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Christian Ulrich RAKOTOMALALA

Madagascar-National Institute of Sciences and Nuclear Technology (INSTN-Madagascar)

Ankatso, University of Antananarivo

Antananarivo, Antananarivo 101

Madagascar

  • Madagascar-National Institute of Sciences and Nuclear Technology (INSTN-Madagascar)

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SCHOLARLY PAPERS

3

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111

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Scholarly Papers (3)

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1.

Analysing Droughts and High Rainfall Events Using the Standardized Precipitation Index  and Standardized Precipitation and Evapotranspiration Index in Toamasina Madagascar

Number of pages: 27 Posted: 25 Apr 2025
Christian Ulrich RAKOTOMALALA, Voahirana RAMAROSON, Joël RAJAOBELISON, Naivo RABESIRANANA and Falintsoa Fanantenana Asombol RAZAFITSALAMA
Madagascar-National Institute of Sciences and Nuclear Technology (INSTN-Madagascar), affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN and affiliation not provided to SSRN
Downloads 42 (1,183,237)

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SPI, SPEI, Temperature, Precipitation, Evapotranspiration, Toamasina

2.

Seasonal groundwater contamination and well vulnerability in flood-prone areas of the Ikopa watershed, Antananarivo, Madagascar: a multi-tracer hydrogeochemical and statistical study

Number of pages: 44 Posted: 18 Feb 2026
Voary Rajoelina, Geneviève Bordeleau, Naivo RABESIRANANA, Joël RAJAOBELISON, Voahirana RAMAROSON, Emma Mamifarananahary, Christian Ulrich RAKOTOMALALA and Falintsoa Fanantenana Asombol Razafitsalama
affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Madagascar-National Institute of Sciences and Nuclear Technology (INSTN-Madagascar) and affiliation not provided to SSRN
Downloads 37 (1,345,526)

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Floodplain aquifer, Multi-tracer approach, Residence time, River-aquifer interactions, Seasonal variability, Shallow wells

3.

Analysing Droughts and High Rainfall Events Using the Standardized Precipitation Index (SPI) and Standardized Precipitation and Evapotranspiration Index (Spei), in Toamasina Madagascar, a Cobalt-Nickel Ore Treatment Zone

Number of pages: 25 Posted: 03 Mar 2025
Christian Ulrich RAKOTOMALALA, Voahirana RAMAROSON, Joël RAJAOBELISON, Naivo RABESIRANANA and Falintsoa Fanantenana Asombol RAZAFITSALAMA
Madagascar-National Institute of Sciences and Nuclear Technology (INSTN-Madagascar), affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN and affiliation not provided to SSRN
Downloads 32 (1,304,549)

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SPI, SPEI, Temperature, Precipitation, Evapotranspiration, Toamasina