World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
60
Citations
13229
World Ranking
2926
National Ranking
1151

John A. Knaff 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 John A. Knaff sits on this spectrum.

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 publications 690+

This scientist: 166 publications — 50th percentile

50% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 690 publications or more.

John A. Knaff 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 John A. Knaff sits on this spectrum.

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: 60 D-Index — 71st percentile

71% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 126 D-Index or more.

Overview

John A. Knaff is affiliated with the National Oceanic and Atmospheric Administration in the United States. Their research primarily lies within Earth and Planetary Sciences, with a substantial focus on Atmospheric Science and Oceanography. Their work encompasses 72 publications in these fields, reflecting a deep engagement with tropical and extratropical cyclone research and related environmental studies.

The scientist's main topics of study include:

  • Tropical and Extratropical Cyclones Research
  • Ocean Waves and Remote Sensing
  • Climate variability and models
  • Meteorological Phenomena and Simulations
  • Coastal and Marine Dynamics
  • Precipitation Measurement and Analysis
  • Flood Risk Assessment and Management

Frequent co-authors in their publications include Charles R. Sampson, Christopher J. Slocum, Alexis Mouche, Eric S. Blake, and Philip J. Klotzbach. These collaborations have contributed to advancing knowledge in tropical cyclone behavior and related atmospheric phenomena.

Knaff has published numerous papers in several key venues. The most frequent publication outlets are:

  • Weather and Forecasting
  • Bulletin of the American Meteorological Society
  • Tropical Cyclone Research and Review
  • Monthly Weather Review
  • Surveys in Geophysics

Among recent research papers authored by John A. Knaff are:

  • Estimating tropical cyclone surface winds: Current status, emerging technologies, historical evolution, and a look to the future (2021), Tropical Cyclone Research and Review
  • Extensive High-Resolution Synthetic Aperture Radar (SAR) Data Analysis of Tropical Cyclones: Comparisons with SFMR Flights and Best Track (2020), Monthly Weather Review
  • Satellite Remote Sensing of Surface Winds, Waves, and Currents: Where are we Now? (2023), Surveys in Geophysics
  • Does ERA5 Mark a New Era for Resolving the Tropical Cyclone Environment? (2022), Journal of Climate
  • A Simple Model for Predicting the Tropical Cyclone Radius of Maximum Wind from Outer Size (2022), Weather and Forecasting

Their scientific contributions reflect a broad engagement with the measurement, modeling, and analysis of tropical cyclones, as well as the interaction between atmospheric and oceanic processes. Their studies also address the application of emerging remote sensing technologies to better understand surface winds and wave dynamics.

Best Publications

  • Further improvements to the Statistical Hurricane Intensity Prediction Scheme (SHIPS)

    Mark DeMaria;Michelle Mainelli;Lynn K. Shay;John A. Knaff

  • Can We Detect Trends in Extreme Tropical Cyclones

    Christopher W. Landsea;Bruce A. Harper;Karl Hoarau;John A. Knaff

  • A Revised Tropical Cyclone Rapid Intensification Index for the Atlantic and Eastern North Pacific Basins

    John Kaplan;Mark DeMaria;John A. Knaff

  • Is Tropical Cyclone Intensity Guidance Improving

    Mark DeMaria;Charles R. Sampson;John A. Knaff;Kate D. Musgrave

  • Effects of Vertical Wind Shear and Storm Motion on Tropical Cyclone Rainfall Asymmetries Deduced from TRMM

    Shuyi S. Chen;John A. Knaff;Frank D. Marks

  • Atlantic Basin Hurricanes: Indices of Climatic Changes

    Christopher W. Landsea;Roger A. Pielke;Alberto M. Mestas-Nuñez;John A. Knaff

  • Evaluation of Advanced Microwave Sounding Unit Tropical-Cyclone Intensity and Size Estimation Algorithms

    Julie L. Demuth;Mark Demaria;John A. Knaff;Thomas H. Vonder Haar

  • A Tropical Cyclone Genesis Parameter for the Tropical Atlantic

    Mark DeMaria;John A. Knaff;Bernadette H. Connell

  • STATE OF THE CLIMATE IN 2017

    R. Abernethy;Steven A. Ackerman;R. Adler;Adelina Albanil Encarnación

  • Reexamination of Tropical Cyclone Wind–Pressure Relationships

    John A. Knaff;Raymond M. Zehr

  • State of the Climate in 2014

    Arlene P. Aaron-Morrison;Steven A. Ackerman;Nicolaus G. Adams;Robert F. Adler

  • An Objective Satellite-Based Tropical Cyclone Size Climatology

    John A. Knaff;Scott P. Longmore;Debra A. Molenar

  • How Much Skill Was There in Forecasting the Very Strong 1997–98 El Niño?

    Christopher W. Landsea;John A. Knaff

  • An Operational Statistical Typhoon Intensity Prediction Scheme for the Western North Pacific

    John A. Knaff;Charles R. Sampson;Mark DeMaria

  • State of the Climate in 2018

    M. Ades;R. Adler;Laura S. Aldeco;G. Alejandra

  • Evaluating Environmental Impacts on Tropical Cyclone Rapid Intensification Predictability Utilizing Statistical Models

    John Kaplan;Christopher M. Rozoff;Mark DeMaria;Charles R. Sampson

  • Estimating Hurricane Wind Structure in the Absence of Aircraft Reconnaissance

    James P. Kossin;John A. Knaff;Howard I. Berger;Derrick C. Herndon

  • Influence of the stratospheric QBO on ENSO variability

    William M. Gray;John D. Sheaffer;John A. Knaff

  • Statistical Tropical Cyclone Wind Radii Prediction Using Climatology and Persistence

    John A. Knaff;Charles R. Sampson;Mark Demaria;Timothy P. Marchok

  • Implications of Summertime Sea Level Pressure Anomalies in the Tropical Atlantic Region

    John A. Knaff

  • State of the Climate in 2016

    Arlene P. Aaron-Morrison;Steven A. Ackerman;Nicolaus G. Adams;Robert F. Adler

  • [Regional Climates] Central South America 2016

    J. A. Marengo;Jhan Carlo Espinoza;L. M. Alves;J. Ronchail

Frequent Co-Authors

Mark DeMaria
Mark DeMaria Colorado State University
Christopher W. Landsea
Christopher W. Landsea National Oceanic and Atmospheric Administration
Marco Tedesco
Marco Tedesco Lamont-Doherty Earth Observatory
Gustavo Goni
Gustavo Goni Atlantic Oceanographic and Meteorological Laboratory
Johannes W. Kaiser
Johannes W. Kaiser German Meteorological Service
I-I Lin
I-I Lin National Taiwan University
James P. Kossin
James P. Kossin University of Wisconsin–Madison
Roger A. Pielke
Roger A. Pielke University of Colorado Boulder
Carl A. Mears
Carl A. Mears Remote Sensing Systems (United States)
Tim R. McVicar
Tim R. McVicar Commonwealth Scientific and Industrial Research Organisation

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