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D-Index & Metrics

Discipline name D-Index World Ranking National Ranking Publications Citations
Environmental Sciences 56 3622 1381 231 12478

Klaus Willeke publications per year

The chart shows the history of publications by Klaus Willeke between 1969 and 2013, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Klaus Willeke published across 45 years, from 1969 to 2013, averaging 5.5 papers a year. Output peaked at 18 publications in 2001. 2 of the 248 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1969 to 2013. Vertical axis: number of publications, 0 to 18. Peak 18 publications in 2001. 1969: 1 publication 1970: 3 publications 1971: 1 publication 1972: 0 publications 1973: 1 publication 1974: 3 publications 1975: 5 publications 1976: 5 publications 1977: 1 publication 1978: 3 publications 1979: 1 publication 1980: 4 publications 1981: 2 publications 1982: 2 publications 1983: 2 publications 1984: 2 publications 1985: 0 publications 1986: 4 publications 1987: 9 publications 1988: 6 publications 1989: 2 publications 1990: 10 publications 1991: 7 publications 1992: 12 publications 1993: 10 publications 1994: 15 publications 1995: 10 publications 1996: 10 publications 1997: 11 publications 1998: 14 publications 1999: 16 publications 2000: 16 publications 2001: 18 publications 2002: 15 publications 2003: 2 publications 2004: 3 publications 2005: 4 publications 2006: 1 publication 2007: 1 publication 2008: 0 publications 2009: 1 publication 2010: 0 publications 2011: 13 publications 2012: 0 publications 2013: 2 publications
1969 2013

248 publications in total across all disciplines

View publications per year as a table
Klaus Willeke: publications per year, 1969 to 2013
Year Publications
1969 1
1970 3
1971 1
1972 0
1973 1
1974 3
1975 5
1976 5
1977 1
1978 3
1979 1
1980 4
1981 2
1982 2
1983 2
1984 2
1985 0
1986 4
1987 9
1988 6
1989 2
1990 10
1991 7
1992 12
1993 10
1994 15
1995 10
1996 10
1997 11
1998 14
1999 16
2000 16
2001 18
2002 15
2003 2
2004 3
2005 4
2006 1
2007 1
2008 0
2009 1
2010 0
2011 13
2012 0
2013 2
Total 248
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Klaus Willeke 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 Klaus Willeke 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, 231–240 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: 231 publications — 73rd percentile

73% 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
211–220 282
221–230 263
231–240 220 231
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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Klaus Willeke 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 Klaus Willeke 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, 56 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: 56 D-Index — 63rd percentile

63% 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 56
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

Klaus Willeke is affiliated with the University of Cincinnati in the United States. Their academic profile does not currently include specific recent papers, frequent co-authors, or detailed publication venues, which limits direct insights into their recent research output or collaborative networks.

No listed information regarding book publications is available, so it is not possible to summarize contributions in this area. Likewise, there are no detailed records of main fields or subfields of study, which prevents outlining the precise scientific disciplines in which they specialize.

No main topics of work have been specified, thus no particular research themes or subject matter can be identified from the current data. Additionally, there are no awards recorded for Klaus Willeke, indicating either no awards have been received or they have not been documented here.

Based on available information, Klaus Willeke maintains an active status in their career, with no indications to the contrary.

Best Publications

  • Aerosol measurement : principles, techniques, and applications

    Klaus Willeke;Paul A. Baron

  • Fungal Fragments as Indoor Air Biocontaminants

    Rafał L. Górny;Tiina Reponen;Klaus Willeke;Detlef Schmechel

  • Aerosol measurement : principles, techniques, and applications

    Paul A Baron;Klaus Willeke

  • Performance of N95 Respirators: Filtration Efficiency for Airborne Microbial and Inert Particles

    Yinge Qian;Klaus Willeke;Sergey A. Grinshpun;Jean Donnelly

  • Improved Aerosol Collection by Combined Impaction and Centrifugal Motion

    Klaus willeke;Xuejun Lin;Sergey A. Grinshpun

  • Effect of impact stress on microbial recovery on an agar surface.

    S L Stewart;S A Grinshpun;K Willeke;S Terzieva

  • Atmospheric Aerosols: Size Distribution Interpretation

    Klaus willeke;Kenneth T.whitby

  • Comparison of methods for detection and enumeration of airborne microorganisms collected by liquid impingement.

    S Terzieva;J Donnelly;V Ulevicius;S A Grinshpun

  • Effect of sampling time and air humidity on the bioefficiency of filter samplers for bioaerosol collection

    Zheng Wang;Tiina Reponen;Sergey A. Grinshpun;Rafał L. Górny

  • Effect of relative humidity on the aerodynamic diameter and respiratory deposition of fungal spores

    Tiina Reponen;Klaus Willeke;Vidmantas Ulevicius;Auvo Reponen

  • Aerosol penetration and leakae characteristics of masks used in the health care industry

    Angela Weber;Klaus Willeke;Ron Marchloni;Toshihiko Myojo

  • Performance of bioaerosol samplers: collection characteristics and sampler design considerations

    Aino Nevalainen;Jozef Pastuszka;Frank Liebhaber;Klaus Willeke

  • Survival of Airborne Microorganisms During Swirling Aerosol Collection

    Xuejun Lin;Tiina Reponen;Klaus Willeke;Zheng Wang

  • Evaluation of ionic air purifiers for reducing aerosol exposure in confined indoor spaces

    Sergey A. Grinshpun;G. Mainelis;M. Trunov;Atin Adhikari

  • IMPACTOR DESIGN

    Unknown

  • Effect of Impaction, Bounce and Reaerosolization on the Collection Efficiency of Impingers

    Sergey A. Grinshpun;Klaus Willeke;Vidmantas Ulevicius;Arvydas Juozaitis

  • Effect of Sampling Time on the Collection Efficiency of All-Glass Impingers

    Xuejun Lin;Klaus Willeke;Vidmantas Ulevicius;Sergey A. Grinshpun

  • Impaction onto a Glass Slide or Agar versus Impingement into a Liquid for the Collection and Recovery of Airborne Microorganisms.

    Arvydas Juozaitis;Klaus Willeke;Sergey A. Grinshpun;Jean Donnelly

  • Long-term sampling of airborne bacteria and fungi into a non- evaporating liquid

    Xuejun Lin;Tiina A. Reponen;Klaus Willeke;Sergey A. Grinshpun

  • Aerosol penetration through surgical masks.

    Chih-Chieh Chen;Klaus Willeke

  • Source strength of fungal spore aerosolization from moldy building material

    Rafał L. Górny;Tiina Reponen;Sergey A. Grinshpun;Klaus Willeke

Frequent Co-Authors

Sergey A. Grinshpun
Sergey A. Grinshpun University of Cincinnati
Tiina Reponen
Tiina Reponen University of Cincinnati
Atin Adhikari
Atin Adhikari Georgia Southern University
Aino Nevalainen
Aino Nevalainen Finnish Institute for Health and Welfare
Pratim Biswas
Pratim Biswas University of Miami
George D. Leikauf
George D. Leikauf University of Pittsburgh
Joseph A. Caruso
Joseph A. Caruso Wayne State University
Bruce J. Aronow
Bruce J. Aronow Cincinnati Children's Hospital Medical Center
David Y.H. Pui
David Y.H. Pui University of Minnesota

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Related Online Degrees & Career Pathways

For those interested in studying Environmental Sciences in the USA, exploring related online degrees can broaden career opportunities. For instance, a sociology bachelor degree online offers insights into human behavior and societal impacts on the environment, complementing environmental science studies.

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For educators looking to elevate their qualifications, transitioning from an eds to edd program offers a structured progression that enhances leadership and administrative skills relevant to environmental education roles.

Additionally, professionals aiming to influence social policies linked to the environment may consider pursuing online dsw programs, which combine social work expertise with doctoral-level training to tackle complex societal and environmental challenges.

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