Seismic ship surveys and seabed elevation maps of the Yangtze subaqueous delta reveal how the reduction of sediment supply to the coastal ocean can trigger increased greenhouse gas emissions.
deltas
Posted inEditors' Highlights
Tracking Heavy Metal Accumulation in the Nile Delta
Sediment measurements show that flow alterations and discharges are driving increasing concentrations of multiple heavy metals in the Nile Delta, threatening ecosystems, agriculture, and human health.
Posted inEditors' Highlights
Suivie de l’accumulation des métaux lourds dans le Delta du Nil
Les analyses de sédiments montrent que la réutilisation de l’eau non traitée et la construction de barrages entraînent l’augmentation des concentrations de métaux lourds dans le Delta du Nil, menaçant gravement les écosystèmes, l’agriculture et la santé humaine.
Posted inEditors' Highlights
Tracking Subsidence on Deltas With Fiber-Optics
Fiberoptic strain meters capable of measuring micron-scale subsidence reveal a Holocene sediment package on the Mississippi Delta that is mostly stable.
Posted inNews
Estimating Land Loss in River Deltas
Some deltas are susceptible to land loss during sea level rise, whereas others gain land because of changes in the courses of rivers.
Posted inNews
Building a Better River Delta
People have been engineering river deltas for millennia, but new research identifies the optimal placement for diversions that benefit both local communities and the environment—and it might be close to a city.
Posted inEditors' Highlights
How Fast Did an Ancient Martian Delta Form?
Terrestrial meander migration rates are used to estimate a formation timescale of decades for Jezero delta on Mars.
Posted inResearch Spotlights
Finding Natural Solutions to Man-Made Problems in River Deltas
Decades of research on river deltas identify gaps in our knowledge of delta behavior and the tools required to fill them in.
Posted inResearch Spotlights
River Deltas at the Top of the World
The water that filters through river deltas has a large effect on the Arctic Ocean. A new study explores factors that shape Arctic river deltas and how delta form in turn changes water flow.
Posted inNews
Scientists Search for Deltas on Saturn’s Largest Moon
Saturn’s moon Titan has rivers that empty into seas…but where are the deltas?