Instrument piers at Deadhorse geomagnetic observatory.
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Deadhorse Geomagnetic Observatory
Instrument piers at Deadhorse geomagnetic observatory.
Deadhorse Geomagnetic Observatory
Both buildings at Deadhorse geomagnetic observatory.
Both buildings at Deadhorse geomagnetic observatory.
Deadhorse Geomagnetic Observatory
GOES antenna at Deadhorse geomagnetic observatory.
GOES antenna at Deadhorse geomagnetic observatory.
Deadhorse Geomagnetic Observatory
Main building at Deadhorse geomagnetic observatory.
Main building at Deadhorse geomagnetic observatory.
Low-density Waterfowl in California Wetlands
Waterfowl in California can spread the avian influenza virus (AIv) during summertime when wetland temperatures are warm and waterfowl densities are low.
Waterfowl in California can spread the avian influenza virus (AIv) during summertime when wetland temperatures are warm and waterfowl densities are low.
Deadhorse Geomagnetic Observatory
Main building at Deadhorse geomagnetic observatory in summer.
Main building at Deadhorse geomagnetic observatory in summer.
Deadhorse Geomagnetic Observatory
Fluxgate sensor at Deadhorse geomagnetic observatory.
Fluxgate sensor at Deadhorse geomagnetic observatory.
Deadhorse Geomagnetic Observatory
Main building at Deadhorse geomagnetic observatory.
Main building at Deadhorse geomagnetic observatory.
Low-density Waterfowl in California Wetlands
Waterfowl in California can spread the avian influenza virus (AIv) during summertime when wetland temperatures are warm and waterfowl densities are low.
Waterfowl in California can spread the avian influenza virus (AIv) during summertime when wetland temperatures are warm and waterfowl densities are low.
Deadhorse Geomagnetic Observatory
Absolutes pier at Deadhorse geomagnetic observatory.
Absolutes pier at Deadhorse geomagnetic observatory.
Receding Shoreline
Receding shoreline on the east side of the Salton Sea, California.
Receding shoreline on the east side of the Salton Sea, California.
Salton Sea Eastern Shorline
Salton Sea eastern shorline.
Salton Sea eastern shorline.
Cannonball River
Cannonball River at Breien, North Dakota.
Cannonball River at Breien, North Dakota.
Cladophora Along Lake Michigan
Large patches of Cladophora, a green algae, lining the shore of Lake Michigan. Accumulation of Cladophora in shoreline waters is believed to be linked to avian botulism outbreaks, which have recently increased in the Great Lakes.
Large patches of Cladophora, a green algae, lining the shore of Lake Michigan. Accumulation of Cladophora in shoreline waters is believed to be linked to avian botulism outbreaks, which have recently increased in the Great Lakes.
Burrowing Owls Nesting
Birds found in and around the Salton Sea, California.
Birds found in and around the Salton Sea, California.
Examining 2008 Eruption of Okmok Volcano in Alaska
Examining 2008 Eruption of Okmok Volcano in AlaskaProfessor Michael Ort (Northern Arizona University) and graduate student Joel Unema examine deposits from the 2008 eruption of Okmok volcano in Alaska as part of their research to reconstruct the complex history of the eruption. Dr.
Examining 2008 Eruption of Okmok Volcano in Alaska
Examining 2008 Eruption of Okmok Volcano in AlaskaProfessor Michael Ort (Northern Arizona University) and graduate student Joel Unema examine deposits from the 2008 eruption of Okmok volcano in Alaska as part of their research to reconstruct the complex history of the eruption. Dr.
Kilauea Lava FLows Advance Toward Kalapana
In July 2010, lava erupted from Kilauea Volcano's east rift zone burned vegetation on the coastal plain as active flows advanced toward Kalapana Gardens, the same area inundated by lava flows in 1990. Two homes in the subdivision were destroyed by lava in 2010 -- one in July and one in November.
In July 2010, lava erupted from Kilauea Volcano's east rift zone burned vegetation on the coastal plain as active flows advanced toward Kalapana Gardens, the same area inundated by lava flows in 1990. Two homes in the subdivision were destroyed by lava in 2010 -- one in July and one in November.
Scorched Earth
Scorched ground extended out beyond the flow margins, as the lava triggered small fires that consumed adjacent grass and underbrush.
Scorched ground extended out beyond the flow margins, as the lava triggered small fires that consumed adjacent grass and underbrush.
Active Lava Flow
Flows continue to be active south of the Kalapana access road, heading in a generally eastward direction. These breakouts were active just a few hundred meters east of the County lava viewing area.
Flows continue to be active south of the Kalapana access road, heading in a generally eastward direction. These breakouts were active just a few hundred meters east of the County lava viewing area.
Great Lakes Beach with Chicago Skyline
Example of nearshore, coastal waters at risk of contamination by anthropogenic inputs.
Example of nearshore, coastal waters at risk of contamination by anthropogenic inputs.
Red Hill Bay Snags
Red Hill Bay Marina snags, Salton Sea, California.
Red Hill Bay Marina snags, Salton Sea, California.