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Howard
Epstein
Professor and Chair
Department of Environmental Sciences
University of Virginia
Publications
Understanding the synergies of deep learning and data fusion of multispectral and panchromatic high resolution commercial satellite imagery for automated ice-wedge polygon detection
Bridging Science, Art, and Community in the New Arctic
Rapid transformation of tundra ecosystems from ice-wedge degradation
An object-based approach for mapping tundra ice-wedge polygon troughs from very high spatial resolution optical satellite imagery
Understanding the effects of optimal combination of spectral bands on deep learning model predictions: a case study based on permafrost tundra landform mapping using high resolution multispectral satellite imagery
Transferability of the deep learning mask R-CNN model for automated mapping of ice-wedge polygons in high-resolution satellite and UAV imagery
Outreach
Arctic Infrastructure Workshop at the Arctic Science Summit Week
Presentations
Dissolved organic matter dynamics across a gradient of permafrost polygon degradation, northern Alaska
Assessment of nitrogen dynamics in soil, vegetation, and surface water across successional stages of ice-wedge degradation and stabilization in the tundra of northern Alaska
Bridging science, art, and community in the new Arctic
Arctic environmental data narratives: Developing an interdisciplinary, co-productive approach for environmental data analysis and application
Landscape connectivity and dissolved organic matter in a degrading permafrost polygonal landscape
Soil characteristics and plant functional groups across successional stages of ice-wedge degradation and re-stabilization in the tundra of North America
Automated mapping of ice-wedge polygon troughs in the continuous permafrost zone using commercial satellite imagery
Understanding the changing natural-built environment in an Arctic community: An integrated sensor network
Understanding the changing natural-built environment in an Arctic community: An integrated sensor network
Soil and plant community characteristics across successional stages of ice-wedge degradation and re-stabilization in the tundra of northern Alaska
Arctic ecosystem functional diversity
Assessing the controls on ecosystem functional diversity in the Arctic tundra at circumpolar and regional scales
Effects of watershed position, landscape connectivity, and ice wedge degradation on dissolved organic matter dynamics at Prudhoe Bay, AK
Soil carbon and nitrogen, plant functional groups, and plant tissue nutrient content across successional stages of ice-wedge degradation and re-stabilization in the tundra of Prudhoe Bay, Alaska
Understanding the Changing Natural-Built Landscape in an Arctic Community: An Integrated Sensor Study in Utqiaġvik, Alaska
Integrated sensor network in Utqiagvik, Alaska
Open environmental data stewardship: Challenges and promises of FAIR-CARE integration for data protection and sharing
High-resolution data from integrated micrometeorological and geophysical studies within an Arctic city: Preliminary results from Utqiaġvik, AK
Changes in plant functional group biomass and tissue nutrient content across stages of ice-wedge degradation and re-stabilization in the Arctic tundra of Jago River Reserve and Prudhoe Bay, Alaska
Assessing micrometeorological differences related to the built environment in Utqiagvik, Alaska
High-resolution data from integrated micrometeorological and geophysical studies within an Arctic city: Preliminary results from Utqiaġvik, Alaska
Assessing micrometeorological and geophysical differences related to the built environment in Utqiaġvik, Alaska
Examining interactions between the built and natural environments (BNE) in an Arctic community: an Utqiagvik sensor array (USA)
Variability in hydrological conditions in ponds and lagoons between an urban Arctic community and surrounding tundra
DEC 2023: Interactions between the built and natural environments in an Arctic Community: An integrated sensor network in Utqiagvik, Alaska
Spatiotemporal assessment of ground temperature hot and cold spots at urban sites in Utqiagvik, Alaska
MAR 2024: Interactions between the built and natural environments in an Arctic Community: An integrated sensor network in Utqiagvik, Alaska
Variability in hydrological conditions in ponds and lagoons between an urban Arctic community and surrounding tundra
Arctic Observing Summit: Interactions between the built and natural environments in an Arctic Community: An integrated sensor network in Utqiagvik
Spatiotemporal assessment of ground temperature hot and cold spots at urban sites in Utqiagvik, Alaska
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