CSEMP assessment of BD183 in sediment at Hunterston (Clyde)
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 47.65 | 56.65 | -20.82 | 41.65 | | | |
| linear | 2 | 40.89 | 72.89 | -16.45 | 32.89 | 8.754 | 1 | 0.0031 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2008 | 2017 | -3.292 | -5.112 | -1.8202 | 0.5651 | -3.221 | 0.0485 |
| last 20 years | 2008 | 2017 | -3.292 | -5.112 | -1.8202 | 0.5651 | -3.221 | 0.0485 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 0 | 0 | 2.116 | 0.364 | 5.806 | 0.0051 |
| FEQG | 0 | 14000 | 14.658 | 0.364 | 40.221 | <0.0001 |
Raw data with supporting information
_sdmn_bd183_au.jpg "Raw data with supporting information for assessment of BD183 in sediment at Hunterston (Clyde)")
Raw data with assessment
_sdmn_bd183_da.jpg "Raw data with assessment of BD183 in sediment at Hunterston (Clyde)")
Assessment plot
_sdmn_bd183_as.jpg "Assessment plot for BD183 in sediment at Hunterston (Clyde)")
Organo-bromines data
_sdmn_orgn-bda.jpg "Organo-bromines data for assessment of BD183 in sediment at Hunterston (Clyde)")
Organo-bromines assessment
_sdmn_orgn-bas.jpg "Organo-bromines assessment of BD183 in sediment at Hunterston (Clyde)")
Related pages
