Data collection on the barge

On the barge program we regularly collect water samples and perform WQI tests on those samples. Some of this data is presented here, showing some of the monthly average values from the Chao Phraya WQI, from November 2008 to January 2010.


Our data collection is done mainly with students during barge trips throughout the year spanning Thailand’s three seasons: cool season from October to February; hot season from March to May; and rainy season from June to September. At this time we do not have any data for those months missing from these graphs. Error bars show the standard error of the mean.


Fig.1. Chao Phraya average monthly Water Quality Index (WQI) values (Jan 2010-Nov 2008)


Fig.2. Biological parameters of Chao Phraya River water quality - average monthly Q value for Fecal Coliform (FC) and Biological Oxygen Demand (BOD) (Jan 2010-Nov 2008).


Fig.3. Chemical parameters of Chao Phraya River water quality – average monthly Q value for Dissolved Oxygen (DO) and pH (Jan 2010-Nov 2008).


Fig. 4. Chemical parameters of Chao Phraya River water quality – average monthly Q value for Phosphate and Nitrate (Jan 2010-Nov 2008).


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