Nitrogen sources to and export from the Chesapeake Bay watershed, 1950 to 2050

This U.S. Geological Survey data release contains datasets that combine past data with future projections of nitrogen sources and nitrogen export to the Chesapeake...本美国地质调查局（U.S. Geological Survey）发布的数据合集包含多组整合了历史观测数据与切萨皮克地区氮源、氮输出量未来预测结果的数据集。