USGS Multimedia Gallery
Biologic and Environmental Contamination
Items related to the introduction of harmful substances into the environment by human action or natural processes.
Display OptionsSets in this Collection
|
As thumbs: <iframe id="photothumbs" name="photothumbs" height="420" width="600" frameborder="0" scrolling="auto" title="Biologic_and_Environmental_Contamination" src="http://gallery.usgs.gov/photo_shares/thumbs/collections/Biologic_and_Environmental_Contamination/">[This content is contained within an inline frame. You can also <a href="http://gallery.usgs.gov/photo_shares/thumbs/collections/Biologic_and_Environmental_Contamination/">access it directly</a>.]</iframe> As a list:<iframe id="photolist" name="photolist" height="420" width="600" frameborder="0" scrolling="auto" title="Biologic_and_Environmental_Contamination" src="http://gallery.usgs.gov/photo_shares/list/collections/Biologic_and_Environmental_Contamination/">[This content is contained within an inline frame. You can also <a href="http://gallery.usgs.gov/photo_shares/list/collections/Biologic_and_Environmental_Contamination/">access it directly</a>.]</iframe>
Testing Coal-Tar Sealcoats for Toxic PAH Emissions
USGS scientists prepare a sampler used to measure emission of polycyclic aromatic carbons (PAHs) into the air.... 
Testing Coal-Tar Sealcoats for Toxic PAH Emissions
A professional applicator applies coal-tar-based sealcoat to a test plot used to measure emission of polycyclic aromatic carbons (PAHs) into the air....
Testing Coal-Tar Sealcoats for Toxic PAH Emissions
A professional applicator applies coal-tar-based sealcoat to a test plot used to measure emission of polycyclic aromatic carbons (PAHs) into the air....
Testing Coal-Tar Sealcoats for Toxic PAH Emissions
A USGS scientist adjusts an air pump used to measure emission of polycyclic aromatic carbons (PAHs) into the air....
Coal-tar Sealcoat
USGS scientist Peter Van Metre examines a parking lot where coal-tar sealcoat has been applied....
The Effects of Human Activity versus Natural Processes on U.S. Soil
Suzanne Nicholson, USGS, collecting soil at one of the sites in New Jersey, on the coast of the Atlantic Ocean just south of Atlantic City. The USGS is completing a low-density soil geochemical and mineralogical survey for the conterminous U.S., which is needed as baseline data for environmental inv...
A Saharan Dust Storm Over the Atlantic Ocean
A large Saharan dust storm leaves the West African coast to move over the Atlantic Ocean and cover downwind islands. Courtesy Moderate Resolution Imaging Spectroradiometer (MODIS) aboard NASA's Terra satellite on March 2004. ...
Ready for Action
This photo shows a snow plow and road salt application truck that is used to clear snow and ice from roadways for improving traffic and pedestrian safety. The use of salt to deice pavement can be harmful to aquatic life in urban streams. The USGS is involved in studies that focus on the influence of...
Mountain of Salt
This photo shows a road salt storage stockpile that is awaiting use for pavement deicing, Port of Milwaukee, WI. The use of salt to deice pavement can be harmful to aquatic life in urban streams. The USGS is involved in studies that focus on the influence of winter runoff on aquatic ecosystems....
Sea turtle Nest, East Key, Dry Tortugas National Park
Low-lying loggerhead sea turtle nest that may be subject to inundation by sea water....
Processing Emerging-Contaminants Bed-Sediment Sample
John Clune and Connie Loper, PA Water Science Center, processing an emerging-contaminants bed-sediment sample at Rock Creek near Gettysburg, PA....
Collecting Emerging-Contaminants Bed-Sediment Sample
John Clune, PA Water Science Center, collecting an emerging-contaminants bed-sediment sample at the Susquehanna River at Danville,PA....
Processing Emerging-Contaminants Bed-Sediment Sample
John Clune, PA Water Science Center, processing an emerging-contaminants bed-sediment sample at Lititz Run....
Bacteria Keep Out! The Benefits of Producing Mucilage
Microcystis ehrenbergii epifluorescence microscopy and stained with Sytox Green (a DNA stain that is excluded from live cells). Bacterial cells on the outer mucilaginous sheath of this colony show as bright green dots....
What's In My Water?
This cyanobacterium has radiating filaments and basal heterocysts. Green is Sytox Green (a DNA stain that is excluded from live cells)....
2007 WARP Model Estimates of Maximum 21-Day Moving-Average Atrazine Concentrations in Streams
This illustration is a map of the U.S. showing 2007 WARP model estimates of atrazine concentrations in streams. The colors on the map refer to the estimated maximum 21-day moving-average concentrations (micrograms per liter) of atrazine....
Collecting parking lot sealant samples
USGS scientist Barbara Mahler uses a special vacuum (a model HVS3 High Volume Surface Sampler) to collect dust samples to be evaluated for contaminants....
Radiograph: Bald Eagle
Radiograph of immature bald eagle containing numerous lead shot in its digestive tract (Jacobson et al. 1977)....
Lead Shot in the Fall Zone
Lead shot in the fall zone at the Broadkiln Sportsman's Club (quarter-coin for scale)....
Pelican Stomach: Injested Objects
Brown pelican stomach with ingested jig head, hooks, and line....
|
||
U.S. Department of the Interior |
U.S. Geological Survey
URL: http://www.usgs.gov/collections/default.asp?coll=Biologic_and_Environmental_Contaminationlistas=listp=_CurPage=1
Page Contact Information: Image Gallery Webmaster
Page Last Modified: Wednesday, January 09, 2013
