Reduced nitrogen dominated nitrogen deposition in the United States, but its contribution to nitrogen deposition in China decreased

Increasing importance of deposition of reduced nitrogen in the United States

(2016) Yi Li et al.   PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA

Evidence for a Historic Change Occurring in China

(2015) Xuejun Liu et al.   ENVIRONMENTAL SCIENCE & TECHNOLOGY

Changes in wet nitrogen deposition in the United States between 1985 and 2012

(2014) Enzai Du et al.   Environmental Research Letters

Ammonia Pollution From Farming May Exact Hefty Health Costs

(2014) E. Stokstad   SCIENCE

A seasonal nitrogen deposition budget for Rocky Mountain National Park

(2013) K. B. Benedict et al.   ECOLOGICAL APPLICATIONS

Enhanced nitrogen deposition over China

(2013) Xuejun Liu et al.   NATURE