CSEMP assessment of fluoranthene 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 | 147.92 | 149.21 | -70.96 | 141.92 | | | |
| linear | 2 | 149.64 | 152.10 | -70.82 | 141.64 | 0.285 | 1 | 0.5934 |
| smooth (df = 2) | 3 | 150.21 | 154.37 | -70.10 | 140.21 | 1.430 | 1 | 0.2317 |
| smooth (df = 3) | 4 | 147.48 | 154.03 | -67.74 | 135.48 | 4.728 | 1 | 0.0297 |
| smooth (df = 4) | 5 | 149.10 | 158.90 | -67.55 | 135.10 | 0.375 | 1 | 0.5400 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2000 | 2017 | 5.384 | 5.554 | 0.1698 | 0.3166 | 0.536 | 0.5997 |
| last 20 years | 2000 | 2017 | 5.384 | 5.554 | 0.1698 | 0.3166 | 0.536 | 0.5997 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 258.2 | 39.0 | -1.8903 | 0.1699 | -11.125 | 1.0000 |
| ERL | 258.2 | 600.0 | 0.8431 | 0.1699 | 4.962 | <0.0001 |
Raw data with supporting information
_sdmn_flu_au.jpg "Raw data with supporting information for assessment of fluoranthene in sediment at Hunterston (Clyde)")
Raw data with assessment
_sdmn_flu_da.jpg "Raw data with assessment of fluoranthene in sediment at Hunterston (Clyde)")
Assessment plot
_sdmn_flu_as.jpg "Assessment plot for fluoranthene in sediment at Hunterston (Clyde)")
PAH (parent) data
_sdmn_p(p)da.jpg "PAH (parent) data for assessment of fluoranthene in sediment at Hunterston (Clyde)")
PAH (parent) assessment
_sdmn_p(p)as.jpg "PAH (parent) assessment of fluoranthene in sediment at Hunterston (Clyde)")
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