ANDERSON: BOTTOM PROPERTIES FOR LONG-RANGE PROPAGATION PREDICTION 



A. MEASUREMENTS (EMPIRICAL MODELS) 



1. "STANDARD" TABLES AMOS 



MGS 



FASOR 



SPECIALIZED 



MATHEMATICAL MODELS 



1. PLANE INTERFACE 



2. ROUGH INTERFACE 



3. PENETRABLE ROUGH INTERFACE 



4. SEDIMENT PARAMETERS— ^ GEOACOUSTIC MODEL 



Figure 1. BOTTOM- LOSS MODELS 



300 



