Analysis of Measured Drop Size Spectra over Land and Sea

Figure 1

Sketch of the optical disdrometer ODM 470. From left to right: electronics (1), light-emitting diode (2), lens system (3), window (4), baffles (5), sensitive volume (6), achromatic collector lens (7), optical blend (8), ocular (9), photo diode (10), and electronic compartment (11).