CSEMP assessment of fluoranthene 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 | 56.93 | 59.50 | -25.47 | 50.93 | |||
linear | 2 | 57.60 | 62.93 | -24.80 | 49.60 | 1.330 | 1 | 0.2487 |
smooth (df = 2) | 3 | 59.60 | 69.60 | -24.80 | 49.60 | 0.002 | 1 | 0.9680 |
smooth (df = 3) | 4 | 61.30 | 79.30 | -24.65 | 49.30 | 0.299 | 1 | 0.5847 |
Change in log concentration
Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) | |
---|---|---|---|---|---|---|---|---|
overall | 2005 | 2018 | 1.8708 | 2.5542 | 0.6834 | 0.5726 | 1.194 | 0.2668 |
last 20 years | 2005 | 2018 | 1.8708 | 2.5542 | 0.6834 | 0.5726 | 1.194 | 0.2668 |
Status assessment
Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) | |
---|---|---|---|---|---|---|
BAC | 12.9 | 39.0 | 1.109 | 0.396 | 2.804 | 0.0115 |
ERL | 12.9 | 600.0 | 3.843 | 0.396 | 9.713 | <0.0001 |
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 : Fladen_FlaOpenSea_se02 (Fladen Ground)
Determinand : Fluoranthene
Units : μg kg-1 dry weight normalised to 2.5% organic carbon
Data extraction : 30 April 2020
Station : Fladen_FlaOpenSea_se02 (Fladen Ground)
Determinand : Fluoranthene
Units : μg kg-1 dry weight normalised to 2.5% organic carbon
Data extraction : 30 April 2020