CSEMP assessment of BDE99 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 | 120.86 | 123.86 | -57.43 | 114.86 | | | |
| linear | 2 | 114.60 | 121.00 | -53.30 | 106.60 | 8.260 | 1 | 0.0041 |
| smooth (df = 2) | 3 | 115.41 | 127.91 | -52.71 | 105.41 | 1.190 | 1 | 0.2754 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2009 | 2017 | 0.7121 | -1.1212 | -1.8333 | 0.5345 | -3.430 | 0.0110 |
| last 20 years | 2009 | 2017 | 0.7121 | -1.1212 | -1.8333 | 0.5345 | -3.430 | 0.0110 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 0.3259 | 0.0500 | -1.8745 | 0.2978 | -6.294 | 0.9998 |
| FEQG | 0.3259 | 1.0000 | 1.1212 | 0.2978 | 3.765 | 0.0035 |
Raw data with supporting information
_sdmn_bde99_au.jpg "Raw data with supporting information for assessment of BDE99 in sediment at Hunterston (Clyde)")
Raw data with assessment
_sdmn_bde99_da.jpg "Raw data with assessment of BDE99 in sediment at Hunterston (Clyde)")
Assessment plot
_sdmn_bde99_as.jpg "Assessment plot for BDE99 in sediment at Hunterston (Clyde)")
Organo-bromines data
_sdmn_orgn-bda.jpg "Organo-bromines data for assessment of BDE99 in sediment at Hunterston (Clyde)")
Organo-bromines assessment
_sdmn_orgn-bas.jpg "Organo-bromines assessment of BDE99 in sediment at Hunterston (Clyde)")
Related pages
