Volcanic Ashes

these are my tweets about volcanic ashes earlier this morning:

@hgunawan82: “@agustiana81: Abu vulkanik itu apa? Dan kenapa warnanya kayak gitu? Kira2 bs dipakai apa ya?#anakbertanya @d_erwin_irawan bisa jawab?

@d_erwin_irawan: @hgunawan82 @agustiana81 #anakbertanya:ini summarynya:

letusan gnapi melonyarkan materi lava pijar n piroklastik (px). Px adl materi padat. Materi padat sehalus abu-sebesar rmh. Materi besar&berat jatuh tdk jauh dr kepundan.Materi halus akan terbang jauh terbawa angin. Warna abu gnapi abu2 muda-gelap krn kaya mineral logam. Abu/tanah gnapi subur, krn itu sering jd campuran pupuk,jg jd camp semen krn mengandung unsur logam, jd campuran bahan keramik, n bahkan di banyak tempat bahkan bisa jd campuran kosmetik mama :-). Lengkapnya menyusul 🙂 jgn lupa pakai masker ya.

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Erwin

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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