An overview of the role of remote sensors for global ocean observations

Abstract

Over the past two decades, a significant number of remote sensing techniques have been developed and validated for quantitative observations of ocean surface phenomena and air-sea interaction processes. Infrared and microwave radiometers can make accurate measurements of surface temperature patterns, multispectral optical systems can monitor upper ocean biological productivity, active and passive microwave systems can map wind fields and rainfall, altimeters routinely track the large scale circulation systems, and imaging radars are capable of monitoring surface waves and currents, internal waves, and tidal flows over bathymetric features. Along with the development of these tools has come a heightened awareness of the role of the world's oceans as a primary determinant of our weather systems and the global climate. Within the next decade, new satellite systems will be launched as part of an international effort to assemble the beginnings of a truly global ocean observing system that will provide unprecedented opportunities to better understand, monitor, and predict the impacts of oceanic changes on global processes and habitability. This presentation will provide an overview of where we have come and a glimpse of where we can expect to go in the near future. >