Public Lecture Series

Multimedia

A listing of our past lecture series events.

Filter Total Items: 187
February 24, 2011

PubTalk 2/2011 — Is Our Coast in Jeopardy?

-predicting the impact of extreme storms on the California Coast

By Patrick Barnard, USGS Pacific Coastal & Marine Science Center

 

  • Extreme storms are expected to become more frequent and intense as a result of climate change
  • The USGS has developed the Coastal Storm Modeling System (CoSMoS) for predicting
January 27, 2011

PubTalk 1/2011 — Capture and Geologic Sequestration of Carbon Dioxide

Is Sequestration Necessary? Can We Do It at an Acceptable Total Cost?

By Yousif Kharaka, USGS National Research Program

 

  • Combustion of fossil fuels currently releases approximately 30 billion tons of carbon dioxide (CO2) to the atmosphere annually
  • Increased anthropogenic emissions have dramatically raised
December 9, 2010

PubTalk 12/2010 — Forecasting Volcanic Eruptions in Alaska

-- the contrasting stories of two recent spectacular eruptions

by Stephanie Prejean, USGS Alaska Volcano Observatory

 

  • Alaskan volcanoes erupt frequently and violently. However each eruption is preceded by a unique set of geophysical precursors.
  • Eruptions of Redoubt and Kasatochi volcanoes highlight the
Attribution: Region 11: Alaska
November 18, 2010

PubTalk 11/2010 — Silicon, Software, and Science

Monitoring the Earth's Landscape with Low-Cost High-Tech

by Rian Bogle, Remote Sensing Specialist

 

  • The USGS is one of the world's largest providers of remote sensing data, employing the best tools and techniques to expand our knowledge of the Earth.
  • Working with low-cost field and aerial imaging technologies,
October 28, 2010

PubTalk 10/2010 — Dam Removal in the Pacific Northwest

- a new tool for river restoration

by Jonathan Warrick, Research Geologist

 

  • Dams provide water supply, power generation and flood control, but they have finite life spans and can disrupt river and coastal ecosystems.
  • Removal of two large dams on the Elwha River of Washington in 2011 will be the largest dam
September 30, 2010

PubTalk 9/2010 — Great Missoula & Ice Age Floods Natl. Geologic Trail

- a journey through the landscape of Earth's greatest floods

by Richard Waitt, Geologist

 

  • Glacial Lake Missoula released scores of cataclysmic floods, sculpting the bizarre landscape of Washington's Channeled Scabland
  • New video depicts the enormous 3-day flood releasing 500 cubic miles of water
August 26, 2010

PubTalk 8/2010 — Invasives and Wildfires in the West

New Crossroads in Science, Policy, and Management

by Julio Betancourt, Sr. Scientist and Desert Ecologist

  • Exponential spread of non-native grasses is a pressing environmental issue in American Deserts
  • Invasive grasses increased fuel continuity and large wildfires in desert scrub that previously experienced little or no
July 29, 2010

PubTalk 7/2010 — Looking Down On Our Planet

New satellite imagery reveals a changing global surface

by Ron Beck, USGS Land Remote Sensing Program

 

  • Nearly 40 years of USGS satellite imagery shows dramatic changes earth's surface features
  • Changing patterns of land use are seen in urban growth, clear cutting of amazon forests, and surface mining
June 24, 2010

PubTalk 6/2010 — Monterey Canyon - Superhighway to the Deep-Sea

USGS-MBARI Cooperative Oceanographic Research

By Charles K. Paull, Senior Scientist Monterey Bay Aquarium Research Institute, Moss Landing, CA 

 

  • Monterey Bay provides a diverse 4,000 meter-deep "laboratory" for both biologists and geologists
  • Ocean studies are providing critical information on climate change,
May 27, 2010

PubTalk 5/2010 — The Heat is On: Desert Tortoises & Survival

A New USGS documentary video exploring the world of the mojave desert tortoise

Introduced & discussed by USGS Ecologist Todd Esque & Ken Nussear, Wildlife Biologist 

 

  • The Mojave Desert tortoise, an important indicator of desert ecosystem health, is being threatened by habitat loss, predators, wildfire, and
April 29, 2010

PubTalk 4/2010 — Large, Destructive Earthquakes in Haiti and Chile

Lessons Learned for the San Francisco Bay Area

by USGS Geophysicists, Walter Mooney & Eric Geist 

 

  • Why was the January 2010 magnitude 7.0 earthquake in Haiti the 4th deadliest in history?
  • What have scientists discovered from seismology, satellite observations, and field investigations?
  • The Chilean
March 25, 2010

PubTalk 3/2010 — Changing Times-- A Changing Planet!

Using phenology to take the pulse of our planet

By Jake F. Weltzin, Executive Director, USA National Phenology Network

  • Citizens, scientists and natural resources managers are teaming-up to track biological events and cycles responding to changing climate
  • Phenology is providing new insights into seasonal changes in