Basic Principles of Surface-Based Remote Sensing - Surface Based Remote Sensing of the Atmospheric Boundary Layer - page 35

Table 3.1 Overview of the main ground-based boundary layer remote-sensing techniques

Name Principle Spatial resolution Direction Type

RADAR Backscatter, electromagnetic pulses, fixed

wavelength

Profiling Scanning,slanted Active, monostatic

SODAR Backscatter, acoustic pulses, fixed

wavelength

Profiling Fixed, slanted, vertical Active,usually

monostatic

LIDAR Backscatter, optical pulses, fixed

wavelength(s)

Profiling Scanning, fixed, horizontal,

slanted, vertical

Active, monostatic

RASS Backscatter, acoustic, electromagnetic,

fixed wavelength

Profiling Fixed, vertical Active, monostatic

FTIR Absorption, infrared, spectrum Path-averaging Fixed, horizontal, slanted Active, bistatic or

passive

Emission, infrared, spectrum Path-averaging Fixed, horizontal, slanted Passive

DOAS Absorption, optical, fixed wavelengths Path-averaging Fixed, horizontal Active, bistatic

Scintillometry Observation of refractive index fluctuations Path-averaging Fixed, horizontal Active, bistatic

Radiometry Electromagnetic, fixed wavelength(s) Averaging, profiling Fixed, scanning, slanted,

vertical

Passive

Tomography Travel time, acoustic, fixed wavelength Horizontal

distribution

Fixed, horizontal Active, multiple

emitters and
receivers