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Sirpa Häkkinen

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Earth Science 42 5274 4872 1971 1753 90 6429

Sirpa Häkkinen publications per year

The chart shows the history of publications by Sirpa Häkkinen between 1980 and 2018, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Sirpa Häkkinen published across 39 years, from 1980 to 2018, averaging 2.3 papers a year. Output peaked at 7 publications in 2002. 1 of the 90 publications appeared in the last two years.

No. of publications
2 4 6
Bar chart. Horizontal axis: year, 1980 to 2018. Vertical axis: number of publications, 0 to 7. Peak 7 publications in 2002. 1980: 1 publication 1981: 0 publications 1982: 0 publications 1983: 0 publications 1984: 0 publications 1985: 0 publications 1986: 2 publications 1987: 4 publications 1988: 4 publications 1989: 1 publication 1990: 2 publications 1991: 0 publications 1992: 2 publications 1993: 2 publications 1994: 0 publications 1995: 2 publications 1996: 0 publications 1997: 1 publication 1998: 0 publications 1999: 4 publications 2000: 3 publications 2001: 6 publications 2002: 7 publications 2003: 3 publications 2004: 6 publications 2005: 3 publications 2006: 1 publication 2007: 4 publications 2008: 3 publications 2009: 1 publication 2010: 2 publications 2011: 7 publications 2012: 5 publications 2013: 6 publications 2014: 2 publications 2015: 1 publication 2016: 4 publications 2017: 0 publications 2018: 1 publication
1980 2018

90 publications in total across all disciplines

View publications per year as a table
Sirpa Häkkinen: publications per year, 1980 to 2018
Year Publications
1980 1
1981 0
1982 0
1983 0
1984 0
1985 0
1986 2
1987 4
1988 4
1989 1
1990 2
1991 0
1992 2
1993 2
1994 0
1995 2
1996 0
1997 1
1998 0
1999 4
2000 3
2001 6
2002 7
2003 3
2004 6
2005 3
2006 1
2007 4
2008 3
2009 1
2010 2
2011 7
2012 5
2013 6
2014 2
2015 1
2016 4
2017 0
2018 1
Total 90
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Sirpa Häkkinen 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 Sirpa Häkkinen 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, 88–97 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: 90 publications — 7th percentile

7% 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 90
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
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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Sirpa Häkkinen 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 Sirpa Häkkinen 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, 42 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: 42 D-Index — 44th percentile

44% 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
34 366
35 372
36 389
37 366
38 344
39 349
40 296
41 289
42 277 42
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

Sirpa Häkkinen is affiliated with the Goddard Space Flight Center in the United States. This institution is known for its extensive work in space and Earth sciences, providing a research environment that supports studies related to astrophysics, geoscience, and space technology.

The available data does not list recent papers or specific publications by Sirpa Häkkinen. There is also no information on frequent co-authors or common publication venues associated with their work. This absence suggests either a limited public record of scientific publications or confidentiality in certain research activities.

Similarly, there is no detailed information about the main fields of study, subfields, or primary research topics related to Sirpa Häkkinen. The data does not specify book publications or awards won, which limits the ability to outline the scientist's exact specialization or contributions to particular scientific domains.

Due to the lack of detailed publication data, it is not possible to present specific studies or papers with their titles, years, and venues. Likewise, no coauthor collaborations or thematic research areas can be enumerated beyond the institutional affiliation.

Sirpa Häkkinen is currently living, and no records suggest otherwise. This profile focuses on factual and verifiable information without assumptions about the scientist's broader impact outside the documented affiliations.

Best Publications

  • Decline of subpolar North Atlantic circulation during the 1990s

    Sirpa Häkkinen;Peter B. Rhines

  • Atmospheric Blocking and Atlantic Multidecadal Ocean Variability

    Sirpa Häkkinen;Peter B. Rhines;Denise L. Worthen

  • An Arctic source for the great salinity anomaly: A simulation of the Arctic ice-ocean system for 1955–1975

    Sirpa Häkkinen

  • Atmospheric Blocking and Atlantic Multi-Decadal Ocean Variability

    Sirpa Hakkinen;Peter B. Rhines;Denise L. Worthen

  • Shifting surface currents in the northern North Atlantic Ocean

    Sirpa Hakkinen;Peter B. Rhines

  • A Generalization of a Sigma Coordinate Ocean Model and an Intercomparison of Model Vertical Grids

    George L. Mellor;Sirpa M. Häkkinen;Tal Ezer;Richard C. Patchen

  • A Simulation of Thermohaline Effects of a Great Salinity Anomaly

    Sirpa Häkkinen

  • Variability of the simulated meridional heat transport in the North Atlantic for the period 1951–1993

    Sirpa Häkkinen

  • Warm and Saline Events Embedded in the Meridional Circulation of the Northern North Atlantic

    Sirpa Häkkinen;Peter B. Rhines;Denise L. Worthen

  • Modeling the seasonal variability of a coupled Arctic ice‐ocean system

    Sirpa Häkkinen;George L. Mellor

  • Water properties and circulation in Arctic Ocean models

    G. Holloway;F. Dupont;E. Golubeva;S. Häkkinen

  • Sea ice drift in the Arctic since the 1950s

    Sirpa M. A. Hakkinen;Andrey Proshutinsky;Igor M. Ashik

  • Coupled ice-ocean dynamics in the marginal ice zones Upwelling/downwelling and eddy generation

    Sirpa Häkkinen

  • Freshwater content variability in the Arctic Ocean

    Sirpa M. A. Hakkinen;Andrey Proshutinsky

  • Remote climate forcing of decadal‐scale regime shifts in Northwest Atlantic shelf ecosystems

    Charles H. Greene;Erin Meyer-Gutbrod;Bruce C. Monger;Louise P. McGarry

  • A study of oceanic surface heat fluxes in the Greenland, Norwegian, and Barents Seas

    Sirpa Häkkinen;Donald J. Cavalieri

  • Variability in Sea Surface Height: A Qualitative Measure for the Meridional Overturning in the North Atlantic

    Sirpa Häkkinen

  • Wind-Driven Variability of the Large-Scale Recirculating Flow in the Nordic Seas and Arctic Ocean

    Pål E. Isachsen;J. H. LaCasce;C. Mauritzen;S. Häkkinen

  • Evaluation of Arctic sea ice thickness simulated by Arctic Ocean Model Intercomparison Project models

    Mark Andrew Johnson;Andrey Y. Proshutinsky;Yevgeny Aksenov;An T Nguyen

  • Secular sea level change in the Russian sector of the Arctic Ocean

    Andrey Proshutinsky;Igor M. Ashik;E. N. Dvorkin;Sirpa M. A. Hakkinen

  • Adrift in the Beaufort Gyre: A Model Intercomparison

    M. Steele;W. Ermold;S. Häkkinen;D. Holland

Frequent Co-Authors

Jinlun Zhang
Jinlun Zhang University of Washington
Andrey Proshutinsky
Andrey Proshutinsky Woods Hole Oceanographic Institution
Peter B. Rhines
Peter B. Rhines University of Washington
Michael Karcher
Michael Karcher Alfred Wegener Institute for Polar and Marine Research
Wieslaw Maslowski
Wieslaw Maslowski Naval Postgraduate School
Michael Steele
Michael Steele University of Washington
Frank Kauker
Frank Kauker Alfred Wegener Institute for Polar and Marine Research
David M. Holland
David M. Holland New York University
Jia Wang
Jia Wang Great Lakes Environmental Research Laboratory
James A. Carton
James A. Carton University of Maryland, College Park

External Links

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Related Online Degrees & Career Pathways

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Those aiming to enter organizational roles within environmental firms or government agencies can benefit from degrees like a master's in business or human resources management. The human resource management masters degree online offers a flexible path to develop leadership and administrative skills crucial for managing technical teams.

Earth Science enthusiasts at any stage of life can find accessible education options. For example, seniors seeking to advance or pivot their careers may find the online degree programs for seniors particularly appealing. These programs provide the flexibility and tailored support necessary for returning learners.

Additionally, those interested in information science or library management might explore ala-accredited schools, which offer respected online degrees blending technology and research skills—complementary assets for data-driven Earth Science careers.

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Publications: 23

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