CSEMP assessment of benzo[a]anthracene in sediment at inner (Firth of Clyde)
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 111.56 | 113.36 | -52.78 | 105.56 | | | |
| linear | 2 | 111.46 | 115.01 | -51.73 | 103.46 | 2.107 | 1 | 0.1466 |
| smooth (df = 2) | 3 | 112.79 | 119.04 | -51.40 | 102.79 | 0.665 | 1 | 0.4146 |
| smooth (df = 3) | 4 | 113.27 | 123.56 | -50.64 | 101.27 | 1.517 | 1 | 0.2180 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2002 | 2018 | 5.023 | 5.797 | 0.7739 | 0.5109 | 1.515 | 0.1580 |
| last 20 years | 2002 | 2018 | 5.023 | 5.797 | 0.7739 | 0.5109 | 1.515 | 0.1580 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 329.3 | 16.0 | -3.0244 | 0.3115 | -9.709 | 1.0000 |
| ERL | 329.3 | 261.0 | -0.2324 | 0.3115 | -0.746 | 0.7644 |
Raw data with supporting information
![Raw data with supporting information for assessment of benzo[a]anthracene in sediment at inner (Firth of Clyde)](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_frth_f_clyd_(n)__sdmn_baa_au.jpg "Raw data with supporting information for assessment of benzo[a]anthracene in sediment at inner (Firth of Clyde)")
Raw data with assessment
![Raw data with assessment of benzo[a]anthracene in sediment at inner (Firth of Clyde)](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_frth_f_clyd_(n)__sdmn_baa_da.jpg "Raw data with assessment of benzo[a]anthracene in sediment at inner (Firth of Clyde)")
Assessment plot
![Assessment plot for benzo[a]anthracene in sediment at inner (Firth of Clyde)](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_frth_f_clyd_(n)__sdmn_baa_as.jpg "Assessment plot for benzo[a]anthracene in sediment at inner (Firth of Clyde)")
PAH (parent) data
![PAH (parent) data for assessment of benzo[a]anthracene in sediment at inner (Firth of Clyde)](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_frth_f_clyd_(n)__sdmn_p(p)da.jpg "PAH (parent) data for assessment of benzo[a]anthracene in sediment at inner (Firth of Clyde)")
PAH (parent) assessment
![PAH (parent) assessment of benzo[a]anthracene in sediment at inner (Firth of Clyde)](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_frth_f_clyd_(n)__sdmn_p(p)as.jpg "PAH (parent) assessment of benzo[a]anthracene in sediment at inner (Firth of Clyde)")
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