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Title: :  REGIONALIZATION OF THE PRECIPATION REGIME IN THE SOUTH-EASTERN PART OF MADAGASCAR
PaperId: :  9493
Published in:   International Journal Of Advance Research And Innovative Ideas In Education
Publisher:   IJARIIE
e-ISSN:   2395-4396
Volume/Issue:    Volume 5 Issue 1 2019
DUI:    16.0415/IJARIIE-9493
Licence: :   IJARIIE is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.

Author NameAuthor Institute
Nirilanto Miaritiana RasolozakaAtmosphere, Climate and Oceans Dynamics Laboratory (DyACO), Physics and Applications, Sciences and Technologies, University of Antananarivo, Madagascar
Niry Arinavalona RAKOTOVAOAtmosphere, Climate and Oceans Dynamics Laboratory (DyACO), Physics and Applications, Sciences and Technologies, University of Antananarivo, Madagascar
Jean Marc RABEHARISOAAtmosphere, Climate and Oceans Dynamics Laboratory (DyACO), Physics and Applications, Sciences and Technologies, University of Antananarivo, Madagascar
Andriamanga Adolphe RATIARISONAtmosphere, Climate and Oceans Dynamics Laboratory (DyACO), Physics and Applications, Sciences and Technologies, University of Antananarivo, Madagascar

Abstract

Climatology
Precipitation, southeastern part of Madagascar, classification, Kohonen neural network, Principal Component Analysis, subfield
The amount of rain during a given climatological period, within a specific region, determines the amount of agricultural production and the biodiversity life on that area. To know more about the rainfall class assigned at each point in the region, efficient and valid scientific techniques must be implemented. The main objective of this study is to look for homogeneous rainfall areas in the southeastern part of Madagascar; at 21°S to 24°S of latitude and 46.5°E to 48.5°E of longitude. We’ve chosen to use two different classification methods that are applied to rainfall data in this region. The first method is to classify linearly the data by using Principal Component Analysis. The second method is to use KOHONEN's competitive artificial neural networks to perform this classification. A single factorial axis, representing 92.693% of the variance of the axes, was selected for the Principal Component Analysis, thus generating three subfields. In the case of the Kohonen networks, composed of 6 by 7 neurons and a hexagonal topology, three distinct subfields could also be identified. In each subfield there are distinct monthly rainfall patterns, and the distribution of this last depends on the topographic position as well as the vegetation of the region considered.

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IJARIIE Nirilanto Miaritiana Rasolozaka, Niry Arinavalona RAKOTOVAO, Jean Marc RABEHARISOA, and Andriamanga Adolphe RATIARISON. "REGIONALIZATION OF THE PRECIPATION REGIME IN THE SOUTH-EASTERN PART OF MADAGASCAR" International Journal Of Advance Research And Innovative Ideas In Education Volume 5 Issue 1 2019 Page 566-576
MLA Nirilanto Miaritiana Rasolozaka, Niry Arinavalona RAKOTOVAO, Jean Marc RABEHARISOA, and Andriamanga Adolphe RATIARISON. "REGIONALIZATION OF THE PRECIPATION REGIME IN THE SOUTH-EASTERN PART OF MADAGASCAR." International Journal Of Advance Research And Innovative Ideas In Education 5.1(2019) : 566-576.
APA Nirilanto Miaritiana Rasolozaka, Niry Arinavalona RAKOTOVAO, Jean Marc RABEHARISOA, & Andriamanga Adolphe RATIARISON. (2019). REGIONALIZATION OF THE PRECIPATION REGIME IN THE SOUTH-EASTERN PART OF MADAGASCAR. International Journal Of Advance Research And Innovative Ideas In Education, 5(1), 566-576.
Chicago Nirilanto Miaritiana Rasolozaka, Niry Arinavalona RAKOTOVAO, Jean Marc RABEHARISOA, and Andriamanga Adolphe RATIARISON. "REGIONALIZATION OF THE PRECIPATION REGIME IN THE SOUTH-EASTERN PART OF MADAGASCAR." International Journal Of Advance Research And Innovative Ideas In Education 5, no. 1 (2019) : 566-576.
Oxford Nirilanto Miaritiana Rasolozaka, Niry Arinavalona RAKOTOVAO, Jean Marc RABEHARISOA, and Andriamanga Adolphe RATIARISON. 'REGIONALIZATION OF THE PRECIPATION REGIME IN THE SOUTH-EASTERN PART OF MADAGASCAR', International Journal Of Advance Research And Innovative Ideas In Education, vol. 5, no. 1, 2019, p. 566-576. Available from IJARIIE, https://ijariie.com/AdminUploadPdf/REGIONALIZATION_OF_THE_PRECIPATION_REGIME_IN_THE_SOUTH_EASTERN_PART_OF_MADAGASCAR_ijariie9493.pdf (Accessed : 26 September 2024).
Harvard Nirilanto Miaritiana Rasolozaka, Niry Arinavalona RAKOTOVAO, Jean Marc RABEHARISOA, and Andriamanga Adolphe RATIARISON. (2019) 'REGIONALIZATION OF THE PRECIPATION REGIME IN THE SOUTH-EASTERN PART OF MADAGASCAR', International Journal Of Advance Research And Innovative Ideas In Education, 5(1), pp. 566-576IJARIIE [Online]. Available at: https://ijariie.com/AdminUploadPdf/REGIONALIZATION_OF_THE_PRECIPATION_REGIME_IN_THE_SOUTH_EASTERN_PART_OF_MADAGASCAR_ijariie9493.pdf (Accessed : 26 September 2024)
IEEE Nirilanto Miaritiana Rasolozaka, Niry Arinavalona RAKOTOVAO, Jean Marc RABEHARISOA, and Andriamanga Adolphe RATIARISON, "REGIONALIZATION OF THE PRECIPATION REGIME IN THE SOUTH-EASTERN PART OF MADAGASCAR," International Journal Of Advance Research And Innovative Ideas In Education, vol. 5, no. 1, pp. 566-576, Jan-Feb 2019. [Online]. Available: https://ijariie.com/AdminUploadPdf/REGIONALIZATION_OF_THE_PRECIPATION_REGIME_IN_THE_SOUTH_EASTERN_PART_OF_MADAGASCAR_ijariie9493.pdf [Accessed : 26 September 2024].
Turabian Nirilanto Miaritiana Rasolozaka, Niry Arinavalona RAKOTOVAO, Jean Marc RABEHARISOA, and Andriamanga Adolphe RATIARISON. "REGIONALIZATION OF THE PRECIPATION REGIME IN THE SOUTH-EASTERN PART OF MADAGASCAR." International Journal Of Advance Research And Innovative Ideas In Education [Online]. volume 5 number 1 (26 September 2024).
Vancouver Nirilanto Miaritiana Rasolozaka, Niry Arinavalona RAKOTOVAO, Jean Marc RABEHARISOA, and Andriamanga Adolphe RATIARISON. REGIONALIZATION OF THE PRECIPATION REGIME IN THE SOUTH-EASTERN PART OF MADAGASCAR. International Journal Of Advance Research And Innovative Ideas In Education [Internet]. 2019 [Cited : 26 September 2024]; 5(1) : 566-576. Available from: https://ijariie.com/AdminUploadPdf/REGIONALIZATION_OF_THE_PRECIPATION_REGIME_IN_THE_SOUTH_EASTERN_PART_OF_MADAGASCAR_ijariie9493.pdf
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