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 | 46.46 | 49.46 | -20.23 | 40.46 | | | |
| linear | 2 | 48.29 | 54.69 | -20.15 | 40.29 | 0.166 | 1 | 0.6833 |
| smooth (df = 2) | 3 | 49.72 | 62.22 | -19.86 | 39.72 | 0.569 | 1 | 0.4505 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2005 | 2013 | 2.0490 | 2.2515 | 0.2025 | 0.4937 | 0.410 | 0.6940 |
| last 20 years | 2005 | 2013 | 2.0490 | 2.2515 | 0.2025 | 0.4937 | 0.410 | 0.6940 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 9.5 | 30.0 | 1.150 | 0.300 | 3.835 | 0.0032 |
| ERL | 9.5 | 430.0 | 3.812 | 0.300 | 12.717 | <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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