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Karen Luise Knudsen

Karen Luise Knudsen

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Earth Science 51 3225 2948 35 34 232 9557

Karen Luise Knudsen publications per year

The chart shows the history of publications by Karen Luise Knudsen between 1969 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Karen Luise Knudsen published across 57 years, from 1969 to 2025, averaging 4.4 papers a year. Output peaked at 36 publications in 2008. 6 of the 252 publications appeared in the last two years.

No. of publications
10 20 30
Bar chart. Horizontal axis: year, 1969 to 2025. Vertical axis: number of publications, 0 to 36. Peak 36 publications in 2008. 1969: 1 publication 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: 1 publication 1980: 0 publications 1981: 0 publications 1982: 0 publications 1983: 0 publications 1984: 1 publication 1985: 1 publication 1986: 0 publications 1987: 1 publication 1988: 6 publications 1989: 0 publications 1990: 3 publications 1991: 5 publications 1992: 4 publications 1993: 1 publication 1994: 7 publications 1995: 6 publications 1996: 3 publications 1997: 4 publications 1998: 3 publications 1999: 6 publications 2000: 4 publications 2001: 2 publications 2002: 14 publications 2003: 2 publications 2004: 6 publications 2005: 2 publications 2006: 11 publications 2007: 4 publications 2008: 36 publications 2009: 10 publications 2010: 10 publications 2011: 14 publications 2012: 16 publications 2013: 7 publications 2014: 4 publications 2015: 9 publications 2016: 8 publications 2017: 3 publications 2018: 4 publications 2019: 5 publications 2020: 8 publications 2021: 11 publications 2022: 2 publications 2023: 1 publication 2024: 3 publications 2025: 3 publications
1969 2025

252 publications in total across all disciplines

View publications per year as a table
Karen Luise Knudsen: publications per year, 1969 to 2025
Year Publications
1969 1
1970 0
1971 0
1972 0
1973 0
1974 0
1975 0
1976 0
1977 0
1978 0
1979 1
1980 0
1981 0
1982 0
1983 0
1984 1
1985 1
1986 0
1987 1
1988 6
1989 0
1990 3
1991 5
1992 4
1993 1
1994 7
1995 6
1996 3
1997 4
1998 3
1999 6
2000 4
2001 2
2002 14
2003 2
2004 6
2005 2
2006 11
2007 4
2008 36
2009 10
2010 10
2011 14
2012 16
2013 7
2014 4
2015 9
2016 8
2017 3
2018 4
2019 5
2020 8
2021 11
2022 2
2023 1
2024 3
2025 3
Total 252
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Karen Luise Knudsen publications per year - data summary

  • Karen Luise Knudsen, a Earth Science scholar from Aarhus University, has 252 publications recorded across 57 years, from 1969 to 2025.
  • The oldest publication on record dates to 1969 and the most recent to 2025.
  • The most productive year is 2008, with 36 publications.
  • The least productive years with any output are 1969, 1979, 1984, 1985 and others, with 1 publication each.
  • 15 of the 57 years in the span carry no publications at all (1970, 1971, 1972, 1973 and others).
  • The rate of publication averages 4.4 papers per year over the whole span, or 6.0 per year counting only the 42 years with at least one publication.
  • The last 5 years on the chart (2021-2025) hold 20 publications, 8% of the career total.
  • Split into equal eras - 1969-1987: 5 publications (0.3 per year); 1988-2006: 89 publications (4.7 per year); 2007-2025: 158 publications (8.3 per year).
  • Comparing the opening and closing eras, the overall trend of publication is rising.

Karen Luise Knudsen 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 Karen Luise Knudsen 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, 228–237 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: 232 publications — 73rd percentile

73% 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
228–237 262 232
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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Karen Luise Knudsen publication distribution in Earth Science in 2026 - data summary

  • The chart plots the publication count of all 9,176 Earth Science scientists ranked by Research.com in 2026, grouped into 58 ranges running from 38–47 to 603+ publications.
  • Karen Luise Knudsen, a Earth Science scholar from Aarhus University, records 232 publications - the 73rd percentile of the discipline.
  • 73% of ranked Earth Science scientists score the same or lower than Karen Luise Knudsen, and about 27% score higher.
  • The median of the discipline falls in the 168–177 publications range, and Karen Luise Knudsen ranks above the median.
  • The most crowded range is 128–137 publications, holding 557 scientists (6% of the field).
  • 58% of the field sits in the lowest quarter of the value range (up to 178–187 publications), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 603 publications or more, 100 scientists in all (1% of the field).

Karen Luise Knudsen 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 Karen Luise Knudsen 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, 51 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: 51 D-Index — 66th percentile

66% 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
43 279
44 248
45 257
46 212
47 202
48 207
49 204
50 183
51 178 51
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
Download as CSV

Karen Luise Knudsen D-index placement in Earth Science in 2026 - data summary

  • The chart plots the discipline H-index (D-index) of all 9,176 Earth Science scientists ranked by Research.com in 2026, grouped into 77 ranges running from 30 to 106+ D-Index.
  • Karen Luise Knudsen, a Earth Science scholar from Aarhus University, records 51 D-Index - the 66th percentile of the discipline.
  • 66% of ranked Earth Science scientists score the same or lower than Karen Luise Knudsen, and about 34% score higher.
  • The median of the discipline falls in the 44 D-Index range, and Karen Luise Knudsen ranks above the median.
  • The most crowded range is 36 D-Index, holding 389 scientists (4% of the field).
  • 62% of the field sits in the lowest quarter of the value range (up to 49 D-Index), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 106 D-Index or more, 98 scientists in all (1% of the field).

Overview

Karen Luise Knudsen is affiliated with Aarhus University in Denmark. Their research spans across several fields within Earth and Planetary Sciences, with a particular focus on Environmental Science. The scientist's work primarily encompasses subfields such as Atmospheric Science, Oceanography, Paleontology, Ecology, and Environmental Chemistry.

The main topics of their research include:

  • Geology and Paleoclimatology Research
  • Isotope Analysis in Ecology
  • Marine and environmental studies
  • Methane Hydrates and Related Phenomena
  • Paleontology and Stratigraphy of Fossils
  • Geological formations and processes
  • Geological Studies and Exploration

Their publication record features multiple peer-reviewed articles, often published in venues such as:

  • Paleoceanography and Paleoclimatology
  • Quaternary Science Reviews
  • The Journal of Foraminiferal Research
  • Publishing Network for Geoscientific and Environmental Data (PANGAEA) (Alfred Wegener Institute for Polar and Marine Research)
  • Boreas

Recent papers co-authored or led by Karen Luise Knudsen include:

  • "Comparative analysis of six common foraminiferal species of the genera Cassidulina, Paracassidulina, and Islandiella from the Arctic-North Atlantic domain" (2021), published in Journal of Micropalaeontology
  • "Early diagenesis of foraminiferal calcite under anoxic conditions: A case study from the Landsort Deep, Baltic Sea (IODP Site M0063)" (2020), published in Chemical Geology
  • "Holocene Hydrographic Variations From the Baltic-North Sea Transitional Area (IODP Site M0059)" (2020), published in Paleoceanography and Paleoclimatology
  • "Diatom-reconstructed summer sea-surface temperatures and climatic events off North Iceland during the last deglaciation and Holocene" (2022), published in Palaeogeography Palaeoclimatology Palaeoecology
  • "Seasonal climate variations in the Baltic Sea during the Last Interglacial based on foraminiferal geochemistry" (2021), published in Quaternary Science Reviews

Frequent collaborators include:

  • Marit-Solveig Seidenkrantz
  • Jón Eiríksson
  • Leifur A. Símonarson
  • Sha Ni
  • Helena L. Filipsson

Best Publications

  • An event stratigraphy for the Last Termination in the North Atlantic region based on the Greenland ice-core record: a proposal by the INTIMATE group

    Svante Bjorck;Michael J.C. Walker;Les C. Cwynar;Sigfus Johnsen

  • Last Interglacial Climates

    George J. Kukla;Michael L. Bender;Jacques-Louis de Beaulieu;Gerard Bond

  • Isotopic &events' in the GRIP ice core: a stratotype for the Late Pleistocene

    M.J.C. Walker;S. Björck;J.J. Lowe;L.C. Cwynar

  • Late‐glacial and Holocene palaeoceanography of the North Icelandic shelf

    Jón Eiríksson;Karen Luise Knudsen;Haflidi Haflidason;Peter Henriksen

  • A mid-Holocene shift in Arctic sea-ice variability on the East Greenland Shelf

    Anne E. Jennings;Karen Luise Knudsen;Morten Hald;Carsten Vigen Hansen

  • surface changes in the north Atlantic meridional overturning circulation during the last millennium

    Alan D. Wanamaker;Paul G. Butler;James D. Scourse;Jan Heinemeier

  • Decadal variability of sea surface temperatures off North Iceland over the last 2000 years

    Marie Alexandrine Sicre;Jérémy Jacob;Ullah Ezat;Sonia Rousse

  • Very Long-Lived Mollusks Confirm 17th Century AD Tephra-Based Radiocarbon Reservoir Ages for North Icelandic Shelf Waters

    Alan D Wanamaker;Jan Heinemeier;James D Scourse;Christopher A Richardson

  • Marine reservoir age variability and water mass distribution in the Iceland Sea

    Jón Eiríksson;Gudrún Larsen;Karen Luise Knudsen;Jan Heinemeier

  • Evidence for solar forcing of sea-surface temperature on the North Icelandic Shelf during the late Holocene

    Hui Jiang;Jón Eiríksson;Michael Schulz;Karen-Luise Knudsen

  • Deglacial and Holocene conditions in northernmost Baffin Bay: sediments, foraminifera, diatoms and stable isotopes

    Karen Luise Knudsen;Bjørg Stabell;Marit-Solveig Seidenkrantz;Jón Eiríksson

  • Chronology of late Holocene climatic events in the northern North Atlantic based on AMS 14C dates and tephra markers from the volcano Hekla, Iceland

    Jón Eiríksson;Karen Luise Knudsen;Haflidi Haflidason;Jan Heinemeier

  • Correlation of late Holocene terrestrial and marine tephra markers, north Iceland: implications for reservoir age changes

    Gudrun Larsen;Jón Eiríksson;Karen Luise Knudsen;Jan Heinemeier

  • Late Quaternary ice sheet, lake and sea history of southwest Scandinavia - a synthesis

    Nicolaj Krog Larsen;Karen Luise Knudsen;Charlotte Fog Krohn;Christian Kronborg

  • Late-Holocene summer sea-surface temperatures based on a diatom record from the north Icelandic shelf

    Hui Jiang;Marit-Solveig Seidenkrantz;Karen Luise Knudsen;Jón Eríksson

  • Diatom surface sediment assemblages around Iceland and their relationships to oceanic environmental variables

    H Jiang;M.-S Seidenkrantz;K.L Knudsen;J Eirı́ksson

  • MODERN DISTRIBUTION OF BENTHIC FORAMINIFERA ON THE NORTH ICELANDIC SHELF AND SLOPE

    Frank Rytter;Karen Luise Knudsen;Marit-Solveig Seidenkrantz;Jón Eiríksson

  • Sea surface temperature variability in the subpolar Atlantic over the last two millennia

    Marie-Alexandrine Sicre;Ian R. Hall;Juliette Mignot;Myriam Khodri

  • Two-step deglaciation at the oxygen isotope stage 6/5e transition: The Zeifen-Kattegat climate oscillation

    Marit-Solveig Seidenkrantz;Marit-Solveig Seidenkrantz;Lennart Bornmalm;Sigfus J. Johnsen;Sigfus J. Johnsen;Sigfus J. Johnsen;Karen Luise Knudsen;Karen Luise Knudsen

  • Applying foraminiferal stratigraphy as a biomarker for heavy metal contamination and mining impact in a fiord in West Greenland.

    Bo Elberling;Karen Luise Knudsen;Peter H Kristensen;Gert Asmund

  • Variability of the North Atlantic Current during the last 2000 years based on shelf bottom water and sea surface temperatures along an open ocean/shallow marine transect in western Europe

    Jón Eiríksson;Helga Bára Bartels-Jónsdóttir;Alix G. Cage;Esther Ruth Gudmundsdóttir

Frequent Co-Authors

Jón Eiríksson
Jón Eiríksson University of Iceland
Eystein Jansen
Eystein Jansen University of Bergen
Jesper V. Olsen
Jesper V. Olsen University of Copenhagen
Marie-Alexandrine Sicre
Marie-Alexandrine Sicre Sorbonne University
Jan Heinemeier
Jan Heinemeier Aarhus University
William E. N. Austin
William E. N. Austin University of St Andrews
Hans Petter Sejrup
Hans Petter Sejrup University of Bergen
Svante Björck
Svante Björck Lund University
Anne E. Jennings
Anne E. Jennings University of Colorado Boulder

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