CSEMP assessment of c2 dibenzothiophene in sediment at Fladen Ground
Statistical analysis
Trend assessment
Analysis of variance
| Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) | |
|---|---|---|---|---|---|---|---|---|
| mean | 1 | 55.69 | 58.26 | -24.84 | 49.69 | |||
| linear | 2 | 55.12 | 60.46 | -23.56 | 47.12 | 2.563 | 1 | 0.1094 |
| smooth (df = 2) | 3 | 57.09 | 67.09 | -23.55 | 47.09 | 0.034 | 1 | 0.8537 |
| smooth (df = 3) | 4 | 59.02 | 77.02 | -23.51 | 47.02 | 0.072 | 1 | 0.7882 |
Change in log concentration
| Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) | |
|---|---|---|---|---|---|---|---|---|
| overall | 2005 | 2018 | 0.1807 | 1.0829 | 0.9021 | 0.5265 | 1.713 | 0.1250 |
| last 20 years | 2005 | 2018 | 0.1807 | 1.0829 | 0.9021 | 0.5265 | 1.713 | 0.1250 |
Status assessment
No assessment criteria
Related pages
- Clean Seas Environment Monitoring Programme (CSEMP) accessment viewer tool
- Assessment methodology for in sediment
- Accessment criteria for in sediment
Media : Sediment (unsieved)
Station : Fladen_FlaOpenSea_se02 (Fladen Ground)
Determinand : C2 Dibenzothiophene
Units : μg kg-1 dry weight normalised to 2.5% organic carbon
Data extraction : 30 April 2020
Station : Fladen_FlaOpenSea_se02 (Fladen Ground)
Determinand : C2 Dibenzothiophene
Units : μg kg-1 dry weight normalised to 2.5% organic carbon
Data extraction : 30 April 2020