Climate Research and Development Program

Publications

Listed here are the most recent publications, reports and articles by the Climate R&D program.

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Filter Total Items: 674
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Year Published: 2020

Specialized meltwater biodiversity persists despite widespread deglaciation

Glaciers are important drivers of environmental heterogeneity and biological diversity across mountain landscapes. Worldwide, glaciers are receding rapidly due to climate change, with important consequences for biodiversity in mountain ecosystems. However, the effects of glacier loss on biodiversity have never been quantified across a mountainous...

Muhlfeld, Clint C.; Cline, Timothy Joseph; Giersch, J. Joseph; Peitzsch, Erich; Florentine, Caitlyn; Jacobsen, Dean; Hotaling, Scott

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Year Published: 2020

Understanding mountain lakes in a changing world: Introduction to the special issue

No abstract available.

Baron, Jill; Chandra, Sudeep; James J. Elser

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Year Published: 2020

Understanding rates of change: A case study using fossil pollen records from California to assess the potential for and challenges to a regional data synthesis

Abstract: Insights into the rates at which ecosystems and vegetation respond to a changing climate is fundamental to anticipating impacts of projected climate change. Characterization of vegetation change over millennia to centuries has potential to make an important contribution toward this goal, and regional scale syntheses of fossil pollen data...

Anderson, Lysanna; Wahl, David; Bhattacharya, T.

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Year Published: 2020

Assessment of rangeland ecosystem conditions in Grand Canyon-Parashant National Monument, Arizona

Sustainability of dryland ecosystems depends on the functionality of soil-vegetation feedbacks that affect ecosystem processes, such as nutrient cycling, water capture and retention, soil erosion and deposition, and plant establishment and reproduction. Useful, common indicators can provide information on soil and site stability, hydrologic...

Duniway, Michael C.; Palmquist, Emily C.
Duniway, M.C., and Palmquist, E.C., 2020, Assessment of rangeland ecosystem conditions in Grand Canyon-Parashant National Monument, Arizona: U.S. Geological Survey Open-File Report 2020–1040, 42 p., https://doi.org/10.3133/ofr20201040.

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Year Published: 2020

Using multiple environmental proxies and hydrodynamic modeling to investigate Late Holocene climate and coastal change within a large Gulf of Mexico estuarine system (Mobile Bay, Alabama, USA)

A high degree of uncertainty exists for understanding and predicting coastal estuarine response to changing climate, land-use, and sea-level conditions, leaving geologic records as a best-proxy for constraining potential outcomes. With the majority of the world's population focused in coastal regions, understanding how local systems respond to...

Smith, Christopher; Jones, Miriam C.; Osterman, Lisa; Passeri, Davina

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Year Published: 2020

Vegetation affects timing and location of wetland methane emissions

Common assumptions about how vegetation affects wetland methane (CH) flux include acting as conduits for CH release, providing carbon substrates for growth and activity of methanogenic organisms, and supplying oxygen to support CH oxidation. However, these effects may change through time, especially in seasonal wetlands that experience drying and...

Bansal, Sheel; Johnson, Olivia; Meier, Jacob; Xiaoyan, Zhu

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Year Published: 2020

Parsing complex terrain controls on mountain glacier response to climate forcing

Glaciers are a key indicator of changing climate in the high mountain landscape. Glacier variations across a mountain range are ultimately driven by regional climate forcing. However, changes also reflect local, topographically driven processes such as snow avalanching, snow wind-drifting, and radiation shading as well as the initial glacier...

Florentine, Caitlyn Elizabeth; Harper, Joel T.; Fagre, Daniel B.

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Year Published: 2020

A critical assessment of human-impact indices based on anthropogenic pollen indicators

Anthropogenic pollen indicators in pollen records are an established tool for reconstructing the history of human impacts on vegetation and landscapes. They are also used to disentangle the influence of human activities and climatic variability on ecosystems. The comprehensive anthropogenic pollen-indicator approach developed by Behre (1981) has...

Deza-Araujo, Mara; Morales-Molino, César; Tinner, Willy; Henne, Paul D.; Heitz, Caroline; Pezzatti, Gianni B; Hafner, Albert; Conedera, Marco

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Year Published: 2020

Atmospheric dust deposition varies by season and elevation in the Colorado Front Range, USA

As atmospheric dust deposition continues to increase across the southwestern United States, it has the potential to alter ecosystem productivity and structure by delivering nutrients, base cations, and pollutants to remote mountain sites. Due to the sparse distribution of dust monitoring sites, open questions remain about the spatial and temporal...

Heindel, Ruth C.; Putman, Annie Laura; Murphy, Sheila F.; Repert, Deborah A.; Hinckley, Eve-Lyn S.

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Year Published: 2020

Evaluating indicators of marsh vulnerability to sea level rise along a historical marsh loss gradient

Sea level rise (SLR) is threatening coastal marshes, leading to large‐scale marsh loss in several micro‐tidal systems. Early recognition of marsh vulnerability to SLR is critical in these systems to aid managers to take appropriate restoration or mitigation measures. However, it is not clear if current marsh vulnerability indicators correctly...

Schepers, Lennert; Kirwan, Matthew; Guntenspergen, Glenn R.; Temmerman, Stijn

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Year Published: 2020

Explaining mass balance and retreat dichotomies at Taku and Lemon Creek Glaciers, Alaska

We reanalyzed mass balance records at Taku and Lemon Creek Glaciers to better understand the relative roles of hypsometry, local climate and dynamics as mass balance drivers. Over the 1946–2018 period, the cumulative mass balances diverged. Tidewater Taku Glacier advanced and gained mass at an average rate of +0.25±0.28 m w.e. a–1, contrasting...

McNeil, Christopher J.; O'Neel, Shad; Loso, Michael ; Pelto, Mauri ; Sass, Louis C.; Baker, Emily; Campbell, Seth

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Year Published: 2020

Climate and local environment structure asynchrony and the stability of primary production in grasslands

Aim Climate variability threatens to destabilize production in many ecosystems. Asynchronous species dynamics may buffer against such variability when a decrease in performance by some species is offset by an increase in performance of others. However, high climatic variability can eliminate species through stochastic extinctions or cause similar...

Gilbert, B.; MacDougall, A.S.; Kadoya, T.; Akasaka, M.; Bennett, J. R.; Lind, E.M.; Flores-Moreno, H.; Firn, J.; Hautier, Y.; Borer, E.T.; Seabloom, E.W.; Adler, P.B.; Cleland, E.E.; Grace, James; Harpole, W.S.; Esch, E.H.; Moore, J.L.; Knops, J.; McCulley, R.; Mortensen, B.; Bakker, J.; Fay, P.A.