Anthony Lopez: A USGS Hydrologist
As a USGS hydrologist, Anthony Lopez is currently working on two projects. The first project consists of assessing toxicity of the sediment in Barnegat Bay. For this project, Anthony samples the bay and its tributaries for any pesticides, pharmaceuticals, medals or any other anthropogenic contami...

Tracking Pacific Walrus: Expedition to the Shrinking Chukchi Sea Ice
Summer ice retreat in the Chukchi Sea between Alaska and Russia is a significant climate change impact affecting Pacific Walruses, which are being considered for listing as a threatened species. This twelve minute video follows walruses in their summer sea ice habitat and shows how USGS biologists ...

Walrus Radio Tagging 2012,B-roll, Reel 1A
Footage of Pacific Walrus, Sea ice, Scientists Tagging Walruses With Radio Tags, Tracking animation. ...

San Francisco, California Bay Area Earthquake Hazards and Preparedness
This video presents information on historical and recent earthquake activity in the Bay Area of California. Experts discuss scientific and engineering issues, as well as personal safety and community well-being. The 7 Steps to Safety are neatly outlined, showing families how to be prepared before,...

Sea-level Rise Scenario for San Francisco Bay Estuary - China Camp Tides
This time-lapse video shows the dramatic natural tidal cycles of a salt marsh in San Francisco Bay -- daily rhythms to which animals take refuge in high ground, and the marsh receives sediment and nutrients from the estuary. But what will happen to these marsh ecosystems under sea level rise scenari...

Sea-level Rise Scenario for San Francisco Bay Estuary - China Camp State Park
How will sea level rise impact coastal ecosystems like salt marshes? Will plant species change and shift available habitat for local wildlife? Or will the marsh be completely inundated? USGS scientists are conducting extensive elevation and habitat surveys along the U.S. Pacific Coast, and using the...

Ecosystem restoration in the Chesapeake Bay headwaters, Severn River Tributary, Anne Arundel County Maryland
Faith Fitzpatrick (U.S. Geological Survey), Hala Flores (Anne Arundel County Department of Public Works), Ronald Bowen (Anne Arundel County Department of Public Works), and Keith Underwood (Underwood and Assoc.) talk about stream restoration projects associated with Anne Arundel County's new office ...

Stream restoration, sediment TMDLs issues, and riparian vegetation in urban gullies flowing into the Chesapeake Bay, Carriage Hills, Maryland
Faith Fitzpatrick (U.S. Geological Survey), Keith Underwood (Underwood and Assoc.), Erik Michelsen (South River Federation), and Joe Berg (BioHabitats, Inc.) discuss how a degraded headwater ephemeral gully in a residential area was retrofitted with sand seepage and step-pool systems to reduce erosi...

Forecast Mekong: Visualizing Shared Waters
The Mekong is one of the world's great rivers cascading through six Asian countries from the Tibetan Plateau to the South China Sea, connecting China, Myanmar, Laos, Thailand, Cambodia and Vietnam. How one country uses or changes the waters of the Mekong upstream can have important implications for...

The National Map Users Conference: Reaching Out to The National Map's Community of Users
The U.S. Geological Survey (USGS) sponsored the inaugural The National Map Users Conference (TNM UC) in conjunction with the eighth biennial Geographic Information Science (GIS) Workshop on May 10-13, 2011, in Golden, Colorado. The National Map Users Conference was held directly after the GIS Worksh...

The National Map Users Conference: Scanning and Georeferencing Historical USGS Quadrangles
The U.S. Geological Survey (USGS) sponsored the inaugural The National Map Users Conference (TNM UC) in conjunction with the eighth biennial Geographic Information Science (GIS) Workshop on May 10-13, 2011, in Golden, Colorado. The National Map Users Conference was held directly after the GIS Worksh...

The National Map Users Conference: Plenary and The Current Status of the National Map and a Vision for the Future
The U.S. Geological Survey (USGS) sponsored the inaugural The National Map Users Conference (TNM UC) in conjunction with the eighth biennial Geographic Information Science (GIS) Workshop on May 10-13, 2011, in Golden, Colorado. The National Map Users Conference was held directly after the GIS Worksh...

The National Map Users Conference: Advancing Our Geospatial Foundation for Protecting America's Great Outdoors and Powering Our Future
The U.S. Geological Survey (USGS) sponsored the inaugural The National Map Users Conference (TNM UC) in conjunction with the eighth biennial Geographic Information Science (GIS) Workshop on May 10-13, 2011, in Golden, Colorado. The National Map Users Conference was held directly after the GIS Worksh...

The National Map Users Conference: The Question, What is a Map? Is More Relevant than Ever.
The U.S. Geological Survey (USGS) sponsored the inaugural The National Map Users Conference (TNM UC) in conjunction with the eighth biennial Geographic Information Science (GIS) Workshop on May 10-13, 2011, in Golden, Colorado. The National Map Users Conference was held directly after the GIS Worksh...

The National Map Users Conference: The Importance of Geospatial Information for Effective Adaptation to Climate Change
The U.S. Geological Survey (USGS) sponsored the inaugural The National Map Users Conference (TNM UC) in conjunction with the eighth biennial Geographic Information Science (GIS) Workshop on May 10-13, 2011, in Golden, Colorado. The National Map Users Conference was held directly after the GIS Worksh...