D
Dexuan Sha
Researcher at George Mason University
Publications - 30
Citations - 701
Dexuan Sha is an academic researcher from George Mason University. The author has contributed to research in topics: Computer science & Sea ice. The author has an hindex of 10, co-authored 27 publications receiving 406 citations. Previous affiliations of Dexuan Sha include University of California, San Francisco & National Science Foundation.
Papers
More filters
Journal ArticleDOI
Spatiotemporal patterns of COVID-19 impact on human activities and environment in Mainland China using nighttime light and air quality data
Qian Liu,Dexuan Sha,Liu Wei,Paul R. Houser,Luyao Zhang,Ruizhi Hou,Hai Lan,Colin Flynn,Mingyue Lu,Tao Hu,Chaowei Yang +10 more
TL;DR: The results show that the monthly average NTL brightness is much lower during the quarantine period than before, and the air quality of China has improved with the reduction of non-essential industries and motor vehicle usage.
Journal ArticleDOI
Taking the pulse of COVID-19: a spatiotemporal perspective
Chaowei Yang,Dexuan Sha,Qian Liu,Yun Li,Hai Lan,Weihe Wendy Guan,Tao Hu,Zhenlong Li,Zhiran Zhang,John Hoot Thompson,Zifu Wang,David Wong,Shiyang Ruan,Manzhu Yu,Douglas S. Richardson,Luyao Zhang,Ruizhi Hou,You Zhou,Cheng Zhong,Yifei Tian,Fayez Beaini,Kyla Carte,Colin Flynn,Liu Wei,Dieter Pfoser,Shuming Bao,Mei Li,Haoyuan Zhang,Chunbo Liu,Jie Jiang,Shihong Du,Liang Zhao,Mingyue Lu,Lin Li,Huan Zhou,Andrew Ding +35 more
TL;DR: The sudden outbreak of the Coronavirus disease (COVID-19) swept across the world in early 2020, triggering the lockdowns of several billion people across many countries, including China, Spain, Ind...
Journal ArticleDOI
Taking the pulse of COVID-19: A spatiotemporal perspective.
Chaowei Yang,Dexuan Sha,Qian Liu,Yun Li,Hai Lan,Weihe Wendy Guan,Tao Hu,Zhenlong Li,Zhiran Zhang,John Hoot Thompson,Zifu Wang,David Wong,Shiyang Ruan,Manzhu Yu,Douglas Richardson,Luyao Zhang,Ruizhi Hou,You Zhou,Cheng Zhong,Yifei Tian,Fayez Beaini,Kyla Carte,Colin Flynn,Liu Wei,Dieter Pfoser,Shuming Bao,Mei Li,Haoyuan Zhang,Chunbo Liu,Jie Jiang,Shihong Du,Liang Zhao,Mingyue Lu,Lin Li,Huan Zhou +34 more
TL;DR: This perspective paper presents the collective view on the global health emergency and the effort in collecting, analyzing, and sharing relevant data on global policy and government responses, human mobility, environmental impact, socioeconomical impact, and reflecting on the dynamic responses from human societies.
Journal ArticleDOI
Spatiotemporal Patterns of COVID-19 Impact on Human Activities and Environment in China Using Nighttime Light and Air Quality Data
Qian Liu,Dexuan Sha,Liu Wei,Paul R. Houser,Luyao Zhang,Ruizhi Hou,Hai Lan,Colin Flynn,Mingyue Lu,Tao Hu,Chaowei Yang +10 more
TL;DR: In this paper, the spatial and temporal characteristics of NTL radiance and air quality index were investigated before and during the pandemic in mainland China, and the results showed that the monthly average NTL brightness is much lower during the quarantine period than before.
Journal ArticleDOI
Big Earth data analytics: a survey
TL;DR: This paper reviews the big Earth data analytics from several aspects to capture the latest advancements in this fast-growing domain and introduces the concepts ofbig Earth data.