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 | 124.77 | 126.05 | -59.38 | 118.77 | | | |
| linear | 2 | 126.37 | 128.83 | -59.18 | 118.37 | 0.397 | 1 | 0.5284 |
| smooth (df = 2) | 3 | 127.84 | 132.01 | -58.92 | 117.84 | 0.529 | 1 | 0.4670 |
| smooth (df = 3) | 4 | 127.59 | 134.13 | -57.79 | 115.59 | 2.255 | 1 | 0.1331 |
| smooth (df = 4) | 5 | 127.41 | 137.21 | -56.71 | 113.41 | 2.173 | 1 | 0.1405 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2000 | 2017 | 3.190 | 3.364 | 0.17408 | 0.26521 | 0.656 | 0.5215 |
| last 20 years | 2000 | 2017 | 3.190 | 3.364 | 0.17408 | 0.26521 | 0.656 | 0.5215 |
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
