CSEMP assessment of c3 naphthalenes 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 | 75.29 | 78.29 | -34.64 | 69.29 | | | |
| linear | 2 | 74.30 | 80.70 | -33.15 | 66.30 | 2.986 | 1 | 0.0840 |
| smooth (df = 2) | 3 | 65.77 | 78.27 | -27.89 | 55.77 | 10.530 | 1 | 0.0012 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2009 | 2018 | 5.648 | 4.753 | -0.8955 | 0.2339 | -3.828 | 0.0087 |
| last 20 years | 2009 | 2018 | 5.648 | 4.753 | -0.8955 | 0.2339 | -3.828 | 0.0087 |
Status assessment
No assessment criteria
Raw data with supporting information
__sdmn_napc3_au.jpg "Raw data with supporting information for assessment of c3 naphthalenes in sediment at inner (Firth of Forth)")
Raw data with assessment
__sdmn_napc3_da.jpg "Raw data with assessment of c3 naphthalenes in sediment at inner (Firth of Forth)")
Assessment plot
__sdmn_napc3_as.jpg "Assessment plot for c3 naphthalenes in sediment at inner (Firth of Forth)")
PAH (alkylated) data
__sdmn_p(l)da.jpg "PAH (alkylated) data for assessment of c3 naphthalenes in sediment at inner (Firth of Forth)")
PAH (alkylated) assessment
__sdmn_p(l)as.jpg "PAH (alkylated) assessment of c3 naphthalenes in sediment at inner (Firth of Forth)")
Related pages
