Description Usage Format Details Source Examples
Bulk open field deposition collected in Val Sessera (Italy) in 1998-2010, volume weighted monthly averages.
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A data frame with 156 observations on the following 5 variables.
Year
sampling year
Month
sampling month
mm
amount of precipitation (mm)
SO4
sulphate concentration (mg/L)
NO3
nitate concentration (mg N/L)
SO4 shows a highly significant decreasing trend, NO3 shows a moderately significant decreasing trend and mm no significant trend
Marchetto A., Rogora M. & Arisci S. 2013 Trend analysis of atmospheric deposition data: a comparison of statistical approaches. Atmospheric Environment 64, 95-102
Rogora M., Mosello R., Arisci S., Brizzio M., Barbieri A., Balestrini R., Waldner P., Schmitt M., Stahli M.,Thimonier A., Kalina M., Puxbaum H., Nickus U., Ulrich E., Probst A. 2006 An overview of atmospheric deposition chemistry over the Alps: Present status and long-term trends. Hydrobiologia 562, 17–40
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Standard model
Tau = -0.3963554
Score = -348
var(Score) = 2958.667
2-sided p-value = 1.777556e-10
Theil-Sen's (MK) or seasonal/regional Kendall (SKT/RKT) slope= -0.09266667
Correction for inter-block covariance
var(Score) = 14495.33
2-sided p-value = 0.003949817
Partial model
Partial score = -325.6001
var(Partial score) = 2532.056
2-sided p-value = 1.112785e-10
Correction for inter-block covariance
var(Score) = 8793.304
2-sided p-value = 0.0005370432
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