In the remote northern town of Tsay Keh, a team of scientists is setting out to study the dust storms that have long plagued the Williston reservoir area. The team consists of Tim, Daniel, Stefan, and Dylan, who are equipped with air quality equipment designed to analyze sand storms and study their formation.

Over past years, the team has become efficient at grappling with the challenges of setting up their equipment. This year, they are documenting the process again, and sharing a scientific explanation of where dust storms come from and how they form.

The team uses a leaf blower to recreate a sandstorm, creating a micro-example of the three modes of movement: reptation, saltation, and suspension. Reptation refers to the movement of grains along the surface, while saltation is the movement of grains near the surface due to ballistic impacts. When the ballistic impacts from reptation and saltation hit the surface, they excavate small clay particles that become airborne and can travel great distances, causing health problems and nuisance for residents.

The team explains that the dust storms are a result of the low water level in the reservoir, which occurs when the water elevation drops below 655 meters above sea level. The storms can last for hours and days, and affect over 10,000 hectares of exposed beach in the area, with 6,000 hectares believed to be dust producing.

The findings of the team's research have important implications for the health and well-being of the residents of Tsay Keh Dene, who are all too familiar with the negative impact of dust storms. With a better understanding of the cause and formation of these storms, the team hopes to find a way to mitigate their impact and improve the quality of life for the people of Tsay Keh Dene Nation.