USGS

Littoral Explosions at Puhi-o-Kalaikini Ocean Entry

Title: Littoral Explosions at Puhi-o-Kalaikini Ocean Entry
Runtime: 0:40
Date posted: 16 years ago
Description: More information on the USGS Multimedia Gallery: http://gallery.usgs.gov/videos/336

A short period of successive littoral explosions at the Puhi-o-Kalaikini ocean entry, where lava exiting the tube enters the water. The explosions were throwing ejecta up to about 20 meters. The video was taken with a high zoom factor from the top of the sea cliff, well away from the entry point and not on the lava delta.

Title: Lava Lake at Halema'uma'u Crater
Runtime: 0:34
Date posted: 16 years ago
Description: More information on the USGS Multimedia Gallery: http://gallery.usgs.gov/videos/335

The lava lake deep within the vent cavity at Halema'uma'u crater remains active, with ongoing degassing and circulation of lava. This Quicktime movie shows the view in the vent today with a thermal camera, and the video is set at x4 speed to better show the slowly moving lava surface. Today, the lava surface was moving at a rate of about 18 meters per minute (or about 0.7 miles per hour).

Title: Ice Jam on the Niobrara River
Runtime: 1:45
Date posted: 16 years ago
Description: More information on the USGS Multimedia Gallery: http://gallery.usgs.gov/videos/351

Time-lapse photography of the transition from fall-to-winter, the buildup of shelf ice, flow constriction, and jamming of river ice along the Niobrara River in the Fort Niobrara National Wildlife Refuge in north-central Nebraska. Flow in the photos is from left to right. Photography was taken along the south (right) bank approximately 2.1 miles upstream from USGS streamflow-gaging station 06461500. The rapid change of lens angle in final days of sequence is due to pressure from ice jamming on the flood plain pushing against the tree where the camera was mounted. The camera was approximately 6 feet above the 2-year flood plain, and was eventually flooded, presumably due to backwater from ice jamming, causing shutdown.

Title: Water Vision
Runtime: 7:43
Date posted: 16 years ago
Description: More information on the USGS Multimedia Gallery: http://gallery.usgs.gov/videos/127

Hydrologists with the Nebraska Water Science Center use geophysics to unlock the groundwater mystery in eastern Nebraska. Because the area was a dumping ground for glacial till when the glaciers retreated 12,000 years ago, the groundwater resources are hard to quantify with more traditional surveying techniques such as test-hole drilling. Geophysics uses electromagnetic waves to take a "CAT Scan" of the Earth via helicopter, allowing scientists to see where water-bearing units are likely to be located beneath the Earth's surface and providing a less expensive way to survey this geologically complex terrain.

3-D Geologic Model of Columbia Plateau Aquifer System

Title: 3-D Geologic Model of Columbia Plateau Aquifer System
Runtime: 7:31
Date posted: 16 years ago
Description: More information on the USGS Multimedia Gallery: http://gallery.usgs.gov/videos/350

In this month's episode we discuss how 3-D modeling is used to examine groundwater in the Columbia Plateau. USGS hydrologist Erick Burns describes how his team modeled the 53,000 square mile plateau, how this information is currently used, and what implications it has for the future. Join us, as we explore how cutting edge science today is used to solve tomorrow's problems, only in this month's episode of the USGS Oregon Science Podcast.

Title: Rotarun Trail - Community Collaboration
Runtime: 3:27
Date posted: 16 years ago
Description: More information on the USGS Multimedia Gallery: http://gallery.usgs.gov/videos/349

Details the collaboration between Bureau of Land Management and local community to design and build a mountain bike trail.

Title: Rotarun Trail - Mountain Biker Haven
Runtime: 4:00
Date posted: 16 years ago
Description: More information on the USGS Multimedia Gallery: http://gallery.usgs.gov/videos/348

Describes construction of a segment of mountain bike trail network near Hailey, Idaho using American Recovery and Reinvestment Act funds.

Sea-Level Rise, Subsidence, and Wetland Loss

Title: Sea-Level Rise, Subsidence, and Wetland Loss
Runtime: 9:45
Date posted: 16 years ago
Description: More information on the USGS Multimedia Gallery: http://gallery.usgs.gov/videos/347

This video describes causes of wetland loss in the Mississippi River Delta. Rapid land subsidence due to sediment compaction and dewatering increases the rate of submergence in this deltaic system. The construction of levees along the lower Mississippi River also has reduced delivery of sediments to coastal wetlands, which have been deteriorating as soil surfaces sink and wetland plants are subjected to excessive flooding. Other factors that have contributed to land loss include construction of canals and periodic hurricanes. Sea-level rise can lead to movement of saltwater inland, but coastal plants tolerate salinity through several morphological and physiological mechanisms. The causes of wetland loss are complex and not the result of any single factor. Natural and anthropogenic factors have combined with global processes such as sea level rise to cause wetland loss in the Mississipp...

Title: Climate Connections: Promo Video
Runtime: 1:21
Date posted: 16 years ago
Description: USGS CoreCast Episode 142 (http://usgs.gov/corecast)

America has questions about climate change, and the USGS has real answers. Climate Connections is a USGS video series in which some of the world's leading scientists answer climate change questions gathered across the Nation.

Scientific Diving: Invasive Species Research at Flathead Lake Montana

Title: Scientific Diving: Invasive Species Research at Flathead Lake Montana
Runtime: 9:10
Date posted: 16 years ago
Description: More information on the USGS Multimedia Gallery: http://gallery.usgs.gov/videos/345

USGS - GLSC SCUBA divers search Flathead Lake, MT for zebra mussels after water quality samples detected the presence of a larval stage. The dive team did not find evidence of adult zebra mussels.

Forecast Mekong: Navigating Changing Waters (Vietnamese)

Title: Forecast Mekong: Navigating Changing Waters (Vietnamese)
Runtime: 9:31
Date posted: 16 years ago
Description: More information on the USGS Multimedia Gallery: http://gallery.usgs.gov/videos/344

The video is a form of science diplomacy requested by the U.S. Department of State to educate policy-makers and citizens in Southeast Asia about the vital importance of the Mekong river and delta in maintaining food security and livelihoods in the region. The video also seeks to make policy-makers aware of the potential impacts of climate change on people and the environment of the Mekong delta.

Forecast Mekong: Navigating Changing Waters (Thai)

Title: Forecast Mekong: Navigating Changing Waters (Thai)
Runtime: 10:38
Date posted: 16 years ago
Description: More information on the USGS Multimedia Gallery: http://gallery.usgs.gov/videos/343

The video is a form of science diplomacy requested by the U.S. Department of State to educate policy-makers and citizens in Southeast Asia about the vital importance of the Mekong river and delta in maintaining food security and livelihoods in the region. The video also seeks to make policy-makers aware of the potential impacts of climate change on people and the environment of the Mekong delta.

Forecast Mekong: Navigating Changing Waters (Lao)

Title: Forecast Mekong: Navigating Changing Waters (Lao)
Runtime: 11:48
Date posted: 16 years ago
Description: More information on the USGS Multimedia Gallery: http://gallery.usgs.gov/videos/342

The video is a form of science diplomacy requested by the U.S. Department of State to educate policy-makers and citizens in Southeast Asia about the vital importance of the Mekong river and delta in maintaining food security and livelihoods in the region. The video also seeks to make policy-makers aware of the potential impacts of climate change on people and the environment of the Mekong delta.

Forecast Mekong: Navigating Changing Waters (Khmer)

Title: Forecast Mekong: Navigating Changing Waters (Khmer)
Runtime: 14:05
Date posted: 16 years ago
Description: More information on the USGS Multimedia Gallery: http://gallery.usgs.gov/videos/341

The video is a form of science diplomacy requested by the U.S. Department of State to educate policy-makers and citizens in Southeast Asia about the vital importance of the Mekong river and delta in maintaining food security and livelihoods in the region. The video also seeks to make policy-makers aware of the potential impacts of climate change on people and the environment of the Mekong delta.

Title: USGS Compared To What?
Runtime: 5:41
Date posted: 16 years ago
Description: More information on the USGS Multimedia Gallery: http://gallery.usgs.gov/videos/340

The video relates how a team of scientists conducted rapid response sampling of coastal environments before any oil had reached land, following up in October 2010 with post-landfall sampling for comparison. USGS hydrologist Dennis Demcheck describes details of the work and explains the importance and value of having pre-landfall data for assessing impacts of the oil spill.

Corals: A 50-Year Photographic Record of Changes

Title: Corals: A 50-Year Photographic Record of Changes
Runtime: 2:26
Date posted: 16 years ago
Description: More information on the USGS Multimedia Gallery: http://gallery.usgs.gov/videos/334

This video podcast highlights 50 years of photographic documentation of coral reefs in the Florida Keys. The photographs show 5 decades of changes that have taken place in both the size and the types of corals that were present at several coral reef sites from the early 1960s to today. The images capture events such as the appearance of coral disease and the die off of coral species like staghorn in the region.

Title: Caldera Demonstration Model
Runtime: 2:13
Date posted: 16 years ago
Description: More information on the USGS Multimedia Gallery: http://gallery.usgs.gov/videos/333

A caldera is a large, usually circular volcanic depression formed when magma is withdrawn or erupted from a shallow underground magma reservoir. It is often difficult to visualize how calderas form. This simple experiment using flour, a balloon, tubing, and a bicycle pump, provides a helpful visualization for caldera formation.

The Mississippi Embayment - Declining Water Levels in a Deep Aquifer

Title: The Mississippi Embayment - Declining Water Levels in a Deep Aquifer
Runtime: 0:13
Date posted: 16 years ago
Description: Visit: http://gallery.usgs.gov/videos/331 for more information.

The USGS recently constructed a computer model of groundwater in the Mississippi embayment. This model was used to simulate the rise or decline of water level in a deep aquifer. Water from this deep aquifer is utilized to meet the industrial and public supply needs in the area. In the animation, groundwater levels decline more than 400 feet from 1870 to 2007 in some areas of the deep middle Claiborne aquifer in Arkansas and Louisiana. When pumping is forecast to 2038, based on trends of past pumping amounts and climatic variations, areas of water level declines from 100 to 200 feet expand throughout Arkansas, Tennessee, and Mississippi.

The Mississippi Embayment - Declining Water Levels in a Shallow Aquifer

Title: The Mississippi Embayment - Declining Water Levels in a Shallow Aquifer
Runtime: 0:13
Date posted: 16 years ago
Description: Visit: http://gallery.usgs.gov/videos/330 for more information.

The USGS recently constructed a computer model of groundwater in the Mississippi embayment. This model was used to simulate the rise or decline of water level in a shallow aquifer. Water from this shallow aquifer is utilized by the agricultural based economy in the area. In the animation, groundwater levels decline more than 100 feet from 1870 to 2007 in some areas of the shallow Mississippi River Valley alluvial aquifer in Arkansas. When pumping is forecast to 2038, based on trends of past pumping amounts and climatic variations, areas with water level declines of more than 100 feet expand, extending into Missouri and Mississippi.

Title: Fog Over Yellowstone Lake
Runtime: 0:14
Date posted: 16 years ago
Description: Visit: http://gallery.usgs.gov/videos/328 for more information.

Fog turns to sun over Yellowstone Lake, as revealed by this time-lapse view from the YVO mobile webcam at Lake Butte, Yellowstone National Park.

Title: Elk Halloween Party at Lake Butte
Runtime: 3:21
Date posted: 16 years ago
Description: Visit: http://gallery.usgs.gov/videos/328 for more information.

Elk browse, rest, wander and grunt, as viewed from the YVO mobile webcam at Lake Butte, Yellowstone National Park.

Title: EARTH SCIENCE CAREERS: NOT JUST ROCKS
Runtime: 14:32
Date posted: 16 years ago
Description: Visit: http://gallery.usgs.gov/videos/327 for more information.

This video provides an overview of several Earth Science career fields within the U.S. Geological Survey. After watching this program, viewers will have an understanding of the types of work experiences, environments, expertise, and education a typical USGS employee may have. Following a brief history of the USGS, the program features several interviews with USGS employees in which they relate how they became interested in their chosen Earth Science field and how they apply their education and background to their work at the USGS.

Forecast Mekong: Navigating Changing Waters

Title: Forecast Mekong: Navigating Changing Waters
Runtime: 9:09
Date posted: 16 years ago
Description: Visit: http://gallery.usgs.gov/videos/267 for more information.

The video is a form of science diplomacy requested by the U.S. Department of State to educate policy-makers and citizens in Southeast Asia about the vital importance of the Mekong river and delta in maintaining food security and livelihoods in the region. The video also seeks to make policy-makers aware of the potential impacts of climate change on people and the environment of the Mekong delta.

Title: Walruses at Point Lay
Runtime: 2:06
Date posted: 16 years ago
Description: Visit: http://gallery.usgs.gov/videos/307 for more information.

During the course of our research on walruses hauled out near Point Lay in early September, USGS obtained aerial video footage of the walrus aggregation. This footage was taken from an altitude of 4,000' with a Cineflex camera by Daniel Zatz, of Zatzworks, on contract to USGS for this work. We are exploring the potential of this type of video for enumerating the numbers of walruses hauled out, as well as the sex and age composition of the herds. This first effort was a pilot to test methodology. Recognizing the broad public interest in seeing what is going on at Point Lay right now, we have arranged to make the video publicly available. Please distribute as you see fit.

Stormwater, Impervious Surface, and Stream Health

Title: Stormwater, Impervious Surface, and Stream Health
Runtime: 9:41
Date posted: 16 years ago
Description: Visit: http://gallery.usgs.gov/videos/298 for more information.

Urban development is associated with an increase in impervious surfaces, that is, surfaces such as rooftops, sidewalks, and streets that prevent precipitation from infiltrating into the groundwater. Impervious surfaces increase the volume and energy of stormwater that reaches streams and can lead to adverse physical and water quality impacts, including erosions and increased nutrient runoff. In this video USGS scientist Tom Cuffney and Tom Schueler, director of the Chesapeake Stormwater Network, discuss the effects of impervious surfaces on stream health.

In Harm's Way: Measuring Storm Impacts to Forecast Future Vulnerability

Title: In Harm's Way: Measuring Storm Impacts to Forecast Future Vulnerability
Runtime: 5:47
Date posted: 16 years ago
Description: Visit: http://gallery.usgs.gov/videos/297 for more information.

This video podcast looks at the science behind understanding coastal vulnerability and hazards posed by extreme storms. It documents how USGS scientists study the response of coastal environments to the extreme winds, waves, and currents brought by such storms.

Title: Elk Licked My Webcam
Runtime: 2:38
Date posted: 16 years ago
Description: Visit: http://gallery.usgs.gov/videos/295 for more information.

The Yellowstone Volcano Observatory has a new mobile webcam that can be moved to various places of interest relevant to geologic hazards at Yellowstone National Park.

Title: SHARQ
Runtime: 4:10
Date posted: 16 years ago
Description: Visit: http://gallery.usgs.gov/videos/230 for more information.

The Submersible Habitat for Analyzing Reef Quality (SHARQ) is a new tool scientists use to understand and map metabolic characteristics associated with marine communities living on the sea floor. This podcast gives a closer look at how scientists use SHARQ to analyze important habitats like coral reefs.

U.S. - Canada Arctic Expedition Surveying the Extended Continental Shelf

Title: U.S. - Canada Arctic Expedition Surveying the Extended Continental Shelf
Runtime: 8:33
Date posted: 16 years ago
Description: Visit: http://gallery.usgs.gov/videos/268 for more information.

American and Canadian scientists head north on a collaborative expedition to map the Arctic seafloor and gather data to help define the outer limits of the continental shelf. Each coastal nation may exercise sovereign rights over the natural resources of their continental shelf.

Tsunami Preparedness along the West Coast, USA

Title: Tsunami Preparedness along the West Coast, USA
Runtime: 10:09
Date posted: 16 years ago
Description: Visit: http://gallery.usgs.gov/videos/279 for more information.

Tsunami Preparedness explains how and why tsunamis occur, how to know that a tsunami is approaching, and what you should do. These issues are addressed by scientists, emergency managers, and first responders.

Produced by the US Geological Survey.
Project coordinated by Walter D. Mooney (USGS, Menlo Park)
Filmed and edited by Justine Gesell (USGS, Menlo Park) and Kurt Loeffler (USGS, Menlo Park)

Funded by California Emergency Management Agency (CalEMA), US Geological Survey (USGS), and Pacific Gas and Electric (PG&E)

Tsunami Preparedness in Southern California, USA

Title: Tsunami Preparedness in Southern California, USA
Runtime: 7:42
Date posted: 16 years ago
Description: Visit: http://gallery.usgs.gov/videos/278 for more information.

Tsunamis are a constant threat to the coasts of our world. Although tsunamis are infrequent along the California coast, it is possible and necessary to prepare for potential tsunami hazards to minimize loss of life and property. Community awareness programs are important, as they strive to create an informed society by providing education and training. Information and knowledge is the key to achieving (social) change.

This video about tsunami preparedness along the coast of Southern California distinguishes between a local tsunami and a distant event and focuses on the specific needs of this region. It offers guidelines for correct tsunami response and community preparedness from local emergency managers, first-responders, and leading experts on tsunami hazards and warnings who have been working on ways of making the tsunami affected regions safer for the people and communities on a long-term ...

Tsunami Preparedness in Northern California, USA

Title: Tsunami Preparedness in Northern California, USA
Runtime: 7:38
Date posted: 16 years ago
Description: Visit: http://gallery.usgs.gov/videos/277 for more information.

Tsunamis are a constant threat to the coasts of our world. Although tsunamis are infrequent along the California coast, it is possible and necessary to prepare for potential tsunami hazards to minimize loss of life and property. Community awareness programs are important, as they strive to create an informed society by providing education and training. Information and knowledge is the key to achieving (social) change.

This video about tsunami preparedness along the coast of Northern California distinguishes between a local tsunami and a distant event and focuses on the specific needs of this region. It offers guidelines for correct tsunami response and community preparedness from local emergency managers, first-responders, and leading experts on tsunami hazards and warnings who have been working on ways of making the tsunami affected regions safer for the people and communities on a long-term ...

Tsunami Preparedness in Central California, USA

Title: Tsunami Preparedness in Central California, USA
Runtime: 7:25
Date posted: 16 years ago
Description: Visit: http://gallery.usgs.gov/videos/276 for more information.

Tsunamis are a constant threat to the coasts of our world. Although tsunamis are infrequent along the California coast, it is possible and necessary to prepare for potential tsunami hazards to minimize loss of life and property. Community awareness programs are important, as they strive to create an informed society by providing education and training. Information and knowledge is the key to achieving (social) change.

This video about tsunami preparedness along the coast of Central California distinguishes between a local tsunami and a distant event and focuses on the specific needs of this region. It offers guidelines for correct tsunami response and community preparedness from local emergency managers, first-responders, and leading experts on tsunami hazards and warnings who have been working on ways of making the tsunami affected regions safer for the people and communities on a long-term b...

Title: Sustainable Energy Resources in India
Runtime: 7:38
Date posted: 16 years ago
Description: Visit: http://gallery.usgs.gov/videos/280 for more information.

As one of the most populous countries in the world, India faces an energy crisis. Daily energy demands often exceed local production capacity. Solutions to this challenge may be found in the development of wind, solar, biomass, hydropower and nuclear energy. These sustainable sources of energy may gradually replace energy derived form hydrocarbons. Future energy resources in India are discussed by both scientific experts and ordinary citizens. As an ancient civilization that has overcome countless challenges, the energy solutions adopted in India are an example of how other countries can meet their future energy needs.

Indian Ocean Tsunami Warning System (IOTWS)

Title: Indian Ocean Tsunami Warning System (IOTWS)
Runtime: 7:42
Date posted: 16 years ago
Description: Visit: http://gallery.usgs.gov/videos/286 for more information.

This video gives a brief overview of the U.S. Program for the Indian Ocean Tsunami Warning System.
It includes footage of the deployment of the first Indian Ocean Tsunami Detection (DART) buoy in December 2006, of a simulation exercise in Padang, Indonesia, a training course in seismology that took place in 2007, as well as interviews with scientists.
The program was funded by USAID.

Filmed by Walter D. Mooney (USGS, Menlo Park)
Edited by Justine Gesell (USGS, Menlo Park)

Indonesian Capacity Building in Seismology and Tsunami Detection

Title: Indonesian Capacity Building in Seismology and Tsunami Detection
Runtime: 7:38
Date posted: 16 years ago
Description: Visit: http://gallery.usgs.gov/videos/284 for more information.

The December 2004 Indian Ocean Tsunami was one of the deadliest natural disasters of modern history, killing over 225,000 people. As a result of this catastrophe, the U.S. Geological Survey has partnered with the international community to create an Indian Ocean Tsunami Warning System (IOTWS). An important aspect of this work is the training of employees of the Indonesian Meteorological, Climate, and Geophysical Agency (BMKG). This movie presents an overview of the training courses held in Indonesia and what has been accomplished since 2004.

The Padang, Indonesia Earthquake of 2009

Title: The Padang, Indonesia Earthquake of 2009
Runtime: 6:48
Date posted: 16 years ago
Description: Visit: http://gallery.usgs.gov/videos/283 for more information.

On September 30, 2009 a M7.6 earthquake struck off the west coast of Sumatra, Indonesia, near the cities of Padang and Pariaman, affecting an area with a population of 1.2 million people. The Indonesian government estimates that the earthquake caused 1,195 deaths and significant damage to around 140,000 houses and 4,000 buildings. Most of the casualties were due to building damage and collapse in Padang and landslides in the outlying mountain regions.

Natural Resources and Hazards of Thailand

Title: Natural Resources and Hazards of Thailand
Runtime: 8:21
Date posted: 16 years ago
Description: Visit: http://gallery.usgs.gov/videos/275 for more information.

This film presents a summary of the natural hazards and resources of Thailand. It explores the different types of hazards that Thailand needs to be prepared for: flooding, drought, storm surges, earthquakes, and tsunamis. This film also presents the Thai Meteorological Department that monitors and reports earthquake and tsunami activity. Finally, this film discusses the many natural resources of Thailand.

Title: Natural Hazards of Hong Kong
Runtime: 6:03
Date posted: 16 years ago
Description: Visit: http://gallery.usgs.gov/videos/273 for more information.

This film presents a summary of the natural hazards of Hong Kong. Such natural hazards include earthquakes, typhoons, tsunamis, and landslides.

Hayward Fault - A virtual tour demonstration

Title: Hayward Fault - A virtual tour demonstration
Runtime: 5:31
Date posted: 16 years ago
Description: Visit: http://gallery.usgs.gov/videos/269 for more information.

A virtual tour of the 1868 Hayward Earthquake in Google Earth.

Wenchuan (Sichuan) China Earthquake filmed by Yingying Huang

Title: Wenchuan (Sichuan) China Earthquake filmed by Yingying Huang
Runtime: 4:34
Date posted: 16 years ago
Description: Visit: http://gallery.usgs.gov/videos/272 for more information.

This film depicts the effects of the Wenchuan Earthquake in China on May 12, 2008. This was filmed May 23-26, 2008 in Sichuan by Yingying Huang. The film captures the devastation of the Wenchuan Earthquake as experienced by the local population, as well as effects on the buildings and monuments.

The Afghanistan Reconstruction and Assessment Program

Title: The Afghanistan Reconstruction and Assessment Program
Runtime: 7:48
Date posted: 16 years ago
Description: Visit: http://gallery.usgs.gov/videos/270 for more information.

A short overview of the work involved in the Afghanistan Reconstruction and Assessment Program. It includes footage of the first USGS training course in Modern Earthquake Hazard Assessments in December 2006 and personal accounts from Afghan scientists.

Effects of Urbanization on Stream Ecosystems

Title: Effects of Urbanization on Stream Ecosystems
Runtime: 4:24
Date posted: 16 years ago
Description: More videos and information at http://www.usgs.gov/corecast/details.asp?ep=127

Development can have negative effects on streams in urban and suburban areas. As a watershed becomes covered with pavement, sidewalks, and other types of urban land cover, stream organisms are confronted with an increased volume of storm water runoff, increased exposure to fertilizers and pesticides, and dramatic changes in physical living spaces within the stream itself. In this episode, USGS scientist Jerry McMahon describes two take home messages for managers.

Coastal Louisiana: Impacts of Hurricanes on Salt Marsh and Mangrove Wetlands

Title: Coastal Louisiana: Impacts of Hurricanes on Salt Marsh and Mangrove Wetlands
Runtime: 7:19
Date posted: 16 years ago
Description: Visit: http://gallery.usgs.gov/videos/258 for more information.

This video describes research conducted by Dr. Karen McKee, USGS Research Ecologist, and her university partners, Dr. Irv Mendelssohn (Louisiana State University) and Dr. Mark Hester (University of Louisiana). They are studying the effects of hurricanes on marsh and mangrove wetlands in the Mississippi River Delta, which contains over 40% of the U.S. wetlands in the lower 48 states. Although hurricanes can have devastating effects on human communities, they may provide nourishing sediment to subsiding wetlands. This video describes an investigation to determine how much storm sediment from Hurricane Gustav (2008) was deposited in marsh and mangrove stands and if these different types of vegetation influence sediment capture. McKee and colleagues carried out their research by helicopter, which is the only way to sample the vast wetlands in coastal Louisiana. The results of their investigation will lead to a b...

Effects of Sea-Level Rise on Coastal Wetlands in the Mississippi Delta

Title: Effects of Sea-Level Rise on Coastal Wetlands in the Mississippi Delta
Runtime: 8:22
Date posted: 16 years ago
Description: Visit: http://gallery.usgs.gov/videos/257 for more information.

This video describes research being conducted by Dr. Karen McKee, USGS Research Ecologist, and her university partner, Dr. Julia Cherry. Their goal is to better understand the effects of sea-level rise and other global change factors on coastal wetlands in the Mississippi River Delta. This region contains over 40% of the U.S. wetlands in the lower 48 states These wetlands support commercial fisheries, provide habitat for waterfowl and wildlife, and act as storm buffers, protecting several important ports and cities such as New Orleans McKee and Cherry are conducting field and greenhouse experiments to quantify how plant productivity contributes organic matter to vertical soil building, which helps to counterbalance sea-level rise. They are also investigating how elevated concentrations of carbon dioxide in the atmosphere may stimulate plant production and help marshes build vertically and avoid submergence. ...

High Flow on the North Fork Payette River, Idaho

Title: High Flow on the North Fork Payette River, Idaho
Runtime: 1:06
Date posted: 16 years ago
Description: Field measurements at about 4;00 p.m. on Wednesday, June 9, 2010 at gage 13246000, North Fork Payette River near Banks, Idaho. Measured discharge was at 7,500 cfs. Beginning the weekend of June 3-4, the Payette rose quickly to above flood stage. The peak of record for this gage is 8,830 cfs, recorded May 11, 1947.

Title: High Flow on the North Fork Payette River, Idaho
Runtime: 0:32
Date posted: 16 years ago
Description: Field measurements at about 4;00 p.m. on Wednesday, June 9, 2010 at gage 13246000, North Fork Payette River near Banks, Idaho. Measured discharge was at 7,500 cfs. Beginning the weekend of June 3-4, the Payette rose quickly to above flood stage. The peak of record for this gage is 8,830 cfs, recorded May 11, 1947.

Title: Activity within Pu`u `Ö `ö
Runtime: 1:17
Date posted: 16 years ago
Description: This movie shows video taken during today's field visit and overflight. The first portion of the video is taken at the rim of Pu`u `Ö `ö crater, and shows the north vent feeding the lava pond. The lava surface undulates due to rising gas bubbles, and a small overturn is triggered. The second portion of the video shows an open stream of lava at the summit of one of the rootless shields on the Quarry flow.

Learn more about this volcano and other Hawaiian volcanic activity at the USGS Hawaiian Volcano Observatory website. (http://hvo.wr.usgs.gov)

Thermal View of Active Lava Pond within Pu`u `Ö `ö

Title: Thermal View of Active Lava Pond within Pu`u `Ö `ö
Runtime: 0:24
Date posted: 16 years ago
Description: This movie shows the active lava pond within Pu`u `Ö `ö crater, imaged with a thermal camera. The video is shown at x60 speed, and covers about 25 minutes. Lava is being supplied to the crater from two vents, one visible in the upper right corner of the image and one out of view in the lower left. Crustal foundering events, in which a section of the thin surface crust ruptures and sinks, exposing the hot interior of the pond, are common. This view is towards the north.

Learn more about this volcano and other Hawaiian volcanic activity at the USGS Hawaiian Volcano Observatory website. (http://hvo.wr.usgs.gov)

Title: Thermal View of Halema`uma`u Vent
Runtime: 0:56
Date posted: 16 years ago
Description: This video is from a thermal camera looking into the vent cavity at Halema`uma`u around 3pm today. The video is shown at x4 speed. At the beginning of the clip, the lava level is at a high stand, with slowly migrating crustal plates and little spattering. Eventually, small scale spattering begins in the northeast corner of the pond, accompanied by vigorous degassing. As the violent spattering disrupts the surface crust, the lava level falls as the gas volume is released. In this example, the lava level dropped about 30 meters (100 feet).

Learn more about this volcano and other Hawaiian volcanic activity at the USGS Hawaiian Volcano Observatory website. (http://hvo.wr.usgs.gov)

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