CSEMP assessment of c1 phenanthrenes 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 | 159.83 | 162.40 | -76.91 | 153.83 | | | |
| linear | 2 | 158.40 | 163.74 | -75.20 | 150.40 | 3.423 | 1 | 0.0643 |
| smooth (df = 2) | 3 | 159.79 | 169.79 | -74.89 | 149.79 | 0.616 | 1 | 0.4325 |
| smooth (df = 3) | 4 | 160.61 | 178.61 | -74.30 | 148.61 | 1.178 | 1 | 0.2778 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2009 | 2018 | 5.096 | 6.270 | 1.1742 | 0.5789 | 2.029 | 0.0770 |
| last 20 years | 2009 | 2018 | 5.096 | 6.270 | 1.1742 | 0.5789 | 2.029 | 0.0770 |
Status assessment
No assessment criteria
Raw data with supporting information
__sdmn_pac1_au.jpg "Raw data with supporting information for assessment of c1 phenanthrenes in sediment at inner (Firth of Clyde)")
Raw data with assessment
__sdmn_pac1_da.jpg "Raw data with assessment of c1 phenanthrenes in sediment at inner (Firth of Clyde)")
Assessment plot
__sdmn_pac1_as.jpg "Assessment plot for c1 phenanthrenes in sediment at inner (Firth of Clyde)")
PAH (alkylated) data
__sdmn_p(l)da.jpg "PAH (alkylated) data for assessment of c1 phenanthrenes in sediment at inner (Firth of Clyde)")
PAH (alkylated) assessment
__sdmn_p(l)as.jpg "PAH (alkylated) assessment of c1 phenanthrenes in sediment at inner (Firth of Clyde)")
Related pages
