The World on April 17th

1704 – 1st successful US newspaper (Boston);
1883 – 120 days of count down to the great Krakatau eruption;
1889 – 1 day after Charles Spencer Chaplin’s birth;
1912 – two days after Titanic disaster;
1937 – Daffy Duck, Elmer J Fudd & Petunia Pig, debut;
1961 – Bay of Pigs invasion;
1970 – Apollo 13 limps back safely with severe damage


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Research interest: Hydrochemistry, multivariate analysis, and R programming My current focus is how to provide the hydrostratigraphy of volcanic aquifers in Bandung area. The research is based on environmental isotope measurement in groundwater and morphometry. My work consists of hydrochemical measurements. I am using multivariate statistical methods to provides more quantitative foundation for the analysis and more insight into the groundwater behaviour.

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