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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 66 2112 2015 26 26 208 14607

Heikki Seppä publications per year

The chart shows the history of publications by Heikki Seppä between 1976 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Heikki Seppä published across 51 years, from 1976 to 2026, averaging 7.3 papers a year. Output peaked at 19 publications in 2009. 6 of the 372 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1976 to 2026. Vertical axis: number of publications, 0 to 19. Peak 19 publications in 2009. 1976: 1 publication 1977: 0 publications 1978: 3 publications 1979: 3 publications 1980: 1 publication 1981: 3 publications 1982: 4 publications 1983: 1 publication 1984: 2 publications 1985: 2 publications 1986: 2 publications 1987: 0 publications 1988: 1 publication 1989: 3 publications 1990: 1 publication 1991: 2 publications 1992: 3 publications 1993: 3 publications 1994: 1 publication 1995: 1 publication 1996: 3 publications 1997: 2 publications 1998: 9 publications 1999: 5 publications 2000: 10 publications 2001: 8 publications 2002: 12 publications 2003: 13 publications 2004: 16 publications 2005: 8 publications 2006: 11 publications 2007: 12 publications 2008: 10 publications 2009: 19 publications 2010: 15 publications 2011: 16 publications 2012: 15 publications 2013: 17 publications 2014: 17 publications 2015: 19 publications 2016: 15 publications 2017: 14 publications 2018: 7 publications 2019: 11 publications 2020: 10 publications 2021: 2 publications 2022: 11 publications 2023: 13 publications 2024: 9 publications 2025: 4 publications 2026: 2 publications
1976 2026

372 publications in total across all disciplines

View publications per year as a table
Heikki Seppä: publications per year, 1976 to 2026
Year Publications
1976 1
1977 0
1978 3
1979 3
1980 1
1981 3
1982 4
1983 1
1984 2
1985 2
1986 2
1987 0
1988 1
1989 3
1990 1
1991 2
1992 3
1993 3
1994 1
1995 1
1996 3
1997 2
1998 9
1999 5
2000 10
2001 8
2002 12
2003 13
2004 16
2005 8
2006 11
2007 12
2008 10
2009 19
2010 15
2011 16
2012 15
2013 17
2014 17
2015 19
2016 15
2017 14
2018 7
2019 11
2020 10
2021 2
2022 11
2023 13
2024 9
2025 4
2026 2
Total 372
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Heikki Seppä 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 Heikki Seppä 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: 208 publications — 67th percentile

67% 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
201–210 318 208
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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Heikki Seppä 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 Heikki Seppä 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, 66 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: 66 D-Index — 79th percentile

79% 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
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 66
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

Heikki Seppä is affiliated with the University of Helsinki in Finland and specializes in Earth and Planetary Sciences, with a significant focus in Environmental Science.

Their research contributions span multiple fields of study, including:

  • Atmospheric Science
  • Global and Planetary Change
  • Materials Chemistry
  • Atomic and Molecular Physics, and Optics
  • Ecology

Main topics of their scientific work address:

  • Geology and Paleoclimatology Research
  • Tree-ring climate responses
  • Graphene research and applications
  • Archaeology and ancient environmental studies
  • Fire effects on ecosystems
  • Pleistocene-Era Hominins and Archaeology
  • Isotope Analysis in Ecology

Seppä's publication record includes papers in prominent outlets, reflecting interdisciplinary research efforts. Frequent venues for their work encompass:

  • Scientific Data
  • Quaternary Science Reviews
  • Global and Planetary Change
  • CATENA
  • Climate of the past

Among recent papers authored or co-authored by Seppä are:

  • "Pollen-based climate reconstruction techniques for late Quaternary studies", 2020, Earth-Science Reviews
  • "A global database of Holocene paleotemperature records", 2020, Scientific Data
  • "The Eurasian Modern Pollen Database (EMPD), version 2", 2020, Earth system science data
  • "Assessing changes in global fire regimes", 2024, Fire Ecology
  • "Publisher Correction: A global database of Holocene paleotemperature records", 2020, Scientific Data

The scientist has collaborated frequently with several researchers including:

  • Walter Finsinger
  • Thomas Brussel
  • Angelica Feurdean
  • William J. Fletcher
  • Manuel Chevalier

Best Publications

  • Pollen-based continental climate reconstructions at 6 and 21 ka: A global synthesis

    Patrick J Bartlein;S P Harrison;S P Harrison;S Brewer;Simon Connor

  • The spatial and temporal complexity of the Holocene thermal maximum

    Hans Renssen;H. Sëppa;O. Heiri;Didier Roche

  • July mean temperature and annual precipitation trends during the Holocene in the Fennoscandian tree-line area: pollen-based climate reconstructions

    Heikki Seppä;Harry John Betteley Birks

  • Strengths and Weaknesses of Quantitative Climate Reconstructions Based on Late-Quaternary Biological Proxies

    Unknown

  • Global characterization of the Holocene Thermal Maximum

    Hans Renssen;Heikki Seppä;Xavier Crosta;Hugues Goosse

  • Last nine-thousand years of temperature variability in Northern Europe

    H. Seppä;A. E. Bjune;R. J. Telford;H. J. B. Birks;H. J. B. Birks

  • Holocene land-cover reconstructions for studies on land cover-climate feedbacks

    M. J Gaillard;S. Sugita;F. Mazier;F. Mazier;A. K Trondman

  • Pollen-based climate reconstruction techniques for late Quaternary studies

    Manuel Chevalier;Basil A. S. Davis;Oliver Heiri;Heikki Seppä

  • A global database of Holocene paleotemperature records

    Darrell Kaufman;Nicholas McKay;Cody Routson;Michael Erb

  • Low-frequency and high-frequency changes in temperature and effective humidity during the Holocene in south-central Sweden: implications for atmospheric and oceanic forcings of climate

    Heikki Seppä;Dan Hammarlund;Karin Antonsson

  • A modern pollen–climate calibration set from northern Europe: developing and testing a tool for palaeoclimatological reconstructions

    Heikki Seppä;H. J. B. Birks;Arvid Odland;Anneli Poska

  • Pollen-based quantitative reconstructions of Holocene regional vegetation cover (plant-functional types and land-cover types) in Europe suitable for climate modelling.

    Anna-Kari Trondman;M.J. Gaillard;Florence Mazier;S. Sugita

  • A 11,000 yr palaeotemperature reconstruction from the southern boreal zone in Finland

    Maija Pauliina Heikkilä;Heikki Seppä

  • Does pollen-assemblage richness reflect floristic richness? A review of recent developments and future challenges

    Harry John Betteley Birks;Harry John Betteley Birks;Vivian Astrup Felde;Anne Elisabeth Bjune;John-Arvid Grytnes

  • Holocene Climate Reconstructions from the Fennoscandian Tree-Line Area Based on Pollen Data from Toskaljavri

    Heikki Seppä;H.J.B Birks;H.J.B Birks

  • High-resolution reconstruction of wetness dynamics in a southern boreal raised bog, Finland, during the late Holocene: a quantitative approach

    Minna Väliranta;Atte Korhola;Heikki Seppä;Eeva-Stiina Tuittila

  • Cold event at 8200 yr B.P. recorded in annually laminated lake sediments in eastern Europe

    Siim Veski;Heikki Seppä;Antti E.K. Ojala

  • Validation of climate model-inferred regional temperature change for late-glacial Europe

    Oliver Heiri;Stephen J. Brooks;Hans Renssen;Alan Bedford

  • Human population dynamics in Europe over the Last Glacial Maximum.

    Miikka Tallavaara;Miska Luoto;Natalia Korhonen;Heikki Järvinen

  • Quaternary pollen analysis: recent progress in palaeoecology and palaeoclimatology

    Heikki Seppä;K.D. Bennett

  • Changes of treelines and alpine vegetation in relation to post-glacial climate dynamics in northern Fennoscandia based on pollen and chironomid records

    Heikki Tapani Seppä;Marjut Talvikki Nyman;Atte Antero Korhola;Jan Björn Weckström

  • Exploring climatic and biotic controls on Holocene vegetation change in Fennoscandia

    Paul A. Miller;Thomas Giesecke;Thomas Giesecke;Thomas Hickler;Richard H. W. Bradshaw

Frequent Co-Authors

Anne E. Bjune
Anne E. Bjune Bjerknes Centre for Climate Research
Hans Renssen
Hans Renssen University of South-Eastern Norway
H. J. B. Birks
H. J. B. Birks University of Bergen
Richard H. W. Bradshaw
Richard H. W. Bradshaw University of Liverpool
Anneli Poska
Anneli Poska Tallinn University of Technology
Minna Väliranta
Minna Väliranta University of Helsinki
Oliver Heiri
Oliver Heiri University of Basel
Florence Mazier
Florence Mazier Federal University of Toulouse Midi-Pyrénées
Ralph Fyfe
Ralph Fyfe Plymouth University
Shinya Sugita
Shinya Sugita Tallinn University

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