CSEMP assessment of c1 dibenzothiophene 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 | 131.02 | 132.22 | -62.51 | 125.02 | | | |
| linear | 2 | 132.72 | 135.00 | -62.36 | 124.72 | 0.301 | 1 | 0.5835 |
| smooth (df = 2) | 3 | 134.48 | 138.32 | -62.24 | 124.48 | 0.237 | 1 | 0.6265 |
| smooth (df = 3) | 4 | 135.56 | 141.56 | -61.78 | 123.56 | 0.914 | 1 | 0.3391 |
| smooth (df = 4) | 5 | 134.05 | 142.96 | -60.03 | 120.05 | 3.511 | 1 | 0.0609 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2000 | 2018 | 3.206 | 3.343 | 0.13773 | 0.25032 | 0.550 | 0.5898 |
| last 20 years | 2000 | 2018 | 3.206 | 3.343 | 0.13773 | 0.25032 | 0.550 | 0.5898 |
Status assessment
No assessment criteria
Raw data with supporting information
_sdmn_dbtc1_au.jpg "Raw data with supporting information for assessment of c1 dibenzothiophene in sediment at Hunterston (Clyde)")
Raw data with assessment
_sdmn_dbtc1_da.jpg "Raw data with assessment of c1 dibenzothiophene in sediment at Hunterston (Clyde)")
Assessment plot
_sdmn_dbtc1_as.jpg "Assessment plot for c1 dibenzothiophene in sediment at Hunterston (Clyde)")
PAH (alkylated) data
_sdmn_p(l)da.jpg "PAH (alkylated) data for assessment of c1 dibenzothiophene in sediment at Hunterston (Clyde)")
PAH (alkylated) assessment
_sdmn_p(l)as.jpg "PAH (alkylated) assessment of c1 dibenzothiophene in sediment at Hunterston (Clyde)")
Related pages
