CSEMP assessment of CB101 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 | 142.73 | 144.01 | -68.36 | 136.73 | | | |
| linear | 2 | 143.96 | 146.42 | -67.98 | 135.96 | 0.768 | 1 | 0.3810 |
| smooth (df = 2) | 3 | 144.66 | 148.83 | -67.33 | 134.66 | 1.293 | 1 | 0.2554 |
| smooth (df = 3) | 4 | 135.89 | 142.43 | -61.94 | 123.89 | 10.775 | 1 | 0.0010 |
| smooth (df = 4) | 5 | 137.69 | 147.49 | -61.84 | 123.69 | 0.203 | 1 | 0.6522 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2000 | 2017 | -0.5733 | 0.3427 | 0.9160 | 0.4958 | 1.848 | 0.0875 |
| last 20 years | 2000 | 2017 | -0.5733 | 0.3427 | 0.9160 | 0.4958 | 1.848 | 0.0875 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 1.4087 | 0.1400 | -2.3088 | 0.3106 | -7.433 | 1.0000 |
| EAC | 1.4087 | 3.0000 | 0.7559 | 0.3106 | 2.434 | 0.0151 |
Raw data with supporting information
_sdmn_cb101_au.jpg "Raw data with supporting information for assessment of CB101 in sediment at Hunterston (Clyde)")
Raw data with assessment
_sdmn_cb101_da.jpg "Raw data with assessment of CB101 in sediment at Hunterston (Clyde)")
Assessment plot
_sdmn_cb101_as.jpg "Assessment plot for CB101 in sediment at Hunterston (Clyde)")
Chlorobiphenyls data
_sdmn_chlrda.jpg "Chlorobiphenyls data for assessment of CB101 in sediment at Hunterston (Clyde)")
Chlorobiphenyls assessment
_sdmn_chlras.jpg "Chlorobiphenyls assessment of CB101 in sediment at Hunterston (Clyde)")
Related pages
