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Earth Science
India
2026

D-Index & Metrics

Earth Science

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

Al. Ramanathan publication distribution in Earth Science in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Earth Science in 2026. The highlighted bar marks where Al. Ramanathan sits on this spectrum.

38–42 publications: 1 scientists 43–47 publications: 0 scientists 48–52 publications: 3 scientists 53–57 publications: 8 scientists 58–62 publications: 11 scientists 63–67 publications: 16 scientists 68–72 publications: 24 scientists 73–77 publications: 31 scientists 78–82 publications: 49 scientists 83–87 publications: 77 scientists 88–92 publications: 86 scientists 93–97 publications: 88 scientists 98–102 publications: 92 scientists 103–107 publications: 84 scientists 108–112 publications: 102 scientists 113–117 publications: 108 scientists 118–122 publications: 117 scientists 123–127 publications: 126 scientists 128–132 publications: 146 scientists 133–137 publications: 114 scientists 138–142 publications: 102 scientists 143–147 publications: 127 scientists 148–152 publications: 102 scientists 153–157 publications: 112 scientists 158–162 publications: 102 scientists 163–167 publications: 127 scientists 168–172 publications: 121 scientists 173–177 publications: 112 scientists 178–182 publications: 109 scientists 183–187 publications: 98 scientists 188–192 publications: 92 scientists 193–197 publications: 105 scientists 198–202 publications: 77 scientists 203–207 publications: 80 scientists 208–212 publications: 89 scientists 213–217 publications: 70 scientists 218–222 publications: 74 scientists 223–227 publications: 74 scientists 228–232 publications: 70 scientists 233–237 publications: 67 scientists 238–242 publications: 59 scientists 243–247 publications: 67 scientists 248–252 publications: 51 scientists 253–257 publications: 46 scientists 258–262 publications: 41 scientists 263–267 publications: 39 scientists 268–272 publications: 34 scientists 273–277 publications: 39 scientists 278–282 publications: 35 scientists 283–287 publications: 36 scientists 288–292 publications: 35 scientists 293–297 publications: 29 scientists 298–302 publications: 23 scientists 303–307 publications: 39 scientists 308–312 publications: 34 scientists 313–317 publications: 23 scientists 318–322 publications: 18 scientists 323–327 publications: 18 scientists 328–332 publications: 21 scientists 333–337 publications: 20 scientists 338–342 publications: 15 scientists 343–347 publications: 13 scientists 348–352 publications: 24 scientists 353–357 publications: 25 scientists 358–362 publications: 10 scientists 363–367 publications: 20 scientists 368–372 publications: 17 scientists 373–377 publications: 18 scientists 378–382 publications: 15 scientists 383–387 publications: 7 scientists 388–392 publications: 22 scientists 393–397 publications: 9 scientists 398–402 publications: 11 scientists 403–407 publications: 16 scientists 408–412 publications: 4 scientists 413–417 publications: 5 scientists 418–422 publications: 14 scientists 423–427 publications: 8 scientists 428–432 publications: 7 scientists 433–437 publications: 7 scientists 438–442 publications: 10 scientists 443–447 publications: 10 scientists 448–452 publications: 3 scientists 453–457 publications: 9 scientists 458–462 publications: 11 scientists 463–467 publications: 4 scientists 468–472 publications: 6 scientists 473–477 publications: 11 scientists 478–482 publications: 8 scientists 483–487 publications: 2 scientists 488–492 publications: 3 scientists 493–497 publications: 4 scientists 498–502 publications: 4 scientists 503–507 publications: 4 scientists 508–509 publications: 4 scientists 510+ publications: 100 scientists
38 publications 510+

This scientist: 261 publications — 79th percentile

79% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 510 publications or more.

Al. Ramanathan D-index placement in Earth Science in 2026

The chart shows the D-index (discipline H-index) distribution of Earth Science scientists ranked by Research.com in 2026. The highlighted bar marks where Al. Ramanathan sits on this spectrum.

30 D-Index: 15 scientists 31 D-Index: 42 scientists 32 D-Index: 60 scientists 33 D-Index: 90 scientists 34 D-Index: 103 scientists 35 D-Index: 108 scientists 36 D-Index: 142 scientists 37 D-Index: 147 scientists 38 D-Index: 147 scientists 39 D-Index: 152 scientists 40 D-Index: 143 scientists 41 D-Index: 157 scientists 42 D-Index: 141 scientists 43 D-Index: 151 scientists 44 D-Index: 140 scientists 45 D-Index: 135 scientists 46 D-Index: 121 scientists 47 D-Index: 108 scientists 48 D-Index: 128 scientists 49 D-Index: 111 scientists 50 D-Index: 106 scientists 51 D-Index: 112 scientists 52 D-Index: 102 scientists 53 D-Index: 103 scientists 54 D-Index: 94 scientists 55 D-Index: 61 scientists 56 D-Index: 101 scientists 57 D-Index: 71 scientists 58 D-Index: 65 scientists 59 D-Index: 78 scientists 60 D-Index: 93 scientists 61 D-Index: 56 scientists 62 D-Index: 58 scientists 63 D-Index: 52 scientists 64 D-Index: 63 scientists 65 D-Index: 49 scientists 66 D-Index: 53 scientists 67 D-Index: 57 scientists 68 D-Index: 50 scientists 69 D-Index: 44 scientists 70 D-Index: 44 scientists 71 D-Index: 31 scientists 72 D-Index: 33 scientists 73 D-Index: 33 scientists 74 D-Index: 23 scientists 75 D-Index: 32 scientists 76 D-Index: 24 scientists 77 D-Index: 17 scientists 78 D-Index: 19 scientists 79 D-Index: 9 scientists 80 D-Index: 21 scientists 81 D-Index: 20 scientists 82 D-Index: 17 scientists 83 D-Index: 19 scientists 84 D-Index: 19 scientists 85 D-Index: 14 scientists 86 D-Index: 6 scientists 87 D-Index: 14 scientists 88 D-Index: 17 scientists 89 D-Index: 10 scientists 90 D-Index: 8 scientists 91 D-Index: 8 scientists 92 D-Index: 9 scientists 93 D-Index: 6 scientists 94+ D-Index: 98 scientists
30 D-Index 94+

This scientist: 61 D-Index — 78th percentile

78% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 94 D-Index or more.

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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