CSEMP assessment of benzo[g,h,i]perylene 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 | 131.55 | 132.75 | -62.78 | 125.55 | | | |
| linear | 2 | 132.96 | 135.25 | -62.48 | 124.96 | 0.589 | 1 | 0.4428 |
| smooth (df = 2) | 3 | 132.74 | 136.59 | -61.37 | 122.74 | 2.223 | 1 | 0.1359 |
| smooth (df = 3) | 4 | 133.39 | 139.39 | -60.70 | 121.39 | 1.347 | 1 | 0.2458 |
| smooth (df = 4) | 5 | 132.91 | 141.82 | -59.45 | 118.91 | 2.487 | 1 | 0.1148 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2000 | 2018 | 5.123 | 4.934 | -0.1894 | 0.2463 | -0.769 | 0.4531 |
| last 20 years | 2000 | 2018 | 5.123 | 4.934 | -0.1894 | 0.2463 | -0.769 | 0.4531 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 138.9 | 80.0 | -0.5517 | 0.1315 | -4.195 | 0.9997 |
Raw data with supporting information
![Raw data with supporting information for assessment of benzo[g,h,i]perylene in sediment at Hunterston (Clyde)](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_c_()_sdmn_bghip_au.jpg "Raw data with supporting information for assessment of benzo[g,h,i]perylene in sediment at Hunterston (Clyde)")
Raw data with assessment
![Raw data with assessment of benzo[g,h,i]perylene in sediment at Hunterston (Clyde)](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_c_()_sdmn_bghip_da.jpg "Raw data with assessment of benzo[g,h,i]perylene in sediment at Hunterston (Clyde)")
Assessment plot
![Assessment plot for benzo[g,h,i]perylene in sediment at Hunterston (Clyde)](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_c_()_sdmn_bghip_as.jpg "Assessment plot for benzo[g,h,i]perylene in sediment at Hunterston (Clyde)")
PAH (parent) data
![PAH (parent) data for assessment of benzo[g,h,i]perylene in sediment at Hunterston (Clyde)](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_c_()_sdmn_p(p)da.jpg "PAH (parent) data for assessment of benzo[g,h,i]perylene in sediment at Hunterston (Clyde)")
PAH (parent) assessment
![PAH (parent) assessment of benzo[g,h,i]perylene in sediment at Hunterston (Clyde)](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_c_()_sdmn_p(p)as.jpg "PAH (parent) assessment of benzo[g,h,i]perylene in sediment at Hunterston (Clyde)")
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