CSEMP assessment of anthracene 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 | 151.48 | 152.68 | -72.74 | 145.48 | | | |
| linear | 2 | 152.99 | 155.27 | -72.49 | 144.99 | 0.490 | 1 | 0.4839 |
| smooth (df = 2) | 3 | 153.41 | 157.25 | -71.70 | 143.41 | 1.582 | 1 | 0.2085 |
| smooth (df = 3) | 4 | 152.69 | 158.69 | -70.34 | 140.69 | 2.721 | 1 | 0.0991 |
| smooth (df = 4) | 5 | 153.32 | 162.23 | -69.66 | 139.32 | 1.365 | 1 | 0.2427 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2000 | 2018 | 3.524 | 3.727 | 0.20270 | 0.28867 | 0.702 | 0.4927 |
| last 20 years | 2000 | 2018 | 3.524 | 3.727 | 0.20270 | 0.28867 | 0.702 | 0.4927 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 41.54 | 5.00 | -2.1173 | 0.1546 | -13.695 | 1.0000 |
| ERL | 41.54 | 85.00 | 0.7159 | 0.1546 | 4.630 | 0.0001 |
Raw data with supporting information
_sdmn_ant_au.jpg "Raw data with supporting information for assessment of anthracene in sediment at Hunterston (Clyde)")
Raw data with assessment
_sdmn_ant_da.jpg "Raw data with assessment of anthracene in sediment at Hunterston (Clyde)")
Assessment plot
_sdmn_ant_as.jpg "Assessment plot for anthracene in sediment at Hunterston (Clyde)")
PAH (parent) data
_sdmn_p(p)da.jpg "PAH (parent) data for assessment of anthracene in sediment at Hunterston (Clyde)")
PAH (parent) assessment
_sdmn_p(p)as.jpg "PAH (parent) assessment of anthracene in sediment at Hunterston (Clyde)")
Related pages
