CSEMP assessment of 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 | 138.19 | 139.39 | -66.10 | 132.19 | | | |
| linear | 2 | 140.14 | 142.42 | -66.07 | 132.14 | 0.057 | 1 | 0.8110 |
| smooth (df = 2) | 3 | 141.35 | 145.20 | -65.68 | 131.35 | 0.786 | 1 | 0.3753 |
| smooth (df = 3) | 4 | 141.30 | 147.30 | -64.65 | 129.30 | 2.049 | 1 | 0.1523 |
| smooth (df = 4) | 5 | 141.22 | 150.13 | -63.61 | 127.22 | 2.079 | 1 | 0.1494 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2000 | 2018 | 2.2454 | 2.1834 | -0.06201 | 0.25936 | -0.239 | 0.8141 |
| last 20 years | 2000 | 2018 | 2.2454 | 2.1834 | -0.06201 | 0.25936 | -0.239 | 0.8141 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| ERL | 8.88 | 190.00 | 3.0637 | 0.1380 | 22.208 | <0.0001 |
Raw data with supporting information
_sdmn_dbt_au.jpg "Raw data with supporting information for assessment of dibenzothiophene in sediment at Hunterston (Clyde)")
Raw data with assessment
_sdmn_dbt_da.jpg "Raw data with assessment of dibenzothiophene in sediment at Hunterston (Clyde)")
Assessment plot
_sdmn_dbt_as.jpg "Assessment plot for dibenzothiophene in sediment at Hunterston (Clyde)")
PAH (parent) data
_sdmn_p(p)da.jpg "PAH (parent) data for assessment of dibenzothiophene in sediment at Hunterston (Clyde)")
PAH (parent) assessment
_sdmn_p(p)as.jpg "PAH (parent) assessment of dibenzothiophene in sediment at Hunterston (Clyde)")
Related pages
