| Literature DB >> 17809099 |
Abstract
Precipitation chemistry data from a rural area at an elevation of 2900 meters near the Continental Divide in Colorado show unexpectedly low pH values for bulk precipitation. A significant downward trend in pH over the last 3 years is associated with increasing amounts of nitric acid in precipitation.Entities:
Year: 1980 PMID: 17809099 DOI: 10.1126/science.207.4427.176
Source DB: PubMed Journal: Science ISSN: 0036-8075 Impact factor: 47.728