Multiple state-of-the-art independent observing systems consistently disagree on magnitudes and patterns of ecosystem metabolism of carbon dioxide, but together can shed new insight.
soils
Posted inEditors' Highlights
Observing the Sun via Soil Moisture Measurements
Solar radio bursts are background noise for satellite-based radio observations that monitor soil moisture, so, with appropriate processing, those observations can provide data on radio bursts.
Posted inEditors' Vox
Exploring the Engine and Drivers of Soil Formation
A new book presents a multidisciplinary perspective on soil, exploring it as a nexus for water flow, near surface (bio)geochemistry, erosion and deposition, and biologically coupled nutrient cycling.
Posted inResearch Spotlights
A Global Look at Surface Soil Organic Carbon
Soil organic carbon is an important element of ecosystem and climate health. Remote sensing can now give scientists a global look at this important piece of the carbon puzzle.
Posted inNews
La Geología y la Química Impulsan la Migración Animal en el Serengueti
Trabajo de campo en Tanzania sugiere que la química del suelo—influenciada por el vulcanismo local y la actividad tectónica—podría ayudar a determinar la migración sin precedentes de más de un millón de ñus.
Posted inNews
Will Rising Temperatures Make Rice Too Toxic?
Greenhouse experiments reveal how higher temperatures act to elevate arsenic levels in rice and may help focus efforts to solve a crisis threatening food systems around the world.
Posted inEditors' Highlights
Evaporation Reverses Groundwater Flow and Forms Hyper-Salinity
A numerical model of groundwater-surface water systems shows how floodplain evaporation can reverse stream-groundwater flow and produce strong buoyancy changes associated with salinity.
Posted inNews
Using Nuclear Fallout to Measure Soil Erosion in Tunisia
Cesium-137 acts as a tracer to evaluate the efficiency of conservation methods.
Posted inResearch Spotlights
Predicting the Next Big Frost Quake
Frost quakes occur in boreal regions when rapidly expanding ice underground causes frozen soils to fracture. A recent frost quake in Finland has given scientists a rare look into how they form.
Posted inNews
Taking an Aerial View Underground
Wisconsin geologists are testing using drones equipped with thermal cameras to measure shallow soil depths in areas prone to groundwater contamination.