CSEMP assessment of c3 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 | 156.56 | 159.13 | -75.28 | 150.56 | | | |
| linear | 2 | 157.55 | 162.88 | -74.77 | 149.55 | 1.017 | 1 | 0.3132 |
| smooth (df = 2) | 3 | 159.52 | 169.52 | -74.76 | 149.52 | 0.022 | 1 | 0.8833 |
| smooth (df = 3) | 4 | 161.26 | 179.26 | -74.63 | 149.26 | 0.260 | 1 | 0.6100 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2009 | 2018 | 4.485 | 5.531 | 1.0459 | 1.0140 | 1.032 | 0.3325 |
| last 20 years | 2009 | 2018 | 4.485 | 5.531 | 1.0459 | 1.0140 | 1.032 | 0.3325 |
Status assessment
No assessment criteria
Raw data with supporting information
__sdmn_pac3_au.jpg "Raw data with supporting information for assessment of c3 phenanthrenes in sediment at inner (Firth of Clyde)")
Raw data with assessment
__sdmn_pac3_da.jpg "Raw data with assessment of c3 phenanthrenes in sediment at inner (Firth of Clyde)")
Assessment plot
__sdmn_pac3_as.jpg "Assessment plot for c3 phenanthrenes in sediment at inner (Firth of Clyde)")
PAH (alkylated) data
__sdmn_p(l)da.jpg "PAH (alkylated) data for assessment of c3 phenanthrenes in sediment at inner (Firth of Clyde)")
PAH (alkylated) assessment
__sdmn_p(l)as.jpg "PAH (alkylated) assessment of c3 phenanthrenes in sediment at inner (Firth of Clyde)")
Related pages
