CSEMP assessment of c2 dibenzothiophene 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 | 169.22 | 171.79 | -81.61 | 163.22 | | | |
| linear | 2 | 169.27 | 174.60 | -80.63 | 161.27 | 1.950 | 1 | 0.1626 |
| smooth (df = 2) | 3 | 170.39 | 180.39 | -80.20 | 160.39 | 0.877 | 1 | 0.3490 |
| smooth (df = 3) | 4 | 171.87 | 189.87 | -79.94 | 159.87 | 0.520 | 1 | 0.4708 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2009 | 2018 | 3.065 | 4.508 | 1.4432 | 0.9851 | 1.465 | 0.1811 |
| last 20 years | 2009 | 2018 | 3.065 | 4.508 | 1.4432 | 0.9851 | 1.465 | 0.1811 |
Status assessment
No assessment criteria
Raw data with supporting information
__sdmn_dbtc2_au.jpg "Raw data with supporting information for assessment of c2 dibenzothiophene in sediment at inner (Firth of Clyde)")
Raw data with assessment
__sdmn_dbtc2_da.jpg "Raw data with assessment of c2 dibenzothiophene in sediment at inner (Firth of Clyde)")
Assessment plot
__sdmn_dbtc2_as.jpg "Assessment plot for c2 dibenzothiophene in sediment at inner (Firth of Clyde)")
PAH (alkylated) data
__sdmn_p(l)da.jpg "PAH (alkylated) data for assessment of c2 dibenzothiophene in sediment at inner (Firth of Clyde)")
PAH (alkylated) assessment
__sdmn_p(l)as.jpg "PAH (alkylated) assessment of c2 dibenzothiophene in sediment at inner (Firth of Clyde)")
Related pages
