Projects

CSEMP assessment of chromium in sediment at Cosheston Point (Milford Haven)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean142.4043.90-18.2036.40
linear232.0634.97-12.0324.0612.340 10.0004
smooth (df = 2)333.1038.10-11.5523.10 0.965 10.3260
smooth (df = 3)435.0043.00-11.5023.00 0.101 10.7511
smooth (df = 4)528.8441.09 -7.4214.84 8.156 10.0043

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920144.1254.6680.54250.12304.4090.0007
last 20 years199920144.1254.6680.54250.12304.4090.0007

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
ERL106.43 81.00-0.27307 0.07403-3.6880.9986

 


Raw data with supporting information

Raw data with supporting information for assessment of  chromium in sediment at Cosheston Point (Milford Haven)


Raw data with assessment

Raw data with assessment of  chromium in sediment at Cosheston Point (Milford Haven)


Assessment plot

Assessment plot for  chromium in sediment at Cosheston Point (Milford Haven)


Metals data

Metals data for assessment of  chromium in sediment at Cosheston Point (Milford Haven)


Metals assessment

Metals assessment of  chromium in sediment at Cosheston Point (Milford Haven)


Related pages

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