Projects

CSEMP assessment of chromium in sediment at Sunk Island (Humber)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean172.7075.27-33.3566.70
linear273.6378.97-32.8265.631.066 10.3018
smooth (df = 2)375.6085.60-32.8065.600.030 10.8627
smooth (df = 3)475.2493.24-31.6263.242.363 10.1242

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920134.6994.9590.260990.249121.0480.3254
last 20 years199920134.6994.9590.260990.249121.0480.3254

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
ERL142.52 81.00-0.5650 0.1536-3.6790.9969

 


Raw data with supporting information

Raw data with supporting information for assessment of  chromium in sediment at Sunk Island (Humber)


Raw data with assessment

Raw data with assessment of  chromium in sediment at Sunk Island (Humber)


Assessment plot

Assessment plot for  chromium in sediment at Sunk Island (Humber)


Metals data

Metals data for assessment of  chromium in sediment at Sunk Island (Humber)


Metals assessment

Metals assessment of  chromium in sediment at Sunk Island (Humber)


Related pages

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