Clear lake water under highly polluted conditions might necessitate a rethink of water management policies and pollutant mitigation.
nitrogen
Posted inResearch Spotlights
Changes in Groundwater Flow Affect Nitrogen Cycling in Streams
Overpumping and other activities that affect groundwater levels could combine with increased nitrogen runoff to amplify threats to human and environmental health.
Posted inResearch Spotlights
Tracking Nitrogen in Arctic Plants
Prevailing nutrient uptake models do not fit Arctic plants. Scientists test a new option that overcomes older models’ shortcomings.
Posted inResearch Spotlights
What Proportion of River Nutrients Reaches the Open Sea?
Results of the first geographically based estimates of river nutrient supply indicate that 75% of dissolved nitrogen and 80% of phosphorus reach the open ocean.
Posted inNews
New Way to Gauge Lightning's Role in Ozone Formation
Comparing satellite data on a key airborne ozone precursor to readings from a lightning sensor network reveals how much different types of lightning strokes affect atmospheric ozone chemistry.
Posted inNews
Bat Guano: A Possible New Source for Paleoclimate Reconstructions
Nitrogen isotopes within samples of bat excrement accurately reflect modern precipitation patterns. So could guano serve as a paleoclimate record?
Posted inResearch Spotlights
A New Mechanism for Nitrogen Cycling in the Southern Ocean
A nitrite-oxidizing enzyme may work in reverse for some microbes in the Antarctic autumn.
Posted inResearch Spotlights
Arctic Survey Hunts for Missing Nitrogen and Phosphorus
A new survey of ocean waters flowing in and out of the Arctic may shed light on how dissolved organic nitrogen and phosphorus contribute to nutrient cycling in the Arctic.
Posted inResearch Spotlights
Nitrogen Garners Starring Role in Refined Earth System Model
Scientists create a more realistic representation of plant nitrogen uptake and usage to improve global climate simulations.
Posted inResearch Spotlights
Drifting Floats Reveal Nitrate Patterns in Mediterranean Sea
Next-generation autonomous platforms allow scientists to understand physical mechanisms that control nitrate availability in the Mediterranean surface water.