Scientists know that low-oxygen dead zones are growing worldwide. New research sheds light on what that will mean for estuary systems if trends continue.
rivers
Posted inEditors' Highlights
Using Radioactive Tracers to Determine the Ages of Streamflow
Radioactive isotope tracers can be used to determine the relationship between the ages of water that is stored in soil and bedrock, water in streams, and the water used by vegetation.
Posted inNews
Some Waterfalls May Be Self-Made
Waterfalls sometimes imply a past dramatic event, like tectonic uplift or a landslide. Self-formed waterfalls could challenge that interpretation.
Posted inEditors' Highlights
Formation of Sedimentary Deposits: Bypass Versus Mass Extraction
Grain size and sediment delivery pathways from the Ganges delta have been used to model downstream facies changes.
Posted inNews
Simplifying How (and When and Where) Snow Turns into Flow
A Montana researcher has developed a map for predicting how climate change may alter the water supply.
Posted inScience Updates
Can We Predict River Flows from Just a Few Observations?
Improving Discharge Data for Water Resources Management—Hydraulic Modelling as a Tool for Rapid Rating Curve Estimation; Stockholm, Sweden, 8 November 2018
Posted inResearch Spotlights
The Unpredictability of Floods, Erosion, and Channel Migration
A new algorithm incorporates randomness into stream channel formation and suggests the approach represents regions with variable flood magnitudes better than standard models.
Posted inResearch Spotlights
Exploring Uncertainty in Streamflow Estimates
A review of streamflow uncertainty estimation methods reveals that one method does not fit all situations and provides recommendations for how to improve streamflow estimates.
Posted inResearch Spotlights
Organic Particles Affect Carbon Cycling in Boreal Waters
Dissolved organic carbon receives much of the focus in aquatic research, but a new study suggests that bulkier particulate matter may play a significant role in regulating carbon dioxide emissions.
Posted inNews
How Old Is the Mekong River Valley?
Granite samples collected from the Mekong River Valley reveal that the river’s path was incised roughly 17 million years ago, most likely by increased erosion from monsoon precipitation.