CSEMP assessment of indeno[123-cd]pyrene in sediment at Tancred (Forth)
Statistical analysis
Trend assessment
Analysis of variance
Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) | |
---|---|---|---|---|---|---|---|---|
mean | 1 | 36.59 | 42.59 | -15.29 | 30.59 | |||
linear | 2 | 38.57 | 54.57 | -15.29 | 30.57 | 0.014 | 1 | 0.9058 |
Change in log concentration
Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) | |
---|---|---|---|---|---|---|---|---|
overall | 2005 | 2018 | 4.068 | 4.142 | 0.0735 | 0.6195 | 0.119 | 0.9113 |
last 20 years | 2005 | 2018 | 4.068 | 4.142 | 0.0735 | 0.6195 | 0.119 | 0.9113 |
Status assessment
Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) | |
---|---|---|---|---|---|---|
BAC | 62.92 | 103.00 | 0.4928 | 0.4664 | 1.057 | 0.1751 |
Raw data with supporting information
Raw data with assessment
Assessment plot
PAH (parent) data
PAH (parent) assessment
Related pages
- Clean Seas Environment Monitoring Programme (CSEMP) accessment viewer tool
- Assessment methodology for pah_(parent) in sediment
- Accessment criteria for pah_(parent) in sediment
Media : Sediment (unsieved)
Station : Forth_LowerForthEstuary_se02, Tancred (Forth)
Determinand : Indeno[123-cd]pyrene
Units : μg kg-1 dry weight normalised to 2.5% organic carbon
Data extraction : 30 April 2020
Station : Forth_LowerForthEstuary_se02, Tancred (Forth)
Determinand : Indeno[123-cd]pyrene
Units : μg kg-1 dry weight normalised to 2.5% organic carbon
Data extraction : 30 April 2020