CSEMP assessment of c3 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 | 160.18 | 163.18 | -77.09 | 154.18 | | | |
| linear | 2 | 161.88 | 168.28 | -76.94 | 153.88 | 0.299 | 1 | 0.5848 |
| smooth (df = 2) | 3 | 159.58 | 172.08 | -74.79 | 149.58 | 4.304 | 1 | 0.0380 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2009 | 2017 | 5.341 | 5.724 | 0.3828 | 0.6960 | 0.550 | 0.5994 |
| last 20 years | 2009 | 2017 | 5.341 | 5.724 | 0.3828 | 0.6960 | 0.550 | 0.5994 |
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 Clyde)")
Raw data with assessment
__sdmn_napc3_da.jpg "Raw data with assessment of c3 naphthalenes in sediment at inner (Firth of Clyde)")
Assessment plot
__sdmn_napc3_as.jpg "Assessment plot for c3 naphthalenes in sediment at inner (Firth of Clyde)")
PAH (alkylated) data
__sdmn_p(l)da.jpg "PAH (alkylated) data for assessment of c3 naphthalenes in sediment at inner (Firth of Clyde)")
PAH (alkylated) assessment
__sdmn_p(l)as.jpg "PAH (alkylated) assessment of c3 naphthalenes in sediment at inner (Firth of Clyde)")
Related pages
