The Earth’s atmosphere, oceans and biosphere are huge reservoirs of carbon, and all play a critical role in global carbon cycling. Soil is one of the largest carbon pools on the planet, storing more carbon than the atmosphere and biosphere combined, yet scientists aren’t sure what regulates carbon persistence—the amount of carbon that remains in the soil.
Scientists at the Lawrence Livermore National Laboratory (LLNL)… Read more
Snowmelt is a vital source of soil moisture in northern Arizona, but in overly dense forests where tree canopies merge, up to 60 percent of the snow never reaches the ground.