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 | 91.98 | 94.23 | -42.99 | 85.98 | | | |
| linear | 2 | 90.49 | 95.06 | -41.24 | 82.49 | 3.496 | 1 | 0.0615 |
| smooth (df = 2) | 3 | 91.24 | 99.58 | -40.62 | 81.24 | 1.245 | 1 | 0.2645 |
| smooth (df = 3) | 4 | 93.22 | 107.62 | -40.61 | 81.22 | 0.023 | 1 | 0.8803 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 1999 | 2016 | 5.574 | 4.551 | -1.0230 | 0.5066 | -2.019 | 0.0742 |
| last 20 years | 1999 | 2016 | 5.574 | 4.551 | -1.0230 | 0.5066 | -2.019 | 0.0742 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 94.76 | 80.00 | -0.1694 | 0.3349 | -0.506 | 0.6874 |
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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