Table 3.70. Summary of natural and cultural features of Chenier Basin. 



A. Hydrology of the Chenier Basin 



B. Primary production, potential yield and harvest of 

 living resources of Chenier Basin. 



Riverine Processes 



Freshwater flow volume (into basin) 

 no data 



Upstream drainage area 

 9,539 km drains into Mermentau Basin, which, 

 in turn, drains partially into Chenier Basin 



Annujil rainfall 146 cm (at Lake Arthur) 



Annual rain surplus 



(Chenier jmd Mermentau) 55.2 cm/yr 



Maximum freshwater renewal time: 

 (Chenier and Mermentau) 83 days 



Surface water slope: See Mermentau Basin 

 (fig. 3-38) 



Tides: 



Range: 24 to 42 cm (monthly mean) (fig. 3-32) 

 Period: Primarily diurnal 



Water level variation 



Seasonal: Minimum November-February, 

 high all summer (fig. 3-41) 



Long term: See Mermentau Basin (fig. 3-38) 



Salinity: 



Seasonal: No data 

 Long term: No data 



Control structures and modifications 



Flow into Chenier Basin is discharged 

 from Mermentau Basin at Catfish 

 Point Control Structure (CPCS). 

 GIWW 



Per 



km^ 



Per 

 basin 



Net primary production (t/yr) 1,222.4 2,389,228 

 Appendix 6.3 



Sport hunting and fishing use 

 estimated potential yield^ 



Method explained in part 3.5.2 



bp, 



Present harvest attributed to basin (part 3.2.4) 



continued 



114 



