Browsing Tag

Geology/Soil

Soybean seeding rates and risk

Credit: Corteva Agriscience To some, farming might seem simple: plant seeds, help them grow, then sell the product. But the reality is much different. Farming requires many complex decisions throughout the year. One such…

A tale of two kinds of volcanoes

Credit: Ms Therese van Wyk, University of Johannesburg At an idyllic island in the Mediterranean Sea, ocean covers up the site of a vast volcanic explosion from 3200 years ago. A few hundred kilometers north-west, three…

The great unconformity

A billion years is missing from the geologic record; one UC Santa Barbara scientist believes he knows where it may have gone The geologic record is exactly that: a record. The strata of rock tell scientists about past environments, much…

Modeling gas diffusion in aggregated soils

Credit: Courtesy of Timothy Clough Agricultural soils contribute to 16% of total Greenhouse gas emissions, particularly nitrous oxide (N2O). Migration of gases in agricultural subsurface and emission across the soil-atmosphere interface is…