 | -63.83 | 127.66 | | | |
| linear | 2 | 131.08 | 135.08 | -61.54 | 123.08 | 4.576 | 1 | 0.0324 |
| smooth (df = 2) | 3 | 133.01 | 140.15 | -61.51 | 123.01 | 0.070 | 1 | 0.7909 |
| smooth (df = 3) | 4 | 123.64 | 135.64 | -55.82 | 111.64 | 11.370 | 1 | 0.0007 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2003 | 2017 | 3.749 | 4.994 | 1.2444 | 0.5290 | 2.352 | 0.0405 |
| last 20 years | 2003 | 2017 | 3.749 | 4.994 | 1.2444 | 0.5290 | 2.352 | 0.0405 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 147.51 | 5.00 | -3.384 | 0.279 | -12.112 | 1.0000 |
| ERL | 147.51 | 85.00 | -0.551 | 0.279 | -1.973 | 0.9616 |
Raw data with supporting information
__sdmn_ant_au.jpg "Raw data with supporting information for assessment of anthracene in sediment at inner (Firth of Clyde)")
Raw data with assessment
__sdmn_ant_da.jpg "Raw data with assessment of anthracene in sediment at inner (Firth of Clyde)")
Assessment plot
__sdmn_ant_as.jpg "Assessment plot for anthracene in sediment at inner (Firth of Clyde)")
PAH (parent) data
__sdmn_p(p)da.jpg "PAH (parent) data for assessment of anthracene in sediment at inner (Firth of Clyde)")
PAH (parent) assessment
__sdmn_p(p)as.jpg "PAH (parent) assessment of anthracene in sediment at inner (Firth of Clyde)")
Related pages
