SECT. 5] 



DEEP-SEA ANCHORING AND MOORING 



517 



This type of instrument platform or vehicle is the most variable in design, for 

 the separation of the instrument from the bottom may be either only a few 

 inches or many thousands of meters. 



Such instrumentation is usually operated in a series installation spanning a 



(5) Float 



15 to 100 tmS > ~~~ (4) Buoyant pennont 

 (3) Float 



100 to 3000 fm 



-(2) Mooring wire 



(1) Dead -weight anchor 



*••■■. ' • : ■ ■ ■ ■ ■• ■■•■•■■■• TV:V<*- ! 



Fig. 1. Taut mooring. 



Surface buoy 



Fig. 2. Slack mooring. 



