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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Environmental Sciences 49 5220 4999 92 89 206 9502

Nobuko Saigusa publications per year

The chart shows the history of publications by Nobuko Saigusa between 1990 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Nobuko Saigusa published across 36 years, from 1990 to 2025, averaging 5.9 papers a year. Output peaked at 28 publications in 2015. 5 of the 214 publications appeared in the last two years.

No. of publications
5 10 15 20 25
Bar chart. Horizontal axis: year, 1990 to 2025. Vertical axis: number of publications, 0 to 28. Peak 28 publications in 2015. 1990: 1 publication 1991: 0 publications 1992: 1 publication 1993: 1 publication 1994: 2 publications 1995: 0 publications 1996: 2 publications 1997: 0 publications 1998: 1 publication 1999: 1 publication 2000: 1 publication 2001: 1 publication 2002: 2 publications 2003: 4 publications 2004: 3 publications 2005: 18 publications 2006: 5 publications 2007: 9 publications 2008: 7 publications 2009: 7 publications 2010: 13 publications 2011: 9 publications 2012: 9 publications 2013: 14 publications 2014: 11 publications 2015: 28 publications 2016: 20 publications 2017: 11 publications 2018: 8 publications 2019: 5 publications 2020: 7 publications 2021: 4 publications 2022: 1 publication 2023: 3 publications 2024: 4 publications 2025: 1 publication
1990 2025

214 publications in total across all disciplines

View publications per year as a table
Nobuko Saigusa: publications per year, 1990 to 2025
Year Publications
1990 1
1991 0
1992 1
1993 1
1994 2
1995 0
1996 2
1997 0
1998 1
1999 1
2000 1
2001 1
2002 2
2003 4
2004 3
2005 18
2006 5
2007 9
2008 7
2009 7
2010 13
2011 9
2012 9
2013 14
2014 11
2015 28
2016 20
2017 11
2018 8
2019 5
2020 7
2021 4
2022 1
2023 3
2024 4
2025 1
Total 214
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Nobuko Saigusa publication distribution in Environmental Sciences in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Environmental Sciences in 2026. The highlighted bar marks where Nobuko Saigusa sits on this spectrum.

No. of scientists
200 400 600
Bar chart with 66 bars. Horizontal axis: publications, 41–50 to 690+. Vertical axis: number of scientists, 0 to 617. Most scientists, 617, have 121–130 publications. The last bar groups every scientist with 690 publications or more. The highlighted bar, 201–210 publications, is where this scientist sits. 41–50 publications: 21 scientists 51–60 publications: 62 scientists 61–70 publications: 133 scientists 71–80 publications: 257 scientists 81–90 publications: 361 scientists 91–100 publications: 440 scientists 101–110 publications: 492 scientists 111–120 publications: 541 scientists 121–130 publications: 617 scientists 131–140 publications: 544 scientists 141–150 publications: 541 scientists 151–160 publications: 539 scientists 161–170 publications: 444 scientists 171–180 publications: 444 scientists 181–190 publications: 400 scientists 191–200 publications: 377 scientists 201–210 publications: 318 scientists 211–220 publications: 282 scientists 221–230 publications: 263 scientists 231–240 publications: 220 scientists 241–250 publications: 217 scientists 251–260 publications: 180 scientists 261–270 publications: 181 scientists 271–280 publications: 155 scientists 281–290 publications: 130 scientists 291–300 publications: 127 scientists 301–310 publications: 130 scientists 311–320 publications: 85 scientists 321–330 publications: 106 scientists 331–340 publications: 80 scientists 341–350 publications: 83 scientists 351–360 publications: 75 scientists 361–370 publications: 69 scientists 371–380 publications: 52 scientists 381–390 publications: 54 scientists 391–400 publications: 56 scientists 401–410 publications: 44 scientists 411–420 publications: 40 scientists 421–430 publications: 36 scientists 431–440 publications: 25 scientists 441–450 publications: 25 scientists 451–460 publications: 32 scientists 461–470 publications: 29 scientists 471–480 publications: 21 scientists 481–490 publications: 26 scientists 491–500 publications: 26 scientists 501–510 publications: 17 scientists 511–520 publications: 19 scientists 521–530 publications: 15 scientists 531–540 publications: 22 scientists 541–550 publications: 12 scientists 551–560 publications: 15 scientists 561–570 publications: 11 scientists 571–580 publications: 19 scientists 581–590 publications: 9 scientists 591–600 publications: 9 scientists 601–610 publications: 7 scientists 611–620 publications: 11 scientists 621–630 publications: 5 scientists 631–640 publications: 5 scientists 641–650 publications: 6 scientists 651–660 publications: 3 scientists 661–670 publications: 3 scientists 671–680 publications: 4 scientists 681–689 publications: 4 scientists 690+ publications: 100 scientists
41–50 publications 690+

This scientist: 206 publications — 66th percentile

66% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 690 publications or more.

View publications distribution as a table
Number of Environmental Sciences scientists by publication count, Research.com 2026 ranking edition. Based on 9,676 ranked scientists.
Publications Scientists This scientist
41–50 21
51–60 62
61–70 133
71–80 257
81–90 361
91–100 440
101–110 492
111–120 541
121–130 617
131–140 544
141–150 541
151–160 539
161–170 444
171–180 444
181–190 400
191–200 377
201–210 318 206
211–220 282
221–230 263
231–240 220
241–250 217
251–260 180
261–270 181
271–280 155
281–290 130
291–300 127
301–310 130
311–320 85
321–330 106
331–340 80
341–350 83
351–360 75
361–370 69
371–380 52
381–390 54
391–400 56
401–410 44
411–420 40
421–430 36
431–440 25
441–450 25
451–460 32
461–470 29
471–480 21
481–490 26
491–500 26
501–510 17
511–520 19
521–530 15
531–540 22
541–550 12
551–560 15
561–570 11
571–580 19
581–590 9
591–600 9
601–610 7
611–620 11
621–630 5
631–640 5
641–650 6
651–660 3
661–670 3
671–680 4
681–689 4
690+ 100
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Nobuko Saigusa D-index placement in Environmental Sciences in 2026

The chart shows the D-index (discipline H-index) distribution of Environmental Sciences scientists ranked by Research.com in 2026. The highlighted bar marks where Nobuko Saigusa sits on this spectrum.

No. of scientists
100 200 300
Bar chart with 97 bars. Horizontal axis: D-Index, 30 to 126+. Vertical axis: number of scientists, 0 to 348. Most scientists, 348, have 45 D-Index. The last bar groups every scientist with 126 D-Index or more. The highlighted bar, 49 D-Index, is where this scientist sits. 30 D-Index: 12 scientists 31 D-Index: 26 scientists 32 D-Index: 51 scientists 33 D-Index: 88 scientists 34 D-Index: 123 scientists 35 D-Index: 163 scientists 36 D-Index: 206 scientists 37 D-Index: 267 scientists 38 D-Index: 265 scientists 39 D-Index: 275 scientists 40 D-Index: 321 scientists 41 D-Index: 343 scientists 42 D-Index: 305 scientists 43 D-Index: 336 scientists 44 D-Index: 330 scientists 45 D-Index: 348 scientists 46 D-Index: 291 scientists 47 D-Index: 275 scientists 48 D-Index: 272 scientists 49 D-Index: 273 scientists 50 D-Index: 263 scientists 51 D-Index: 232 scientists 52 D-Index: 266 scientists 53 D-Index: 217 scientists 54 D-Index: 198 scientists 55 D-Index: 177 scientists 56 D-Index: 202 scientists 57 D-Index: 204 scientists 58 D-Index: 166 scientists 59 D-Index: 177 scientists 60 D-Index: 166 scientists 61 D-Index: 152 scientists 62 D-Index: 143 scientists 63 D-Index: 150 scientists 64 D-Index: 124 scientists 65 D-Index: 119 scientists 66 D-Index: 120 scientists 67 D-Index: 118 scientists 68 D-Index: 82 scientists 69 D-Index: 98 scientists 70 D-Index: 94 scientists 71 D-Index: 105 scientists 72 D-Index: 74 scientists 73 D-Index: 84 scientists 74 D-Index: 70 scientists 75 D-Index: 67 scientists 76 D-Index: 78 scientists 77 D-Index: 60 scientists 78 D-Index: 59 scientists 79 D-Index: 52 scientists 80 D-Index: 47 scientists 81 D-Index: 38 scientists 82 D-Index: 48 scientists 83 D-Index: 42 scientists 84 D-Index: 42 scientists 85 D-Index: 43 scientists 86 D-Index: 29 scientists 87 D-Index: 37 scientists 88 D-Index: 29 scientists 89 D-Index: 30 scientists 90 D-Index: 34 scientists 91 D-Index: 20 scientists 92 D-Index: 22 scientists 93 D-Index: 17 scientists 94 D-Index: 19 scientists 95 D-Index: 24 scientists 96 D-Index: 21 scientists 97 D-Index: 20 scientists 98 D-Index: 24 scientists 99 D-Index: 17 scientists 100 D-Index: 17 scientists 101 D-Index: 21 scientists 102 D-Index: 25 scientists 103 D-Index: 18 scientists 104 D-Index: 26 scientists 105 D-Index: 20 scientists 106 D-Index: 15 scientists 107 D-Index: 10 scientists 108 D-Index: 13 scientists 109 D-Index: 15 scientists 110 D-Index: 12 scientists 111 D-Index: 8 scientists 112 D-Index: 7 scientists 113 D-Index: 9 scientists 114 D-Index: 6 scientists 115 D-Index: 12 scientists 116 D-Index: 7 scientists 117 D-Index: 8 scientists 118 D-Index: 3 scientists 119 D-Index: 5 scientists 120 D-Index: 7 scientists 121 D-Index: 2 scientists 122 D-Index: 4 scientists 123 D-Index: 8 scientists 124 D-Index: 7 scientists 125 D-Index: 9 scientists 126+ D-Index: 92 scientists
30 D-Index 126+

This scientist: 49 D-Index — 47th percentile

47% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 126 D-Index or more.

View D-Index distribution as a table
Number of Environmental Sciences scientists by D-index, Research.com 2026 ranking edition. Based on 9,676 ranked scientists.
D-Index Scientists This scientist
30 12
31 26
32 51
33 88
34 123
35 163
36 206
37 267
38 265
39 275
40 321
41 343
42 305
43 336
44 330
45 348
46 291
47 275
48 272
49 273 49
50 263
51 232
52 266
53 217
54 198
55 177
56 202
57 204
58 166
59 177
60 166
61 152
62 143
63 150
64 124
65 119
66 120
67 118
68 82
69 98
70 94
71 105
72 74
73 84
74 70
75 67
76 78
77 60
78 59
79 52
80 47
81 38
82 48
83 42
84 42
85 43
86 29
87 37
88 29
89 30
90 34
91 20
92 22
93 17
94 19
95 24
96 21
97 20
98 24
99 17
100 17
101 21
102 25
103 18
104 26
105 20
106 15
107 10
108 13
109 15
110 12
111 8
112 7
113 9
114 6
115 12
116 7
117 8
118 3
119 5
120 7
121 2
122 4
123 8
124 7
125 9
126+ 92
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Overview

Nobuko Saigusa is affiliated with the National Institute for Environmental Studies in Japan. Their research primarily focuses on environmental science with significant contributions to earth and planetary sciences. Their work spans multiple subfields, including global and planetary change, atmospheric science, environmental engineering, ecology, and pollution.

Saigusa's research covers a broad range of topics, such as atmospheric and environmental gas dynamics, plant water relations and carbon dynamics, climate variability and models, atmospheric chemistry and aerosols, atmospheric ozone and climate, fire effects on ecosystems, and agriculture sustainability and environmental impact.

The scientist has contributed to several papers published in recognized venues. Notable recent papers include:

  • Global terrestrial carbon fluxes of 1999-2019 estimated by upscaling eddy covariance data with a random forest, 2020, Scientific Data
  • The impact of interventions in the global land and agri-food sectors on Nature's Contributions to People and the UN Sustainable Development Goals, 2020, Global Change Biology
  • Emissions from the Oil and Gas Sectors, Coal Mining and Ruminant Farming Drive Methane Growth over the Past Three Decades, 2020, Journal of the Meteorological Society of Japan Ser II
  • Observation of vertical profiles of NO, O3, and VOCs to estimate their sources and sinks by inverse modeling in a Japanese larch forest, 2020, Journal of Agricultural Meteorology
  • The greenhouse gas observation mission with Global Observing SATellite for Greenhouse gases and Water cycle (GOSAT-GW): objectives, conceptual framework and scientific contributions, 2025, Progress in Earth and Planetary Science

Frequent publication venues for Saigusa include Zenodo (CERN European Organization for Nuclear Research), TRENDS IN THE SCIENCES, Scientific Data, Global Change Biology, and the Journal of the Meteorological Society of Japan Ser II.

Collaboration is a significant aspect of Saigusa's research. They have frequently co-authored works with Hiroyuki Muraoka, Tsuneo Matsunaga, Prabir K. Patra, Shohei Murayama, and Hiroaki Kondo.

Best Publications

  • CO2 balance of boreal, temperate, and tropical forests derived from a global database

    Sebastiaan Luyssaert;Sebastiaan Luyssaert;I. Inglima;M. Jung;A. D. Richardson

  • Influence of spring and autumn phenological transitions on forest ecosystem productivity

    Andrew D. Richardson;T. Andy Black;Philippe Ciais;Nicolas Delbart

  • Carbon, energy and water fluxes at mature and disturbed forest sites, Saskatchewan, Canada

    Amiro Bd;Barr Ag;Black Ta;Iwashita H

  • A Parameterization of Evaporation from Bare Soil Surfaces.

    Junsei Kondo;Nobuko Saigusa;Takeshi Sato

  • Which practices co‐deliver food security, climate change mitigation and adaptation, and combat land degradation and desertification?

    Pete Smith;Katherine Calvin;Johnson Nkem;Donovan Campbell

  • Gross primary production and net ecosystem exchange of a cool-temperate deciduous forest estimated by the eddy covariance method

    Nobuko Saigusa;Susumu Yamamoto;Shohei Murayama;Hiroaki Kondo

  • Climate control of terrestrial carbon exchange across biomes and continents

    Chuixiang Yi;Daniel Ricciuto;Runze Li;John Wolbeck

  • Inter-annual variability of carbon budget components in an AsiaFlux forest site estimated by long-term flux measurements

    Nobuko Saigusa;Susumu Yamamoto;Shohei Murayama;Hiroaki Kondo

  • Seasonal and annual variations in soil respiration in a cool-temperate deciduous broad-leaved forest in Japan

    Wenhong Mo;Mi Sun Lee;Masaki Uchida;Motoko Inatomi

  • Spatial distribution of carbon balance in forest ecosystems across East Asia

    Ryuichi Hirata;Nobuko Saigusa;Susumu Yamamoto;Yoshikazu Ohtani

  • Temporal and spatial variations in the seasonal patterns of CO2 flux in boreal, temperate, and tropical forests in East Asia

    Nobuko Saigusa;Susumu Yamamoto;Ryuichi Hirata;Yoshikazu Ohtani

  • Global terrestrial carbon fluxes of 1999–2019 estimated by upscaling eddy covariance data with a random forest

    Jiye Zeng;Tsuneo Matsunaga;Zheng-Hong Tan;Nobuko Saigusa

  • Seasonal and inter-annual variation of CO2 flux between a temperate forest and the atmosphere in Japan

    Susumu Yamamoto;Shohei Murayama;Nobuko Saigusa;Hiroaki Kondo

  • Carbon sequestration in boreal jack pine stands following harvesting

    Tianshan Zha;Alan G. Barr;T. Andy Black;J. Harry McCAUGHEY

  • New data-driven estimation of terrestrial CO2 fluxes in Asia using a standardized database of eddy covariance measurements, remote sensing data, and support vector regression

    Kazuhito Ichii;Kazuhito Ichii;Kazuhito Ichii;Masahito Ueyama;Masayuki Kondo;Masayuki Kondo;Nobuko Saigusa

  • Seasonal and interannual variations in carbon dioxide exchange of a temperate larch forest

    Ryuichi Hirata;Takashi Hirano;Nobuko Saigusa;Yasumi Fujinuma

  • Effects of seasonal and interannual variations in leaf photosynthesis and canopy leaf area index on gross primary production of a cool-temperate deciduous broadleaf forest in Takayama, Japan.

    Hiroyuki Muraoka;Nobuko Saigusa;Kenlo N. Nasahara;Hibiki Noda

  • Temperature and precipitation control of the spatial variation of terrestrial ecosystem carbon exchange in the Asian region

    Zhi Chen;Guirui Yu;Jianping Ge;Xiaomin Sun

  • A model and experimental study of evaporation from bare-soil surfaces

    Junsei Kondo;Nobuko Saigusa;Takeshi Sato

  • CO2 and water vapor exchange of a larch forest in northern Japan

    Takashi Hirano;Ryuichi Hirata;Yasumi Fujinuma;Nobuko Saigusa

  • The impact of interventions in the global land and agri-food sectors on Nature's Contributions to People and the UN Sustainable Development Goals.

    Pamela McElwee;Katherine Calvin;Donovan Campbell;Francesco Cherubini

  • Late-summer carbon fluxes from Canadian forests and peatlands along an east-west continental transect

    Carole Coursolle;Hank A Margolis;Alan G Barr;T Andrew Black

Frequent Co-Authors

Kazuhito Ichii
Kazuhito Ichii Chiba University
Takashi Hirano
Takashi Hirano Hokkaido University
Masahito Ueyama
Masahito Ueyama Osaka Metropolitan University
Kentaro Takagi
Kentaro Takagi Hokkaido University
Akihiko Ito
Akihiko Ito University of Tokyo
Yoshiki Yamagata
Yoshiki Yamagata Keio University
Takeshi Ohta
Takeshi Ohta Nagoya University
Hiroyuki Muraoka
Hiroyuki Muraoka Gifu University
Huimin Wang
Huimin Wang Chinese Academy of Sciences
Hideki Kobayashi
Hideki Kobayashi Japan Agency for Marine-Earth Science and Technology

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