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 | 63.30 | 64.58 | -28.65 | 57.30 | | | |
| linear | 2 | 57.93 | 60.39 | -24.96 | 49.93 | 7.368 | 1 | 0.0066 |
| smooth (df = 2) | 3 | 56.69 | 60.86 | -23.35 | 46.69 | 3.239 | 1 | 0.0719 |
| smooth (df = 3) | 4 | 58.31 | 64.85 | -23.15 | 46.31 | 0.384 | 1 | 0.5352 |
| smooth (df = 4) | 5 | 58.68 | 68.48 | -22.34 | 44.68 | 1.626 | 1 | 0.2022 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2000 | 2017 | 5.943 | 4.914 | -1.0286 | 0.3370 | -3.052 | 0.0081 |
| last 20 years | 2000 | 2017 | 5.943 | 4.914 | -1.0286 | 0.3370 | -3.052 | 0.0081 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 136.23 | 80.00 | -0.5323 | 0.2187 | -2.433 | 0.9860 |
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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