Projects

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

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean135.5436.74-14.7729.54
linear237.5439.82-14.7729.540.003 10.9548
smooth (df = 2)339.3943.24-14.7029.390.149 10.6993
smooth (df = 3)441.3947.39-14.6929.390.003 10.9550
smooth (df = 4)543.2652.17-14.6329.260.130 10.7185

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920173.8573.844-0.01291 0.22690-0.0570.9553
last 20 years199920173.8573.844-0.01291 0.22690-0.0570.9553

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
ERL46.7281.000.55030.14693.7460.0009

 


Raw data with supporting information

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


Raw data with assessment

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


Assessment plot

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


Metals data

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


Metals assessment

Metals assessment of  chromium 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