CSEMP assessment of benzo[a]anthracene 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 | 54.37 | 57.37 | -24.18 | 48.37 | | | |
| linear | 2 | 55.34 | 61.74 | -23.67 | 47.34 | 1.032 | 1 | 0.3096 |
| smooth (df = 2) | 3 | 57.05 | 69.55 | -23.52 | 47.05 | 0.289 | 1 | 0.5910 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2005 | 2013 | 1.1354 | 1.7717 | 0.6363 | 0.6083 | 1.046 | 0.3303 |
| last 20 years | 2005 | 2013 | 1.1354 | 1.7717 | 0.6363 | 0.6083 | 1.046 | 0.3303 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 5.88 | 16.00 | 1.001 | 0.366 | 2.733 | 0.0146 |
| ERL | 5.88 | 261.00 | 3.793 | 0.366 | 10.356 | <0.0001 |
Raw data with supporting information
![Raw data with supporting information for assessment of benzo[a]anthracene in sediment at Fladen Ground](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_fl__02_sdmn_baa_au.jpg "Raw data with supporting information for assessment of benzo[a]anthracene in sediment at Fladen Ground")
Raw data with assessment
![Raw data with assessment of benzo[a]anthracene in sediment at Fladen Ground](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_fl__02_sdmn_baa_da.jpg "Raw data with assessment of benzo[a]anthracene in sediment at Fladen Ground")
Assessment plot
![Assessment plot for benzo[a]anthracene in sediment at Fladen Ground](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_fl__02_sdmn_baa_as.jpg "Assessment plot for benzo[a]anthracene in sediment at Fladen Ground")
PAH (parent) data
![PAH (parent) data for assessment of benzo[a]anthracene 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]anthracene in sediment at Fladen Ground")
PAH (parent) assessment
![PAH (parent) assessment of benzo[a]anthracene 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]anthracene in sediment at Fladen Ground")
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