La fuga tuvo lugar en una sección pre-existente del oleoducto Keystone. Este es el cuarto derrame del oleoducto en 9 años.
wetlands
Posted inResearch Spotlights
Rising Seas and Agriculture Created Wetlands Along the U.S. East Coast
Most of the tidal marshes along the eastern coast of the United States formed within the past 6,000 years due to a combination of slowly rising seas and European colonization.
Posted inNews
Chicago Wetlands Shrank by 40% During the 20th Century
A team of graduate students measured wetland and biodiversity changes during the 100 years following the reversal of the Chicago River.
Posted inEditors' Highlights
Coastal Sediment Deficit Appears Smaller Than Previously Thought
With a deficit of sediment needed to compensate for relative sea level rise, a new study demonstrates that organic material cannot be ignored in evaluating mass and volume accumulation rates.
Posted inEditors' Highlights
Downhill from Here: Landscape Positions and Greenhouse Emissions
In comparing soils from two tundra wetland landscape positions, landscape position is found to matter, and toeslopes are associated with higher greenhouse gas production.
Posted inEditors' Highlights
Soil Carbon May Not Remain Bogged Down in a Warmer World
Carbon was lost from an experimentally warmed boreal peatland much faster than it took to accumulate. Elevated CO2 had little effect on stored carbon, requiring re-evaluation of model assumptions.
Posted inResearch Spotlights
Marine Nitrous Oxide Emissions off Northwest Europe
Continental shelves and estuaries are natural sources of nitrous oxide, but current global estimates of these emissions carry a lot of uncertainty, a problem that calls for regional studies.
Posted inFeatures
Lost in the Everglades
Living in Geologic Time: An unintentional adventure in the River of Grass shows how Florida has changed dramatically over 15,000 years of human habitation.
Posted inNews
Coastal Wetlands Save $1.8 Million per Year for Each Square Kilometer
The protective value of a plot of wetlands varies widely based on the county it shields from storm-related property damage.
Posted inEditors' Highlights
Representing Estuaries and Braided Rivers as Channel Networks
The human eye is quite good at identifying channel networks among the rich patterns exhibited by estuaries and braided rivers, but computers have a harder time doing so. Could they do better?