CSEMP assessment of benzo[g,h,i]perylene in sediment at Garroch Head (Clyde)
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 64.40 | 65.60 | -29.20 | 58.40 | | | |
| linear | 2 | 58.53 | 60.82 | -25.27 | 50.53 | 7.870 | 1 | 0.0050 |
| smooth (df = 2) | 3 | 57.04 | 60.89 | -23.52 | 47.04 | 3.489 | 1 | 0.0618 |
| smooth (df = 3) | 4 | 58.97 | 64.97 | -23.48 | 46.97 | 0.075 | 1 | 0.7838 |
| smooth (df = 4) | 5 | 59.17 | 68.08 | -22.59 | 45.17 | 1.794 | 1 | 0.1805 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2000 | 2018 | 5.922 | 4.908 | -1.014 | 0.323 | -3.139 | 0.0063 |
| last 20 years | 2000 | 2018 | 5.922 | 4.908 | -1.014 | 0.323 | -3.139 | 0.0063 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 135.36 | 80.00 | -0.5259 | 0.2105 | -2.499 | 0.9881 |
Raw data with supporting information
![Raw data with supporting information for assessment of benzo[g,h,i]perylene in sediment at Garroch Head (Clyde)](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_clyd_frthcm_06_sdmn_bghip_au.jpg "Raw data with supporting information for assessment of benzo[g,h,i]perylene in sediment at Garroch Head (Clyde)")
Raw data with assessment
![Raw data with assessment of benzo[g,h,i]perylene in sediment at Garroch Head (Clyde)](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_clyd_frthcm_06_sdmn_bghip_da.jpg "Raw data with assessment of benzo[g,h,i]perylene in sediment at Garroch Head (Clyde)")
Assessment plot
![Assessment plot for benzo[g,h,i]perylene in sediment at Garroch Head (Clyde)](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_clyd_frthcm_06_sdmn_bghip_as.jpg "Assessment plot for benzo[g,h,i]perylene in sediment at Garroch Head (Clyde)")
PAH (parent) data
![PAH (parent) data for assessment of benzo[g,h,i]perylene in sediment at Garroch Head (Clyde)](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_clyd_frthcm_06_sdmn_p(p)da.jpg "PAH (parent) data for assessment of benzo[g,h,i]perylene in sediment at Garroch Head (Clyde)")
PAH (parent) assessment
![PAH (parent) assessment of benzo[g,h,i]perylene in sediment at Garroch Head (Clyde)](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_clyd_frthcm_06_sdmn_p(p)as.jpg "PAH (parent) assessment of benzo[g,h,i]perylene in sediment at Garroch Head (Clyde)")
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