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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Electronics and Electrical Engineering 47 3182 3047 94 91 166 10151

Werner Alpers publications per year

The chart shows the history of publications by Werner Alpers between 1969 and 2024, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Werner Alpers published across 56 years, from 1969 to 2024, averaging 3.9 papers a year. Output peaked at 14 publications in 1998. 2 of the 216 publications appeared in the last two years.

No. of publications
5 10
Bar chart. Horizontal axis: year, 1969 to 2024. Vertical axis: number of publications, 0 to 14. Peak 14 publications in 1998. 1969: 1 publication 1970: 0 publications 1971: 2 publications 1972: 1 publication 1973: 0 publications 1974: 1 publication 1975: 2 publications 1976: 0 publications 1977: 1 publication 1978: 5 publications 1979: 1 publication 1980: 0 publications 1981: 5 publications 1982: 3 publications 1983: 6 publications 1984: 1 publication 1985: 2 publications 1986: 8 publications 1987: 2 publications 1988: 4 publications 1989: 5 publications 1990: 2 publications 1991: 5 publications 1992: 4 publications 1993: 12 publications 1994: 9 publications 1995: 6 publications 1996: 9 publications 1997: 13 publications 1998: 14 publications 1999: 11 publications 2000: 1 publication 2001: 7 publications 2002: 1 publication 2003: 3 publications 2004: 3 publications 2005: 4 publications 2006: 4 publications 2007: 3 publications 2008: 5 publications 2009: 1 publication 2010: 8 publications 2011: 3 publications 2012: 4 publications 2013: 10 publications 2014: 5 publications 2015: 3 publications 2016: 2 publications 2017: 1 publication 2018: 3 publications 2019: 2 publications 2020: 1 publication 2021: 4 publications 2022: 1 publication 2023: 0 publications 2024: 2 publications
1969 2024

216 publications in total across all disciplines

View publications per year as a table
Werner Alpers: publications per year, 1969 to 2024
Year Publications
1969 1
1970 0
1971 2
1972 1
1973 0
1974 1
1975 2
1976 0
1977 1
1978 5
1979 1
1980 0
1981 5
1982 3
1983 6
1984 1
1985 2
1986 8
1987 2
1988 4
1989 5
1990 2
1991 5
1992 4
1993 12
1994 9
1995 6
1996 9
1997 13
1998 14
1999 11
2000 1
2001 7
2002 1
2003 3
2004 3
2005 4
2006 4
2007 3
2008 5
2009 1
2010 8
2011 3
2012 4
2013 10
2014 5
2015 3
2016 2
2017 1
2018 3
2019 2
2020 1
2021 4
2022 1
2023 0
2024 2
Total 216
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Werner Alpers publication distribution in Electronics and Electrical Engineering in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Electronics and Electrical Engineering in 2026. The highlighted bar marks where Werner Alpers sits on this spectrum.

No. of scientists
100 200 300 400
Bar chart with 53 bars. Horizontal axis: publications, 34–53 to 1,065+. Vertical axis: number of scientists, 0 to 445. Most scientists, 445, have 174–193 publications. The last bar groups every scientist with 1,065 publications or more. The highlighted bar, 154–173 publications, is where this scientist sits. 34–53 publications: 24 scientists 54–73 publications: 52 scientists 74–93 publications: 114 scientists 94–113 publications: 203 scientists 114–133 publications: 269 scientists 134–153 publications: 355 scientists 154–173 publications: 403 scientists 174–193 publications: 445 scientists 194–213 publications: 430 scientists 214–233 publications: 431 scientists 234–253 publications: 399 scientists 254–273 publications: 366 scientists 274–293 publications: 335 scientists 294–313 publications: 300 scientists 314–333 publications: 276 scientists 334–353 publications: 250 scientists 354–373 publications: 214 scientists 374–393 publications: 187 scientists 394–413 publications: 152 scientists 414–433 publications: 169 scientists 434–453 publications: 147 scientists 454–473 publications: 111 scientists 474–493 publications: 117 scientists 494–513 publications: 103 scientists 514–533 publications: 99 scientists 534–553 publications: 92 scientists 554–573 publications: 75 scientists 574–593 publications: 58 scientists 594–613 publications: 69 scientists 614–633 publications: 50 scientists 634–653 publications: 62 scientists 654–673 publications: 54 scientists 674–693 publications: 44 scientists 694–713 publications: 37 scientists 714–733 publications: 28 scientists 734–753 publications: 26 scientists 754–773 publications: 26 scientists 774–793 publications: 19 scientists 794–813 publications: 23 scientists 814–833 publications: 20 scientists 834–853 publications: 16 scientists 854–873 publications: 20 scientists 874–893 publications: 11 scientists 894–913 publications: 11 scientists 914–933 publications: 16 scientists 934–953 publications: 13 scientists 954–973 publications: 10 scientists 974–993 publications: 11 scientists 994–1,013 publications: 9 scientists 1,014–1,033 publications: 9 scientists 1,034–1,053 publications: 10 scientists 1,054–1,064 publications: 6 scientists 1,065+ publications: 99 scientists
34–53 publications 1,065+

This scientist: 166 publications — 19th percentile

19% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,065 publications or more.

View publications distribution as a table
Number of Electronics and Electrical Engineering scientists by publication count, Research.com 2026 ranking edition. Based on 6,875 ranked scientists.
Publications Scientists This scientist
34–53 24
54–73 52
74–93 114
94–113 203
114–133 269
134–153 355
154–173 403 166
174–193 445
194–213 430
214–233 431
234–253 399
254–273 366
274–293 335
294–313 300
314–333 276
334–353 250
354–373 214
374–393 187
394–413 152
414–433 169
434–453 147
454–473 111
474–493 117
494–513 103
514–533 99
534–553 92
554–573 75
574–593 58
594–613 69
614–633 50
634–653 62
654–673 54
674–693 44
694–713 37
714–733 28
734–753 26
754–773 26
774–793 19
794–813 23
814–833 20
834–853 16
854–873 20
874–893 11
894–913 11
914–933 16
934–953 13
954–973 10
974–993 11
994–1,013 9
1,014–1,033 9
1,034–1,053 10
1,054–1,064 6
1,065+ 99
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Werner Alpers D-index placement in Electronics and Electrical Engineering in 2026

The chart shows the D-index (discipline H-index) distribution of Electronics and Electrical Engineering scientists ranked by Research.com in 2026. The highlighted bar marks where Werner Alpers sits on this spectrum.

No. of scientists
50 100 150 200 250
Bar chart with 82 bars. Horizontal axis: D-Index, 30 to 111+. Vertical axis: number of scientists, 0 to 263. Most scientists, 263, have 32 D-Index. The last bar groups every scientist with 111 D-Index or more. The highlighted bar, 47 D-Index, is where this scientist sits. 30 D-Index: 178 scientists 31 D-Index: 257 scientists 32 D-Index: 263 scientists 33 D-Index: 262 scientists 34 D-Index: 244 scientists 35 D-Index: 236 scientists 36 D-Index: 211 scientists 37 D-Index: 220 scientists 38 D-Index: 214 scientists 39 D-Index: 214 scientists 40 D-Index: 205 scientists 41 D-Index: 187 scientists 42 D-Index: 194 scientists 43 D-Index: 201 scientists 44 D-Index: 155 scientists 45 D-Index: 189 scientists 46 D-Index: 148 scientists 47 D-Index: 160 scientists 48 D-Index: 134 scientists 49 D-Index: 130 scientists 50 D-Index: 141 scientists 51 D-Index: 156 scientists 52 D-Index: 108 scientists 53 D-Index: 130 scientists 54 D-Index: 112 scientists 55 D-Index: 97 scientists 56 D-Index: 111 scientists 57 D-Index: 102 scientists 58 D-Index: 108 scientists 59 D-Index: 120 scientists 60 D-Index: 103 scientists 61 D-Index: 93 scientists 62 D-Index: 92 scientists 63 D-Index: 74 scientists 64 D-Index: 77 scientists 65 D-Index: 73 scientists 66 D-Index: 64 scientists 67 D-Index: 69 scientists 68 D-Index: 60 scientists 69 D-Index: 39 scientists 70 D-Index: 57 scientists 71 D-Index: 59 scientists 72 D-Index: 46 scientists 73 D-Index: 49 scientists 74 D-Index: 38 scientists 75 D-Index: 35 scientists 76 D-Index: 32 scientists 77 D-Index: 35 scientists 78 D-Index: 31 scientists 79 D-Index: 22 scientists 80 D-Index: 34 scientists 81 D-Index: 31 scientists 82 D-Index: 34 scientists 83 D-Index: 23 scientists 84 D-Index: 18 scientists 85 D-Index: 30 scientists 86 D-Index: 19 scientists 87 D-Index: 19 scientists 88 D-Index: 20 scientists 89 D-Index: 8 scientists 90 D-Index: 17 scientists 91 D-Index: 7 scientists 92 D-Index: 14 scientists 93 D-Index: 9 scientists 94 D-Index: 15 scientists 95 D-Index: 10 scientists 96 D-Index: 12 scientists 97 D-Index: 10 scientists 98 D-Index: 10 scientists 99 D-Index: 12 scientists 100 D-Index: 16 scientists 101 D-Index: 5 scientists 102 D-Index: 7 scientists 103 D-Index: 7 scientists 104 D-Index: 8 scientists 105 D-Index: 9 scientists 106 D-Index: 13 scientists 107 D-Index: 4 scientists 108 D-Index: 5 scientists 109 D-Index: 10 scientists 110 D-Index: 8 scientists 111+ D-Index: 96 scientists
30 D-Index 111+

This scientist: 47 D-Index — 54th percentile

54% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 111 D-Index or more.

View D-Index distribution as a table
Number of Electronics and Electrical Engineering scientists by D-index, Research.com 2026 ranking edition. Based on 6,875 ranked scientists.
D-Index Scientists This scientist
30 178
31 257
32 263
33 262
34 244
35 236
36 211
37 220
38 214
39 214
40 205
41 187
42 194
43 201
44 155
45 189
46 148
47 160 47
48 134
49 130
50 141
51 156
52 108
53 130
54 112
55 97
56 111
57 102
58 108
59 120
60 103
61 93
62 92
63 74
64 77
65 73
66 64
67 69
68 60
69 39
70 57
71 59
72 46
73 49
74 38
75 35
76 32
77 35
78 31
79 22
80 34
81 31
82 34
83 23
84 18
85 30
86 19
87 19
88 20
89 8
90 17
91 7
92 14
93 9
94 15
95 10
96 12
97 10
98 10
99 12
100 16
101 5
102 7
103 7
104 8
105 9
106 13
107 4
108 5
109 10
110 8
111+ 96
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Overview

Werner Alpers is affiliated with Universität Hamburg in Germany and has contributed extensively to the fields of Earth and Planetary Sciences, with particular focus on Oceanography, Earth-Surface Processes, and Atmospheric Science. Their research involves the study of ocean waves, remote sensing, coastal and marine dynamics, oceanographic and atmospheric processes, precipitation measurement and analysis, and meteorological phenomena and simulations.

Alpers's work has been published in multiple peer-reviewed venues, including:

  • Oceanography
  • Remote Sensing of Environment
  • Journal of Geophysical Research Oceans
  • International Journal of Remote Sensing
  • Continental Shelf Research

Some notable papers authored or co-authored by Werner Alpers include:

  • "Surface Wave Breaking Caused by Internal Solitary Waves: Effects on Radar Backscattering Measured by SAR and Radar Altimeter," 2021, Oceanography
  • "Breaking Location of Internal Solitary Waves Over a Sloping Seabed," 2020, Journal of Geophysical Research Oceans
  • "A note on radar signatures of hydrometeors in the melting layer as inferred from Sentinel-1 SAR data acquired over the ocean," 2020, Remote Sensing of Environment
  • "On the physical mechanism causing strongly enhanced radar backscatter in C-Band SAR images of convective rain over the ocean," 2024, International Journal of Remote Sensing
  • "Observations and generation of internal waves in the Strait of Sicily," 2024, Continental Shelf Research

Frequent collaborators include Pak Wai Chan, Davide Cavaliere, Giovanni La Forgia, J. M. Magalhaes, and Adriana M. Santos-Ferreira.

Thematic emphases of Alpers's research span:

  • Ocean Waves and Remote Sensing
  • Coastal and Marine Dynamics
  • Oceanographic and Atmospheric Processes
  • Precipitation Measurement and Analysis
  • Meteorological Phenomena and Simulations

The research led or contributed to by Alpers often involves advanced techniques in radar backscatter analysis and satellite-based remote sensing. This includes the study of interactions between internal solitary waves and ocean surface dynamics, as well as investigations into the radar signatures associated with atmospheric hydrometeors and convective rain over maritime regions.

Best Publications

  • On the detectability of ocean surface waves by real and synthetic aperture radar

    Werner R. Alpers;Duncan B. Ross;Clifford L. Rufenach

  • Theory of radar imaging of internal waves

    Werner Alpers;Werner Alpers

  • Theory of synthetic aperture radar ocean imaging: A MARSEN view

    Klaus Hasselmann;R. K. Raney;W. J. Plant;W. Alpers

  • A theory of the imaging mechanism of underwater bottom topography by real and synthetic aperture radar

    Werner Alpers;Ingo Hennings

  • The damping of ocean waves by surface films: A new look at an old problem

    Werner Alpers;Heinrich Hühnerfuss

  • The effect of orbital motions on synthetic aperture radar imagery of ocean waves

    W. Alpers;C. Rufenach

  • Imaging of biogenic and anthropogenic ocean surface films by the multifrequency/multipolarization SIR‐C/X‐SAR

    Martin Gade;Werner Alpers;Heinrich Hühnerfuss;Harunobu Masuko

  • An improved composite surface model for the radar backscattering cross section of the ocean surface 1. Theory of the model and optimization/validation by scatterometer data

    Roland Romeiser;Werner Alpers;Volkmar Wismann

  • The two-frequency microwave technique for measuring ocean-wave spectra from an airplane or satellite

    Werner Alpers;Werner Alpers;Klaus Hasselmann

  • Atmospheric boundary layer rolls observed by the synthetic aperture radar aboard the ERS-1 satellite

    W. Alpers;B. Brümmer

  • Oil spill detection by imaging radars: Challenges and pitfalls

    Werner Alpers;Benjamin Holt;Kan Zeng

  • An improved composite surface model for the radar backscattering cross section of the ocean surface: 2. Model response to surface roughness variations and the radar imaging of underwater bottom topography

    Roland Romeiser;Werner Alpers

  • Radar signatures of oil films floating on the sea surface and the Marangoni effect

    Werner Alpers;Heinrich Hühnerfuss

  • Using ERS-2 SAR images for routine observation of marine pollution in European coastal waters.

    Martin Gade;Werner Alpers

  • Study of the generation and propagation of internal waves in the Strait of Gibraltar using a numerical model and synthetic aperture radar images of the European ERS 1 satellite

    Peter Brandt;Werner Alpers;Jan O. Backhaus

  • Monte Carlo simulations for studying the relationship between ocean wave and synthetic aperture radar image spectra

    Werner Alpers

  • Scylla and Charybdis observed from space

    Werner Alpers;Ettore Salusti

  • The role of the critical angle in brightness reversals on sunglint images of the sea surface

    Christopher. R. Jackson;Werner Alpers

  • Spectral signal to clutter and thermal noise properties of ocean wave imaging synthetic aperture radars

    Werner Alpers;Klaus Hasselmann

  • On the reduction of the radar backscatter by oceanic surface films: Scatterometer measurements and their theoretical interpretation

    Martin Gade;Werner Alpers;Heinrich Hühnerfuss;Volkmar R. Wismann

  • Monte-Carlo simulation studies of the nonlinear imaging of a two dimensional surface wave field by a synthetic aperture radar

    Claus Brüning;Werner Alpers;Klaus Hasselmann

  • Investigation of multifrequency/multipolarization radar signatures of rain cells over the ocean using SIR‐C/X‐SAR data

    Christian Melsheimer;Werner Alpers;Martin Gade

Frequent Co-Authors

Heinrich Hühnerfuss
Heinrich Hühnerfuss Universität Hamburg
Angelo Rubino
Angelo Rubino Ca Foscari University of Venice
Klaus Hasselmann
Klaus Hasselmann Max Planck Society
I-I Lin
I-I Lin National Taiwan University
William J. Plant
William J. Plant University of Washington
Peter Brandt
Peter Brandt GEOMAR Helmholtz Centre for Ocean Research Kiel
Benjamin Holt
Benjamin Holt California Institute of Technology
Jens Schröter
Jens Schröter Alfred Wegener Institute for Polar and Marine Research
Bertrand Chapron
Bertrand Chapron French Research Institute for Exploitation of the Sea
Johnny A. Johannessen
Johnny A. Johannessen Naval Postgraduate School

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