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2 clusters · 4 sources · 13 days · First seen · Last updated

Mollusk shells used for climate research in Australia

Overview

Researchers in Australia are utilizing various mollusk shells as natural archives to reconstruct historical climate and environmental data.

In Southeast Queensland, a study led by the University of Queensland demonstrated that snail shells can act as environmental proxies. By using radiocarbon dating and the VEGA Accelerator, researchers found that growth spurts in snail shells correspond to severe weather events, such as cyclones or extreme rainfall.

Similarly, in the northern Great Barrier Reef, scientists analyzed the geochemistry of giant clam shells to reconstruct month-by-month climate conditions at the Lizard Island Group over approximately 200 years. This analysis revealed that prior to industrial-era warming, summers in the region were cooler than current temperatures, while winter conditions remained relatively consistent.

Entities

Tridacna gigas · Centre for Accelerator Science · Lizard Island Group · Great Barrier Reef · University of Queensland

Timeline

  1. [TECHNOLOGY] 2 sources
    Giant clam shell reveals 200 years of Great Barrier Reef climate data

    Researchers reconstructed 200 years of climate data from the Great Barrier Reef by analyzing the geochemical growth layers in a giant clam's shell.

  2. [TECHNOLOGY] 2 sources
    Snail shells serve as natural archives for climate research

    University of Queensland researchers found that snail shells can act as natural archives of weather and landscape changes, using radiocarbon dating to identify past extreme weather events.

Sources

ansto.gov.au · europesays.com · eveningreport.nz · rbfirehose.com