CSEMP assessment of c2 naphthalenes in sediment at inner (Firth of Clyde)
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 108.96 | 111.96 | -51.48 | 102.96 | | | |
| linear | 2 | 109.15 | 115.55 | -50.58 | 101.15 | 1.806 | 1 | 0.1790 |
| smooth (df = 2) | 3 | 105.38 | 117.88 | -47.69 | 95.38 | 5.770 | 1 | 0.0163 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2009 | 2017 | 5.029 | 5.929 | 0.8998 | 0.6368 | 1.413 | 0.2005 |
| last 20 years | 2009 | 2017 | 5.029 | 5.929 | 0.8998 | 0.6368 | 1.413 | 0.2005 |
Status assessment
No assessment criteria
Raw data with supporting information
__sdmn_napc2_au.jpg "Raw data with supporting information for assessment of c2 naphthalenes in sediment at inner (Firth of Clyde)")
Raw data with assessment
__sdmn_napc2_da.jpg "Raw data with assessment of c2 naphthalenes in sediment at inner (Firth of Clyde)")
Assessment plot
__sdmn_napc2_as.jpg "Assessment plot for c2 naphthalenes in sediment at inner (Firth of Clyde)")
PAH (alkylated) data
__sdmn_p(l)da.jpg "PAH (alkylated) data for assessment of c2 naphthalenes in sediment at inner (Firth of Clyde)")
PAH (alkylated) assessment
__sdmn_p(l)as.jpg "PAH (alkylated) assessment of c2 naphthalenes in sediment at inner (Firth of Clyde)")
Related pages
