CSEMP assessment of fluoranthene in sediment at outer (Firth of Clyde)
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 133.02 | 134.31 | -63.51 | 127.02 | | | |
| linear | 2 | 127.43 | 129.90 | -59.72 | 119.43 | 7.588 | 1 | 0.0059 |
| smooth (df = 2) | 3 | 115.44 | 119.61 | -52.72 | 105.44 | 13.991 | 1 | 0.0002 |
| smooth (df = 3) | 4 | 117.40 | 123.94 | -52.70 | 105.40 | 0.046 | 1 | 0.8295 |
| smooth (df = 4) | 5 | 118.88 | 128.68 | -52.44 | 104.88 | 0.515 | 1 | 0.4728 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2000 | 2017 | 5.033 | 4.329 | -0.7039 | 0.1668 | -4.220 | 0.0009 |
| last 20 years | 2000 | 2017 | 5.033 | 4.329 | -0.7039 | 0.1668 | -4.220 | 0.0009 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 75.9 | 39.0 | -0.6655 | 0.1410 | -4.721 | 0.9998 |
| ERL | 75.9 | 600.0 | 2.0679 | 0.1410 | 14.670 | <0.0001 |
Raw data with supporting information
__sdmn_flu_au.jpg "Raw data with supporting information for assessment of fluoranthene in sediment at outer (Firth of Clyde)")
Raw data with assessment
__sdmn_flu_da.jpg "Raw data with assessment of fluoranthene in sediment at outer (Firth of Clyde)")
Assessment plot
__sdmn_flu_as.jpg "Assessment plot for fluoranthene in sediment at outer (Firth of Clyde)")
PAH (parent) data
__sdmn_p(p)da.jpg "PAH (parent) data for assessment of fluoranthene in sediment at outer (Firth of Clyde)")
PAH (parent) assessment
__sdmn_p(p)as.jpg "PAH (parent) assessment of fluoranthene in sediment at outer (Firth of Clyde)")
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