ABSTRACT:

Hydrological, biological, geomorphological, and geospatial datasets collected from the Northeast (NE) and Southeast (SE) used to develop the Beta Streamflow Duration Assessment Method (SDAM) for the NE and the Beta SDAM for the SE. SDAMs are rapid, reach-scale indices or models that use physical and/or biological indicators to predict flow duration class. Three flow duration classes are used in the Beta SDAMs: perennial, intermittent, and ephemeral. Perennial reaches have continuous surface flow and do not experience drying outside of extreme drought. Intermittent reaches have continuous surface flow for part of the year that is sustained by snowmelt and/or groundwater. Ephemeral reaches have surface flow only during and immediately following precipitation or snowmelt. These datasets are also located at the United States Environmental Protection Agency data repository at: https://doi.org/10.23719/1528743

ABSTRACT:

Hydrological, biological, geomorphological, and geospatial datasets collected from the Great Plains (GP) used to develop the Beta Streamflow Duration Assessment Method (SDAM) for the GP. SDAMs are rapid, reach-scale indices or models that use physical and/or biological indicators to predict flow duration class. Three flow duration classes are used in the GP Beta SDAM: perennial, intermittent, and ephemeral. Perennial reaches have continuous surface flow and do not experience drying outside of extreme drought. Intermittent reaches have continuous surface flow for part of the year that is sustained by snowmelt and/or groundwater. Ephemeral reaches have surface flow only during and immediately following precipitation or snowmelt. These datasets are also located at the United States Environmental Protection Agency data repository at: https://doi.org/10.23719/1527943

ABSTRACT:

Hydrological, biological, geomorphological, and geospatial datasets collected from the Western Mountains (WM) used to develop the Beta Streamflow Duration Assessment Method (SDAM) for the WM. SDAMs are rapid, reach-scale indices or models that use physical and/or biological indicators to predict flow duration class. Three flow duration classes are used in the WM Beta SDAM: perennial, intermittent, and ephemeral. Perennial reaches have continuous surface flow and do not experience drying outside of extreme drought. Intermittent reaches have continuous surface flow for part of the year that is sustained by snowmelt and/or groundwater. Ephemeral reaches have surface flow only during and immediately following precipitation or snowmelt. These datasets are also located at the United States Environmental Protection Agency data repository at: https://doi.org/10.23719/1526066

ABSTRACT:

Hydrological, biological, and geomorphological dataset collected from the Pacific Northwest (PNW = Oregon, Idaho, and Washington) used to develop the Oregon (OR) Streamflow Duration Assessment Method (SDAM) and the PN SDAM. SDAMs are rapid, reach-scale indices or models that use physical and/or biological indicators to predict flow duration class. Three flow duration classes are used in the OR and PNW SDAMs: perennial, intermittent, and ephemeral. Perennial reaches have continuous surface flow and do not experience drying outside of extreme drought. Intermittent reaches have continuous surface flow for part of the year that is sustained by snowmelt and/or groundwater. Ephemeral reaches have surface flow only during and immediately following precipitation or snowmelt

ABSTRACT:

Hydrological, biological, geomorphological, and geospatial datasets collected from the Arid West (AW) used to develop the Beta Streamflow Duration Assessment Method (SDAM) for the AW. SDAMs are rapid, reach-scale indices or models that use physical and/or biological indicators to predict flow duration class. Three flow duration classes are used in the AW Beta SDAM: perennial, intermittent, and ephemeral. Perennial reaches have continuous surface flow and do not experience drying outside of extreme drought. Intermittent reaches have continuous surface flow for part of the year that is sustained by snowmelt and/or groundwater. Ephemeral reaches have surface flow only during and immediately following precipitation or snowmelt. These datasets are also located at the United States Environmental Protection Agency data repository at: https://doi.org/10.23719/1523371