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Food security in India is tightly linked to rainfall variability. Trends in Indian rainfall records have been extensively studied but the subject remains complicated by the high spatiotemporal variability of rainfall arising from complex atmospheric dynamics. For various reasons past studies have...


Lacombe, GuillaumeMcCartney, Matthew P.[Uncovering consistencies in Indian rainfall trends observed over the last half century]Uncovering consistencies in Indian rainfall trends observed over the last half century

As hydropower dam construction in rapidly growing economies dislodges communities, rural development experts must help the displaced make their livelihoods in new lacustrine environments. One question is whether the dam infrastructure can directly benefit those who remain within the vicinity of t...


Reis, J.Culver, T.B.Lacombe, GuillaumeSenaratna Sellamuttu, Sonali[Reservoir operation for recession agriculture in Mekong basin, Laos]Reservoir operation for recession agriculture in Mekong basin, Laos

Study region: Increasing demographic pressure and economic development in the Mekong Basin result in greater dependency on river water resources and increased vulnerability to streamflow variations. Study focus: Improved knowledge of flow variability is therefore paramount, especially in remote c...


Lacombe, GuillaumeDouangsavanh, SomphasithVogel, R.M.McCartney, Matthew P.Chemin, Yann H.Rebelo, Lisa-MariaSotoukee, Touleelor[Multivariate power-law models for streamflow prediction in the Mekong Basin]Multivariate power-law models for streamflow prediction in the Mekong Basin

Though there are surprisingly few estimates of the economic benefits of coordinated infrastructure development and operations in international river basins, there is a widespread belief that improved cooperation is beneficial for managing water scarcity and variability. Hydro-economic optimizatio...


Jeuland, M.Baker, J.Bartlett, R.Lacombe, Guillaume[The costs of uncoordinated infrastructure management in multi-reservoir river basins]The costs of uncoordinated infrastructure management in multi-reservoir river basins

The Vietnam War played a decisive role in the pre-1990s deforestation of the lower Mekong Basin, which in turn likely influenced regional broad-scale hydrology. This note presents and discusses new analyses that strengthen this thesis. Although concurrent overestimation of discharge and underesti...


Lacombe, GuillaumePierret, Alain[Hydrological impact of war-induced deforestation in the Mekong Basin]Hydrological impact of war-induced deforestation in the Mekong Basin

Lacombe, GuillaumeChinnasamy, PennanNicol, Alan[Review of climate change science, knowledge and impacts on water resources in South Asia. Background Paper 1]Review of climate change science, knowledge and impacts on water resources in South Asia. Background Paper 1

Hydropower production is altering the Mekong River basin’s riverine ecosystems, which contain the world’s largest inland fishery and provide food security and livelihoods to millions of people. The basin’s hydropower reservoir storage, which may rise from ~2% of its mean annual flow in 2008 to ~2...


Hecht, J.S.Lacombe, GuillaumeArias, M.E.Duc Dang, T.Piman, T.[Hydropower dams of the Mekong river basin: a review of their hydrological impacts]Hydropower dams of the Mekong river basin: a review of their hydrological impacts

This study assessed the feasibility of using roof-top rainwater harvesting system (RWHS) to irrigate home-based vegetable gardens in Laos. Surveys were conducted in three villages located in the provinces of Vientiane and Savannakhet to gather quantitative data on irrigation and farming practices...


Jacq, EstelleLacombe, GuillaumeHeang, VytouDouangsavanh, Somphasith[Is roof-top rainwater harvesting a viable solution to develop small-scale agriculture? (A case study in Laos)]Is roof-top rainwater harvesting a viable solution to develop small-scale agriculture? (A case study in Laos)

The humid tropics are exposed to an unprecedented modernisation of agriculture involving rapid and mixed land-use changes with contrasted environmental impacts. Afforestation is often mentioned as an unambiguous solution for restoring ecosystem services and enhancing biodiversity. One consequence...


Lacombe, GuillaumeRibolzi, OlivierRouw, Anneke dePierret, A.Latsachak, K.Silvera, N.Dinh, R.P.Orange, D.Janeau, Jean L.Soulileuth, B.Robain, H.Taccoen, A.Sengphaathith, P.Mouche, E.Sengtaheuanghoung, OlothTran Duc, T.Valentin, Christian[Contradictory hydrological impacts of afforestation in the humid tropics evidenced by long-term field monitoring and simulation modelling]Contradictory hydrological impacts of afforestation in the humid tropics evidenced by long-term field monitoring and simulation modelling

Melioidosis, a severe infection with the environmental bacterium Burkholderia pseudomallei, is being recognised increasingly frequently. What determines its uneven distribution within endemic areas is poorly understood. We cultured soil from a rice field in Laos for B. pseudomallei at different d...


Lacombe, GuillaumeRibolzi, OlivierRochelle-Newall, E.Dance, D.A.B.Manivanh, L.Pierret, A.Rattanavong, S.Kounnavongsa, O.Buisson, Y.Elliott, I.Maeght, J.L.Xayyathip, K.Silisouk, J.Vongsouvath, M.Phetsouvanh, R.Newton, P.N.[Burkholderia pseudomallei in a lowland rice paddy: seasonal changes and influence of soil depth and physico-chemical properties]Burkholderia pseudomallei in a lowland rice paddy: seasonal changes and influence of soil depth and physico-chemical properties

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