World's Best Scientists 2026 revealed!
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Earth Science
India
2026

D-Index & Metrics

Earth Science

D-Index
61
Citations
11791
World Ranking
1813
National Ranking
3

Research.com Recognitions

  • 2026 - Research.com Earth Science in India Leader Award
  • 2025 - Research.com Earth Science in India Leader Award

Overview

Al. Ramanathan is affiliated with Jawaharlal Nehru University in India and has authored numerous research publications primarily in the fields of Earth and Planetary Sciences and Environmental Science. Their work extensively covers subfields such as Atmospheric Science, Geochemistry and Petrology, Water Science and Technology, Infectious Diseases, and Environmental Engineering.

The scientist's main research topics include:

  • Cryospheric studies and observations
  • Climate change and permafrost
  • Groundwater and Isotope Geochemistry
  • Arctic and Antarctic ice dynamics
  • Landslides and related hazards
  • Heavy metals in environment
  • Geology and Paleoclimatology Research

Among recent scientific papers, notable publications include:

  • Understanding the interrelationships among mass balance, meteorology, discharge and surface velocity on Chhota Shigri Glacier over 2002-2019 using in situ measurements (2020), Journal of Glaciology
  • Mass-balance observation, reconstruction and sensitivity of Stok glacier, Ladakh region, India, between 1978 and 2019 (2020), Journal of Glaciology
  • Assessment of toxicity and potential health risk from persistent pesticides and heavy metals along the Delhi stretch of river Yamuna (2021), Environmental Research
  • Frontier review on the propensity and repercussion of SARS-CoV-2 migration to aquatic environment (2020), Journal of Hazardous Materials Letters
  • Assessment of arsenic and uranium co-occurrences in groundwater of central Gangetic Plain, Uttar Pradesh, India (2020), Environmental Earth Sciences

Frequent co-authors with whom Al. Ramanathan has collaborated include:

  • Mohd Soheb
  • Arindan Mandal
  • Mohd Farooq Azam
  • S. Chidambaram
  • Manish Kumar

The scientist frequently publishes in the following venues:

  • Journal of Climate Change
  • Journal of Glaciology
  • Zenodo (CERN European Organization for Nuclear Research)
  • Environmental Research
  • Journal of Environmental Management

Best Publications

  • Identification and evaluation of hydrogeochemical processes in the groundwater environment of Delhi, India

    Manish Kumar;Al. Ramanathan;M. S. Rao;Bhishm Kumar

  • A comparative evaluation of groundwater suitability for irrigation and drinking purposes in two intensively cultivated districts of Punjab, India

    Manish Kumar;Manish Kumar;Kalpana Kumari;A. L. Ramanathan;Rajinder Saxena

  • Four years of mass balance on Chhota Shigri Glacier, Himachal Pradesh, India, a new benchmark glacier in the western Himalaya

    Patrick Wagnon;Anurag Linda;Yves Arnaud;Rajesh Kumar

  • Geochemical assessment of groundwater quality in vicinity of Bhalswa landfill, Delhi, India, using graphical and multivariate statistical methods

    Sunil Kumar Srivastava;A. L. Ramanathan

  • From balance to imbalance: a shift in the dynamic behaviour of Chhota Shigri glacier, western Himalaya, India

    Mohd Farooq Azam;Patrick Wagnon;Alagappan Ramanathan;Christian Vincent

  • Arsenic and other elements in drinking water and dietary components from the middle Gangetic plain of Bihar, India: Health risk index.

    Manoj Kumar;Mohammad Mahmudur Rahman;A. L. Ramanathan;Ravi Naidu;Ravi Naidu;Ravi Naidu

  • Assessment of groundwater quality of Lakshimpur district of Bangladesh using water quality indices, geostatistical methods, and multivariate analysis

    Mohammad Amir Hossain Bhuiyan;Mohammad Amir Hossain Bhuiyan;Md. Bodrud-Doza;A. R. M. Towfiqul Islam;A. R. M. Towfiqul Islam;M. A. Rakib

  • Hydrogeochemical processes in the groundwater environment of Muktsar, Punjab: conventional graphical and multivariate statistical approach

    Manish Kumar;Manish Kumar;Kalpana Kumari;Umesh Kumar Singh;A. L. Ramanathan

  • Arsenic Contamination of Groundwater in Nepal—An Overview

    Jay Krishna Thakur;Rinku Kumari Thakur;AL Ramanathan;Manish Kumar

  • Assessment of the impact of landfill on groundwater quality: A case study of the Pirana site in western India

    Umesh Kumar Singh;Manish Kumar;Rita Chauhan;Pawan Kumar Jha

  • Environmental geochemistry of the Pichavaram mangrove ecosystem (tropical), southeast coast of India

    A. L. Ramanathan;V. Subramanian;R. Ramesh;S. Chidambaram

  • A study of trace element contamination using multivariate statistical techniques and health risk assessment in groundwater of Chhaprola Industrial Area, Gautam Buddha Nagar, Uttar Pradesh, India

    Manoj Kumar;A L Ramanathan;Ritu Tripathi;Sandhya Farswan

  • Processes governing the mass balance of Chhota Shigri Glacier (Western Himalaya, India) assessed by point-scale surface energy balance measurements

    M. F. Azam;M. F. Azam;P. Wagnon;P. Wagnon;C. Vincent;Al. Ramanathan

  • Reconstruction of the annual mass balance of Chhota Shigri glacier, Western Himalaya, India, since 1969

    Mohammed Farooq Azam;Patrick Wagnon;Christian Vincent;Alagappan Ramanathan

  • Balanced conditions or slight mass gain of glaciers in the Lahaul and Spiti region (northern India, Himalaya) during the nineties preceded recent mass loss

    C. Vincent;Al. Ramanathan;P. Wagnon;P. Wagnon;D. P. Dobhal

  • Groundwater chemistry and human health risk assessment in the mining region of East Singhbhum, Jharkhand, India

    Umesh Kumar Singh;A.L. Ramanathan;V. Subramanian

  • Biosorption of arsenite (As+3) and arsenate (As+5) from aqueous solution by Arthrobacter sp. biomass

    Kumar Suranjit Prasad;A. L. Ramanathan;Jaishree Paul;Vaidyanathan Subramanian

  • Fluoride removal studies in water using natural materials

    S Chidambaram;AL Ramanathan;S Vasudevan

  • Tracing the factors responsible for arsenic enrichment in groundwater of the middle Gangetic Plain, India: a source identification perspective

    Pankaj Kumar;Manish Kumar;A. L. Ramanathan;Maki Tsujimura

  • Understanding the extent of interactions between groundwater and surface water through major ion chemistry and multivariate statistical techniques

    Manish Kumar;Al. Ramanathan;A. K. Keshari

  • Meteorological conditions, seasonal and annual mass balances of Chhota Shigri Glacier, western Himalaya, India

    Mohd Farooq Azam;Al. Ramanathan;P. Wagnon;C. Vincent

Frequent Co-Authors

S. Chidambaram
S. Chidambaram Kuwait Institute for Scientific Research
V. Subramanian
V. Subramanian Jawaharlal Nehru University
Prosun Bhattacharya
Prosun Bhattacharya Royal Institute of Technology
Patrick Wagnon
Patrick Wagnon Grenoble Alpes University
K. Srinivasamoorthy
K. Srinivasamoorthy Pondicherry University
Ravi Naidu
Ravi Naidu University of Newcastle Australia
Ramachandran Ramesh
Ramachandran Ramesh Ministry of Environment, Forests and Climate Change
Mohammad Mahmudur Rahman
Mohammad Mahmudur Rahman University of Newcastle Australia
Etienne Berthier
Etienne Berthier Laboratoire d’Etudes en Géophysique et Océanographie Spatiales

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