CSEMP assessment of anthracene in sediment at outer (Firth of Clyde)
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 143.49 | 144.87 | -68.74 | 137.49 | | | |
| linear | 2 | 144.90 | 147.57 | -68.45 | 136.90 | 0.583 | 1 | 0.4452 |
| smooth (df = 2) | 3 | 140.20 | 144.75 | -65.10 | 130.20 | 6.700 | 1 | 0.0096 |
| smooth (df = 3) | 4 | 141.28 | 148.48 | -64.64 | 129.28 | 0.923 | 1 | 0.3367 |
| smooth (df = 4) | 5 | 143.26 | 154.15 | -64.63 | 129.26 | 0.020 | 1 | 0.8880 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2000 | 2017 | 2.9391 | 2.5251 | -0.4140 | 0.5023 | -0.824 | 0.4247 |
| last 20 years | 2000 | 2017 | 2.9391 | 2.5251 | -0.4140 | 0.5023 | -0.824 | 0.4247 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 12.49 | 5.00 | -0.9156 | 0.4171 | -2.195 | 0.9765 |
| ERL | 12.49 | 85.00 | 1.9176 | 0.4171 | 4.597 | 0.0002 |
Raw data with supporting information
__sdmn_ant_au.jpg "Raw data with supporting information for assessment of anthracene in sediment at outer (Firth of Clyde)")
Raw data with assessment
__sdmn_ant_da.jpg "Raw data with assessment of anthracene in sediment at outer (Firth of Clyde)")
Assessment plot
__sdmn_ant_as.jpg "Assessment plot for anthracene in sediment at outer (Firth of Clyde)")
PAH (parent) data
__sdmn_p(p)da.jpg "PAH (parent) data for assessment of anthracene in sediment at outer (Firth of Clyde)")
PAH (parent) assessment
__sdmn_p(p)as.jpg "PAH (parent) assessment of anthracene in sediment at outer (Firth of Clyde)")
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