Search Results - "Bonnell, Randall"

Declines in Peak Snow Water Equivalent and Elevated Snowmelt Rates Following the 2020 Cameron Peak Wildfire in Northern Colorado by McGrath, Daniel, Zeller, Lucas, Bonnell, Randall, Reis, Wyatt, Kampf, Stephanie, Williams, Keith, Okal, Marianne, Olsen‐Mikitowicz, Alex, Bump, Ella, Sears, Megan, Rittger, Karl

“…Wildfires are increasingly impacting high‐elevation forests in the western United States that accumulate seasonal snowpacks, presenting a major disturbance to…”
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Spatiotemporal Variations in Liquid Water Content in a Seasonal Snowpack: Implications for Radar Remote Sensing by Bonnell, Randall, McGrath, Daniel, Williams, Keith, Webb, Ryan, Fassnacht, Steven R., Marshall, Hans-Peter

“…Radar instruments have been widely used to measure snow water equivalent (SWE) and Interferometric Synthetic Aperture Radar is a promising approach for doing…”
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In Situ Determination of Dry and Wet Snow Permittivity: Improving Equations for Low Frequency Radar Applications by Webb, Ryan W., Marziliano, Adrian, McGrath, Daniel, Bonnell, Randall, Meehan, Tate G., Vuyovich, Carrie, Marshall, Hans-Peter

“…Extensive efforts have been made to observe the accumulation and melting of seasonal snow. However, making accurate observations of snow water equivalent (SWE)…”
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Correction: Webb et al. In Situ Determination of Dry and Wet Snow Permittivity: Improving Equations for Low Frequency Radar Applications. Remote Sens. 2021, 13, 4617 by Webb, Ryan W., Marziliano, Adrian, McGrath, Daniel, Bonnell, Randall, Meehan, Tate G., Vuyovich, Carrie, Marshall, Hans-Peter

“…In the original article [...]…”
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A Time Series of Snow Density and Snow Water Equivalent Observations Derived From the Integration of GPR and UAV SfM Observations by McGrath, Daniel, Bonnell, Randall, Zeller, Lucas, Olsen-Mikitowicz, Alex, Bump, Ella, Webb, Ryan, Marshall, Hans-Peter

“…Snow depth can be mapped from airborne platforms and measured in situ rapidly, but manual snow density and snow water equivalent (SWE) measurements are time…”
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Evaluating L-Band Radar for the Future of Snow Remote Sensing by Bonnell, Randall

“…Snowpack monitoring is essential because seasonal snowpacks provide water for billions of people, support streamflow and ecosystems, and are a fundamental…”
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Spatially Extensive Ground‐Penetrating Radar Snow Depth Observations During NASA's 2017 SnowEx Campaign: Comparison With In Situ, Airborne, and Satellite Observations by McGrath, Daniel, Webb, Ryan, Shean, David, Bonnell, Randall, Marshall, Hans‐Peter, Painter, Thomas H., Molotch, Noah P., Elder, Kelly, Hiemstra, Christopher, Brucker, Ludovic

“…Seasonal snow is an important component of Earth's hydrologic cycle and climate system, yet it remains challenging to consistently and accurately measure snow…”
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Snowpack relative permittivity and density derived from near‐coincident lidar and ground‐penetrating radar by Bonnell, Randall, McGrath, Daniel, Hedrick, Andrew R., Trujillo, Ernesto, Meehan, Tate G., Williams, Keith, Marshall, Hans‐Peter, Sexstone, Graham, Fulton, John, Ronayne, Michael J., Fassnacht, Steven R., Webb, Ryan W., Hale, Katherine E.

“…Depth‐based and radar‐based remote sensing methods (e.g., lidar, synthetic aperture radar) are promising approaches for remotely measuring snow water…”
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Evaluating L-band InSAR snow water equivalent retrievals with repeat ground-penetrating radar and terrestrial lidar surveys in northern Colorado by Bonnell, Randall, McGrath, Daniel, Tarricone, Jack, Marshall, Hans-Peter, Bump, Ella, Duncan, Caroline, Kampf, Stephanie, Lou, Yunling, Olsen-Mikitowicz, Alex, Sears, Megan, Williams, Keith, Zeller, Lucas, Zheng, Yang

“…Snow provides critical water resources for billions of people, making the remote sensing of snow water equivalent (SWE) a highly prioritized endeavor,…”
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Spatially distributed snow depth, bulk density, and snow water equivalent from ground-based and airborne sensor integration at Grand Mesa, Colorado, USA by Meehan, Tate G, Hojatimalekshah, Ahmad, Marshall, Hans-Peter, Deeb, Elias J, O'Neel, Shad, McGrath, Daniel, Webb, Ryan W, Bonnell, Randall, Raleigh, Mark S, Hiemstra, Christopher, Elder, Kelly

“…Estimating snow mass in the mountains remains a major challenge for remote-sensing methods. Airborne lidar can retrieve snow depth, and some promising results…”
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Correction: Webb et al. In Situ Determination of Dry and Wet Snow Permittivity: Improving Equations for Low Frequency Radar Applications by Webb, Ryan W, Marziliano, Adrian, McGrath, Daniel, Bonnell, Randall, Meehan, Tate G, Vuyovich, Carrie, Marshall, Hans-Peter

“…This correction is for an incorrect annotation in Figure 4 as published…”
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Spatiotemporal Variations in Liquid Water Content in a Seasonal Snowpack: Implications for Radar Remote Sensing by Bonnell, Randall Ray

“…Mountain snowpacks act as seasonal reservoirs, providing a critical water resource to ~1.2 billion people globally. Regions with persistent snowpacks (e.g.,…”
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