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Location Folder Show Tree ROOT _ScienceBase Catalog __USGS California Water Science Center CAWSC Data Releases (Published) Links to Other Content of Interest Filters Date Range Past year (1) Past month (0) Past week (0) Past day (0) Custom range... To   Search Types Map Service (2) OGC WFS Layer (2) OGC WMS Service (2) Contacts Claudia C Faunt Jonathan A Traum Marisa M Earll Elizabeth R Jachens Justin T Brandt More... Tag Types Label (1) Place (1) View Results as: JSON ATOM CSV Browse Folder

Russian River Integrated Hydrologic Model (RRIHM) The Russian River Watershed (RRW) covers about 1,300 square miles (without Santa Rosa Plain) of urban, agricultural, and forested lands in northern Sonoma County and southern Mendocino County, California. Communities in the RRW depend on a combination of Russian River water and groundwater to meet their water-supply demands. Water is used primarily for agricultural irrigation, municipal and private wells supply, and commercial uses - such as for wineries and recreation. Annual rainfall in the RRW is highly variable, making it prone to droughts and flooding from atmospheric river events. In order to better understand surface-water and groundwater issues, the USGS is creating a Coupled Ground-Water and Surface-Water... Categories: Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: California, Groundwater-surface water interactions, Hydrology, Russian River, Russian River Watershed, All tags... United States, Water resources, groundwater, modeling, precipitation, streamflow, surface water, Fewer tags CVHM2: Central Valley Hydrologic Model version 2 The Central Valley covers about 20,000 square miles and is one of the most productive agricultural regions in the world. Because the valley is semi-arid, surface-water availability varies substantially. Agricultural demand for irrigation is heavily reliant on surface water and groundwater. In the last few decades, land-use changes and limitations to surface-water availability—including drought and environmental flows—have increased pumping, causing groundwater-level and groundwater-storage declines, renewed subsidence, decreased stream flows, and changes to ecosystems. As these recent trends continue, monitoring, data compilation, and modeling are critical to understanding the dynamics of groundwater use and developing... Categories: Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Agricultural, CVHM, CVHM2, California, Central Valley, All tags... Central Valley of California, Groundwater Model, Subsidence, usgsgroundwatermodel, Fewer tags