DRI’s Christine Albano co-authored a new study that examines how a warming climate is creating an atmosphere more prone to extreme weather. This “hydroclimate whiplash” is evident in California’s recent weather, with winters filled with repeated atmospheric river storms driving the plant growth that the dry summers then parched, providing plentiful fuel for explosive wildfires.
Earth’s climate future is often discussed in terms of degrees of warming, but for farmers and ranchers, temperature is not the only metric that matters. Other variables such as the number of frost-free days, timing of first snowfall, or changes in spring and summer precipitation are critical to planning future planting, growing, irrigating, and harvesting activities. To help Native agricultural producers prepare for the changes to come, Native Climate has compiled detailed local climate projections for 633 tribally controlled areas in the United States, including Alaska Native Villages and State Designated Tribal Areas, and climate divisions for the State of Hawai‘i.
DRI scientists Joe McConnell and Nathan Chellman co-authored a new study that examines a 6,000-year-old forest preserved in a Rocky Mountain ice patch. The research, which was led by the USGS and Montana State University, used the fossil wood to develop tree-ring based temperature estimates of the mid-Holocene period. The study can provide insight into the future elevational movement of forests under climate change, the scientists say.
The summer 2024 data collection effort provides community members, legislators, and scientists with detailed maps of the region’s urban heat island. The campaign took place on August 10th, a clear and hot day for our region. The measurements and maps produced from the campaign reveal a great deal of variability across the nearly 200 square miles of our study area and between the early morning, mid-afternoon, and early evening time periods of the study.
Lead exposure is responsible for a range of human health impacts, with even relatively low levels impacting the cognitive development of children. DRI scientists have previously used atmospheric pollution records preserved in Arctic ice cores to identify periods of lead pollution throughout the Roman Empire, and now new research expands on this finding to identify how this pollution may have affected the European population.
DRI scientists Joe McConnell and Nathan Chellman are co-authors on a new study that sheds light on a historical mystery that has plagued historians and scientists alike for nearly two centuries. Using Arctic ice core records, the team identified the volcano responsible for an enormous eruption in 1831 that caused global cooling of around 1°C, leading to crop failures and famines around the world.
Researchers from DRI and UNR teamed up for this new study, published October in Environmental Science & Technology. Using sociodemographic data from the U.S. Census Bureau and public health and air pollution information from the EPA between 2011 and 2019, the study identified higher estimated cancer risk tied to air toxics in urban communities, those with lower incomes, and those with higher proportions of racial minorities.
DRI scientists compared data from groundwater pumping meters with OpenET estimates in irrigated land to advance understanding of groundwater use. The new study demonstrated that OpenET can be used to accurately estimate the amount of groundwater used for crop irrigation at the level of individual fields.
DRI scientists partnered with the U.S. Geological Survey to produce a guidance document for incorporating publicly available data on historical and projected extreme weather events to aid with emergency planning exercises. The report, funded by the California Department of Water Resources, is available on DRI’s website.
New research identifies ecosystems around the world that could be threatened by declining groundwater levels. The research, published July 17 in Nature, is the first time that groundwater-dependent ecosystems have been mapped on a global scale. Led by scientists from The Nature Conservancy and DRI, the global effort brought researchers together from universities, non-profit organizations, and institutions from seven countries.