CSEMP assessment of benzo[g,h,i]perylene in sediment at Forth Estuary
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 62.99 | 65.56 | -28.49 | 56.99 | | | |
| linear | 2 | 64.97 | 70.30 | -28.49 | 56.97 | 0.014 | 1 | 0.9057 |
| smooth (df = 2) | 3 | 66.03 | 76.03 | -28.02 | 56.03 | 0.938 | 1 | 0.3329 |
| smooth (df = 3) | 4 | 66.97 | 84.97 | -27.49 | 54.97 | 1.059 | 1 | 0.3034 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2000 | 2017 | 5.221 | 5.311 | 0.0898 | 0.7568 | 0.119 | 0.9085 |
| last 20 years | 2000 | 2017 | 5.221 | 5.311 | 0.0898 | 0.7568 | 0.119 | 0.9085 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 202.57 | 80.00 | -0.9291 | 0.4607 | -2.017 | 0.9608 |
Raw data with supporting information
![Raw data with supporting information for assessment of benzo[g,h,i]perylene in sediment at Forth Estuary](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_fr___sdmn_bghip_au.jpg "Raw data with supporting information for assessment of benzo[g,h,i]perylene in sediment at Forth Estuary")
Raw data with assessment
![Raw data with assessment of benzo[g,h,i]perylene in sediment at Forth Estuary](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_fr___sdmn_bghip_da.jpg "Raw data with assessment of benzo[g,h,i]perylene in sediment at Forth Estuary")
Assessment plot
![Assessment plot for benzo[g,h,i]perylene in sediment at Forth Estuary](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_fr___sdmn_bghip_as.jpg "Assessment plot for benzo[g,h,i]perylene in sediment at Forth Estuary")
PAH (parent) data
![PAH (parent) data for assessment of benzo[g,h,i]perylene in sediment at Forth Estuary](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_fr___sdmn_p(p)da.jpg "PAH (parent) data for assessment of benzo[g,h,i]perylene in sediment at Forth Estuary")
PAH (parent) assessment
![PAH (parent) assessment of benzo[g,h,i]perylene in sediment at Forth Estuary](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_fr___sdmn_p(p)as.jpg "PAH (parent) assessment of benzo[g,h,i]perylene in sediment at Forth Estuary")
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