CSEMP assessment of indeno[123-cd]pyrene in sediment at Holy Loch (Clyde)
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 52.44 | 53.94 | -23.22 | 46.44 | | | |
| linear | 2 | 47.77 | 50.68 | -19.88 | 39.77 | 6.670 | 1 | 0.0098 |
| smooth (df = 2) | 3 | 48.75 | 53.75 | -19.38 | 38.75 | 1.013 | 1 | 0.3142 |
| smooth (df = 3) | 4 | 49.48 | 57.48 | -18.74 | 37.48 | 1.268 | 1 | 0.2601 |
| smooth (df = 4) | 5 | 45.17 | 57.42 | -15.59 | 31.17 | 6.315 | 1 | 0.0120 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2000 | 2017 | 6.474 | 5.535 | -0.9388 | 0.3240 | -2.898 | 0.0125 |
| last 20 years | 2000 | 2017 | 6.474 | 5.535 | -0.9388 | 0.3240 | -2.898 | 0.0125 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 253.38 | 103.00 | -0.9001 | 0.2170 | -4.148 | 0.9994 |
Raw data with supporting information
![Raw data with supporting information for assessment of indeno[123-cd]pyrene in sediment at Holy Loch (Clyde)](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_clyd_frthcn_06_sdmn_icdp_au.jpg "Raw data with supporting information for assessment of indeno[123-cd]pyrene in sediment at Holy Loch (Clyde)")
Raw data with assessment
![Raw data with assessment of indeno[123-cd]pyrene in sediment at Holy Loch (Clyde)](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_clyd_frthcn_06_sdmn_icdp_da.jpg "Raw data with assessment of indeno[123-cd]pyrene in sediment at Holy Loch (Clyde)")
Assessment plot
![Assessment plot for indeno[123-cd]pyrene in sediment at Holy Loch (Clyde)](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_clyd_frthcn_06_sdmn_icdp_as.jpg "Assessment plot for indeno[123-cd]pyrene in sediment at Holy Loch (Clyde)")
PAH (parent) data
![PAH (parent) data for assessment of indeno[123-cd]pyrene in sediment at Holy Loch (Clyde)](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_clyd_frthcn_06_sdmn_p(p)da.jpg "PAH (parent) data for assessment of indeno[123-cd]pyrene in sediment at Holy Loch (Clyde)")
PAH (parent) assessment
![PAH (parent) assessment of indeno[123-cd]pyrene in sediment at Holy Loch (Clyde)](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_clyd_frthcn_06_sdmn_p(p)as.jpg "PAH (parent) assessment of indeno[123-cd]pyrene in sediment at Holy Loch (Clyde)")
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