World's Best Scientists 2026 revealed!
Jeffrey P. Walker

Jeffrey P. Walker

Award Badge
Environmental Sciences
Australia
2023

D-Index & Metrics

Environmental Sciences

D-Index
80
Citations
31087
World Ranking
947
National Ranking
42

Jeffrey P. Walker 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 Jeffrey P. Walker 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: 283 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: 25 scientists 501–510 publications: 17 scientists 511–520 publications: 18 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 681–686 publications: 3 scientists 687+ publications: 100 scientists
41 publications 687+

This scientist: 484 publications — 97th percentile

97% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 687 publications or more.

Jeffrey P. Walker 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 Jeffrey P. Walker 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: 199 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: 19 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: 99 scientists
30 D-Index 125+

This scientist: 80 D-Index — 90th percentile

90% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 125 D-Index or more.

Research.com Recognitions

  • 2023 - Research.com Environmental Sciences in Australia Leader Award

Overview

Jeffrey P. Walker is affiliated with Monash University in Australia. Their research primarily spans Environmental Science, Earth and Planetary Sciences, and Engineering, with specific concentration in Atmospheric Science, Environmental Engineering, Global and Planetary Change, Civil and Structural Engineering, and Aerospace Engineering.

The main topics of their work include Soil Moisture and Remote Sensing, Precipitation Measurement and Analysis, Climate Change and Permafrost, Cryospheric Studies and Observations, Soil and Unsaturated Flow, Synthetic Aperture Radar (SAR) Applications and Techniques, and Remote Sensing in Agriculture.

Recent publications by Jeffrey P. Walker cover a range of subjects related to soil moisture and remote sensing methods. These include:

  • The International Soil Moisture Network: serving Earth system science for over a decade (2021, Hydrology and Earth System Sciences)
  • A roadmap for high-resolution satellite soil moisture applications - confronting product characteristics with user requirements (2020, Remote Sensing of Environment)
  • Validation of Soil Moisture Data Products From the NASA SMAP Mission (2021, IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing)
  • Fusion of Sentinel-2 and PlanetScope time-series data into daily 3 m surface reflectance and wheat LAI monitoring (2020, International Journal of Applied Earth Observation and Geoinformation)
  • Sentinel-1 soil moisture at 1 km resolution: a validation study (2021, Remote Sensing of Environment)

Jeffrey P. Walker has frequently published in several key venues including Remote Sensing of Environment, IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, IEEE Transactions on Geoscience and Remote Sensing, Remote Sensing, and IEEE Geoscience and Remote Sensing Letters.

  • Remote Sensing of Environment
  • IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
  • IEEE Transactions on Geoscience and Remote Sensing
  • Remote Sensing
  • IEEE Geoscience and Remote Sensing Letters

Coauthorship has been an important aspect of Jeffrey P. Walker's research, with frequent collaborations including:

  • Nan Ye
  • Xiaoling Wu
  • Liujun Zhu
  • Thomas J. Jackson
  • Valentijn Pauwels

Best Publications

  • The Global Land Data Assimilation System

    Mathew Rodell;Paul Houser;U Jambor;J GottschalcK

  • The FLUXNET2015 dataset and the ONEFlux processing pipeline for eddy covariance data

    Gilberto Pastorello;Carlo Trotta;Eleonora Canfora;Housen Chu

  • A methodology for surface soil moisture and vegetation optical depth retrieval using the microwave polarization difference index

    M. Owe;R. de Jeu;J. Walker

  • Upscaling sparse ground‐based soil moisture observations for the validation of coarse‐resolution satellite soil moisture products

    Wade T. Crow;Aaron A. Berg;Michael H. Cosh;Alexander Loew

  • Validation of SMAP surface soil moisture products with core validation sites

    A. Colliander;T.J. Jackson;R. Bindlish;S. Chan

  • Assessment of the SMAP Passive Soil Moisture Product

    Steven K. Chan;Rajat Bindlish;Peggy E. O'Neill;Eni Njoku

  • Modelling the Passive Microwave Signature from Land Surfaces: A Review of Recent Results and Application to the L-Band SMOS SMAP Soil Moisture Retrieval Algorithms

    J.-P. Wigneron;T.J. Jackson;P. O'Neill;G. De Lannoy

  • Extended versus Ensemble Kalman Filtering for Land Data Assimilation

    Rolf H. Reichle;Jeffrey P. Walker;Randal D. Koster;Paul R. Houser

  • Downscaling SMOS-Derived Soil Moisture Using MODIS Visible/Infrared Data

    M. Piles;A. Camps;M. Vall-llossera;I. Corbella

  • Development and assessment of the SMAP enhanced passive soil moisture product

    S. K. Chan;R. Bindlish;P. O'Neill;T. Jackson

  • An evaluation of AMSR–E derived soil moisture over Australia

    Clara S. Draper;Clara S. Draper;Jeffrey P. Walker;Peter J. Steinle;Richard A.M. de Jeu

  • Quantifying the uncertainty in passive microwave snow water equivalent observations

    James L Foster;ChaoJiao Sun;ChaoJiao Sun;Jeffrey Walker;Richard J Kelly;Richard J Kelly

  • In situ measurement of soil moisture: a comparison of techniques

    Jeffrey P. Walker;Garry R. Willgoose;Jetse D. Kalma

  • The International Soil Moisture Network: Serving Earth system science for over a decade

    Wouter Dorigo;Irene Himmelbauer;Daniel Aberer;Lukas Schremmer

  • The Murrumbidgee soil moisture monitoring network data set

    A. B. Smith;A. B. Smith;J. P. Walker;A. W. Western;R. I. Young

  • A roadmap for high-resolution satellite soil moisture applications ─ confronting product characteristics with user requirements

    Jian Peng;Jian Peng;Jian Peng;Clement Albergel;Anna Balenzano;Luca Brocca

  • Assessment of the SMAP Level-4 surface and root-zone soil moisture product using in situ measurements

    Rolf H. Reichle;Gabrielle J. M. De Lannoy;Qing Liu;Joseph V. Ardizzone

  • ON THE EFFECT OF DIGITAL ELEVATION MODEL ACCURACY ON HYDROLOGY AND GEOMORPHOLOGY

    Jeffrey P. Walker;Garry R. Willgoose

  • Towards deterministic downscaling of SMOS soil moisture using MODIS derived soil evaporative efficiency

    Olivier Merlin;Jeffrey P. Walker;Abdelghani Chehbouni;Yann Kerr

  • The SMAP and Copernicus Sentinel 1A/B microwave active-passive high resolution surface soil moisture product

    Narendra N. Das;Dara Entekhabi;R. Scott Dunbar;Mario J. Chaubell

  • Disaggregation of SMOS Soil Moisture in Southeastern Australia

    O. Merlin;C. Rudiger;Ahmad Al Bitar;P. Richaume

  • A methodology for initializing soil moisture in a global climate model: Assimilation of near‐surface soil moisture observations

    Jeffrey P. Walker;Paul R. Houser

  • One-dimensional soil moisture profile retrieval by assimilation of near-surface observations: a comparison of retrieval algorithms

    Jeffrey P. Walker;Garry R. Willgoose;Jetse D. Kalma

Frequent Co-Authors

Valentijn R. N. Pauwels
Valentijn R. N. Pauwels Monash University
Thomas J. Jackson
Thomas J. Jackson Agricultural Research Service
Michael H. Cosh
Michael H. Cosh Agricultural Research Service
Olivier Merlin
Olivier Merlin Paul Sabatier University
Yann Kerr
Yann Kerr Federal University of Toulouse Midi-Pyrénées
Jetse D. Kalma
Jetse D. Kalma University of Newcastle Australia
Paul R. Houser
Paul R. Houser George Mason University
Aaron A. Berg
Aaron A. Berg University of Guelph
Andreas Colliander
Andreas Colliander California Institute of Technology
Todd G. Caldwell
Todd G. Caldwell United States Geological Survey

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