ジャヤンテイベンカタラトナム (Ratnam Venkata Jayanthi) - マイポータル

基本情報

所属: 国立研究開発法人海洋研究開発機構

J-GLOBAL ID: 201801020899440098
researchmap会員ID: B000313049

研究分野

環境・農学 / 環境動態解析 /

論文

A simple statistical technique to improve seasonal predictions of northeast monsoon rainfall over India using selective ensemble mean

Jayanthi V. Ratnam, Swadhin K. Behera, Masami Nonaka, Takeshi Doi

Scientific Reports 2026年4月22日査読有り筆頭著者
Enhancing Indian Summer Monsoon Prediction: Deep Learning Approach for Skillful Long-Lead Forecasts of Rainfall

Kalpesh R. Patil, Takeshi Doi, J.V. Ratnam, Swadhin K. Behera

Applied Computing and Geosciences 100257-100257 2025年6月
Skillful prediction of Indian Ocean Dipole index using machine learning models

J.V. Ratnam, Swadhin K. Behera, Masami Nonaka, Kalpesh R. Patil

Applied Computing and Geosciences 25 100228-100228 2025年2月査読有り筆頭著者
Role of ocean and climate in terrestrial ecosystems

Swadhin K. Behera, Roma Varghese, J. V. Ratnam, Takeshi Doi, Mukunda Dev Behera

Sustainable Development Perspectives in Earth Observation 419-435 2025年1月1日
Predicting monthly precipitation in the wet season over Saudi Arabia using a seasonal prediction system

J. V. Ratnam, Swadhin K. Behera, Ibrahim Hoteit, Takeshi Doi, Masami Nonaka

Weather and Forecasting 2024年12月19日査読有り筆頭著者
Skillful prediction of the maximum air temperature over India using a seasonal prediction system

J. V. Ratnam, Swadhin K. Behera, Takeshi Doi, Masami Nonaka

Climate Dynamics 62(10) 9861-9879 2024年9月13日査読有り筆頭著者
A Simple Statistical Postprocessing Scheme for Enhancing the Skill of Seasonal SST Predictions in the Tropics

Ingo Richter, Jayanthi V. Ratnam, Patrick Martineau, Pascal Oettli, Takeshi Doi, Tomomichi Ogata, Takahito Kataoka, François Counillon

Monthly Weather Review 152(4) 1039-1056 2024年4月
Utilizing a novel high-resolution malaria dataset for climate-informed predictions with a deep learning transformer model.

Micheal T Pillay, Noboru Minakawa, Yoonhee Kim, Nyakallo Kgalane, Jayanthi V Ratnam, Swadhin K Behera, Masahiro Hashizume, Neville Sweijd

Scientific reports 13(1) 23091-23091 2023年12月28日
Predicting maximum temperatures over India 10-days ahead using machine learning models

J. V. Ratnam, Swadhin K. Behera, Masami Nonaka, Patrick Martineau, Kalpesh R. Patil

Scientific Reports 13(1) 2023年10月11日査読有り筆頭著者
Predicting malaria outbreaks from sea surface temperature variability up to 9 months ahead in Limpopo, South Africa, using machine learning

Patrick Martineau, Swadhin K. K. Behera, Masami Nonaka, Ratnam Jayanthi, Takayoshi Ikeda, Noboru Minakawa, Philip Kruger, Qavanisi E. E. Mabunda

FRONTIERS IN PUBLIC HEALTH 10 2022年8月
Using Selected Members of a Large Ensemble to Improve Prediction of Surface Air Temperature Anomalies Over Japan in the Winter Months From Mid-Autumn

J. V. Ratnam, Takeshi Doi, Ingo Richter, Pascal Oettli, Masami Nonaka, Swadhin K. Behera

Frontiers in Climate 4 2022年6月16日筆頭著者
Winter surface air temperature prediction over Japan using artificial neural networks

J. V. Ratnam, Masami Nonaka, Swadhin K. Behera

Weather and Forecasting 36(4) 1343-1356 2021年5月17日査読有り筆頭著者
Improving Predictions of Surface Air Temperature Anomalies over Japan by the Selective Ensemble Mean Technique

J. V. Ratnam, Takeshi Doi, Yushi Morioka, Pascal Oettli, Masami Nonaka, Swadhin K. Behera

Weather and Forecasting 36(1) 207-217 2021年2月査読有り筆頭著者
Publisher Correction: Malaria predictions based on seasonal climate forecasts in South Africa: A time series distributed lag nonlinear model (Scientific Reports, (2019), 9, 1, (17882), 10.1038/s41598-019-53838-3)

Yoonhee Kim, J. V. Ratnam, Takeshi Doi, Yushi Morioka, Swadhin Behera, Ataru Tsuzuki, Noboru Minakawa, Neville Sweijd, Philip Kruger, Rajendra Maharaj …

Scientific Reports 10(1) 2020年12月1日
Air-sea interactions in tropical Indian Ocean: The Indian Ocean Dipole

Swadhin Kumar Behera, Takeshi Doi, J. Venkata Ratnam

Tropical and Extratropical Air-Sea Interactions: Modes of Climate Variations 115-139 2020年1月1日
A machine learning based prediction system for the Indian Ocean Dipole

J.V. Ratnam, H. A. Dijkstra, Swadhin K. Behera

Scientific Reports 2020年1月査読有り
Long-lead Prediction of ENSO Modoki Index using Machine Learning algorithms

Manali Pal, Rajib Maity, J. V. Ratnam, Masami Nonaka, Swadhin K. Behera

Scientific Reports 10(1) 2020年1月査読有り
Contrasting features of hydroclimatic teleconnections and the predictability of seasonal rainfall over east and west Japan

Rajib Maity, Kironmala Chanda, Riya Dutta, J. V. Ratnam, Masami Nonaka, Swadhin Behera

Meteorological Applications 27(1) 2020年1月査読有り
Malaria predictions based on seasonal climate forecasts in South Africa: A time series distributed lag nonlinear model

Kim, Yoonhee, Ratnam, J. V., Doi, Takeshi, Morioka, Yushi, Behera, Swadhin, Tsuzuki, Ataru, Minakawa, Noboru, Sweijd, Neville, Kruger, Philip, Maharaj, Rajendra …

SCIENTIFIC REPORTS 9 2019年11月査読有り
Improving seasonal forecasts of air temperature using a genetic algorithm

ジャヤンテイベンカタラトナム

Scientific Reports 9 2019年9月査読有り

もっとみる

講演・口頭発表等

Skillful prediction of maximum air temperature over India using a seasonal prediction system

J.V. Ratnam, S.K. Behera, Takeshi Doi, Masami Nonaka

International Symposium on Tropical Meteorology (INTROMET 2025), held at IITM Pune India 2025年11月19日招待有り
Heatwaves and their predictability

J. V. Ratnam

International Conference on Frontier Areas of Science and Technology 2025 (ICFAST) 2025年10月11日
AI for weather predictions: current status and future directions

J. V. Ratnam

Workshop on AI/ML and Physical models for extreme events and energy sector Organized by ATRIA university, India 2025年6月7日招待有り
Skillful prediction of Atlantic Nino index using machine learning models

J.V. Ratnam, Ingo Richter

JPGU 2025 2025年5月30日

ジャヤンテイベンカタラトナム

基本情報

研究分野

論文

講演・口頭発表等

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