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Interactive Maps

Discover USGS science and data through mapping experience and refine search with filter options.

Filter Total Items: 316

National Vegetation Classification Standard

The National Vegetation Classification (NVC) is your guide to inventorying plant communities. The standard allows users to produce uniform statistics about vegetation resources across the nation. CSAS&L actively participates in the development of this important standard through our involvement with the FGDC Vegetation Subcommittee and the ESA Vegetation Panel.

Emergency Assessment of Post-Fire Debris-Flow Hazards

We conduct post-fire debris-flow hazard assessments for select fires in the Western U.S. We use geospatial data related to basin morphometry, burn severity, soil properties, and rainfall characteristics to estimate the probability and volume of debris flows that may occur in response to a design storm.

Maps of America’s Submerged Lands

Maps, reports, and digital data available as shape files, images, or grids in GIS format, that depict the bathymetry, surficial geology, or subsurface structure of submerged areas at various scales. The information addresses scientific and management issues that are important to the environment and economy of coastal communities and the Nation.

U.S. Department of Agriculture (USDA) Geospatial Data Gateway

Natural resources and environmental data, including orthoimagery, hydrologic, and cartographic data.

Regional Research Web Cameras

Access to regional web cameras located in the desert southwest and arctic Alaska. Desert cameras capture and document regional climate variability with a specific focus on local and regional dust emission and transport. The artic Alaska cameras capture and document regional climate variability with a specific focus on snow cover and permafrost feature evolution.

California SPARROW Mapper, 2002

The SPARROW (SPAtially Referenced Regression on Watershed attributes) model was used to simulate annual phosphorus loads and concentrations in unmonitored stream reaches in California, U.S., and portions of Nevada and Oregon.

Texas Geology Web Map Viewer

The Texas Geology Web Map Viewer is the third generation in a series of Texas geologic mapping products which is intended to empower and expose surface geology details to a broad range of diverse users interested in exploring the geology of the State of Texas.  Key features incude clear navigational controls, location search, and an identify tool to retrieve detailed formation data.

U.S. Water Use from 1950-2015

U.S. Water Use from 1950-2015 is an interactive map viewer used to visualize water use by region and date for U.S. freshwater withdrawals, 1950-present (created by USGS VIZLAB).

Eastern United States 2002 Nutrient Loading

The U.S. Geological Survey applied the SPARROW model to assess the loads delivered in 2002 for estuaries and coastal waters along the Atlantic Ocean and eastern Gulf of Mexico.

Alkalinity Calculator

The Alkalinity Calculator will analyze the titration curve and calculate the alkalinity or acid neutralizing capacity (ANC) of the sample using one or more of several different methods. Alkalinity is for filtered samples, while ANC is for unfiltered samples. The results will be displayed in tabular and graphical form.

USGS Science in Alaska

The portal is a searchable, web map-based tool to facilitate public and partner access to information on over 200 subjects under USGS study in the Nation's largest State.

Groundwater Recharge in Pennsylvania

A map app to get recharge values from streamgage locations in Pennsylvania. Development of this app is described at the Related Science page.