CSEMP assessment of benzo[a]pyrene in sediment at Inner Firth of Clyde, Nth of Cumbrae
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 36.98 | 42.98 | -15.49 | 30.98 | | | |
| linear | 2 | 38.97 | 54.97 | -15.49 | 30.97 | 0.004 | 1 | 0.9497 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2002 | 2013 | 5.558 | 5.530 | -0.0283 | 0.4442 | -0.064 | 0.9523 |
| last 20 years | 2002 | 2013 | 5.558 | 5.530 | -0.0283 | 0.4442 | -0.064 | 0.9523 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 252.1 | 30.0 | -2.1288 | 0.3277 | -6.497 | 0.9986 |
| ERL | 252.1 | 430.0 | 0.5338 | 0.3277 | 1.629 | 0.0893 |
Raw data with supporting information
![Raw data with supporting information for assessment of benzo[a]pyrene in sediment at Inner Firth of Clyde, Nth of Cumbrae](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_clyd_f_01_sdmn_bap_au.jpg "Raw data with supporting information for assessment of benzo[a]pyrene in sediment at Inner Firth of Clyde, Nth of Cumbrae")
Raw data with assessment
![Raw data with assessment of benzo[a]pyrene in sediment at Inner Firth of Clyde, Nth of Cumbrae](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_clyd_f_01_sdmn_bap_da.jpg "Raw data with assessment of benzo[a]pyrene in sediment at Inner Firth of Clyde, Nth of Cumbrae")
Assessment plot
![Assessment plot for benzo[a]pyrene in sediment at Inner Firth of Clyde, Nth of Cumbrae](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_clyd_f_01_sdmn_bap_as.jpg "Assessment plot for benzo[a]pyrene in sediment at Inner Firth of Clyde, Nth of Cumbrae")
PAH (parent) data
![PAH (parent) data for assessment of benzo[a]pyrene in sediment at Inner Firth of Clyde, Nth of Cumbrae](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_clyd_f_01_sdmn_p(p)da.jpg "PAH (parent) data for assessment of benzo[a]pyrene in sediment at Inner Firth of Clyde, Nth of Cumbrae")
PAH (parent) assessment
![PAH (parent) assessment of benzo[a]pyrene in sediment at Inner Firth of Clyde, Nth of Cumbrae](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_clyd_f_01_sdmn_p(p)as.jpg "PAH (parent) assessment of benzo[a]pyrene in sediment at Inner Firth of Clyde, Nth of Cumbrae")
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