CSEMP assessment of c1 dibenzothiophene in sediment at North Minch
Statistical analysis
Trend assessment
Analysis of variance
Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) | |
---|---|---|---|---|---|---|---|---|
mean | 1 | 77.07 | 80.07 | -35.53 | 71.07 | |||
linear | 2 | 77.50 | 83.90 | -34.75 | 69.50 | 1.565 | 1 | 0.2110 |
smooth (df = 2) | 3 | 79.50 | 92.00 | -34.75 | 69.50 | 0.007 | 1 | 0.9334 |
Change in log concentration
Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) | |
---|---|---|---|---|---|---|---|---|
overall | 2006 | 2016 | 1.1352 | 1.4369 | 0.30174 | 0.23872 | 1.264 | 0.2467 |
last 20 years | 2006 | 2016 | 1.1352 | 1.4369 | 0.30174 | 0.23872 | 1.264 | 0.2467 |
Status assessment
No assessment criteria
Raw data with supporting information
Raw data with assessment
Assessment plot
PAH (alkylated) data
PAH (alkylated) assessment
Related pages
- Clean Seas Environment Monitoring Programme (CSEMP) accessment viewer tool
- Assessment methodology for pah_(alkylated) in sediment
- Accessment criteria for pah_(alkylated) in sediment
Media : Sediment (unsieved)
Station : MinchMalin_TheMinchNorth_se01 (North Minch)
Determinand : C1 Dibenzothiophene
Units : μg kg-1 dry weight normalised to 2.5% organic carbon
Data extraction : 30 April 2020
Station : MinchMalin_TheMinchNorth_se01 (North Minch)
Determinand : C1 Dibenzothiophene
Units : μg kg-1 dry weight normalised to 2.5% organic carbon
Data extraction : 30 April 2020