Search Results - "Hammonds, Kevin"
-
1
Laboratory Observations of Preferential Flow Paths in Snow Using Upward-Looking Polarimetric Radar and Hyperspectral Imaging
Published in Remote sensing (Basel, Switzerland) (01-05-2022)“…The infiltration of liquid water in a seasonal snowpack is a complex process that consists of two primary mechanisms: a semi-uniform melting front, or matrix…”
Get full text
Journal Article -
2
In situ effective snow grain size mapping using a compact hyperspectral imager
Published in Journal of glaciology (01-02-2021)“…Effective snow grain radius (re) is mapped at high resolution using near-infrared hyperspectral imaging (NIR-HSI). The NIR-HSI method can be used to quantify…”
Get full text
Journal Article -
3
The effects of Ca++ on the strength of polycrystalline ice
Published in Journal of glaciology (01-10-2016)“…Recent studies have suggested a physical link between Ca++ ions and an increase in the ductility or ‘softening’ of polycrystalline ice. In order to investigate…”
Get full text
Journal Article -
4
The Effects of H2SO4 on the Mechanical Behavior and Microstructural Evolution of Polycrystalline Ice
Published in Journal of geophysical research. Earth surface (01-03-2018)“…The Earth's large continental ice sheets contain a variety of naturally occurring impurities, both soluble and insoluble. Understanding how these impurities…”
Get full text
Journal Article -
5
Characterizing the Radar Backscatter-Cross-Section Sensitivities of Ice-Phase Hydrometeor Size Distributions via a Simple Scaling of the Clausius–Mossotti Factor
Published in Journal of applied meteorology and climatology (01-12-2014)“…One of the challenges that limit the amount of information that can be inferred from radar measurements of ice and mixed-phase precipitating clouds is the…”
Get full text
Journal Article -
6
Quantifying damage in polycrystalline ice via X-Ray computed micro-tomography
Published in Acta materialia (01-04-2017)“…The use of X-ray computed micro-tomography (micro-CT) is presented here as a useful tool for the analysis and quantification of damage in polycrystalline ice…”
Get full text
Journal Article -
7
Investigating the thermophysical properties of the ice–snow interface under a controlled temperature gradient Part II: Analysis
Published in Cold regions science and technology (01-05-2016)“…In order to develop a more intuitive understanding of the physical mechanisms and processes responsible for enhanced kinetic snow metamorphism at the ice–snow…”
Get full text
Journal Article -
8
The Effects of H 2 SO 4 on the Mechanical Behavior and Microstructural Evolution of Polycrystalline Ice
Published in Journal of geophysical research. Earth surface (01-03-2018)“…The Earth's large continental ice sheets contain a variety of naturally occurring impurities, both soluble and insoluble. Understanding how these impurities…”
Get full text
Journal Article -
9
Mapping surface hoar from near-infrared texture in a laboratory
Published in The cryosphere (24-05-2024)“…Surface hoar crystals are snow grains that form when water vapor deposits on the snow surface. Once buried, surface hoar creates a weak layer in the snowpack…”
Get full text
Journal Article -
10
Mapping liquid water content in snow at the millimeter scale: an intercomparison of mixed-phase optical property models using hyperspectral imaging and in situ measurements
Published in The cryosphere (06-01-2022)“…It is well understood that the distribution and quantity of liquid water in snow is relevant for snow hydrology and avalanche forecasting, yet detecting and…”
Get full text
Journal Article -
11
Investigating the thermophysical properties of the ice-snow interface under a controlled temperature gradient: Part I: Experiments & Observations
Published in Cold regions science and technology (01-12-2015)“…Of critical importance for avalanche forecasting, is the ability to draw meaningful conclusions from only a handful of field observations. To that end, it is…”
Get full text
Journal Article -
12
Single-crystal I h ice surfaces unveil connection between macroscopic and molecular structure
Published in Proceedings of the National Academy of Sciences - PNAS (23-05-2017)“…Physics and chemistry of ice surfaces are not only of fundamental interest but also have important impacts on biological and environmental processes. As ice…”
Get full text
Journal Article -
13
Single-crystal Ih ice surfaces unveil connection between macroscopic and molecular structure
Published in Proceedings of the National Academy of Sciences - PNAS (23-05-2017)“…Physics and chemistry of ice surfaces are not only of fundamental interest but also have important impacts on biological and environmental processes. As ice…”
Get full text
Journal Article -
14
Investigating the thermophysical properties of the ice–snow interface under a controlled temperature gradient
Published in Cold regions science and technology (01-12-2015)“…Of critical importance for avalanche forecasting, is the ability to draw meaningful conclusions from only a handful of field observations. To that end, it is…”
Get full text
Journal Article -
15
The Effects of Soluble Impurities on the Mechanical Behavior of Polycrystalline Ice and Laboratory Investigations on the Thermophysical Properties of Ice-Snow Interfaces
Published 01-01-2016“…It is well established that the Earth’s large continental ice sheets contain a variety of naturally-occurring impurities, both soluble and insoluble…”
Get full text
Dissertation -
16
Impact of ice crystal habit on the parameterization of cloud microphysical properties when using 94ghz polarimetric scanning cloud radar during STORMVEX
Published 01-01-2013“…Through the analysis of scanning polarimetric W-band cloud radar data collected during STORMVEX, an algorithm has been developed to both identify and…”
Get full text
Dissertation -
17
Impact of ice crystal habit on the parameterization of cloud microphysical properties when using 94ghz polarimetric scanning cloud radar during STORMVEX
Get full text
Dissertation