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Filters: Types: Report (X) > Tags: {"type":"Organization"} (X) > partyWithName: Climate Adaptation Science Centers (CASC) Program (X)

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In many places around the world, spring events, like warming temperatures, are coming earlier and fall events are coming later than they have in the past. These changes have implications for the phenology, or the timing of natural life events (e.g. the timing of plant flowering in Spring or leaves falling in Autumn), of many plant species. However, not all species and regions are changing at the same rate, which can lead to mismatches (e.g. between the emergence of plants and pollinators in early spring). Many interactions in nature depend on timing and, as such, phenology affects nearly all aspects of the environment, including the abundance, distribution, and diversity of organisms, ecosystem services, food webs,...
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Changes in temperature and precipitation due to climate change (and associated droughts, wildfires, extreme storms etc.) threaten important water sources, forests, wildlife habitat, and ecosystems across the Southwest and throughout the entire U.S. These threats cross political and man-made boundaries and therefore need to be addressed at larger landscape-level and regional scales. “Landscape conservation design” is one method that can be used by land and resource managers to support large scale conservation and ensure that small scale and local actions contribute to a landscape level vision. The Desert Landscape Conservation Cooperative (LCC) is working to develop a shared vision for conservation action in the...
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The Colorado River is a crucial water source for millions of people in the Southwest. Warming temperatures, clearly documented in climate records for the Colorado River basin, are having an impact on the amount of annual streamflow yielded from rain and snow. Recent work has revealed that warming temperatures have played an increasingly important role over the past decades, both exacerbating droughts and dampening the effects of wet winters on high stream flows. Understanding and anticipating how warming temperatures will influence future water supply in the Colorado River basin is increasingly important for resource management, particularly in light of recent drought conditions. The overarching goals of this...
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In California, increased wildfire activity has been linked to decreasing snowpack and earlier snowmelt. Not only has this translated into a longer fire season, but reduced snowpack has cascading effects that impact streamflow, water supplies, agricultural productivity, and ecosystems. California receives 80% of its precipitation during the winter, so mountain snowpack plays a critical role in replenishing the state’s water supply. One factor that affects the amount of winter precipitation (and therefore snowpack) in California is the North Pacific Jet (NPJ)—a current of strong, high altitude winds that occur over the northern Pacific Ocean. Winters when the NPJ is located further north than normal are drier than...
Categories: Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service, Report; Tags: 2013, CA, CA-wide, CASC, Completed, All tags...
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Native Americans throughout the Southwest are vulnerable to climate change due to intimate relationships with the environments and landscapes upon which their cultures, traditions, and livelihoods depend. The Pyramid Lake Paiute Tribe (PLPT) in Nevada is profoundly connected physically, culturally, and spiritually to Pyramid Lake, the endangered cui-­ui fish, and the threatened Lahontan cutthroat trout. While the tribe has adapted to non-­climatic stressors over the past century, climate change impacts to water resources pose a threat to the ecosystems and species of fish so deeply important to the PLPT. Our previous research indicates that PLPT is an exemplary leader in adaptive planning, given that tribal members...
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In the southwestern United States, droughts of 10 or more years are projected to become more frequent by 2100. It also is projected that there will be fewer wet days per year, with more precipitation falling on those wet days. Such climatic extremes can strongly affect wild animals and plants, ecosystems, and humans. In the Southwest, more frequent and intense storms may negatively affect protected species in coastal salt marshes; changes in the timing and amount of precipitation could lead to increases in fuel loads; and increasingly humid heat waves could lead to higher incidence of heat-related illness among visitors to national parks. This project will improve understanding of climate extremes and their potential...
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Natural climate variability can obscure or enhance long-term trends in experienced weather due to climate change. This can happen temporarily on timescales of a season to several years to a decade or two. Natural variability is poorly described and attributed to specific causes, contributing to uncertainty and misunderstandings about the nature of climate change that stakeholders and resource managers attempt to anticipate. There exists, therefore, a need to clarify the magnitude and causality of natural climate variability. This connection needs to be explained for locally-experienced weather and particularly for daily extreme events, whose seasonal behavior impacts both resources and imagination. Conversely, it...
    map background search result map search result map Understanding and Communicating the Role of Natural Climate Variability in a Changing World The Influence of the North Pacific Jet Stream on Future Fire in California Improving Understanding of Climate Extremes in the Southwestern United States Pyramid Lake Paiute Tribe Traditional Knowledge and Climate Change Adaptation Assessing Southwest Resources, Future Climate Scenarios, and Possible Adaptation Actions to Support Conservation Planning Anticipating Future Impacts of Temperature on Streamflow in the Colorado River Basin Understanding Changes to the Timing of Natural Events (Phenology) for Plants in the Water-Limited Southwest Pyramid Lake Paiute Tribe Traditional Knowledge and Climate Change Adaptation Anticipating Future Impacts of Temperature on Streamflow in the Colorado River Basin The Influence of the North Pacific Jet Stream on Future Fire in California Improving Understanding of Climate Extremes in the Southwestern United States Understanding Changes to the Timing of Natural Events (Phenology) for Plants in the Water-Limited Southwest Understanding and Communicating the Role of Natural Climate Variability in a Changing World Assessing Southwest Resources, Future Climate Scenarios, and Possible Adaptation Actions to Support Conservation Planning