The Joint Biological Standoff Detection System (JBSDS) Program has developed a lidar system for detecting
and discriminating biological clouds at a standoff range. The lidar typically scans near the horizon to detect a cloud and
then "stares" at the cloud for a time period to ensure adequate signal-to-noise ratio (SNR) to discriminate if the cloud is
biological. This paper proposes an alternative to the scan-and-stare approach; i.e., to scan only. The analysis results of
lidar data obtained from field tests conducted in 2004 at Dugway Proving Ground (DPG) in Utah suggest that scan-only
operations without staring would improve SNR for detection and discrimination and provide operational advantages.
In theory, depth profiles of received power from ocean remote sensing airborne lidar data with a wide filed of view can be related to the diffuse attenuation coefficient, K<SUB>d</SUB>. Preliminary results from clear open ocean waters in the Sargasso Sea and in the North Pacific Ocean indicate that a wavelength dependent discrepancy may exist, and that the 532 nm lidar K<SUB>d</SUB> values are approximately 33 percent lower values than those derived from sunlight. If the discrepancies can be resolved, then a lidar system could provide a way to remotely measure the spatial variability of K<SUB>d</SUB> over synoptic scales that can not be achieved within a reasonable time interval from a surface vessel.