Regions

Scientist Leanne Hanson launching an unmanned aircraft in 2014 to help with a study.

East-facing cliff approximately 30 meters downstream from Farm Ford along Bull Run in Manassas National Battlefield Park, Virginia.

The R/V Kaho in Lake Ontario. The Kaho is stationed at the Lake Ontario Biological Station in Oswego, NY.

Sea Lamprey at the Hammond Bay Biological Statioin in Millersburg, MI

A storm on the horizon of a grassy meadow in western Nebraska. 

Ice formation looking upstream on the Knife River at Manning, North Dakota (U.S. Geological Survey streamgage 06339100;
https://waterdata.usgs.gov/nd/nwis/inventory/?site_no=06339100&agency_cd=USGS&). Flow was 2.5 cubic feet per second.

This view is looking south to the Dismal River from the U.S. Highway 83 scenic overlook south of Thedford, Nebraska.

During the summer of 2013, the Nebraska Sandhills exhibited a unusually significant sunflower emergence probably triggered by environmental conditions from the preceeding 2012 drought. Also, the Eastern Red Cedar is a particularly agressive invasive species which has become well established in Nebraska.

The Dismal River valley is far from "dismal." Set in the Nebraska Sandhills, this idyllic river is relatively unaffected by humans and a popular recreational river in the state. The invasive species Eastern Red Cedar has become well established in Nebraska.

This image, which shows the tropical estuary of the Ord River in Australia, is part of the Earth as Art 4 series. 

A series of time-lapse photographs capture rapid water-level fluctuations in the vicinity of Wildwood Islands in the Sheboygan River, 4.4 km upstream of Lake Michigan near Sheboygan, Wis. The fluctuations are caused the interaction of seiche-related oscillations from Lake Michigan with river flows.