If I asked you how many people use Tubbs Hill each year, what would you guess? A few years ago, the city’s estimate was about 30,000. The Tubbs Hill Foundation has noticed a marked increase in trail wear in recent years. We work closely with the city of Coeur d’Alene Parks Department, and in 2022 they purchased a trail counter. In the first six months, it recorded over 155,000 counts of people. After a full year, we had over 364,000….
Gianluca Blois, a professor of mechanical engineering at the University of Idaho’s Boise campus, works at the Center for Ecohydraulics Research (CER) with students to study how water moves through streams and rivers. Their research focuses on how stationary objects, like plants, affect water flow and the movement of sediments. This study used a specialized laboratory flume—a controlled stream environment—to measure water speed and pressure in aquatic systems. While scientists have long studied how landscape features like riverbanks and terrain…
Boise State University faculty Anna Bergstrom and her team investigated rain and snowmelt contributions to streamflow in the Mores Creek Watershed spanning the rain-snow transition zone in southwestern Idaho. Researchers commonly use naturally occurring water isotopes to track water sources allowing for the quantification of if streams are sourced from rain or snow. By developing new approaches to define rain and snow isotopic signatures, Bergstrom and team found that streamflow contribution estimates can vary by up to 20%, depending on…
University of Idaho faculty Karen Humes and Russell Qualls, along with their students, analyzed 30 years of crop water use data in southern Idaho to understand variations in irrigation application needs. Their research examined how differences in wet versus dry years and cool versus warm years influence crop water use and irrigation needs. By considering forecasted climate conditions, farmers can make informed decisions about crop selection and irrigation allocation, optimizing water use and improving overall agricultural efficiency.
What IS the future of Our Gem Coeur d’Alene Lake’s water quality? That is the question on the minds of many in northern Idaho, including state and tribal governments tasked with monitoring and improving water quality, elected officials with jurisdiction on the Lake, shoreline property owners, the local tourism industry, and many concerned citizens. Why? Historical mining activities deposited millions of tons of contaminated and potentially toxic sediment including zinc, cadmium, and lead into Coeur d’Alene Lake and its tributaries….