Shijuan Chen

Shijuan Chen
Yale University | YU · Yale school of the Environment

Doctor of Philosophy

About

21
Publications
9,396
Reads
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300
Citations
Additional affiliations
September 2017 - June 2022
Boston University
Position
  • Research Fellow
December 2015 - July 2017
University of Calgary
Position
  • Research Assistant
September 2015 - December 2015
University of Calgary
Position
  • Research Assistant
Education
September 2017 - August 2022
Boston University
Field of study
  • Earth and Environment

Publications

Publications (21)
Article
Full-text available
Current estimates of forest degradation are associated with large uncertainties. However, recent advancements in the availability of remote sensing data (e.g., the free data policies of the Landsat and Sentinel Programs) and cloud computing platforms (e.g., Google Earth Engine (GEE)) provide new opportunities for monitoring forest degradation. Seve...
Article
Full-text available
Shifting cultivation is an agricultural practice in which plots of land are cultivated temporarily, then abandoned, and vegetation is allowed to regenerate during fallow periods. Shifting cultivation is usually associated with cutting and burning forests and thus it is an important driver of forest disturbance in the tropics. However, studies of sh...
Article
Full-text available
Monitoring vegetation recovery typically requires ground measurements of vegetation height, which is labor-intensive and time-consuming. Recently, unmanned aerial vehicles (UAVs) have shown great promise for characterizing vegetation in a cost-efficient way, but the literature on specific methods and cost savings is scant. In this study, we surveye...
Article
The arctic and boreal biomes are changing as temperatures increase, including changes in the type, frequency, intensity, and seasonality of disturbances. However, our understanding of the frequency, extent, and causes of disturbance events remains incomplete. Disturbances such as fire, forest harvest, drought, wind, flooding, and insects and pathog...
Article
Full-text available
It is well-documented that people of color in the U.S. are disproportionately exposed to extreme urban heat. However, most studies have focused on large cities for one point in time, and less is known about how heat exposure changes over time in smaller cities. Here, we present a study of the changing nature of urban heat exposure and cooling strat...
Article
Full-text available
Increasing global demand for agricultural commodities spurs conversions of natural ecosystems. Sustainable intensification in areas of high yield gaps has been proposed as a pathway to achieve food security, support rural livelihoods, and improve resource efficiency while also reducing the impact of commodity production by narrowing yield gaps on e...
Article
There is ample evidence that environmental justice communities experience high levels of extreme heat. However, it is unknown how disparities in urban heat exposure and adaptation options change over time. This study investigates socioeconomic disparities over time in urban heat exposure and adaptation options in eight mid-sized Northeastern cities...
Article
Full-text available
The Caucasus Mountains harbor high concentrations of endemic species and provide an abundance of ecosystem services yet are significantly understudied compared to other ecosystems in Eurasia. In the country of Georgia, at the heart of the Caucasus region, forest degradation has been the largest land change process over the last thirty years. The pr...
Article
Full-text available
State-of-the-art cloud computing platforms such as Google Earth Engine (GEE) enable regional-to-global land cover and land cover change mapping with machine learning algorithms. However, collection of high-quality training data, which is necessary for accurate land cover mapping, remains costly and labor-intensive. To address this need, we created...
Article
Even though Southeast Asia is a hotspot of forest degradation and deforestation, thorough reviews of the drivers of forest degradation and deforestation are lacking in the literature. Here, we present a review of studies of drivers of forest degradation and deforestation in Southeast Asia, including forest conversion to plantation, shifting cultiva...
Article
Full-text available
Although shifting cultivation is the major land use type in Laos, the spatial-temporal patterns and the associated carbon emissions of shifting cultivation in Laos are largely unknown. This study provides a nationwide analysis of the spatial-temporal patterns of shifting cultivation and estimations of the associated carbon emissions in Laos over th...
Thesis
Full-text available
Forest degradation is a significant yet underestimated source of carbon emissions. Traditionally, monitoring forest degradation has been difficult due to a lack of sufficiently frequent satellite observations and reliable analysis methods. Recent advancements in satellite remote sensing provide new opportunities to monitor, attribute and analyze fo...
Preprint
Thanks for your interests in this paper! Please download the full text of the preprint from https://www.essoar.org/doi/10.1002/essoar.10511944.1 If you are not able to download from the website above, please send me a message and I can send you the file.
Poster
Full-text available
Traditionally, monitoring forest degradation is challenging using satellite remote sensing. Recent development of change detection algorithm and cloud computing platforms, such as Google Earth Engine, provide new opportunities for monitoring forest degradation. Most of the studies of forest degradation focus on the tropics, and there are less studi...
Poster
Full-text available
The country of Georgia is a post-Soviet Union country located at the Caucasus region with long-term issue of forest degradation. Since the collapse of Soviet Union, shortage of timber and energy has led to strong pressure on forests in Georgia. However, the location and extent of forest degradation in Georgia is unknown. Monitoring forest degradati...
Conference Paper
Full-text available
Traditionally, monitoring forest degradation has been challenging and the area estimates of forest degradation have been associated with large uncertainties. Recent advancements in availability of remote sensing data and cloud-based platforms, e.g. Google Earth Engine, provide new opportunities for monitoring forest degradation. Although there are...
Conference Paper
Full-text available
Parties that have signed the United Nations Framework Convention on Climate Change (UNFCCC) are required establish national inventories of greenhouse gas emissions and removals. Of importance to such inventories are carbon emission from deforestation and forest degradation, and a special mechanism (REDD+) was added to UNFCCC to address such activit...
Thesis
Full-text available
Characterizing vegetation structure is an important component for understanding ecological recovery on non-permanent human footprint features in forests. However, current approaches to measuring vegetation structure rely on field protocols that are costly and difficult to scale. Compared to traditional field methods, UAV (unmanned aerial vehicle) p...

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