Web Tools

This is a data graphing utility that allows the user to build graphs of data from selected USGS stations. Select the station, the type of graph, the parameter(s) to plot, and the starting and ending dates for the graph.

The Hazards Data Distribution System ( HDDSExplorer) is an event-based interface that provides a single point-of-entry for access to remotely sensed imagery and other geospatial datasets as they become available during a response.

The GeoPlatform provides shared and trusted geospatial data, services, and applications for use by the public and by government agencies and partners to meet their mission needs.

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

Find out how much rain has fallen—how many gallons have come down from the skies onto your roof, yard, block, or town.

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 America.

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.

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

An easy-to-use, Web-based geodatabase of historical flood and paleoflood information which includes links to sources of flood data. The interface makes this collection of information useful to water-resource managers to better understand the historic events for improved flood-frequency estimates of the largest floods in Colorado.