Projects

CSEMP assessment of arsenic in sediment at Off Tyne

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean13.83 5.471.08-2.17
linear21.25 4.453.38-6.754.582 10.0323
smooth (df = 2)33.00 8.563.50-7.000.246 10.6197
smooth (df = 3)44.9813.983.51-7.020.021 10.8843

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920172.42992.96230.53240.22982.3170.0390
last 20 years199920172.42992.96230.53240.22982.3170.0390

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC19.34225.0000.256590.140681.8240.0466

 


Raw data with supporting information

Raw data with supporting information for assessment of  arsenic in sediment at Off Tyne


Raw data with assessment

Raw data with assessment of  arsenic in sediment at Off Tyne


Assessment plot

Assessment plot for  arsenic in sediment at Off Tyne


Metals data

Metals data for assessment of  arsenic in sediment at Off Tyne


Metals assessment

Metals assessment of  arsenic in sediment at Off Tyne


Related pages

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