Projects

CSEMP assessment of arsenic in sediment at Montrose Bank (E Scotland)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean172.9974.27-33.4966.99
linear273.7476.20-32.8765.741.243 10.2649
smooth (df = 2)375.5479.71-32.7765.540.204 10.6518
smooth (df = 3)476.8183.35-32.4064.810.731 10.3926
smooth (df = 4)578.5788.37-32.2864.570.242 10.6225

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920173.5233.8910.36780.32771.1220.2793
last 20 years199920173.5233.8910.36780.32771.1220.2793

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC48.9525.00-0.6719 0.2214-3.0350.9958

 


Raw data with supporting information

Raw data with supporting information for assessment of  arsenic in sediment at Montrose Bank (E Scotland)


Raw data with assessment

Raw data with assessment of  arsenic in sediment at Montrose Bank (E Scotland)


Assessment plot

Assessment plot for  arsenic in sediment at Montrose Bank (E Scotland)


Metals data

Metals data for assessment of  arsenic in sediment at Montrose Bank (E Scotland)


Metals assessment

Metals assessment of  arsenic in sediment at Montrose Bank (E Scotland)


Related pages

  • Clean Seas Environment Monitoring Programme (CSEMP) accessment viewer tool
  • Assessment methodology for metals in sediment
  • Accessment criteria for metals in sediment