Table 1 



Wave Gage Deployment Information 



No. 



Date 



Equipment 



Comments 



1 



05/07/90 to 

 12/06/90 



2 pods, with Puv's and 

 acoustic releases 



First pod damaged (by shrimp 

 trawler), good data. Second pod 

 not located, no data 



2 thermal depth recorders 

 (TDR's) 



Not located, presumably buried, 

 no data 



2 



12/06/90 to 

 07/17/91 



1 pod, with Puv and 

 acoustic release 



Pod shifted (by shrimp trawler?), 

 data quality poor 



3 



07/17/91 to 

 01/15/92 



1 pod, with Puv and 

 acoustic release 



Puv storage disk crashed, no data 

 collected 



4 



01 /I 5/92 to 

 05/14/92 



1 pod, with Puv and 

 acoustic release 



Pressure data good, current meter 

 failure 



1 pod, with DWG and 

 acoustic release 



Data good 



5 



05/14/92 to 

 12/16/92 



1 pod, with Puv and 

 acoustic release 



Data good through early 

 September 



1 pod, with DWG and 

 acoustic release 



Instrument failure, no data 



6 



12/16/92 to 

 04/20/94 



1 pod, with Puv and 

 acoustic release 



Battery failure, no data 



1 pod, with DWG and 

 acoustic release 



Not located, no data 



complete coverage of the project area. Field equipment to take those 

 measurements consisted of the following: 



a. An instrumented platform and two sleds deployed in the surf zone to 

 measure currents and sediment concentration. 



b. An Acoustic Doppler Current Profiler (ADCP), and a Puv-mounted 

 ECM to measure current velocities and sediment flux in the mouth of 

 the Colorado River. 



c. Standard and newly developed fiber optic backscatter sensors (FOBS) 

 to measure suspended sediment concentrations close to the seabed in 

 the surf zone. 



Platform and sleds. One platform and two sleds containing similar sensors 

 were designed to take sediment transport rate measurements. The platform was 

 designed for shallower water (maximum depth of about 1 m), and was carried 

 to its deployment location by the field team. The sleds were designed for 

 deeper depths, though still within (or near) the surf zone, and were moved into 

 position using a cable attached to an anchor/pulley system. This allowed a 

 truck on the beach to move them to either shallower or deeper locations. 



Chapter 3 MCCP Monitoring Plan and Implementation 



13 



