The Community Engagement Office aims to build the identity of the Observatory beyond the scientific community, reaching government and leadership, educators, partners, and the media. This is achieved by elevating our scientists’ research and expressing the importance of Earth science awareness through both local and international media, and through the Observatory’s social channels.


“An Unfettered Learning Journey: from Mangroves to Sea-Level Science”

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In this interview series, we learn about the perspectives of the PhD students whose wide-ranging work contribute to the SEA2 Program and share what drives them in their research.

Underground sediments can serve as geological libraries that offer a glimpse into past environments such as bygone mangrove ecosystems and shorelines.

For one PhD student, in particular, this study into proxy indicators of sea levels in the last 10,000 years is a way of amalgamating his love of mangroves and recent interest in sea-level rise. Proxies are organic materials that can be carbon-dated to serve as age markers in paleo-climate science.

Yudhishthra Nathan, a second-year postgraduate student at the Asian School of Environment (ASE), is part of Professor Benjamin Horton’s sea-level...

“Unearthing Clues to Sea-Level History”

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In this interview series, we learn about the perspectives of the PhD students whose wide-ranging work contribute to the SEA2 Program and share what drives them in their research.

The past sea levels of the Holocene period can be reconstructed via the use of paleo-proxies, including the use of mangrove sediments, which contain organic materials that can be carbon-dated and serve as age markers and one person working on such historical records is Christabel Tan, a second-year PhD student on Professor Benjamin Horton’s research team. 

Collecting sediment core data for her thesis at Pulau Ubin, she studies and analyses their contents to help fine-tune sea-level models that would predict future sea-level rise.

“The main thing we are trying to do is assess the utilisation of mangrove sediments to reconstruct sea level using Singapore as a case study,” she ...

“Searching for the Megathrust Fault Below Bangladesh”

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Bangladesh, a densely populated country of over 160 million people, regularly faces climate hazards caused by flooding and typhoons. However, another natural hazard lies silently beneath the country: active tectonic faults. The fault system below Bangladesh is estimated to be able to generate an earthquake of magnitude 8.5 or greater – a phenomenally dangerous possibility, given that it lies only a few kilometres below the surface. Such an earthquake would also trigger secondary hazards: liquefaction, flooding, and possibly even abrupt shifts in the course of rivers. Despite its extreme hazard, this fault system remains poorly understood.

Bangladesh sits on the eastern border of the collision zone between India and Eurasia, where the Indian plate is subducting eastward below the Burma plate. Most subduction zones lie deep beneath the ocean and are therefore hard to study. This one, however, approaches the surface at the mouth of the Ganges and Brahmaputra rivers,...


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