Governments across the U.S. and Canada have made strides in their food systems planning efforts, with many recognizing within the past decade that the issue of food insecurity is just as important as maintaining other public infrastructure like roads and water systems.
articles
Climate Change: US Desert Areas to Become Even Drier
Beneath the Amargosa desert of the southwest United States lies a hidden gem for climate research. The Devils Hole cave system, named after its bottomless depths, provides a window into the vast desert aquifer below. The cave system is home to a peculiar type of calcite deposit. As groundwater slowly passes through the cave, calcite precipitates layer by layer on the rock walls. "These thin layers have been accumulating on the walls for nearly one million years," explains Kathleen Wendt from the Quaternary Research Group in the Department of Geology at the University of Innsbruck. "The height of ancient deposits in Devils Hole cave tell us how high the water table was in the past."
VIMS issues annual dead-zone report card for the Chesapeake Bay
An annual model-based report on “dead-zone” conditions in the Chesapeake Bay during 2018 indicates that the total volume of low-oxygen, “hypoxic” waters was very similar to the previous year, but a sharp drop in hypoxia during late July shows the critical role of wind mixing in short-term variations in the oxygen content of Bay waters. The duration of hypoxia in 2018 was greater than in recent years.
Ice-Age Climate Clues Unearthed
How cold did Earth get during the last ice age? The truth may lie deep beneath lakes and could help predict how the planet will warm again.
Researchers develop an operative complex scheme for short-range weather forecasts
Staff members from HSE and the Hydrometeorological Centre of Russia have proposed a new operative scheme for the short-range complex forecasting of wind and possible gusts, surface air temperature, and humidity. The results, i.e., estimates of average forecast errors at different lead times and their comparison with competitors’ results, were published in the journal «Russian Meteorology and Hydrology».
Simple, effective Earth-system modeling
To assess long-range risks to food, water, energy and other critical natural resources, decision-makers often rely on Earth-system models capable of producing reliable projections of regional and global environmental changes spanning decades.