Projects

CSEMP assessment of c1 naphthalenes in sediment at Humber

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean122.7126.31-8.3516.71
linear223.3931.39-7.7015.391.317 10.2511
smooth (df = 2)325.3542.01-7.6715.350.047 10.8288

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200520176.9716.669-0.30168 0.25637-1.1770.2839
last 20 years200520176.9716.669-0.30168 0.25637-1.1770.2839

Status assessment

No assessment criteria

 


Raw data with supporting information

Raw data with supporting information for assessment of  c1 naphthalenes in sediment at Humber


Raw data with assessment

Raw data with assessment of  c1 naphthalenes in sediment at Humber


Assessment plot

Assessment plot for  c1 naphthalenes in sediment at Humber


PAH (alkylated) data

PAH (alkylated) data for assessment of  c1 naphthalenes in sediment at Humber


PAH (alkylated) assessment

PAH (alkylated) assessment of  c1 naphthalenes in sediment at Humber


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