Whyjay Zheng

Whyjay Zheng
University of California, Berkeley | UCB · Department of Statistics

Ph.D.

About

10
Publications
2,257
Reads
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121
Citations
Citations since 2017
10 Research Items
120 Citations
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Introduction
I am interested in processes that shape a planet's surface and how remote sensing techniques help understand them better. My recent work focuses on glacier physics and cryospheric changes under the context of global warming. I joined the Jupyter Meets the Earth project team in 2021 with a goal to improve the efficiency and lower the threshold for conducting research in geoscience, which is essential since the data coming from remote sensing observations are getting larger and larger.

Publications

Publications (10)
Article
Full-text available
Basal conditions directly control the glacier sliding rate and the dynamic discharge of ice. Recent glacier destabilization events indicate that some marine-terminating glaciers quickly respond to lubricated beds with increased flow speed, but the underlying physics, especially how this vulnerability relates to glacier geometry and flow characteris...
Preprint
Basal conditions directly control the glacier sliding rate and the dynamic discharge of ice flow. Recent glacier destabilization events indicate that some marine-terminating glaciers quickly respond to lubricated beds with increased flow speed, but the underlying physics, especially how this vulnerability relates to glacier geometry and flow charac...
Conference Paper
Full-text available
【Jupyter Book link: https://earthcube2021.github.io/ec21_book/notebooks/ec21_zheng_etal/README.html】 Observations of ice flow velocity provide a key component for modeling glacier dynamics and mass balance. The feature tracking technique is one of the most commonly used methods for deriving ice flow velocity from remote sensing data. Despite being...
Article
Full-text available
Plain Language Summary During the early stages of continental rifting, some accumulated tectonic energy is released with little or no earthquake activity (i.e., aseismic strain). This is most often observed in places where magma intrusion occurs. However, in rift basins lacking evidence of magma intrusion, how much and where the aseismic strain is...
Article
Full-text available
Plain Language Summary A glacier surge is a sudden speedup of glacier flow coinciding with a large advance of the ice front. Some glaciers surge periodically every 10–100 years, and so surge mechanism is thought to be independent of climate change. However, some recent surges have evacuated so much ice that another surge is unlikely to occur in the...
Article
Full-text available
In December, 2009, a rare sequence of earthquakes initiated within the weakly extended Western Rift of the East African Rift system in the Karonga province of northern Malawi, providing a unique opportunity to characterize active deformation associated with intrabasinal faults in an early-stage rift. We combine teleseismic and regional seismic reco...
Article
Full-text available
Ice caps that are mostly frozen at the bedrock-ice interface are thought to be stable and respond slowly to changes in climate. We use remote sensing to measure velocity and thickness changes that occur when the margin of the largely cold-based Vavilov Ice Cap in the Russian High Arctic advances over weak marine sediments. We show that cold-based t...
Article
Full-text available
The glaciers of the Franz Josef Land (FJL) archipelago in the Russian Arctic are subjected to rapidly-warming temperatures but are small contributors to sea level. We analyze ice surface elevation data derived from satellite stereo imagery (WorldView and SPOT), radar altimetry (CryoSat-2), and a digitized 1953 cartographic map to calculate elevatio...

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