Lal Muthuwatta

Researcher - Hydrology-Hydrological Modelling, Deputy Country Manager - Sri Lanka, CGIAR Country Convener - Sri Lanka


Lal worked at the Open University of Sri Lanka and the University of Peradeniya, Sri Lanka as an Academic Staff Member from 1991 to 1993. He was involved with teaching mathematics and numerical modeling courses to undergraduate and postgraduate students. From 1993 to 1995, he worked as a GIS Expert at the Malaria Research Institute attached to the Faculty of Medicine, University of Colombo. From 1995 to 1996, Lal was a Visiting Academic at the University of Colombo and the University of Peradeniya, Sri Lanka. During that period, he was involved with helping research students on spatial modeling.


Current projects


Latest news for Lal Muthuwatta

IWMI and IUCN explore solutions to Sri Lanka’s environmental challenges

Joint symposium brings together science, policy and community action to protect Sri Lanka's most at-risk biodiversity and water systems ...

A collaborative approach strengthens Sri Lanka’s groundwater conservation

UK's Minister for Indo-Pacific launches citizen science element of Jaffna groundwater project ...

IWMI Director General meets Sri Lanka’s Prime Minister to strengthen partnership on water management and sustainable development 

Smith reinforced IWMI’s shared mission of building long-term resilience in Sri Lanka’s water resources ...

Jaffna’s groundwater crisis requires a collaborative pathway to sustainable water management

IWMI and local partners are developing an intervention which centers climate resilience to safeguard groundwater in Jaffna in Sri Lanka's Northern Province ...

IWMI hydrologist recognized with President’s Award

Lal Muthuwatta, hydrologist and mathematical modeler at IWMI, received the President's award for a journal article on his research in a river basin in Iran ...

Latest publications by Lal Muthuwatta

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Journal Article

Suitability of paddy cultivation in the Western province of Sri Lanka under different climate change scenarios

Public Library of Science | October 27th, 2025
Pitawala, K. G.; Vidanage, S. P.; Muthuwatta, Lal; Alotaibi, B. A.; Najim, M. M. M.; Nayak, R.
Open Access
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Report

Climate and conflict vulnerability mapping of Northern, Northwestern, Eastern and Uva provinces of Sri Lanka

International Water Management Institute | October 24th, 2025
Dissanayaka, Sujeewa; Eriyagama, Nishadi; Fernando, K.; Azmy, N.; de Alwis, T.; Perera, M.; Muthuwatta, Lal; Abeywardana, H. R.; Morugama, S.; de Silva, Sanjiv; Vinopavan, K.
Open Access
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Journal Article

Variability of Rainfall and the Cropping Season of a Tropical Dry Zone River Basin: A Case Study in the Malwathu Oya River Basin in Sri Lanka

Wiley | July 11th, 2025
Abeysingha, N. S.; Madurapperuma Arachchige, S. D.; Ray, R. L.; Muthuwatta, Lal
Open Access

All publications by this author

Contact

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Languages

English, Sinhala

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