CSEMP assessment of naphthalene 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 | 91.24 | 93.82 | -42.62 | 85.24 | | | |
| linear | 2 | 88.15 | 93.49 | -40.08 | 80.15 | 5.090 | 1 | 0.0241 |
| smooth (df = 2) | 3 | 89.91 | 99.91 | -39.95 | 79.91 | 0.248 | 1 | 0.6183 |
| smooth (df = 3) | 4 | 78.57 | 96.57 | -33.29 | 66.57 | 13.335 | 1 | 0.0003 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2005 | 2016 | 4.787 | 3.809 | -0.9778 | 0.3935 | -2.485 | 0.0378 |
| last 20 years | 2005 | 2016 | 4.787 | 3.809 | -0.9778 | 0.3935 | -2.485 | 0.0378 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 45.12 | 8.00 | -1.7299 | 0.2064 | -8.383 | 1.0000 |
| ERL | 45.12 | 160.00 | 1.2658 | 0.2064 | 6.134 | 0.0001 |
Raw data with supporting information
__sdmn_nap_au.jpg "Raw data with supporting information for assessment of naphthalene in sediment at inner (Firth of Forth)")
Raw data with assessment
__sdmn_nap_da.jpg "Raw data with assessment of naphthalene in sediment at inner (Firth of Forth)")
Assessment plot
__sdmn_nap_as.jpg "Assessment plot for naphthalene in sediment at inner (Firth of Forth)")
PAH (parent) data
__sdmn_p(p)da.jpg "PAH (parent) data for assessment of naphthalene in sediment at inner (Firth of Forth)")
PAH (parent) assessment
__sdmn_p(p)as.jpg "PAH (parent) assessment of naphthalene in sediment at inner (Firth of Forth)")
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