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Mt. Ninham Air Monitoring Site Trends (1987-2007)

Mt. Ninham Acid Deposition Data, 1987 - 2007
Station Year Precip.
in
pH [SO4]
ippm
[NO3]
ippm
[NH4]
ippm
SO4 Dep.
kg/ha
NO3 Dep.
kg/ha
NH4 Dep.
kg/ha
Mt. Ninham 1987 42.33 4.36 3.54 2.48 0.09
Mt. Ninham 1988 41.93 4.28 2.70 1.91 0.24 28.76 20.34 2.51
Mt. Ninham 1989 54.51 4.28 1.93 1.26 0.38
Mt. Ninham 1990 57.89 4.29 2.20 1.63 0.31 32.32 23.89 4.57
Mt. Ninham 1991 38.27 4.26 2.37 1.64 0.36 23.04 15.99 3.48
Mt. Ninham 1992 43.14 4.29 2.66 1.65 0.33 29.09 18.08 3.62
Mt. Ninham 1993 41.67 4.28 2.45 1.61 0.35 25.90 17.04 3.73
Mt. Ninham 1994 46.04 4.36 2.06 1.55 0.34 24.14 18.08 3.94
Mt. Ninham 1995 40.57 4.51 1.43 1.32 0.44 14.76 13.59 4.54
Mt. Ninham 1996 53.61 4.44 1.90 1.37 0.46 25.93 18.70 6.24
Mt. Ninham 1997 35.40 4.31 1.85 1.61 0.41 17.95 15.55 4.00
Mt. Ninham 1998 39.00 4.40 1.98 1.53 0.46 20.00 15.47 4.63
Mt. Ninham 1999 36.39 4.40 1.74 1.30 0.27 16.04 12.05 2.54
Mt. Ninham 2000 42.81 4.37 1.69 1.75 0.34 18.35 19.00 3.72
Mt. Ninham 2001 34.73 4.36 1.81 1.85 0.47 15.97 16.28 4.13
Mt. Ninham 2002 47.34 4.42 1.70 1.67 0.31 20.45 20.07 3.77
Mt. Ninham 2003 62.52 4.46 1.30 1.52 0.39 20.33 23.94 6.18
Mt. Ninham 2004 52.13 4.52 1.25 1.46 0.23 16.64 19.20 3.06
Mt. Ninham 2005 59.57 4.60 1.18 1.44 0.34 17.87 21.73 5.11
Mt. Ninham 2006 56.59 4.35 1.28 1.07 0.23 18.48 15.50 3.46
Mt. Ninham 2007 45.51 4.53 1.48 1.15 0.24 17.06 13.63 2.76

Blanks indicate that the rainfall criteria were not satisfied. That is, analysis of at least 75% of the annual and 50% of the quarterly precipitation.

pH and ion concentration at Mt. Ninham, 1987-2007

precipitation and ion deposition at Mt. Ninham, 1987-2007