Conference Papers
Science Quality and Integrity
The USGS provides unbiased, objective, and impartial scientific information upon which our audiences, including resource managers, planners, and other entities, rely.
The USGS provides unbiased, objective, and impartial scientific information upon which our audiences, including resource managers, planners, and other entities, rely.
Browse almost 5,000 conference papers authored by our scientists and refine search by topic, location, year, and advanced search.
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A case study and comparison of mid-winter warming and solar driven wet slab avalanche cycles A case study and comparison of mid-winter warming and solar driven wet slab avalanche cycles
Wet slab avalanches are poorly understood and often difficult to forecast. Yet, wet slab avalanches can be destructive and may become more common in a changing climate. As the onset of wet avalanches moves earlier in the winter season due to climate change, understanding snowpack and meteorological characteristics of wet slab avalanches will become increasingly important. In this study...
Authors
Erich H. Peitzsch, Cameron Johnson, Scott Savage, Zachary Miller, Zachary Hoppinen
Detecting avalanche path ground cover and vegetation change across multiple scales through time using remote sensing tools Detecting avalanche path ground cover and vegetation change across multiple scales through time using remote sensing tools
Large-magnitude avalanches often alter vegetation composition, avalanche path dimensions, and subsequent avalanche return periods. Understanding temporal changes in individual avalanche path trimlines, runout zones, and geomorphic characteristics helps forecasters, planners, and engineers estimate potential avalanche destructive size and impact on infrastructure or settlements in the...
Authors
Erich H. Peitzsch, Zachary Miller, Ron Simonhois, Ethan M. Greene
Island of Hawaiʻi eruptions 2018–present: Profound landscape and human impacts Island of Hawaiʻi eruptions 2018–present: Profound landscape and human impacts
This three-day field trip examines deposits and landscape evolution associated with recent eruptions of Kīlauea and Mauna Loa, Hawai‘i, USA, beginning with the lower East Rift Zone eruption and associated partial caldera collapse during the summer of 2018. As of this writing, there have been five eruptions within Kīlauea’s summit caldera, one eruption in the Southwest Rift Zone of...
Authors
Steven P. Lundblad, Elisabeth Gallant, Michael H. Zoeller, Kendra J. Lynn, Ashton F. Flinders
Grammar To Graph, an approach for semantic transformation of annotations to triples Grammar To Graph, an approach for semantic transformation of annotations to triples
Linguistic representation of geographic knowledge is semantically complex and particularly challenging when employing geographic information technology to automate interpreted analysis dealing with unstructured knowledge. This study describes an approach called GrammarToGraph (G2G) that applies dependency grammar rules through natural language processing to transform annotation data into
Authors
Dalia E. Varanka, Emily Abbott
Impacts of wildfire runoff on giant kelp in Malibu, California Impacts of wildfire runoff on giant kelp in Malibu, California
This study investigates the effects of post-wildfire sediment runoff on giant kelp (Macrocystis pyrifera) populations in Malibu, California, following the 2018 Woolsey Fire. The research utilizes satellite data and the Soil and Water Assessment Tool (SWAT) to assess changes in sediment delivery and its correlation with reduced kelp abundance. Findings indicate a significant decrease in...
Authors
Lori A Berberian, Christine M. Lee, Erin L. Hestir, Kyle C. Cavanaugh, Amanda M Lopez, Carmen Blackwood, Dulcinea Marie Avouris
Science target prioritization framework for remote sensing Science target prioritization framework for remote sensing
Behind the scenes of a remote sensing mission there are complex decision making and planning operations. Streamlining these operations, with a quantitative scientific value framework, aids efficient and optimized science data collection. While there have been previous efforts to quantify the science value for specific science scenarios, our work aims to develop a general framework which...
Authors
Vinay Ravindra, Douglas Caldwell, Meghan Chandarana Saephan, Bryan Duncan, Sarah A. Strode, William Swartz, Kristen L. Manies, Jeremy Frank, Richard Levinson, Eugene Turkov
Automated deep learning-based point cloud classification on USGS 3DEP lidar data using transformer Automated deep learning-based point cloud classification on USGS 3DEP lidar data using transformer
The goal of the U.S. Geological Survey’s (USGS) 3D Elevation Program (3DEP) is to facilitate the acquisition of nationwide lidar data. Although data meet USGS lidar specifications, some point cloud tiles include noisy and incorrectly classified points. The enhanced accuracy of classified point clouds can improve support for many downstream applications such as hydrologic analysis, urban...
Authors
Jung-Kuan Liu, Rongjun Qin, Shuang Song
An analytical approach for simulating effects of avalanches on mountain goat population dynamics: Implications for management and conservation An analytical approach for simulating effects of avalanches on mountain goat population dynamics: Implications for management and conservation
Mountain environments with snow avalanche hazard cover about 6% of Earth’s land area and occur on all continents. Whereas human risks associated with avalanche hazard have been widely studied, little is known about how avalanche activity affects population dynamics in mountain wildlife. Globally, 32 species of mountain ungulates across 70 countries occupy avalanche-prone terrain...
Authors
Kevin White, Taal Levi, Eran W. Hood, Gabriel J. Wolken, Erich H. Peitzsch, Yves Buhler, Katreen Wikstrom Jones, Chris Darimont
Airborne gamma-ray spectrometry inversion signatures of Hicks Dome area Airborne gamma-ray spectrometry inversion signatures of Hicks Dome area
No abstract available.
Authors
Jessica Weihermann, Yaoguo Li, Anne E. McCafferty
3-D mapping of the conterminous U.S. within the USGS National Cooperative Geologic Mapping Program: Progress and future prospects 3-D mapping of the conterminous U.S. within the USGS National Cooperative Geologic Mapping Program: Progress and future prospects
The U.S. Geological Survey (USGS) National Cooperative Mapping Program (NCGMP) is bringing together subsurface and three-dimensional information at multiple scales for the conterminous United States from data produced throughout the USGS and by federal and state partners. Components of this work include data inventory and catalog development, data integration and database development...
Authors
Donald S. Sweetkind
Telecommunications fiber for sensing earthquake aftershocks: Progress and hurdles Telecommunications fiber for sensing earthquake aftershocks: Progress and hurdles
Aftershocks offer valuable clues to earthquake behavior. The challenge: quickly deploying sensors to capture the early details of earthquake ruptures within the zone of aftershocks. Telecommunication fibers might be an answer, providing denser networks in otherwise difficult areas, potentially faster than traditional methods.
Authors
Andrew J. Barbour
Wave propagation in layered soil deposits Wave propagation in layered soil deposits
Recent advances in the general theory of viscoelastic waves and rays in layered media provide a rigorous mathematical framework for site-specific, soil-response models used for earthquake resistant design. The advances provide general closed-form anelastic solutions for the classic problems of the response of a stack of soil layers to S and P waves, ray theory for reflected and refracted...
Authors
Roger D. Borcherdt