CSEMP assessment of benzo[a]anthracene in sediment at Lough Foyle
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 158.29 | 160.29 | -76.14 | 152.29 | | | |
| linear | 2 | 159.10 | 163.10 | -75.55 | 151.10 | 1.189 | 1 | 0.2756 |
| smooth (df = 2) | 3 | 156.76 | 163.90 | -73.38 | 146.76 | 4.340 | 1 | 0.0372 |
| smooth (df = 3) | 4 | 156.96 | 168.96 | -72.48 | 144.96 | 1.801 | 1 | 0.1796 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2000 | 2018 | 3.772 | 3.128 | -0.6443 | 0.5754 | -1.120 | 0.2890 |
| last 20 years | 2000 | 2018 | 3.772 | 3.128 | -0.6443 | 0.5754 | -1.120 | 0.2890 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 22.83 | 16.00 | -0.3554 | 0.3041 | -1.169 | 0.8652 |
| ERL | 22.83 | 261.00 | 2.4365 | 0.3041 | 8.012 | <0.0001 |
Raw data with supporting information
![Raw data with supporting information for assessment of benzo[a]anthracene in sediment at Lough Foyle](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_mnchmln_f_01_sdmn_baa_au.jpg "Raw data with supporting information for assessment of benzo[a]anthracene in sediment at Lough Foyle")
Raw data with assessment
![Raw data with assessment of benzo[a]anthracene in sediment at Lough Foyle](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_mnchmln_f_01_sdmn_baa_da.jpg "Raw data with assessment of benzo[a]anthracene in sediment at Lough Foyle")
Assessment plot
![Assessment plot for benzo[a]anthracene in sediment at Lough Foyle](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_mnchmln_f_01_sdmn_baa_as.jpg "Assessment plot for benzo[a]anthracene in sediment at Lough Foyle")
PAH (parent) data
![PAH (parent) data for assessment of benzo[a]anthracene in sediment at Lough Foyle](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_mnchmln_f_01_sdmn_p(p)da.jpg "PAH (parent) data for assessment of benzo[a]anthracene in sediment at Lough Foyle")
PAH (parent) assessment
![PAH (parent) assessment of benzo[a]anthracene in sediment at Lough Foyle](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_mnchmln_f_01_sdmn_p(p)as.jpg "PAH (parent) assessment of benzo[a]anthracene in sediment at Lough Foyle")
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