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Climate change has been, is, and will continue to affect Indigenous peoples across the south-central United States, amplifying a need to plan for and adapt to these changes before the impacts become catastrophic. Since June 2012, the South Central Climate Adaptation Science Center (CASC) has partnered with Tribes across Louisiana, New Mexico, Oklahoma, and Texas to conduct research, education, and outreach related to climate change, adaptation, and resilience; however, much more work is needed to prepare for climate change impacts on Indigenous lands, waters, and people. In this project, the research team will focus on strengthening South Central CASC partnerships with the Tribes and Pueblos in the South Central...
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THE CHICKASAW NATION HOSTED THIS RESEARCH SYMPOSIUM ON MARCH 22-24, 2022, HELD AT THE CHICKASAW RETREAT AND CONFERENCE CENTER IN SULPHUR, OK. After the Climate Workshop for The Chickasaw Nation in 2019, the Tribal managers discussed the need to include culture in conservation efforts and decided to seek a grant for culturally significant plants. This event was organized and led by the Chickasaw Nation and was funded by the U.S. Geological Survey through the South Central Climate Adaptation Science Center. There were 106 attendees with 75 Native representatives from 21 different tribes. There were 11 student attendees. Attendees came from all across the United States including Maine, New York, Michigan, Montana,...
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The Ogallala Aquifer lies beneath 111 million acres of land in Wyoming, South Dakota, Nebraska, Kansas, Colorado, Oklahoma, Texas, and New Mexico. The aquifer provides water for approximately 1.9 million people and has been instrumental in the development of the robust agriculture economy of the Great Plains region. It is also vitally important to the ecology of the region, serving as a critical source of groundwater and sustaining creeks and streams that would otherwise run dry during periods of water scarcity. However, the various social, economic, and ecological challenges of managing this aquifer are expected to increase with climate change as hotter, drier summers exacerbate already unsustainable water demands....
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Data were used for a total of 97 climate projection scenarios in this study. These scenarios show monthly and annual streamflow in the Rio Grande main channel at the pair of USGS gauges at San Marcial, representing the inflows to Elephant Butte reservoir from 2022 to 2099. Townsend and Gutzler (2020) developed an adjustment procedure to convert natural flows projected by the U.S. Bureau of Reclamation at the Elephant Butte dam to realistic flow values at San Marcial (at the upstream end of Elephant Butte Reservoir) to account for upstream water management. The scenarios cover a range of dry (average annual projected flow less than the historical value) to wet (average annual projected flow higher than the historical...
Dissolved inorganic carbon (DIC) and total alkalinity (TA) are fundamental components of carbonate systems that control pH and buffering capacity of a water body. Three coastal marshes with contrasting salinities in Barataria Basin, Louisiana, USA, were sampled five times between December 2018 and October 2019 to understand seasonal changes in porewater carbonate chemistry and its impact on surrounding water bodies. Porewater DIC and TA increased with depth irrespective of marsh type and ranged from 4.47 to 31.61 mmol/kg and from 1.78 to 28.56 mmol/kg, respectively. The salt marsh had higher porewater DIC and TA compared to the lower salinity intermediate and brackish marshes, probably due to sulfate reduction in...
Categories: Publication; Types: Citation
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Canopy Density and Canopy Structure Metrics were derived for the San Juan Mountains of Southwest Colorado from Aerial point cloud data at a 1-meter resolution. The aerial Lidar data originated from the ‘CO_Southwest_NRCS_2018’ project prepared by Quantum Spatial for the USGS from a series of flyovers between 2018 and 2019 and were made available in 2021. Canopy Density metrics include Canopy Closure (CC) and Leaf Area Index (LAI). Canopy Structure metrics include total gap area, mean distance to canopy, canopy edginess to the south and canopy edginess to the north. These Canopy Density and Canopy Structure Metrics were used to partition 100 m grid cells over the same area for a snow melt model called SNOWMODEL....
Future climate projections illuminate our understanding of the climate system and generate data products often used in climate impact assessments. Statistical downscaling (SD) is commonly used to address biases in global climate models (GCM) and to translate large‐scale projected changes to the higher spatial resolutions desired for regional and local scale studies. However, downscaled climate projections are sensitive to method configuration and input data source choices made during the downscaling process that can affect a projection's ultimate suitability for particular impact assessments. Quantifying how changes in inputs or parameters affect SD‐generated projections of precipitation is critical for improving...
Categories: Publication; Types: Citation
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Water management in the middle portion of the Rio Grande Basin (between Elephant Butte Reservoir in New Mexico and Presidio, Texas) is challenging because water demand has continued to increase over time despite limited river water and dropping groundwater levels. While urban and agricultural users can cope with frequent droughts by using a combination of river water and pumping groundwater, little to no water reaches living river ecosystems in this region. Improving this situation requires a good understanding of river water and groundwater availability, now and in the future, as well as advantages and disadvantages of water management options to sustain these ecosystems. In particular, there is a need to determine...
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The South Central Climate Adaptation Science Center (CASC) has worked diligently to build new partnerships between scientists and resource managers to help address the science needs and questions of their stakeholders through actionable science. However, the growth of their stakeholder base and the loss of the Landscape Conservation Cooperatives has led to unmet demand for climate “extension services” from stakeholders. This project plans to establish a new scientist position at the South Central CASC focused on climate extension services and research coordination to help discover needed science solutions and to facilitate connections between the researcher and practitioner communities. The Climate Extension...
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Developing novel solutions to complex problems demands innovative approaches that are inclusive of diverse perspectives from both scientific experts and stakeholders. Across networked communities, like the South Central Climate Adaptation Science Center (CASC), it can sometimes be challenging to identify and build collaborations among researchers from different disciplines. Particularly at times like the present, during a global pandemic and recovery from its impact, a means to support a diverse, integrated and engaged network is essential for producing innovative outcomes for complex problems relevant to our changing climate. One method to foster more engaged networks is through the use of Exaptive’s Cognitive...
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The Science Issue and Relevance: Coastal wetlands are some of the most productive and valuable habitats in the world. Louisiana contains 40% of the United States’ coastal wetlands, which provide critical habitat for waterfowl and fisheries, as well as many other benefits, such as storm surge protection for coastal communities. In terms of ecosystem services, biological resource production, and infrastructure investments, the value of Louisiana’s coastal wetlands exceeds $100 billion. Thus, stakeholders are gravely concerned about sea-level rise which is causing coastal marsh habitat to convert to open water and resulting in the highest rates of wetland loss in the world, with nearly 1.2 million acres lost since...
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The combined effects of climate change (e.g. increased freshwater supply, sea level rise, etc.), leveeing of the Mississippi River, and the gradual settling of soil have led to a land loss crisis in coastal Louisiana. Coastal wetlands provide various ecosystem services to local coastal communities, such as storm protection, flood control, and habitat for economically and ecologically important plants and animals. The loss of such valuable wetlands has become concerning to these communities as well as natural resource managers. Creating new coastal wetlands and reconnecting the Mississippi River to adjacent wetlands are two common strategies to mitigate coastal land loss and protect vulnerable coastal communities,...
map background search result map search result map Understanding New Paradigms for “Environmental Flows” and Water Allocation in the Middle Rio Grande River Basin in a Changing Climate Organizing and Synthesizing Ogallala Aquifer Data to Facilitate Research and Resource Management Climate Extension Services for the South Central U.S. Optimizing Data and Discovery Knowledge Transfer Across Researchers and Stakeholders Using Innovative Technology (“Cognitive Cities”) Understanding Impacts of Sea-Level Rise and Land Management on Critical Coastal Marsh Habitat Planning for a Fresher Future: Implications of River Management Practices on Salt Marsh Restoration Projects in Coastal Louisiana Climate Change Adaptation and Resilience for Tribes and Pueblos in OK, TX, NM, and LA Evaluation Responses for Research Symposium: Culturally Significant Plants and Climate Change High Resolution Canopy Structure and Density Metrics for Southwest Colorado Derived from 2019 Aerial Lidar (100-Meter Resolution Data) Streamflow Projections in Rio Grande at San Marcial Gauges Derived from CMIP5 Global Climate Models Coupled to VIC Surface Hydrology Model from 1950 - 2099 High Resolution Canopy Structure and Density Metrics for Southwest Colorado Derived from 2019 Aerial Lidar (100-Meter Resolution Data) Streamflow Projections in Rio Grande at San Marcial Gauges Derived from CMIP5 Global Climate Models Coupled to VIC Surface Hydrology Model from 1950 - 2099 Understanding Impacts of Sea-Level Rise and Land Management on Critical Coastal Marsh Habitat Planning for a Fresher Future: Implications of River Management Practices on Salt Marsh Restoration Projects in Coastal Louisiana Understanding New Paradigms for “Environmental Flows” and Water Allocation in the Middle Rio Grande River Basin in a Changing Climate Evaluation Responses for Research Symposium: Culturally Significant Plants and Climate Change Climate Extension Services for the South Central U.S. Optimizing Data and Discovery Knowledge Transfer Across Researchers and Stakeholders Using Innovative Technology (“Cognitive Cities”) Climate Change Adaptation and Resilience for Tribes and Pueblos in OK, TX, NM, and LA Organizing and Synthesizing Ogallala Aquifer Data to Facilitate Research and Resource Management