CSEMP assessment of naphthalene 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 | 100.16 | 101.45 | -47.08 | 94.16 | | | |
| linear | 2 | 91.28 | 93.75 | -41.64 | 83.28 | 10.879 | 1 | 0.0010 |
| smooth (df = 2) | 3 | 79.05 | 83.21 | -34.52 | 69.05 | 14.237 | 1 | 0.0002 |
| smooth (df = 3) | 4 | 79.74 | 86.28 | -33.87 | 67.74 | 1.311 | 1 | 0.2521 |
| smooth (df = 4) | 5 | 79.55 | 89.35 | -32.77 | 65.55 | 2.190 | 1 | 0.1389 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2000 | 2017 | 4.304 | 3.270 | -1.0335 | 0.1816 | -5.692 | <0.0001 |
| last 20 years | 2000 | 2017 | 4.304 | 3.270 | -1.0335 | 0.1816 | -5.692 | <0.0001 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 26.32 | 8.00 | -1.1909 | 0.1510 | -7.887 | 1.0000 |
| ERL | 26.32 | 160.00 | 1.8048 | 0.1510 | 11.952 | <0.0001 |
Raw data with supporting information
__sdmn_nap_au.jpg "Raw data with supporting information for assessment of naphthalene in sediment at outer (Firth of Clyde)")
Raw data with assessment
__sdmn_nap_da.jpg "Raw data with assessment of naphthalene in sediment at outer (Firth of Clyde)")
Assessment plot
__sdmn_nap_as.jpg "Assessment plot for naphthalene in sediment at outer (Firth of Clyde)")
PAH (parent) data
__sdmn_p(p)da.jpg "PAH (parent) data for assessment of naphthalene in sediment at outer (Firth of Clyde)")
PAH (parent) assessment
__sdmn_p(p)as.jpg "PAH (parent) assessment of naphthalene in sediment at outer (Firth of Clyde)")
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