Scientists from the Chinese Academy of Sciences have developed a forecasting tool called iDust that improves predictions of dust storms, offering benefits for solar energy production. The research, led by Dr Xi Chen at the Institute of Atmospheric Physics, was published in the Journal of Advances in Modeling Earth Systems (JAMES).
Preparing for extreme dust storms
On April 13, 2024, researchers using iDust successfully tracked an extreme dust storm in China’s Bayannur region. According to the team, iDust overcame existing dust prediction models’ limitations in resolution and speed by integrating dust processes directly into the dynamical core, providing higher-resolution forecasts (10km instead of 40km) while using only slightly more computing power than standard weather models. The tool can generate 10-day dust forecasts in just six hours after observation
Solar efficiencies
“Dust storms not only block sunlight but also accumulate on solar panels, decreasing their power output,” said Chen.
As existing studies show that failing to account for dust can lead to overestimating available solar energy by up to 25%, the iDust system is expected to help solar farms and power grid operators better prepare for dust-related disruptions – improving efficiency and reducing costs.
In related news, the WMO recently issued its annual report on the incidence of sand and dust storms, as well as their impacts on society. Click here to read the full story.