Citizen Scientists Document a Recovering Colorado River
https://www.returningrapids.com/about
https://mountainandprairie.com/mike-dehoff/
Len Necefer
https://www.usbr.gov/uc/rm/crsp/gc/
Craig Ellsworth
https://earthobservatory.nasa.gov/images/150249/lake-powell-still-shrinking
https://www.8newsnow.com/news/local-news/how-low-could-it-go-feds-reveal-3-alternatives-for-lake-mead-colorado-river/
https://www.mightyarrow.org/news/the-returning-rapids-project-good-news-from-the-beleaguered-colorado-river
https://www.bikeraft.com/returning-rapids-project-effects-from-a-dropping-lake-powell/
Margaret Osborne
1/10
Flowing Forward: The Returning Rapids Project Unveils the Colorado's Resurgence
Embark on a journey into the heart of the Colorado River's dramatic evolution with the Returning Rapids Project—an audacious endeavor led by a team of citizen scientists, ecologists, and adventurers. Nestled amidst the rugged beauty of Cataract Canyon, where the river's untamed spirit once reigned supreme, these intrepid explorers unravel the mysteries of a landscape in flux. From the depths of Lake Powell to the soaring cliffs of Glen Canyon, their quest to understand the river's shifting currents and burgeoning ecosystems uncovers a tapestry of resilience and rebirth.
Meet Mike DeHoff, the industrious mind behind the Returning Rapids Project, a grassroots endeavor stationed in Moab, Utah, dedicated to monitoring the ebbs and flows of the Colorado River's Cataract Canyon. DeHoff, a master welder by trade, orchestrates a team of citizen scientists who meticulously chart the river's yearly transformations. From scrutinizing sediment shifts in the riverbed to unraveling the mysteries of newly revealed rock formations, this passionate crew leaves no stone unturned. Their findings serve as a vital compass for regional decision-makers, guiding water management strategies and fostering a deeper understanding of this iconic waterway among the public.
Nature's Resilience: A Silver Lining Amidst Lake Mead's Recession
Amidst the backdrop of drought, climate change, and mounting water demands, Lake Mead's dwindling levels have sparked a crisis for the millions who depend on its waters for sustenance and energy. However, amidst this environmental turbulence, an unforeseen phenomenon unfolds: upstream, the Colorado River experiences a renaissance.
Cataract Canyon Chronicles: Unveiling Nature's Resilience Amidst Drought
In 2002, as the specter of drought loomed over the region, Mike DeHoff's vigilant eye caught the first whispers of change echoing through Cataract Canyon. With receding water levels came the birth of rapids, transforming the landscape into a dynamic tapestry of resilience. Where once the river's flow was subdued by the waters of Lake Powell, now cottonwoods and seep willows burst forth, reclaiming their rightful place along the banks. Yet, amidst this symphony of transformation, a curious silence prevailed—scientific inquiry and public attention fixated downstream, leaving Cataract Canyon shrouded in obscurity. But for DeHoff and his intrepid team, this neglected stretch of the river became a canvas for discovery, a testament to nature's indomitable spirit in the face of adversity.
Taming the Torrent: Glen Canyon Dam's Legacy
Once feared as "The Graveyard of the Colorado" for its tumultuous rapids, Cataract Canyon's fate shifted in 1964 with the construction of Glen Canyon Dam near Page, Arizona. This engineering marvel birthed Lake Powell, the nation's second-largest reservoir after Lake Mead downstream. Seventeen years later, Lake Powell reached its peak, submerging the majestic Glen Canyon and reshaping the landscape. Tragically, 65 percent of Cataract Canyon's roaring rapids met the same fate, as the relentless march of progress altered the river's course, leaving behind a legacy of both marvel and loss along the mighty Colorado River.
Sediment Stifled: The Grand Canyon's Struggle
While Glen Canyon Dam stands as a monument to human ingenuity, its towering presence has inadvertently disrupted the delicate balance of the Colorado River ecosystem downstream. Trapping millions of tons of sediment in Lake Powell, the dam has become a formidable barrier, depriving the Grand Canyon of the life-sustaining sand and silt it once relied upon. Beyond their geological significance, these sediments harbor vital nutrients, nurturing the diverse array of plant and animal life that call the canyon home. Moreover, they sculpt and replenish the iconic beaches that serve as sanctuaries for both wildlife and the 27,000 annual boaters who seek solace and adventure along the winding banks of the Grand Canyon.
Navigating the Drought Dilemma: Balancing Act on the Colorado River
Amidst the throes of the most severe mega-drought in over a millennium, the West finds itself at a critical juncture, with Lake Powell's water levels plummeting over 100 feet in recent decades. As of last March, the reservoir teetered at a mere 22 percent of its full capacity, hovering precariously close to the threshold required for power generation. A complex web of stakeholders—from states and tribes to legislators and the public—vie for their share of the dwindling Colorado River water, a resource originally apportioned by the 1923 Colorado River Compact. However, this historic agreement, forged on scientific estimates that now seem overly optimistic, excluded both Native American tribes and Mexico. Over the ensuing century, subsequent agreements and legal rulings have layered complexity upon the original compact, but as 2026 looms, key guidelines governing the river's management face expiration and renegotiation. Experts warn of the need for drastic measures to curb water usage, including the controversial proposal of drilling bypass tubes around Glen Canyon Dam, an action that could effectively drain Lake Powell. As the region grapples with unprecedented challenges, the future of the Colorado River hangs in precarious balance, demanding bold solutions and collaborative action to navigate the drought-stricken landscape ahead.
Rethinking the River: A Vision for the Colorado's Future
The Returning Rapids Project spearheads vital research shedding light on the Colorado River's ecosystem, providing invaluable insights for policymakers facing critical decisions. Mike DeHoff, the project's driving force, emphasizes the urgent need for modernized water management practices. Environmentalists advocate decommissioning Glen Canyon Dam and propose "Fill Lake Mead First," merging reservoirs and restoring Glen Canyon's natural beauty. Backed by organizations like the Glen Canyon Institute, this bold plan promises substantial water savings, equivalent to Nevada's yearly allocation. As debates intensify, these proposals offer distinct visions for a more sustainable Colorado River watershed.
Advocates for Change: Empowering Citizen Scientists on the Colorado
In 2019, the Glen Canyon Institute embraced the Returning Rapids Project, providing a vital platform for donations and support. Led by a dedicated team including Mike DeHoff, Flynn, Lefebvre, and geologist Chris Benson, this grassroots initiative has expanded to include younger members in its quest for knowledge. With a focus on bridging the gap between research and action, the project has galvanized various stakeholders, from government agencies to university students and local river guides. Their efforts have yielded valuable insights, culminating in multiple scientific publications based on meticulously collected data. Through community outreach and educational initiatives, including yearly field binders and talks at local events, the team ensures that their findings resonate far beyond the riverbanks, inspiring informed dialogue and stewardship among all who cherish the Colorado River's legacy.
Mapping the Rapids: Unveiling the River's Dynamic Evolution
Armed with state-of-the-art sonar and lidar technology, scientists embark on research vessels to chart the ever-changing contours of the Colorado River. Cruising near the Dirty Devil confluence, they meticulously survey the riverbed, capturing raw data that unveils the river's transformative journey. USGS geomorphologist Paul Grams observes the river plunge 36 feet deeper between 2020 and May 2022, encountering resilient bedrock and diverging from its historical channel. This shift could potentially spawn waterfalls or rapids, altering sediment transport, river dynamics, and upstream ecosystems. Grams' findings highlight the delicate interplay between nature's resilience and human infrastructure, urging informed decision-making amidst the river's ceaseless evolution. In a subsequent survey, conducted during the summer's high water flows, Grams reveals an even more dramatic scouring—33 feet in just six months—underscoring the imperative of continued vigilance in understanding and navigating the Colorado River's dynamic course.
Revealing Nature's Mysteries: Uncovering Hidden Ecological Gems
Ecologist Seth Arens from the University of Colorado's Western Water Assessment transforms the Lake Powell region into a captivating natural laboratory. Inspired by conversations with Mike DeHoff, Arens pioneers plant surveys in once-submerged side canyons, documenting a thriving terrestrial landscape of shrubs, cottonwood trees, and unique vertical ecosystems. His research sheds light on how arid landscapes evolve as reservoirs recede, offering invaluable insights for future water management decisions. While not advocating for Glen Canyon Dam's removal, Arens stresses the importance of his findings in shaping ecological considerations in the decision-making process.