General Cruise Information, 			
Underway SOMMA:  Operations, Data Reduction and Quality Control			

General Cruise Information:			
Ship				Ronald H. Brown
Year				1999
Cruise name			RB-99-07 (TAO)
Leg				1
Date depart			11/1/99
Date arrive			12/8/99
Port depart			Seattle
Port arrive			San Diego
Chief scientist			Andrew J. Shepherd
pCO2 operator			Esa Peltola
pCO2 (responsible person)	Robert Castle
TCO2 (responsible person)	Esa Peltola
Chl (responsible person)	Robert Castle
O2 (responsible person)		Esa Peltola


Underway SOMMA (AOML-2) Operations, Data Reduction and Quality Control:		
			
Operations:			
1. Nov 1: Departure from Seattle			
2. Nov 6 (310.028): The system was shut down while the ship made a pick up in San Diego and 			
    while sailing in the Mexican waters.			
3. Nov 10 (314.169): The system was turned back on.			
4. Nov 23 (327.695 - 327.896): The system did not fill the pipette with seawater.			
    There was a leakage in the headspace gas line.			
5. Dec 1 (335.426 - 335.810): The coulometer had jammed.			
6. Dec 2 (336.673): The system was shut down, arrival to Mexican waters.		
7. Dec 8: Arrival to San Diego			

Data Reduction and Quality Control:			
1. LAT, LONG and TSG S were merged.			
2. Salinity correction was applied for the samples.			
3. CRM correction:			
    Batch #43 was used during the entire cruise			
    Average: 			1995.14
    Stdev: 			1.08
    Number of standards:	28
    Certified Value:		1988.64
    Correction:			-6.5
4. Quality control:			
    The following plots were created and used to evaluate the data:			
    TCO2 vs. Julian Time			
    TCO2 vs. LAT			
    TCO2 vs. LONG			
    Chlorophyll  vs. Julian Time
    Chlorophyll  vs. LAT
    Chlorophyll  vs. LONG
    Chlorophyll vs. TCO2
    Temperature vs. TCO2
    Salinity vs. TCO2
    fCO2 (water) vs. TCO2
    fCO2 (air) vs. TCO2