@article {49973,
	title = {Long-term trends in precipitation and surface water chemistry},
	year = {2011},
	keywords = {ecological systems, global change, long-term trends, precipitation, surface water chemistry},
	author = {Debra C. Peters and C. Laney and Ariel E. Lugo and S.L. Collins and Charles T. Driscoll and Peter M. Groffman and Grove, J.M. and A. K. Knapp and T. K. Kratz and Mark D. Ohman and R. B. Waide and Jin Yao}
}
