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D-Index & Metrics

Discipline name D-Index World Ranking National Ranking Publications Citations
Environmental Sciences 37 8913 3197 67 5215

Bob J. Presley publications per year

The chart shows the history of publications by Bob J. Presley between 1967 and 2013, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Bob J. Presley published across 47 years, from 1967 to 2013, averaging 1.5 papers a year. Output peaked at 7 publications in 1990. 1 of the 69 publications appeared in the last two years.

No. of publications
2 4 6
Bar chart. Horizontal axis: year, 1967 to 2013. Vertical axis: number of publications, 0 to 7. Peak 7 publications in 1990. 1967: 3 publications 1968: 2 publications 1969: 0 publications 1970: 0 publications 1971: 0 publications 1972: 2 publications 1973: 0 publications 1974: 1 publication 1975: 1 publication 1976: 5 publications 1977: 2 publications 1978: 1 publication 1979: 0 publications 1980: 1 publication 1981: 1 publication 1982: 1 publication 1983: 0 publications 1984: 1 publication 1985: 0 publications 1986: 1 publication 1987: 1 publication 1988: 0 publications 1989: 0 publications 1990: 7 publications 1991: 0 publications 1992: 3 publications 1993: 3 publications 1994: 3 publications 1995: 4 publications 1996: 4 publications 1997: 4 publications 1998: 1 publication 1999: 3 publications 2000: 2 publications 2001: 3 publications 2002: 2 publications 2003: 2 publications 2004: 1 publication 2005: 1 publication 2006: 0 publications 2007: 0 publications 2008: 2 publications 2009: 0 publications 2010: 0 publications 2011: 0 publications 2012: 0 publications 2013: 1 publication
1967 2013

69 publications in total across all disciplines

View publications per year as a table
Bob J. Presley: publications per year, 1967 to 2013
Year Publications
1967 3
1968 2
1969 0
1970 0
1971 0
1972 2
1973 0
1974 1
1975 1
1976 5
1977 2
1978 1
1979 0
1980 1
1981 1
1982 1
1983 0
1984 1
1985 0
1986 1
1987 1
1988 0
1989 0
1990 7
1991 0
1992 3
1993 3
1994 3
1995 4
1996 4
1997 4
1998 1
1999 3
2000 2
2001 3
2002 2
2003 2
2004 1
2005 1
2006 0
2007 0
2008 2
2009 0
2010 0
2011 0
2012 0
2013 1
Total 69
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Bob J. Presley 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 Bob J. Presley 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, 61–70 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: 67 publications — 2nd percentile

2% 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 67
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
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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Bob J. Presley 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 Bob J. Presley 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, 37 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: 37 D-Index — 10th percentile

10% 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 37
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
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

What is he best known for?

The fields of study he is best known for:

  • Ecology
  • Carbon dioxide
  • Sediment

His primary areas of study are Sediment, Environmental chemistry, Diagenesis, Chemical composition and Seawater. Bob J. Presley has included themes like Trace element, Manganese, Water column, Particulates and Trace metal in his Sediment study. His work in Trace element tackles topics such as Inorganic chemistry which are related to areas like Zinc.

His Environmental chemistry study incorporates themes from Ecology, Pollutant, Mussel, Bay and Metal. He interconnects Estuary and Pollution in the investigation of issues within Bay. The Seawater study which covers Calcium that intersects with Mineralogy and Sulfate.

His most cited work include:

  • APDC-MIBK extraction system for the determination of trace elements in saline waters by atomic-absorption spectrophotometry. (264 citations)
  • Early diagenesis in a reducing fjord, Saanich Inlet, British Columbia—I. chemical and isotopic changes in major components of interstitial water (208 citations)
  • Historical contamination of PAHs, PCBs, DDTs, and heavy metals in Mississippi River Delta, Galveston Bay and Tampa Bay sediment cores (206 citations)

What are the main themes of his work throughout his whole career to date?

His primary areas of investigation include Environmental chemistry, Sediment, Trace metal, Oceanography and Bay. His Environmental chemistry research incorporates elements of Pollutant, Contamination, Mineralogy, Pollution and Cadmium. His Sediment study combines topics in areas such as Hydrology, Water pollution, Estuary and Trace element.

He interconnects Atomic absorption spectroscopy, Analytical chemistry, Particulates and Biota in the investigation of issues within Trace metal. In Oceanography, he works on issues like Barium, which are connected to Hydrocarbon exploration, Environmental change and Water quality. The Bay study combines topics in areas such as Soil contamination, Mercury, Benthic zone, Erosion and Heavy metals.

He most often published in these fields:

  • Environmental chemistry (39.44%)
  • Sediment (33.80%)
  • Trace metal (28.17%)

What were the highlights of his more recent work (between 1995-2013)?

  • Environmental chemistry (39.44%)
  • Sediment (33.80%)
  • Bay (22.54%)

In recent papers he was focusing on the following fields of study:

The scientist’s investigation covers issues in Environmental chemistry, Sediment, Bay, Trace metal and Oceanography. His Environmental chemistry study combines topics from a wide range of disciplines, such as Contamination, Trace element, Cadmium and Pollution. His Sediment research integrates issues from Oil well drilling and Biota.

His Bay research includes elements of Mercury, Estuary, Benthic zone and Erosion. His Estuary research is multidisciplinary, incorporating perspectives in Benthos and Carbonate. In his study, Pollutant is strongly linked to Water pollution, which falls under the umbrella field of Oceanography.

Between 1995 and 2013, his most popular works were:

  • Historical contamination of PAHs, PCBs, DDTs, and heavy metals in Mississippi River Delta, Galveston Bay and Tampa Bay sediment cores (206 citations)
  • Metal concentrations in mussel Crenomytilus grayanus and oyster Crassostrea gigas in relation to contamination of ambient sediments (112 citations)
  • Relationship of parasites and pathologies to contaminant body burden in sentinel bivalves: NOAA Status and Trends 'Mussel Watch' Program. (66 citations)

Best Publications

  • APDC-MIBK extraction system for the determination of trace elements in saline waters by atomic-absorption spectrophotometry.

    Robert R. Brooks;Bob J. Presley;Isaac R. Kaplan

  • Early diagenesis in a reducing fjord, Saanich Inlet, British Columbia—I. chemical and isotopic changes in major components of interstitial water

    Arie Nissenbaum;B.J Presley;I.R Kaplan

  • Historical contamination of PAHs, PCBs, DDTs, and heavy metals in Mississippi River Delta, Galveston Bay and Tampa Bay sediment cores

    P.H Santschi;B.J Presley;T.L Wade;B Garcia-Romero

  • Early diagenesis in a reducing fjord, Saanich Inlet, British Columbia—II. Trace element distribution in interstitial water and sediment

    B.J. Presley;Y. Kolodny;A. Nissenbaum;I.R. Kaplan

  • Sediment contaminants in Casco Bay, Maine: inventories, sources, and potential for biological impact.

    M. C. Kennicutt;T. L. Wade;B. J. Presley;A. G. Requejo

  • Heavy metal inputs to Mississippi Delta sediments

    B. J. Presley;J. H. Trefry;R. F. Shokes

  • Metal concentrations in mussel Crenomytilus grayanus and oyster Crassostrea gigas in relation to contamination of ambient sediments

    V.M. Shulkin;B.J. Presley;V.Ia. Kavun

  • Trace elements in the interstitial waters of marine sediments

    R.K. Brooks;B.J. Presley;I.R. Kaplan

  • Changes in dissolved sulfate, calcium and carbonate from interstitial water of near-shore sediments

    B.J. Presley;I.R. Kaplan

  • Anoxic, Hypersaline Basin in the Northern Gulf of Mexico

    Robert F. Shokes;Peter K. Trabant;Bob J. Presley;David F. Reid

  • Trace metal chemistry of Galveston Bay: water, sediments and biota

    John W. Morse;Bob J. Presley;Robert J. Taylor;Gaboury Benoit

  • Manganese fluxes from Mississippi Delta sediments

    John H. Trefry;Bob J. Presley

  • Heavy metals in sediments from San Antonio Bay and the northwest Gulf of Mexico

    John H. Trefry;Bob J. Presley

  • Human Contamination of the Marine Environment-Arthur Harbor and McMurdo Sound, Antarctica

    Mahlon C. Kennicutt;Susanne J. McDonald;Jose L. Sericano;Paul. Boothe

  • Manganese and related elements in the interstitial water of marine sediments.

    B. J. Presley;R. R. Brooks;I. R. Kaplan

  • Concentrations of arsenic, cadmium, copper, lead, mercury, and zinc in human placentas from two cities in Ukraine.

    Tamara D. Zadorozhnaja;Ruth E. Little;Richard K. Miller;Nikola A. Mendel

  • Relationship of parasites and pathologies to contaminant body burden in sentinel bivalves: NOAA Status and Trends 'Mussel Watch' Program.

    Yungkul Kim;Eric N. Powell;Terry L. Wade;Bobby J. Presley

  • Bioaccumulation of heavy metals in oyster (Crassostrea virginica) tissue and shell

    W. Huanxin;Z. Lejun;B. J. Presley

  • Distribution and Chemistry of Manganese, Iron, and Suspended Particulates in Orca Basin

    John H. Trefry;Bob J. Presley;Wendy L. Keeney-Kennicutt;Robert P. Trocine

  • Trace metals in gulf on Mexico oysters

    Bob J. Presley;Robert J. Taylor;Paul N. Boothe

Frequent Co-Authors

Terry L. Wade
Terry L. Wade Texas A&M University
Isaac R. Kaplan
Isaac R. Kaplan University of California, Los Angeles
James M. Brooks
James M. Brooks Texas A&M University
John W. Morse
John W. Morse Texas A&M University
John H. Trefry
John H. Trefry Florida Institute of Technology
Kay-Christian Emeis
Kay-Christian Emeis Helmholtz-Zentrum Geesthacht Centre for Materials and Coastal Research
Peter H. Santschi
Peter H. Santschi Texas A&M University
Mahlon C. Kennicutt
Mahlon C. Kennicutt Texas A&M University
Eric N. Powell
Eric N. Powell University of Southern Mississippi
Edward R. Long
Edward R. Long Washington Department of Ecology

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