CSEMP assessment of copper 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 | 56.45 | 57.65 | -25.22 | 50.45 | | | |
| linear | 2 | 56.62 | 58.90 | -24.31 | 48.62 | 1.831 | 1 | 0.1761 |
| smooth (df = 2) | 3 | 58.51 | 62.36 | -24.26 | 48.51 | 0.106 | 1 | 0.7453 |
| smooth (df = 3) | 4 | 60.51 | 66.51 | -24.26 | 48.51 | 0.001 | 1 | 0.9754 |
| smooth (df = 4) | 5 | 60.17 | 69.08 | -23.09 | 46.17 | 2.338 | 1 | 0.1263 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 1999 | 2016 | 3.430 | 2.776 | -0.6538 | 0.4710 | -1.388 | 0.1841 |
| last 20 years | 1999 | 2016 | 3.430 | 2.776 | -0.6538 | 0.4710 | -1.388 | 0.1841 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 16.06 | 27.00 | 0.5198 | 0.2759 | 1.884 | 0.0389 |
| ERL | 16.06 | 34.00 | 0.7503 | 0.2759 | 2.720 | 0.0076 |
Raw data with supporting information
__sdmn_cu_au.jpg "Raw data with supporting information for assessment of copper in sediment at inner (Firth of Forth)")
Raw data with assessment
__sdmn_cu_da.jpg "Raw data with assessment of copper in sediment at inner (Firth of Forth)")
Assessment plot
__sdmn_cu_as.jpg "Assessment plot for copper in sediment at inner (Firth of Forth)")
Metals data
__sdmn_mtlsda.jpg "Metals data for assessment of copper in sediment at inner (Firth of Forth)")
Metals assessment
__sdmn_mtlsas.jpg "Metals assessment of copper in sediment at inner (Firth of Forth)")
Related pages
- Clean Seas Environment Monitoring Programme (CSEMP) accessment viewer tool
- Assessment methodology for metals in sediment
- Accessment criteria for metals in sediment
