CSEMP assessment of c3 dibenzothiophenes 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 | 120.92 | 122.21 | -57.46 | 114.92 | | | |
| linear | 2 | 122.73 | 125.19 | -57.37 | 114.73 | 0.191 | 1 | 0.6620 |
| smooth (df = 2) | 3 | 124.18 | 128.35 | -57.09 | 114.18 | 0.548 | 1 | 0.4593 |
| smooth (df = 3) | 4 | 125.20 | 131.75 | -56.60 | 113.20 | 0.981 | 1 | 0.3219 |
| smooth (df = 4) | 5 | 126.38 | 136.18 | -56.19 | 112.38 | 0.818 | 1 | 0.3657 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2000 | 2017 | 3.0811 | 2.9701 | -0.11105 | 0.25372 | -0.438 | 0.6678 |
| last 20 years | 2000 | 2017 | 3.0811 | 2.9701 | -0.11105 | 0.25372 | -0.438 | 0.6678 |
Status assessment
No assessment criteria
Raw data with supporting information
_sdmn_dbtc3_au.jpg "Raw data with supporting information for assessment of c3 dibenzothiophenes in sediment at Hunterston (Clyde)")
Raw data with assessment
_sdmn_dbtc3_da.jpg "Raw data with assessment of c3 dibenzothiophenes in sediment at Hunterston (Clyde)")
Assessment plot
_sdmn_dbtc3_as.jpg "Assessment plot for c3 dibenzothiophenes in sediment at Hunterston (Clyde)")
PAH (alkylated) data
_sdmn_p(l)da.jpg "PAH (alkylated) data for assessment of c3 dibenzothiophenes in sediment at Hunterston (Clyde)")
PAH (alkylated) assessment
_sdmn_p(l)as.jpg "PAH (alkylated) assessment of c3 dibenzothiophenes in sediment at Hunterston (Clyde)")
Related pages
