MSLED: The micro subglacial lake exploration device

Alberto E. Behar, Daming D. Chen, Colin Ho, Emily McBryan, Christian Walter, Joseph Horen, Scott Foster, Tyler Foster, Andrew Warren, Sai H. Vemprala, James M. Crowell

Research output: Contribution to journalArticle

6 Scopus citations

Abstract

Satellite altimetry and ice-penetrating radar have shown the existence of active subglacial lakes in Antarctica which may have a significant impact on the Southern Ocean and the dynamics of the overlying ice sheet. Understanding how subglacial floods affect ice dynamics is imperative to predicting the effect of ice sheets on rising sea levels, but it is not clearly understood. Furthermore, these encapsulated lakes contain uncharacterised biological ecosystems and serve as analogue environments for future extraterrestrial exploration. To investigate these subglacial environments, the authors developed the Micro Subglacial Lake Exploration Device (MSLED), a unique highly-miniaturised remotely operated vehicle. Equipped with a high-resolution imaging system, as well as conductivity, temperature and depth sensors for in situ measurements, the MSLED is capable of determining geological, hydrological and biological characteristics of subglacial lakes. It was successfully deployed in Antarctica during the 2011–2012 and 2012–2013 Antarctic summer seasons in collaboration with the Whillans Ice Stream Subglacial Access Research Drilling (WISSARD) expedition to Subglacial Lake Whillans (SLW), contributing to the discovery of microbial ecosystems within these environments. The present paper outlines the scientific background behind the mission, the design and implementation of the MSLED, as well as the results of tests and initial deployments in Antarctica.

Original languageEnglish (US)
Pages (from-to)3-17
Number of pages15
JournalUnderwater Technology
Volume33
Issue number1
DOIs
StatePublished - Jul 1 2015

    Fingerprint

Keywords

  • Extreme environments
  • Marine robotics
  • Planetary robotics
  • Subglacial lakes
  • Underwater robotics

ASJC Scopus subject areas

  • Ocean Engineering

Cite this

Behar, A. E., Chen, D. D., Ho, C., McBryan, E., Walter, C., Horen, J., Foster, S., Foster, T., Warren, A., Vemprala, S. H., & Crowell, J. M. (2015). MSLED: The micro subglacial lake exploration device. Underwater Technology, 33(1), 3-17. https://doi.org/10.3723/ut.33.003