Understanding Cikapundung (v.1)

Dasapta Erwin Irawan Applied Geology Research Group Faculty of Earth Sciences and Technology Institut Teknologi Bandung 0000-0002-1526-0863

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Short bio• Education: Undergrad in Geology 1998, Master

in Hydrogeology 2001, and PhD 2009 in hydrochemistry.

• Assignment: Lecturer and researcher in Applied Geology Research Group, Faculty of Earth Sciences and Technology, Institut Teknologi Bandung. ORCID and OSF ambassador for Indonesia.

• Research interests: hydrogeology, hydrochemistry and multivariate analysis.

• Tweeting as @dasaptaerwin and @hydrogeoITB.

• Email: erwin[@]fitb[.]itb[.]ac[.]id

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Location

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A bit about Cikapundung

• Length: 28.5 km

• Basin: Citarum river basin (6600 km2), West Java Province

• Location: Greater Bandung Area

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(Photo: Republika Online)

A bit about Cikapundung• Rainfall: averagely

2300 mm/annum

• Role: water supply for 300,000 ha of rice fields; nearly 2.5 million population (in 5 major developing areas); small electricity power plant (3.150 kW).

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(drone photography: by Dadi 2017)

Topography

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Topography

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Gaps: quantity vs quality

• Water quality decreases as the river flows deeper into the city.

• Contaminations: heavy metals, nitrates, and organic substances.

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Photo: Ahmad Darul (2014)

Photo: PikiranRakyat.com

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Groundwater-river interactions

Interesting on-going activities

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• Biodiversity (vegetation and micro organism) mapping in riparian zone,

• Water exchange in the riverbank/hyporheic zone,

• Water quality based on IFLS data vs diarrhoea diseases.

(Photo: by Tantra)

(Photo: by Sri Aditya)

Research timeline

• water flow numerical model,

• water quality modelling,

• water leakage to the fractured aquifer, citizen flood reporting

2010

2000

1990

1980

1970

Recent

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• analog water flow model,

• flood modelling

• regional hydrological assessment

• organic contaminants, • flood modelling

• participatory management

• flood modelling

• regional geology • discharge

measurements

Biodiversity mapping on several sites

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upstream

downstreamSulistyawati et al. (2017)(Photo: by Tantra)

Potential collaborations

• Design, installation, and analysis of SMART data logger equipment.

• Citizen flood reporting.

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River stream video

(Photo: liputan6.com)

Our growing contributors

• Prof.Dr. Deny Juanda Puradimaja, hydrogeologist

• Prof.Dr. Sudarto Notosiswoyo, hydrogeologist

• Prof.Dr. TA. Sanny, geophysicist

• Prof.Dr. Robert Delinom, hydrogeologist

• Dr. Budi Brahmantyo, geomorphologist

• Dr. R. Fajar Lubis, hydrogeologist

• Dr. Bambang Sunarwan, hydrogeologist

• Dr. Susanna Nurjaman, hydrologist

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• dr. Cut Novianti Rachmi, MIPH, public health researcher (PhD Candidate)

• Dr. Endah Sulistyawati, ecologist

• Dr. Keukeu Rosada, microbiologist

• Dr. Rusmawan Suwarman, meteorologist

• Ahmad Darul, SSi, MT, geographer

• Anggita Agustin, SSi, MT, hydrogeologist

• Edi Riawan, SSi, MT, meteorologist (PhD Candidate)

• M. Irsyad, ST., MT, GIS analyst (PhD Candidate)

• M. Fadli, SSi, meteorologist

Thank you

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