CSEMP assessment of benzo[g,h,i]perylene in sediment at Holy Loch (Clyde)
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 50.67 | 52.17 | -22.34 | 44.67 | | | |
| linear | 2 | 47.08 | 49.99 | -19.54 | 39.08 | 5.594 | 1 | 0.0180 |
| smooth (df = 2) | 3 | 47.83 | 52.83 | -18.91 | 37.83 | 1.252 | 1 | 0.2633 |
| smooth (df = 3) | 4 | 48.72 | 56.72 | -18.36 | 36.72 | 1.108 | 1 | 0.2925 |
| smooth (df = 4) | 5 | 44.64 | 56.89 | -15.32 | 30.64 | 6.077 | 1 | 0.0137 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2000 | 2017 | 6.409 | 5.524 | -0.8851 | 0.3406 | -2.599 | 0.0221 |
| last 20 years | 2000 | 2017 | 6.409 | 5.524 | -0.8851 | 0.3406 | -2.599 | 0.0221 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 250.63 | 80.00 | -1.1420 | 0.2267 | -5.038 | 0.9999 |
Raw data with supporting information
![Raw data with supporting information for assessment of benzo[g,h,i]perylene in sediment at Holy Loch (Clyde)](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_clyd_frthcn_06_sdmn_bghip_au.jpg "Raw data with supporting information for assessment of benzo[g,h,i]perylene in sediment at Holy Loch (Clyde)")
Raw data with assessment
![Raw data with assessment of benzo[g,h,i]perylene in sediment at Holy Loch (Clyde)](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_clyd_frthcn_06_sdmn_bghip_da.jpg "Raw data with assessment of benzo[g,h,i]perylene in sediment at Holy Loch (Clyde)")
Assessment plot
![Assessment plot for benzo[g,h,i]perylene in sediment at Holy Loch (Clyde)](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_clyd_frthcn_06_sdmn_bghip_as.jpg "Assessment plot for benzo[g,h,i]perylene in sediment at Holy Loch (Clyde)")
PAH (parent) data
![PAH (parent) data for assessment of benzo[g,h,i]perylene in sediment at Holy Loch (Clyde)](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_clyd_frthcn_06_sdmn_p(p)da.jpg "PAH (parent) data for assessment of benzo[g,h,i]perylene in sediment at Holy Loch (Clyde)")
PAH (parent) assessment
![PAH (parent) assessment of benzo[g,h,i]perylene in sediment at Holy Loch (Clyde)](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_clyd_frthcn_06_sdmn_p(p)as.jpg "PAH (parent) assessment of benzo[g,h,i]perylene in sediment at Holy Loch (Clyde)")
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