Spaceborne Lidar in the Study of Marine Systems

DOI Web Site 2 Citations
  • Chris A. Hostetler
    Langley Research Center, National Aeronautics and Space Administration, Hampton, Virginia 23681-2199, USA;
  • Michael J. Behrenfeld
    Department of Botany and Plant Pathology, Oregon State University, Corvallis, Oregon 97331-2902, USA
  • Yongxiang Hu
    Langley Research Center, National Aeronautics and Space Administration, Hampton, Virginia 23681-2199, USA;
  • Johnathan W. Hair
    Langley Research Center, National Aeronautics and Space Administration, Hampton, Virginia 23681-2199, USA;
  • Jennifer A. Schulien
    Department of Botany and Plant Pathology, Oregon State University, Corvallis, Oregon 97331-2902, USA

Description

<jats:p> Satellite passive ocean color instruments have provided an unbroken ∼20-year record of global ocean plankton properties, but this measurement approach has inherent limitations in terms of spatial-temporal sampling and ability to resolve vertical structure within the water column. These limitations can be addressed by coupling ocean color data with measurements from a spaceborne lidar. Airborne lidars have been used for decades to study ocean subsurface properties, but recent breakthroughs have now demonstrated that plankton properties can be measured with a satellite lidar. The satellite lidar era in oceanography has arrived. Here, we present a review of the lidar technique, its applications in marine systems, a perspective on what can be accomplished in the near future with an ocean- and atmosphere-optimized satellite lidar, and a vision for a multiplatform virtual constellation of observational assets that would enable a three-dimensional reconstruction of global ocean ecosystems. </jats:p>

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