CSEMP assessment of benzo[g,h,i]perylene in sediment at inner (Firth of Forth)
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 98.95 | 100.95 | -46.48 | 92.95 | | | |
| linear | 2 | 94.16 | 98.16 | -43.08 | 86.16 | 6.790 | 1 | 0.0092 |
| smooth (df = 2) | 3 | 94.59 | 101.73 | -42.29 | 84.59 | 1.577 | 1 | 0.2091 |
| smooth (df = 3) | 4 | 96.49 | 108.49 | -42.24 | 84.49 | 0.100 | 1 | 0.7516 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 1999 | 2018 | 5.622 | 4.298 | -1.3238 | 0.4399 | -3.009 | 0.0131 |
| last 20 years | 1999 | 2018 | 5.622 | 4.298 | -1.3238 | 0.4399 | -3.009 | 0.0131 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 73.54 | 80.00 | 0.08418 | 0.28947 | 0.291 | 0.3886 |
Raw data with supporting information
![Raw data with supporting information for assessment of benzo[g,h,i]perylene in sediment at inner (Firth of Forth)](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_frth_f_frth_(n)__sdmn_bghip_au.jpg "Raw data with supporting information for assessment of benzo[g,h,i]perylene in sediment at inner (Firth of Forth)")
Raw data with assessment
![Raw data with assessment of benzo[g,h,i]perylene in sediment at inner (Firth of Forth)](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_frth_f_frth_(n)__sdmn_bghip_da.jpg "Raw data with assessment of benzo[g,h,i]perylene in sediment at inner (Firth of Forth)")
Assessment plot
![Assessment plot for benzo[g,h,i]perylene in sediment at inner (Firth of Forth)](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_frth_f_frth_(n)__sdmn_bghip_as.jpg "Assessment plot for benzo[g,h,i]perylene in sediment at inner (Firth of Forth)")
PAH (parent) data
![PAH (parent) data for assessment of benzo[g,h,i]perylene in sediment at inner (Firth of Forth)](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_frth_f_frth_(n)__sdmn_p(p)da.jpg "PAH (parent) data for assessment of benzo[g,h,i]perylene in sediment at inner (Firth of Forth)")
PAH (parent) assessment
![PAH (parent) assessment of benzo[g,h,i]perylene in sediment at inner (Firth of Forth)](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_frth_f_frth_(n)__sdmn_p(p)as.jpg "PAH (parent) assessment of benzo[g,h,i]perylene in sediment at inner (Firth of Forth)")
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