Publications
Radar interferometry offers new insights into threats to the Angkor site
A groundbreaking study leverages radar interferometry to uncover critical threats facing the Angkor site, offering new insights that could inform sustainable conservation strategies for other UNESCO World Heritage Sites. By analyzing subtle ground deformations over time, researchers identified patterns of subsidence and structural instability, which are not easily detectable through conventional methods. This approach provides a more precise understanding of environmental and anthropogenic pressures affecting the site, such as groundwater extraction and urban development. The findings underscore the importance of integrating advanced remote sensing techniques into conservation planning to mitigate risks and ensure long-term preservation.
Residential patterning at Angkor Wat
New evidence from Angkor Wat challenges traditional views of temple precincts, revealing that the large rectangular enclosure surrounding the temple was not exclusively reserved for the elite or priestly classes. LiDAR surveys and excavations have uncovered signs of low-density residential occupation, suggesting that these areas may have housed individuals servicing the temple rather than being solely sacred or reserved for the wealthy. This finding reshapes our understanding of the social hierarchy within Angkor Wat's community.
The landscape of Angkor Wat redefined
Recent advancements in LiDAR technology have revolutionized the understanding of Angkor Wat's landscape, revealing a complex far more extensive and intricate than previously believed. This breakthrough has enabled archaeologists to map hidden terrain beneath dense vegetation, uncovering previously unknown relationships between site elements and exposing a massive, unique structure that was hitherto unknown. The study, which combines high-resolution LiDAR data with targeted ground-based research, provides unprecedented chronological resolution and challenges long-standing assumptions about the Angkor Wat complex.
Uncovering archaeological landscapes at Angkor using lidar
Lidar technology has uncovered a vast, previously undocumented urban landscape at Angkor, revealing the intricate integration of major temples like Angkor Wat within a formally planned city. This groundbreaking discovery challenges the understanding of the Khmer Empire's medieval capitals (9th–15th centuries C.E.) and sheds light on the scale of anthropogenic landscape modifications. The study used airborne laser scanning to penetrate dense forest cover, creating high-precision digital elevation models that exposed hidden archaeological features. Additionally, the data support the hypothesis that infrastructural complexity, unsustainable subsistence practices, and climate variation played pivotal roles in the decline of classical Khmer civilization.
Climate as a contributing factor in the demise of Angkor, Cambodia
Decades-long droughts followed by intense monsoons, likely driven by tropical Pacific sea surface temperature variations including El Niño events, contributed to the decline of Angkor, Cambodia's ancient Khmer Empire capital. A 750-year hydroclimate reconstruction from Vietnamese tree rings revealed that these extreme climatic conditions strained Angkor's water supply and agricultural productivity while damaging its sophisticated water control infrastructure. The study highlights how low-frequency tropical Pacific climate variations can significantly impact Southeast Asian societies, offering insights into the vulnerability of hydraulic civilizations to climate change.
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