CSEMP assessment of benzo[a]pyrene in sediment at Fladen Ground
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 48.86 | 51.43 | -21.43 | 42.86 | | | |
| linear | 2 | 49.61 | 54.94 | -20.81 | 41.61 | 1.249 | 1 | 0.2637 |
| smooth (df = 2) | 3 | 51.13 | 61.13 | -20.56 | 41.13 | 0.481 | 1 | 0.4879 |
| smooth (df = 3) | 4 | 52.71 | 70.71 | -20.36 | 40.71 | 0.417 | 1 | 0.5186 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2005 | 2018 | 1.9839 | 2.5818 | 0.5979 | 0.5185 | 1.153 | 0.2822 |
| last 20 years | 2005 | 2018 | 1.9839 | 2.5818 | 0.5979 | 0.5185 | 1.153 | 0.2822 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 13.2 | 30.0 | 0.819 | 0.359 | 2.285 | 0.0258 |
| ERL | 13.2 | 430.0 | 3.482 | 0.359 | 9.712 | <0.0001 |
Raw data with supporting information
![Raw data with supporting information for assessment of benzo[a]pyrene in sediment at Fladen Ground](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_fl__02_sdmn_bap_au.jpg "Raw data with supporting information for assessment of benzo[a]pyrene in sediment at Fladen Ground")
Raw data with assessment
![Raw data with assessment of benzo[a]pyrene in sediment at Fladen Ground](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_fl__02_sdmn_bap_da.jpg "Raw data with assessment of benzo[a]pyrene in sediment at Fladen Ground")
Assessment plot
![Assessment plot for benzo[a]pyrene in sediment at Fladen Ground](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_fl__02_sdmn_bap_as.jpg "Assessment plot for benzo[a]pyrene in sediment at Fladen Ground")
PAH (parent) data
![PAH (parent) data for assessment of benzo[a]pyrene in sediment at Fladen Ground](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_fl__02_sdmn_p(p)da.jpg "PAH (parent) data for assessment of benzo[a]pyrene in sediment at Fladen Ground")
PAH (parent) assessment
![PAH (parent) assessment of benzo[a]pyrene in sediment at Fladen Ground](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_fl__02_sdmn_p(p)as.jpg "PAH (parent) assessment of benzo[a]pyrene in sediment at Fladen Ground")
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