Finally, a small surface radiation and ceilometer system was deployed at the PNG Lombrum Naval Base about 6 km away from the Manus ARM site in order to provide some documentation of scale variability with respect to the representativeness of the ARM measurements. (arm.gov)
«Remote sensing of PM2.5 during cloudy and nighttime periods using ceilometer backscatter.» (arm.gov)
«Error Characteristics of Ceilometer - Based Observations of Cloud Amount.» (arm.gov)