CSEMP assessment of fluoranthene in sediment at inner (Firth of Forth)
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 111.04 | 112.43 | -52.52 | 105.04 | | | |
| linear | 2 | 106.53 | 109.20 | -49.27 | 98.53 | 6.508 | 1 | 0.0107 |
| smooth (df = 2) | 3 | 105.94 | 110.48 | -47.97 | 95.94 | 2.598 | 1 | 0.1070 |
| smooth (df = 3) | 4 | 107.04 | 114.24 | -47.52 | 95.04 | 0.901 | 1 | 0.3426 |
| smooth (df = 4) | 5 | 108.52 | 119.41 | -47.26 | 94.52 | 0.514 | 1 | 0.4732 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 1999 | 2018 | 5.751 | 4.802 | -0.9487 | 0.3364 | -2.820 | 0.0136 |
| last 20 years | 1999 | 2018 | 5.751 | 4.802 | -0.9487 | 0.3364 | -2.820 | 0.0136 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 121.8 | 39.0 | -1.1389 | 0.1832 | -6.215 | 1.0000 |
| ERL | 121.8 | 600.0 | 1.5945 | 0.1832 | 8.701 | <0.0001 |
Raw data with supporting information
__sdmn_flu_au.jpg "Raw data with supporting information for assessment of fluoranthene in sediment at inner (Firth of Forth)")
Raw data with assessment
__sdmn_flu_da.jpg "Raw data with assessment of fluoranthene in sediment at inner (Firth of Forth)")
Assessment plot
__sdmn_flu_as.jpg "Assessment plot for fluoranthene in sediment at inner (Firth of Forth)")
PAH (parent) data
__sdmn_p(p)da.jpg "PAH (parent) data for assessment of fluoranthene in sediment at inner (Firth of Forth)")
PAH (parent) assessment
__sdmn_p(p)as.jpg "PAH (parent) assessment of fluoranthene in sediment at inner (Firth of Forth)")
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