CSEMP assessment of CB180 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 | 124.63 | 126.26 | -59.31 | 118.63 | | | |
| linear | 2 | 126.63 | 129.83 | -59.31 | 118.63 | 0.000 | 1 | 0.9841 |
| smooth (df = 2) | 3 | 128.50 | 134.06 | -59.25 | 118.50 | 0.127 | 1 | 0.7211 |
| smooth (df = 3) | 4 | 118.95 | 127.95 | -53.47 | 106.95 | 11.551 | 1 | 0.0007 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 1999 | 2018 | -0.6631 | -0.6719 | -0.0088 | 0.4281 | -0.021 | 0.9839 |
| last 20 years | 1999 | 2018 | -0.6631 | -0.6719 | -0.0088 | 0.4281 | -0.021 | 0.9839 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 0.511 | 0.100 | -1.6307 | 0.2295 | -7.104 | 1.0000 |
| EAC | 0.511 | 12.000 | 3.1568 | 0.2295 | 13.753 | <0.0001 |
Raw data with supporting information
__sdmn_cb180_au.jpg "Raw data with supporting information for assessment of CB180 in sediment at inner (Firth of Forth)")
Raw data with assessment
__sdmn_cb180_da.jpg "Raw data with assessment of CB180 in sediment at inner (Firth of Forth)")
Assessment plot
__sdmn_cb180_as.jpg "Assessment plot for CB180 in sediment at inner (Firth of Forth)")
Chlorobiphenyls data
__sdmn_chlrda.jpg "Chlorobiphenyls data for assessment of CB180 in sediment at inner (Firth of Forth)")
Chlorobiphenyls assessment
__sdmn_chlras.jpg "Chlorobiphenyls assessment of CB180 in sediment at inner (Firth of Forth)")
Related pages
