The USGS Chesapeake Bay River Input Monitoring Program quantifies loads and long-term trends in concentrations of nutrients and suspended material entering the tidal Chesapeake Bay from its nine major tributaries. These rivers account for approximately 93% of the non-tidal stream flow into the bay. Water samples are collected upstream of the tidal influence at locations historically called the Fall Line.
Use Cases
- Analyze long-term trends in nutrient concentrations like nitrogen and phosphorus from specific river inputs.
- Model sediment load correlations with seasonal stream flow data across the nine monitored tributaries.
- Evaluate the effectiveness of upstream pollution reduction strategies by comparing pre- and post-intervention water quality samples.
- Assess spatial variability in water quality by comparing data features from different river monitoring stations.
Strengths
- Monitors nine major tributaries representing approximately 93% of the non-tidal freshwater input to Chesapeake Bay.
- Samples are collected above tidal influence, isolating upstream causes for observed water quality changes.
- Program is designed to quantify long-term trends, indicating a sustained time-series data collection effort.
Limitations
- Specific sample size, temporal coverage, and measurement frequency are not provided in the description.
- The dataset's geographic scope is limited to the Chesapeake Bay watershed and its nine major tributaries.
- Data granularity and available parameters (beyond nutrients and suspended material) are unspecified.
Provenance
- Source
- United States Geological Survey (USGS) Chesapeake Bay River Input Monitoring Program.
- Collection Method
- Water samples collected upstream of the tidal influence (Fall Line) from nine major rivers.
- Geography
- Chesapeake Bay watershed, specifically nine major tributaries: Susquehanna, Potomac, James, Rappahannock, York, Patuxent, Choptank, Nanticoke, and Pocomoke Rivers.