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 | 114.54 | 117.11 | -54.27 | 108.54 | | | |
| linear | 2 | 115.79 | 121.12 | -53.90 | 107.79 | 0.749 | 1 | 0.3867 |
| smooth (df = 2) | 3 | 116.92 | 126.92 | -53.46 | 106.92 | 0.871 | 1 | 0.3506 |
| smooth (df = 3) | 4 | 118.79 | 136.79 | -53.40 | 106.79 | 0.129 | 1 | 0.7199 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2009 | 2018 | 5.165 | 5.718 | 0.5526 | 0.6260 | 0.883 | 0.4032 |
| last 20 years | 2009 | 2018 | 5.165 | 5.718 | 0.5526 | 0.6260 | 0.883 | 0.4032 |
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
