Blar i NORCE Klima og miljø på forfatter "Barimalala, Rondrotiana"
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The 2019–21 drought in southern Madagascar
Barimalala, Rondrotiana; Wainwright, Caroline; Kolstad, Erik Wilhelm; Demissie, Teferi Dejene (Peer reviewed; Journal article, 2024)Two consecutive failed rainy seasons in the southern part of Madagascar in 2019–21 had devastating impacts on the population, including an amplification of the ongoing food insecurity in the area. The drought events were ... -
Effects of the Congo Basin Rainforest on Rainfall Patterns
Barimalala, Rondrotiana; Kolstad, Erik Wilhelm; Parker, Douglas John; Williams, D. Aled (Research report, 2023)Large-scale deforestation in the Congo Basin has an impact on rainfall patterns, both in the Basin and beyond. Factors like socio-economic drivers contribute to ongoing deforestation, and forest loss rates are expected to ... -
Limited role of climate change in extreme low rainfall associated with southern Madagascar food insecurity, 2019-21
Harrington, Luke; Wolski, Piotr; Pinto, Izidine; Ramarosandratana, Anzel`a Mamiarisoa; Barimalala, Rondrotiana; Vautard, Robert; Philip, Sjoukje; Kew, Sarah F.; Singh, Roop; Heinrich, Dorothy; Arrighi, Julie; Raju, Emmanuel; Thalheimer, Lisa; Razanakoto, Thierry; Van Aalst, Maarten; Li, Sihan; Bonnet, Rémy; Yang, Wenchang; Otto, Friederike E. L.; van Oldenborgh, Geert Jan (Peer reviewed; Journal article, 2022)Southern Madagascar recently experienced a severe food security crisis, made significantly worse by well below average rainfall from July 2019 to June 2021. This exceptional drought has affected a region with high pre-existing ... -
Representation of the Mozambique channel trough and its link to southern African rainfall in CMIP6 models
Barimalala, Rondrotiana; James, Rachel; Munday, Callum; Reason, Chris J.C. (Peer reviewed; Journal article, 2022)The topography of Madagascar and the strength of the Mozambique Channel Trough (MCT) modulate summer rainfall over southern Africa. A strong MCT hinders the penetration of moisture bearing easterlies from the South Indian ...