TY - JOUR
T1 - Assessment of precipitation chemistry measurements from the Global Trends Network and its predecessors, 1972-1982.
AU - Dayan, U.
AU - Yoshinaga, A. M.
AU - Nelson, D. W.
AU - Miller, J. M.
PY - 1985
Y1 - 1985
N2 - The Global Trends Network (GTN) consists of two parts: 1) the routine stations operated directly by NOAA, which are considered a part of the WMO baseline network; and 2) the research network, which is part of the Global Precipitation Chemistry Project directed by the University of Virginia. The precipitation chemistry measurements from the GTN and its predecessors are presented and analyzed. Among the important conclusions from this study are the following: A great improvement has been made in the baseline data with the introduction of weekly sampling in 1980, no obvious trends can be detected in the 10-year record, the average hydrogen ion concentration is about pH 5.0 in remote areas. For certain individual events this can be much lower, and the sulfate values in remote locations are about 10 times less than those found in polluted areas. -from STAR, 24(11), 1986
AB - The Global Trends Network (GTN) consists of two parts: 1) the routine stations operated directly by NOAA, which are considered a part of the WMO baseline network; and 2) the research network, which is part of the Global Precipitation Chemistry Project directed by the University of Virginia. The precipitation chemistry measurements from the GTN and its predecessors are presented and analyzed. Among the important conclusions from this study are the following: A great improvement has been made in the baseline data with the introduction of weekly sampling in 1980, no obvious trends can be detected in the 10-year record, the average hydrogen ion concentration is about pH 5.0 in remote areas. For certain individual events this can be much lower, and the sulfate values in remote locations are about 10 times less than those found in polluted areas. -from STAR, 24(11), 1986
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