World's Best Scientists 2026 revealed!
Katsuaki Koike

Katsuaki Koike

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Earth Science 33 8426 7821 262 248 270 3766

Katsuaki Koike publications per year

The chart shows the history of publications by Katsuaki Koike between 1968 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Katsuaki Koike published across 59 years, from 1968 to 2026, averaging 5.1 papers a year. Output peaked at 21 publications in 2019. 9 of the 303 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1968 to 2026. Vertical axis: number of publications, 0 to 21. Peak 21 publications in 2019. 1968: 1 publication 1969: 0 publications 1970: 0 publications 1971: 0 publications 1972: 0 publications 1973: 0 publications 1974: 0 publications 1975: 0 publications 1976: 0 publications 1977: 0 publications 1978: 0 publications 1979: 0 publications 1980: 0 publications 1981: 0 publications 1982: 0 publications 1983: 0 publications 1984: 0 publications 1985: 0 publications 1986: 0 publications 1987: 1 publication 1988: 2 publications 1989: 2 publications 1990: 2 publications 1991: 3 publications 1992: 3 publications 1993: 2 publications 1994: 3 publications 1995: 4 publications 1996: 2 publications 1997: 4 publications 1998: 6 publications 1999: 2 publications 2000: 3 publications 2001: 8 publications 2002: 3 publications 2003: 6 publications 2004: 9 publications 2005: 8 publications 2006: 13 publications 2007: 14 publications 2008: 8 publications 2009: 3 publications 2010: 8 publications 2011: 10 publications 2012: 14 publications 2013: 8 publications 2014: 8 publications 2015: 14 publications 2016: 12 publications 2017: 14 publications 2018: 12 publications 2019: 21 publications 2020: 13 publications 2021: 12 publications 2022: 14 publications 2023: 13 publications 2024: 9 publications 2025: 8 publications 2026: 1 publication
1968 2026

303 publications in total across all disciplines

View publications per year as a table
Katsuaki Koike: publications per year, 1968 to 2026
Year Publications
1968 1
1969 0
1970 0
1971 0
1972 0
1973 0
1974 0
1975 0
1976 0
1977 0
1978 0
1979 0
1980 0
1981 0
1982 0
1983 0
1984 0
1985 0
1986 0
1987 1
1988 2
1989 2
1990 2
1991 3
1992 3
1993 2
1994 3
1995 4
1996 2
1997 4
1998 6
1999 2
2000 3
2001 8
2002 3
2003 6
2004 9
2005 8
2006 13
2007 14
2008 8
2009 3
2010 8
2011 10
2012 14
2013 8
2014 8
2015 14
2016 12
2017 14
2018 12
2019 21
2020 13
2021 12
2022 14
2023 13
2024 9
2025 8
2026 1
Total 303
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Katsuaki Koike 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 Katsuaki Koike sits on this spectrum.

No. of scientists
100 200 300 400 500
Bar chart with 58 bars. Horizontal axis: publications, 38–47 to 603+. Vertical axis: number of scientists, 0 to 557. Most scientists, 557, have 128–137 publications. The last bar groups every scientist with 603 publications or more. The highlighted bar, 268–277 publications, is where this scientist sits. 38–47 publications: 5 scientists 48–57 publications: 33 scientists 58–67 publications: 94 scientists 68–77 publications: 161 scientists 78–87 publications: 278 scientists 88–97 publications: 376 scientists 98–107 publications: 404 scientists 108–117 publications: 484 scientists 118–127 publications: 540 scientists 128–137 publications: 557 scientists 138–147 publications: 491 scientists 148–157 publications: 495 scientists 158–167 publications: 458 scientists 168–177 publications: 490 scientists 178–187 publications: 414 scientists 188–197 publications: 401 scientists 198–207 publications: 333 scientists 208–217 publications: 292 scientists 218–227 publications: 290 scientists 228–237 publications: 262 scientists 238–247 publications: 243 scientists 248–257 publications: 208 scientists 258–267 publications: 185 scientists 268–277 publications: 147 scientists 278–287 publications: 128 scientists 288–297 publications: 119 scientists 298–307 publications: 120 scientists 308–317 publications: 107 scientists 318–327 publications: 93 scientists 328–337 publications: 87 scientists 338–347 publications: 64 scientists 348–357 publications: 87 scientists 358–367 publications: 60 scientists 368–377 publications: 60 scientists 378–387 publications: 34 scientists 388–397 publications: 50 scientists 398–407 publications: 44 scientists 408–417 publications: 31 scientists 418–427 publications: 39 scientists 428–437 publications: 27 scientists 438–447 publications: 36 scientists 448–457 publications: 27 scientists 458–467 publications: 29 scientists 468–477 publications: 30 scientists 478–487 publications: 19 scientists 488–497 publications: 15 scientists 498–507 publications: 18 scientists 508–517 publications: 19 scientists 518–527 publications: 16 scientists 528–537 publications: 10 scientists 538–547 publications: 11 scientists 548–557 publications: 14 scientists 558–567 publications: 11 scientists 568–577 publications: 7 scientists 578–587 publications: 14 scientists 588–597 publications: 5 scientists 598–602 publications: 4 scientists 603+ publications: 100 scientists
38–47 publications 603+

This scientist: 270 publications — 82nd percentile

82% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 603 publications or more.

View publications distribution as a table
Number of Earth Science scientists by publication count, Research.com 2026 ranking edition. Based on 9,176 ranked scientists.
Publications Scientists This scientist
38–47 5
48–57 33
58–67 94
68–77 161
78–87 278
88–97 376
98–107 404
108–117 484
118–127 540
128–137 557
138–147 491
148–157 495
158–167 458
168–177 490
178–187 414
188–197 401
198–207 333
208–217 292
218–227 290
228–237 262
238–247 243
248–257 208
258–267 185
268–277 147 270
278–287 128
288–297 119
298–307 120
308–317 107
318–327 93
328–337 87
338–347 64
348–357 87
358–367 60
368–377 60
378–387 34
388–397 50
398–407 44
408–417 31
418–427 39
428–437 27
438–447 36
448–457 27
458–467 29
468–477 30
478–487 19
488–497 15
498–507 18
508–517 19
518–527 16
528–537 10
538–547 11
548–557 14
558–567 11
568–577 7
578–587 14
588–597 5
598–602 4
603+ 100
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Katsuaki Koike 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 Katsuaki Koike sits on this spectrum.

No. of scientists
100 200 300
Bar chart with 77 bars. Horizontal axis: D-Index, 30 to 106+. Vertical axis: number of scientists, 0 to 389. Most scientists, 389, have 36 D-Index. The last bar groups every scientist with 106 D-Index or more. The highlighted bar, 33 D-Index, is where this scientist sits. 30 D-Index: 144 scientists 31 D-Index: 215 scientists 32 D-Index: 278 scientists 33 D-Index: 379 scientists 34 D-Index: 366 scientists 35 D-Index: 372 scientists 36 D-Index: 389 scientists 37 D-Index: 366 scientists 38 D-Index: 344 scientists 39 D-Index: 349 scientists 40 D-Index: 296 scientists 41 D-Index: 289 scientists 42 D-Index: 277 scientists 43 D-Index: 279 scientists 44 D-Index: 248 scientists 45 D-Index: 257 scientists 46 D-Index: 212 scientists 47 D-Index: 202 scientists 48 D-Index: 207 scientists 49 D-Index: 204 scientists 50 D-Index: 183 scientists 51 D-Index: 178 scientists 52 D-Index: 182 scientists 53 D-Index: 178 scientists 54 D-Index: 163 scientists 55 D-Index: 117 scientists 56 D-Index: 163 scientists 57 D-Index: 120 scientists 58 D-Index: 113 scientists 59 D-Index: 136 scientists 60 D-Index: 135 scientists 61 D-Index: 96 scientists 62 D-Index: 103 scientists 63 D-Index: 83 scientists 64 D-Index: 103 scientists 65 D-Index: 83 scientists 66 D-Index: 89 scientists 67 D-Index: 92 scientists 68 D-Index: 89 scientists 69 D-Index: 78 scientists 70 D-Index: 75 scientists 71 D-Index: 53 scientists 72 D-Index: 62 scientists 73 D-Index: 54 scientists 74 D-Index: 35 scientists 75 D-Index: 52 scientists 76 D-Index: 50 scientists 77 D-Index: 32 scientists 78 D-Index: 37 scientists 79 D-Index: 20 scientists 80 D-Index: 33 scientists 81 D-Index: 36 scientists 82 D-Index: 34 scientists 83 D-Index: 34 scientists 84 D-Index: 24 scientists 85 D-Index: 19 scientists 86 D-Index: 18 scientists 87 D-Index: 26 scientists 88 D-Index: 30 scientists 89 D-Index: 17 scientists 90 D-Index: 21 scientists 91 D-Index: 19 scientists 92 D-Index: 15 scientists 93 D-Index: 14 scientists 94 D-Index: 20 scientists 95 D-Index: 9 scientists 96 D-Index: 10 scientists 97 D-Index: 15 scientists 98 D-Index: 13 scientists 99 D-Index: 3 scientists 100 D-Index: 13 scientists 101 D-Index: 3 scientists 102 D-Index: 9 scientists 103 D-Index: 4 scientists 104 D-Index: 6 scientists 105 D-Index: 6 scientists 106+ D-Index: 98 scientists
30 D-Index 106+

This scientist: 33 D-Index — 11th percentile

11% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 106 D-Index or more.

View D-Index distribution as a table
Number of Earth Science scientists by D-index, Research.com 2026 ranking edition. Based on 9,176 ranked scientists.
D-Index Scientists This scientist
30 144
31 215
32 278
33 379 33
34 366
35 372
36 389
37 366
38 344
39 349
40 296
41 289
42 277
43 279
44 248
45 257
46 212
47 202
48 207
49 204
50 183
51 178
52 182
53 178
54 163
55 117
56 163
57 120
58 113
59 136
60 135
61 96
62 103
63 83
64 103
65 83
66 89
67 92
68 89
69 78
70 75
71 53
72 62
73 54
74 35
75 52
76 50
77 32
78 37
79 20
80 33
81 36
82 34
83 34
84 24
85 19
86 18
87 26
88 30
89 17
90 21
91 19
92 15
93 14
94 20
95 9
96 10
97 15
98 13
99 3
100 13
101 3
102 9
103 4
104 6
105 6
106+ 98
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Overview

Katsuaki Koike is affiliated with Kyoto University in Japan, specializing in Earth and Planetary Sciences and Engineering. Their research primarily focuses on geophysics and related subfields such as mechanics of materials, environmental engineering, artificial intelligence, and ocean engineering.

The main topics of Koike's work include hydrocarbon exploration and reservoir analysis, geophysical and geoelectrical methods, geochemistry and geologic mapping, geothermal energy systems and applications, geological and geophysical studies, geological and geochemical analysis, and earthquake and tectonic studies.

Koike has contributed significantly to scientific literature with numerous publications in well-established venues. Frequent publication venues include:

  • Geothermics
  • Natural Resources Research
  • Ore Geology Reviews
  • Earth Planets and Space
  • Geophysics

Examples of recent papers authored by or involving Koike are:

  • Specifying recharge zones and mechanisms of the transitional geothermal field through hydrogen and oxygen isotope analyses with consideration of water-rock interaction, 2020, Geothermics
  • Electrical conductive fluid-rich zones and their influence on the earthquake initiation, growth, and arrest processes: observations from the 2016 Kumamoto earthquake sequence, Kyushu Island, Japan, 2021, Earth Planets and Space
  • On the origin and evolution of geothermal fluids in the Patuha Geothermal Field, Indonesia based on geochemical and stable isotope data, 2020, Applied Geochemistry
  • Estimating fractured rock effective permeability using discrete fracture networks constrained by electrical resistivity data, 2021, Engineering Geology
  • Detection of Near-Surface Permeable Zones Based on Spatial Correlation Between Radon Gas Concentration and DTM-Derived Lineament Density, 2020, Natural Resources Research

Koike frequently collaborates with other researchers, including Koki Kashiwaya, Taiki Kubo, Tada-nori Goto, Yohei Tada, and Shohei Albert Tomita, having multiple coauthored publications with these individuals.

Best Publications

  • Tectonic architecture through Landsat-7 ETM+/SRTM DEM-derived lineaments and relationship to the hydrogeologic setting in Siwa region, NW Egypt

    Alaa Masoud;Katsuaki Koike

  • Arid land salinization detected by remotely-sensed landcover changes: A case study in the Siwa region, NW Egypt

    A.A. Masoud;K. Koike

  • Selecting the Best Band Ratio to Estimate Chlorophyll-a Concentration in a Tropical Freshwater Lake Using Sentinel 2A Images from a Case Study of Lake Ba Be (Northern Vietnam)

    Nguyen Thi Thu Ha;Nguyen Thien Phuong Thao;Katsuaki Koike;Mai Trong Nhuan

  • Auto-detection and integration of tectonically significant lineaments from SRTM DEM and remotely-sensed geophysical data

    Alaa A. Masoud;Katsuaki Koike

  • Lineament analysis of satellite images using a segment tracing algorithm (STA)

    Katsuaki Koike;Shuichi Nagano;Michito Ohm

  • Construction and analysis of interpreted fracture planes through combination of satellite-image derived lineaments and digital elevation model data

    Katsuaki Koike;Shuichi Nagano;Kouji Kawaba

  • Nitrate contamination of groundwater in two areas of the Cameroon Volcanic Line (Banana Plain and Mount Cameroon area)

    Andrew Ako Ako;Gloria Eneke Takem Eyong;Jun Shimada;Katsuaki Koike

  • Coal quality related to microfractures identified by CT image analysis

    Mohamad Nur Heriawan;Katsuaki Koike

  • Identifying spatial heterogeneity of coal resource quality in a multilayer coal deposit by multivariate geostatistics

    Mohamad Nur Heriawan;Mohamad Nur Heriawan;Katsuaki Koike

  • Neural network-based estimation of principal metal contents in the Hokuroku District, Northern Japan, for exploring kuroko-type deposits

    Katsuaki Koike;Setsuro Matsuda;Toru Suzuki;Michito Ohmi

  • Evaluation of Interpolation Accuracy of Neural Kriging with Application to Temperature-Distribution Analysis

    Katsuaki Koike;Setsuro Matsuda;Bin Gu

  • Relation between subcritical crack growth behavior and crack paths in granite

    Y. Nara;K. Koike;T. Yoneda;K. Kaneko

  • Landsat 8/OLI Two Bands Ratio Algorithm for Chlorophyll-A Concentration Mapping in Hypertrophic Waters: An Application to West Lake in Hanoi (Vietnam)

    Nguyen Thi Thu Ha;Katsuaki Koike;Mai Trong Nhuan;Bui Dinh Canh

  • Configuration of subducting Philippine Sea plate and crustal structure in the central Japan region

    T. Iidaka;T. Iwasaki;T. Takeda;T. Moriya

  • Morphotectonics inferred from the analysis of topographic lineaments auto-detected from DEMs: Application and validation for the Sinai Peninsula, Egypt

    Alaa A. Masoud;Katsuaki Koike

  • Mapping soil salinity using spectral mixture analysis of landsat 8 OLI images to identify factors influencing salinization in an arid region

    Alaa A. Masoud;Katsuaki Koike;Mohamed G. Atwia;Mohamed M. El-Horiny

  • Assessment of groundwater and soil quality degradation using multivariate and geostatistical analyses, Dakhla Oasis, Egypt

    Alaa A. Masoud;Mohamed M. El-Horiny;Mohamed G. Atwia;Khaled S. Gemail

  • Improved Accuracy of Chlorophyll-a Concentration Estimates from MODIS Imagery Using a Two-Band Ratio Algorithm and Geostatistics: As Applied to the Monitoring of Eutrophication Processes over Tien Yen Bay (Northern Vietnam)

    Nguyen Thi Thu Ha;Katsuaki Koike;Mai Trong Nhuan

  • Application of lineament density extracted from dual orbit of synthetic aperture radar (SAR) images to detecting fluids paths in the Wayang Windu geothermal field (West Java, Indonesia)

    Asep Saepuloh;Haeruddin Haeruddin;Mohamad Nur Heriawan;Taiki Kubo

  • Applicability of computer-aided comprehensive tool (LINDA: LINeament Detection and Analysis) and shaded digital elevation model for characterizing and interpreting morphotectonic features from lineaments

    Alaa Masoud;Katsuaki Koike

  • A new vegetation index for detecting vegetation anomalies due to mineral deposits with application to a tropical forest area

    Arie Naftali Hawu Hede;Arie Naftali Hawu Hede;Koki Kashiwaya;Katsuaki Koike;Shigeki Sakurai

Frequent Co-Authors

Weiren Lin
Weiren Lin Kyoto University
Katsuhiko Suzuki
Katsuhiko Suzuki Japan Agency for Marine-Earth Science and Technology
Hiroshi Shimizu
Hiroshi Shimizu Hokkaido University
Takahiro Hosono
Takahiro Hosono Kumamoto University
Orhan Yenigün
Orhan Yenigün European University of Lefke
Takaya Iwasaki
Takaya Iwasaki University of Tokyo
Makoto Taniguchi
Makoto Taniguchi Research Institute for Humanity and Nature
Takeshi Tsuji
Takeshi Tsuji University of Tokyo
Emmanuel John M. Carranza
Emmanuel John M. Carranza University of the Free State

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