“It will be important to keep an eye on this changing landscape of vulnerability.”. It is a summary of existing available data and research results from the peer-reviewed literature, and was compiled by researchers at the Cooperative Institute for Research in Environmental Sciences (CIRES), the University of Colorado Boulder, the North Central Climate Science Center, the Natural Resource Ecology Laboratory at Colorado State University, and the National Center for Atmospheric Research. Public schools in many Front Range cities are vulnerable to these changes, the report notes. Orbital-Use Fees Could More Than Quadruple the Value of the Space Industry, Victory is Won Through Many Advisers: Rad Byerly and the Radford Byerly, Jr. Award, Why Climate Communicators Are Turning Talking Points into Punchlines, Climate Change Could Bring More Disease, Crop Damage, Fires to Colorado. WWA, at CU-Boulder, is a NOAA Regional Integrated Sciences & Assessment (RISA) program. © Regents of the University of Colorado
Thirty experts from state offices, consulting groups and academia reviewed the report.
For perspective, hotter states such as Florida and Arizona are also dealing with the invasion of diseases typically not seen in the continental United States, such as dengue fever.
Historically, schools in the state have not needed cooling, so many do not have air-conditioned classrooms. “We also know vulnerabilities change over time, as environmental and socio-economic conditions change,” said Dennis Ojima, co-lead author of the report and a professor in the Ecosystem Science and Sustainability Department at Colorado State University. Noah Molotch samples snow density from a snow pit used to estimate the amount of water stored in the mountain snowpack. © 2013 Center for Science and Technology Policy ResearchCIRESUniversity of Colorado Boulder Your email address will not be published. The research team initially set out to identify the various components of drought that lead to vegetation stress, particularly in mountain snowpack, said Molotch. “The strength of the relationship between forest greenness and snowpack from the previous year was quite surprising to us,” Molotch said. The implications are important, since climate studies indicate the snowpack in mid-elevation forests in the Western United States and other similar forests around the world has been decreasing in the past 50 years because of regional warming. Being able to identify this “tipping point” is important because it is in the mid-level forests—at altitudes from roughly 6,500 to 8,000 feet—where many people live and play in the West and which are associated with increasing wildfires, beetle outbreaks and increased tree mortality, said Molotch. The National Science Foundation and NASA funded the study. It’s a sector-by-sector analysis of the challenges that state residents and leaders will have to deal with in coming decades. “The implications of this study are profound when you think about the potential for ecological change in mountainous environments in the West in the not too distant future,” said Molotch, an assistant professor in the geography department. Molotch said the study team attributed about 50 percent of the greenness in mid-elevation forests by satellites to maximum snow accumulation from the previous winter, with the other 50 percent caused by conditions like soil depth, soil nutrients, temperature and sunlight. A paper on the subject was published online Sept. 9 in Nature Geoscience. “We found that mid-elevation forests show a dramatic sensitivity to snow that fell the previous winter in terms of accumulation and subsequent melt,” said Molotch, also a scientist at NASA’s Jet Propulsion Laboratory in Pasadena, California. A new University of Colorado Boulder-led study that ties forest “greenness” in the western United States to fluctuating year-to-year snowpack indicates mid-elevation mountain ecosystems are most sensitive to rising temperatures and changes in precipitation and snowmelt.
“Our results provide the first direct observations of the snowpack-forest connections across broad spatial scales,” said Molotch, also a research scientist at CU-Boulder’s Institute of Arctic and Alpine Research. It also details many of the ways Coloradans are already grappling with these issues, and where other strategies may help mitigate risk. The new report, “The Colorado Climate Change Vulnerability Study,” was commissioned by the Colorado Energy Office in accordance with the Colorado Legislature’s HB13-1293. Temperatures in Colorado have been rising, especially in summer, and that trend is expected to continue, along with increases in the frequency and intensity of heat waves, droughts and wildfire.
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