Rankings for Scientist

More Than a Ranking

National Institute of Polar Research Scientists Rankings 2024

The international independent ranking organisation AD Scientific Index is more than an ordinary "Ranking". The "AD Scientific Index" analyses the academic work of scientists using the H-index, i10 index and number of citations, and provides results that can be used to evaluate the productivity and efficiency of individuals and institutions. In addition to ranking according to "total H-index" for individuals and institutions, you can also see the ranking and analyses according to "last 6 years H-index", "total i10 Productivity index", "last 6 years i10 Productivity index", "total citations" and "last 6 years citations" only in "AD Scientific Index". See also: Subject Rankings, University Subject Rankings and  Universities Rankings 2024 (Sort by: Last 6 years H Index).   Click here for individual or institutional registration.

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Total 32 scientist
Clive Howard-Williams
Clive Howard-Williams
National Institute of Water & Atmospheric Research Ltd (NIWA)
National Institute of Water & Atmospheric Research Ltd (NIWA)
New Zealand
Natural Sciences / Biological Science
freshwater and polar biology
H-Index Rankings
University / Institution:
# 9
Country:
# 268
Region:
# 3,359
World:
# 62,021
H-Index
Total:
55
Last 6 Year:
19
Last 6 Year/Total:
0.345
i10 Index
Total:
147
Last 6 Year:
37
Last 6 Year/Total:
0.252
Citation
Total:
8,798
Last 6 Year:
1,592
Last 6 Year/Total:
0.181
Akinori Takahashi
Akinori Takahashi
National Institute of Polar Research
National Institute of Polar Research
Japan
Others
Seabird
biologging
H-Index Rankings
University / Institution:
# 1
Country:
# 1,896
Region:
# 14,054
World:
# 96,326
H-Index
Total:
46
Last 6 Year:
31
Last 6 Year/Total:
0.674
i10 Index
Total:
113
Last 6 Year:
89
Last 6 Year/Total:
0.788
Citation
Total:
7,217
Last 6 Year:
4,017
Last 6 Year/Total:
0.557
Hideaki Motoyama
Hideaki Motoyama
National Institute of Polar Research
National Institute of Polar Research
Japan
Engineering & Technology / Civil Engineering
Glaciology
Ice core science
Paleoclimate
Snow Hydrology
H-Index Rankings
University / Institution:
# 2
Country:
# 2,434
Region:
# 18,214
World:
# 119,975
H-Index
Total:
42
Last 6 Year:
26
Last 6 Year/Total:
0.619
i10 Index
Total:
147
Last 6 Year:
74
Last 6 Year/Total:
0.503
Citation
Total:
9,738
Last 6 Year:
3,973
Last 6 Year/Total:
0.408
Kenji Horie
Kenji Horie
National Institute of Polar Research
National Institute of Polar Research
Japan
Engineering & Technology / Earth Sciences
Earth Science
Isotope Geochemistry
H-Index Rankings
University / Institution:
# 3
Country:
# 3,300
Region:
# 25,471
World:
# 158,522
H-Index
Total:
37
Last 6 Year:
24
Last 6 Year/Total:
0.649
i10 Index
Total:
88
Last 6 Year:
64
Last 6 Year/Total:
0.727
Citation
Total:
4,003
Last 6 Year:
1,929
Last 6 Year/Total:
0.482
Shuji Fujita
Shuji Fujita
National Institute of Polar Research
National Institute of Polar Research
Japan
Engineering & Technology / Environmental Science & Engineering
Glaciology
Ice Core
Radioglaciology
Ice Physics
Climate Change
H-Index Rankings
University / Institution:
# 4
Country:
# 3,800
Region:
# 29,521
World:
# 179,938
H-Index
Total:
35
Last 6 Year:
19
Last 6 Year/Total:
0.543
i10 Index
Total:
76
Last 6 Year:
39
Last 6 Year/Total:
0.513
Citation
Total:
6,063
Last 6 Year:
2,531
Last 6 Year/Total:
0.417
Ryuho Kataoka
Ryuho Kataoka
National Institute of Polar Research
National Institute of Polar Research
Japan
Natural Sciences / Physics
Space Physics
H-Index Rankings
University / Institution:
# 5
Country:
# 4,167
Region:
# 33,347
World:
# 197,923
H-Index
Total:
33
Last 6 Year:
24
Last 6 Year/Total:
0.727
i10 Index
Total:
80
Last 6 Year:
54
Last 6 Year/Total:
0.675
Citation
Total:
3,712
Last 6 Year:
1,829
Last 6 Year/Total:
0.493
Yasunobu Ogawa
Yasunobu Ogawa
National Institute of Polar Research
National Institute of Polar Research
Japan
Others
Upper atmospheric physics
ionospheric physics
ionosphere
H-Index Rankings
University / Institution:
# 6
Country:
# 5,808
Region:
# 48,046
World:
# 269,305
H-Index
Total:
28
Last 6 Year:
20
Last 6 Year/Total:
0.714
i10 Index
Total:
90
Last 6 Year:
45
Last 6 Year/Total:
0.500
Citation
Total:
3,198
Last 6 Year:
1,867
Last 6 Year/Total:
0.584
Yutaka Tobo
Yutaka Tobo
National Institute of Polar Research
National Institute of Polar Research
Japan
Others
Atmospheric aerosols
Aerosol-cloud interactions
Ice nucleation
H-Index Rankings
University / Institution:
# 7
Country:
# 6,535
Region:
# 55,310
World:
# 302,763
H-Index
Total:
26
Last 6 Year:
21
Last 6 Year/Total:
0.808
i10 Index
Total:
39
Last 6 Year:
35
Last 6 Year/Total:
0.897
Citation
Total:
3,136
Last 6 Year:
1,883
Last 6 Year/Total:
0.600
Jun'İchi Okuno
Jun'İchi Okuno
National Institute of Polar Research
National Institute of Polar Research
Japan
Engineering & Technology / Earth Sciences
Earth Science
H-Index Rankings
University / Institution:
# 8
Country:
# 6,711
Region:
# 56,537
World:
# 309,307
H-Index
Total:
26
Last 6 Year:
17
Last 6 Year/Total:
0.654
i10 Index
Total:
41
Last 6 Year:
27
Last 6 Year/Total:
0.659
Citation
Total:
3,271
Last 6 Year:
1,627
Last 6 Year/Total:
0.497
Jean-Baptiste Thiebot
Jean-Baptiste Thiebot
National Institute of Polar Research
National Institute of Polar Research
Japan
Natural Sciences / Biological Science
Marine Ecology
H-Index Rankings
University / Institution:
# 9
Country:
# 7,492
Region:
# 64,730
World:
# 345,435
H-Index
Total:
24
Last 6 Year:
19
Last 6 Year/Total:
0.792
i10 Index
Total:
41
Last 6 Year:
35
Last 6 Year/Total:
0.854
Citation
Total:
1,456
Last 6 Year:
959
Last 6 Year/Total:
0.659
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菅沼悠介
菅沼悠介
National Institute of Polar Research
National Institute of Polar Research
Japan
Others
H-Index Rankings
University / Institution:
# 10
Country:
# 8,483
Region:
# 75,428
World:
# 392,993
H-Index
Total:
22
Last 6 Year:
18
Last 6 Year/Total:
0.818
i10 Index
Total:
39
Last 6 Year:
26
Last 6 Year/Total:
0.667
Citation
Total:
1,823
Last 6 Year:
1,037
Last 6 Year/Total:
0.569
Yoshihiro Tomikawa
Yoshihiro Tomikawa
National Institute of Polar Research
National Institute of Polar Research
Japan
Engineering & Technology / Meteorology & Atmospheric Sciences
Atmospheric Science
H-Index Rankings
University / Institution:
# 11
Country:
# 8,704
Region:
# 77,406
World:
# 403,242
H-Index
Total:
22
Last 6 Year:
14
Last 6 Year/Total:
0.636
i10 Index
Total:
39
Last 6 Year:
24
Last 6 Year/Total:
0.615
Citation
Total:
1,631
Last 6 Year:
790
Last 6 Year/Total:
0.484
Yusuke Suganuma
Yusuke Suganuma
National Institute of Polar Research
National Institute of Polar Research
Japan
Engineering & Technology / Earth Sciences
Earth Science
H-Index Rankings
University / Institution:
# 12
Country:
# 9,089
Region:
# 81,906
World:
# 421,487
H-Index
Total:
21
Last 6 Year:
17
Last 6 Year/Total:
0.810
i10 Index
Total:
36
Last 6 Year:
25
Last 6 Year/Total:
0.694
Citation
Total:
1,638
Last 6 Year:
976
Last 6 Year/Total:
0.596
Naoya Imae
Naoya Imae
National Institute of Polar Research
National Institute of Polar Research
Japan
Others
H-Index Rankings
University / Institution:
# 13
Country:
# 9,848
Region:
# 90,104
World:
# 458,437
H-Index
Total:
20
Last 6 Year:
14
Last 6 Year/Total:
0.700
i10 Index
Total:
41
Last 6 Year:
26
Last 6 Year/Total:
0.634
Citation
Total:
1,494
Last 6 Year:
882
Last 6 Year/Total:
0.590
Yukiko Tanabe
Yukiko Tanabe
National Institute of Polar Research
National Institute of Polar Research
Japan
Engineering & Technology / Environmental Science & Engineering
Aquatic Ecology
Limnology
Microbiology
Environmental Science
Earth Life Science
H-Index Rankings
University / Institution:
# 14
Country:
# 10,284
Region:
# 95,483
World:
# 481,320
H-Index
Total:
19
Last 6 Year:
16
Last 6 Year/Total:
0.842
i10 Index
Total:
30
Last 6 Year:
23
Last 6 Year/Total:
0.767
Citation
Total:
944
Last 6 Year:
652
Last 6 Year/Total:
0.691
Masakazu Fujii
Masakazu Fujii
National Institute of Polar Research
National Institute of Polar Research
Japan
Others
Earth and Planetary Science
H-Index Rankings
University / Institution:
# 15
Country:
# 13,250
Region:
# 134,550
World:
# 649,897
H-Index
Total:
15
Last 6 Year:
11
Last 6 Year/Total:
0.733
i10 Index
Total:
20
Last 6 Year:
15
Last 6 Year/Total:
0.750
Citation
Total:
654
Last 6 Year:
349
Last 6 Year/Total:
0.534
Shun Tsutaki
Shun Tsutaki
National Institute of Polar Research
National Institute of Polar Research
Japan
Others
Glaciology
H-Index Rankings
University / Institution:
# 16
Country:
# 13,701
Region:
# 139,945
World:
# 672,854
H-Index
Total:
14
Last 6 Year:
13
Last 6 Year/Total:
0.929
i10 Index
Total:
20
Last 6 Year:
17
Last 6 Year/Total:
0.850
Citation
Total:
899
Last 6 Year:
564
Last 6 Year/Total:
0.627
Takeshige Ishiwa
Takeshige Ishiwa
National Institute of Polar Research
National Institute of Polar Research
Japan
Others
sea-level change
last glacial period
Antarctica
H-Index Rankings
University / Institution:
# 17
Country:
# 13,737
Region:
# 140,554
World:
# 674,723
H-Index
Total:
14
Last 6 Year:
13
Last 6 Year/Total:
0.929
i10 Index
Total:
18
Last 6 Year:
17
Last 6 Year/Total:
0.944
Citation
Total:
714
Last 6 Year:
606
Last 6 Year/Total:
0.849
Mami Takehara
Mami Takehara
National Institute of Polar Research
National Institute of Polar Research
Japan
Engineering & Technology / Petroleum Engineering
geology
geochemistry
petrology
analytical chemistry
H-Index Rankings
University / Institution:
# 18
Country:
# 13,780
Region:
# 141,310
World:
# 677,761
H-Index
Total:
14
Last 6 Year:
13
Last 6 Year/Total:
0.929
i10 Index
Total:
16
Last 6 Year:
15
Last 6 Year/Total:
0.938
Citation
Total:
599
Last 6 Year:
495
Last 6 Year/Total:
0.826
Takahiro Iida
Takahiro Iida
National Institute of Polar Research
National Institute of Polar Research
Japan
Others
H-Index Rankings
University / Institution:
# 19
Country:
# 13,995
Region:
# 144,688
World:
# 691,202
H-Index
Total:
14
Last 6 Year:
11
Last 6 Year/Total:
0.786
i10 Index
Total:
18
Last 6 Year:
13
Last 6 Year/Total:
0.722
Citation
Total:
1,268
Last 6 Year:
657
Last 6 Year/Total:
0.518
Naoko Nagatsuka
Naoko Nagatsuka
National Institute of Polar Research
National Institute of Polar Research
Japan
Others
glacier
ice core
cryoconite
mineral dust
H-Index Rankings
University / Institution:
# 20
Country:
# 14,486
Region:
# 150,858
World:
# 718,780
H-Index
Total:
13
Last 6 Year:
13
Last 6 Year/Total:
1.000
i10 Index
Total:
14
Last 6 Year:
14
Last 6 Year/Total:
1.000
Citation
Total:
590
Last 6 Year:
471
Last 6 Year/Total:
0.798
Atsushi Yoshida
Atsushi Yoshida
National Institute of Polar Research
National Institute of Polar Research
Japan
Engineering & Technology / Earth Sciences
Earth system
Aerosol
H-Index Rankings
University / Institution:
# 21
Country:
# 14,639
Region:
# 153,784
World:
# 728,663
H-Index
Total:
13
Last 6 Year:
12
Last 6 Year/Total:
0.923
i10 Index
Total:
14
Last 6 Year:
14
Last 6 Year/Total:
1.000
Citation
Total:
524
Last 6 Year:
470
Last 6 Year/Total:
0.897
Ryosuke Makabe
Ryosuke Makabe
National Institute of Polar Research
National Institute of Polar Research
Japan
Others
H-Index Rankings
University / Institution:
# 22
Country:
# 14,674
Region:
# 154,422
World:
# 731,149
H-Index
Total:
13
Last 6 Year:
11
Last 6 Year/Total:
0.846
i10 Index
Total:
19
Last 6 Year:
15
Last 6 Year/Total:
0.789
Citation
Total:
885
Last 6 Year:
403
Last 6 Year/Total:
0.455
Takanori Nishiyama
Takanori Nishiyama
National Institute of Polar Research
National Institute of Polar Research
Japan
Natural Sciences / Physics
Upper Atmospheric Physics
Space Plasma Physics
Planetary Science
H-Index Rankings
University / Institution:
# 23
Country:
# 14,686
Region:
# 154,691
World:
# 732,033
H-Index
Total:
13
Last 6 Year:
11
Last 6 Year/Total:
0.846
i10 Index
Total:
18
Last 6 Year:
15
Last 6 Year/Total:
0.833
Citation
Total:
556
Last 6 Year:
358
Last 6 Year/Total:
0.644
Ikumi Oyabu
Ikumi Oyabu
National Institute of Polar Research
National Institute of Polar Research
Japan
Others
paleoclimate
glaciology
H-Index Rankings
University / Institution:
# 24
Country:
# 15,733
Region:
# 169,722
World:
# 791,247
H-Index
Total:
12
Last 6 Year:
10
Last 6 Year/Total:
0.833
i10 Index
Total:
13
Last 6 Year:
10
Last 6 Year/Total:
0.769
Citation
Total:
535
Last 6 Year:
429
Last 6 Year/Total:
0.802
AD Scientific Index - World Scientists Rankings - 2024 H INDEX i10 INDEX CITATION
University /
Institution 		Country Region World Name Country University / Institution Subject Total Last 6 year Last 6 year/total Total Last 6 year Last 6 year/total Total Last 6 year Last 6 year/total
9 268 3,359 62,021
Clive Howard-WilliamsClive Howard-Williams
New Zealand New Zealand National Institute of Water & Atmospheric Research Ltd (NIWA) National Institute of Water & Atmospheric Research Ltd (NIWA) Natural Sciences / Biological Science

freshwater and polar biology |

55 19 0.345 147 37 0.252 8,798 1,592 0.181
1 1,896 14,054 96,326
Akinori TakahashiAkinori Takahashi
Japan Japan National Institute of Polar Research National Institute of Polar Research Others

Seabird | biologging |

46 31 0.674 113 89 0.788 7,217 4,017 0.557
2 2,434 18,214 119,975
Hideaki MotoyamaHideaki Motoyama
Japan Japan National Institute of Polar Research National Institute of Polar Research Engineering & Technology / Civil Engineering

Glaciology | Ice core science | Paleoclimate | Snow Hydrology |

42 26 0.619 147 74 0.503 9,738 3,973 0.408
3 3,300 25,471 158,522
Kenji HorieKenji Horie
Japan Japan National Institute of Polar Research National Institute of Polar Research Engineering & Technology / Earth Sciences

Earth Science | Isotope Geochemistry |

37 24 0.649 88 64 0.727 4,003 1,929 0.482
4 3,800 29,521 179,938
Shuji FujitaShuji Fujita
Japan Japan National Institute of Polar Research National Institute of Polar Research Engineering & Technology / Environmental Science & Engineering

Glaciology | Ice Core | Radioglaciology | Ice Physics | Climate Change |

35 19 0.543 76 39 0.513 6,063 2,531 0.417
5 4,167 33,347 197,923
Ryuho KataokaRyuho Kataoka
Japan Japan National Institute of Polar Research National Institute of Polar Research Natural Sciences / Physics

Space Physics |

33 24 0.727 80 54 0.675 3,712 1,829 0.493
6 5,808 48,046 269,305
Yasunobu OgawaYasunobu Ogawa
Japan Japan National Institute of Polar Research National Institute of Polar Research Others

Upper atmospheric physics | ionospheric physics | ionosphere |

28 20 0.714 90 45 0.500 3,198 1,867 0.584
7 6,535 55,310 302,763
Yutaka ToboYutaka Tobo
Japan Japan National Institute of Polar Research National Institute of Polar Research Others

Atmospheric aerosols | Aerosol-cloud interactions | Ice nucleation |

26 21 0.808 39 35 0.897 3,136 1,883 0.600
8 6,711 56,537 309,307
Jun'İchi OkunoJun'İchi Okuno
Japan Japan National Institute of Polar Research National Institute of Polar Research Engineering & Technology / Earth Sciences

Earth Science |

26 17 0.654 41 27 0.659 3,271 1,627 0.497
9 7,492 64,730 345,435
Jean-Baptiste ThiebotJean-Baptiste Thiebot
Japan Japan National Institute of Polar Research National Institute of Polar Research Natural Sciences / Biological Science

Marine Ecology |

24 19 0.792 41 35 0.854 1,456 959 0.659
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10 8,483 75,428 392,993
菅沼悠介菅沼悠介
Japan Japan National Institute of Polar Research National Institute of Polar Research Others

22 18 0.818 39 26 0.667 1,823 1,037 0.569
11 8,704 77,406 403,242
Yoshihiro TomikawaYoshihiro Tomikawa
Japan Japan National Institute of Polar Research National Institute of Polar Research Engineering & Technology / Meteorology & Atmospheric Sciences

Atmospheric Science |

22 14 0.636 39 24 0.615 1,631 790 0.484
12 9,089 81,906 421,487
Yusuke SuganumaYusuke Suganuma
Japan Japan National Institute of Polar Research National Institute of Polar Research Engineering & Technology / Earth Sciences

Earth Science |

21 17 0.810 36 25 0.694 1,638 976 0.596
13 9,848 90,104 458,437
Naoya ImaeNaoya Imae
Japan Japan National Institute of Polar Research National Institute of Polar Research Others

20 14 0.700 41 26 0.634 1,494 882 0.590
14 10,284 95,483 481,320
Yukiko TanabeYukiko Tanabe
Japan Japan National Institute of Polar Research National Institute of Polar Research Engineering & Technology / Environmental Science & Engineering

Aquatic Ecology | Limnology | Microbiology | Environmental Science | Earth Life Science |

19 16 0.842 30 23 0.767 944 652 0.691
15 13,250 134,550 649,897
Masakazu FujiiMasakazu Fujii
Japan Japan National Institute of Polar Research National Institute of Polar Research Others

Earth and Planetary Science |

15 11 0.733 20 15 0.750 654 349 0.534
16 13,701 139,945 672,854
Shun TsutakiShun Tsutaki
Japan Japan National Institute of Polar Research National Institute of Polar Research Others

Glaciology |

14 13 0.929 20 17 0.850 899 564 0.627
17 13,737 140,554 674,723
Takeshige IshiwaTakeshige Ishiwa
Japan Japan National Institute of Polar Research National Institute of Polar Research Others

sea-level change | last glacial period | Antarctica |

14 13 0.929 18 17 0.944 714 606 0.849
18 13,780 141,310 677,761
Mami TakeharaMami Takehara
Japan Japan National Institute of Polar Research National Institute of Polar Research Engineering & Technology / Petroleum Engineering

geology | geochemistry | petrology | analytical chemistry |

14 13 0.929 16 15 0.938 599 495 0.826
19 13,995 144,688 691,202
Takahiro IidaTakahiro Iida
Japan Japan National Institute of Polar Research National Institute of Polar Research Others

14 11 0.786 18 13 0.722 1,268 657 0.518
20 14,486 150,858 718,780
Naoko NagatsukaNaoko Nagatsuka
Japan Japan National Institute of Polar Research National Institute of Polar Research Others

glacier | ice core | cryoconite | mineral dust |

13 13 1.000 14 14 1.000 590 471 0.798
21 14,639 153,784 728,663
Atsushi YoshidaAtsushi Yoshida
Japan Japan National Institute of Polar Research National Institute of Polar Research Engineering & Technology / Earth Sciences

Earth system | Aerosol |

13 12 0.923 14 14 1.000 524 470 0.897
22 14,674 154,422 731,149
Ryosuke MakabeRyosuke Makabe
Japan Japan National Institute of Polar Research National Institute of Polar Research Others

13 11 0.846 19 15 0.789 885 403 0.455
23 14,686 154,691 732,033
Takanori NishiyamaTakanori Nishiyama
Japan Japan National Institute of Polar Research National Institute of Polar Research Natural Sciences / Physics

Upper Atmospheric Physics | Space Plasma Physics | Planetary Science |

13 11 0.846 18 15 0.833 556 358 0.644
24 15,733 169,722 791,247
Ikumi OyabuIkumi Oyabu
Japan Japan National Institute of Polar Research National Institute of Polar Research Others

paleoclimate | glaciology |

12 10 0.833 13 10 0.769 535 429 0.802