Nitrogen, Phosphorus, and Suspended-Sediment Loads and Trends measured in Nine Chesapeake Bay Tributaries: Annual Loads - Water Years 1985-2015

Nitrogen, phosphorus, and suspended-sediment loads, and changes in loads, in rivers across the Chesapeake Bay watershed have been calculated using monitoring data...切萨皮克湾流域（Chesapeake Bay watershed）内各河流的氮、磷、悬浮泥沙负荷量及其变化量，已基于监测数据计算得到。