World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
40
Citations
7455
World Ranking
7992
National Ranking
2855

Daniel J. Isaak 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 Daniel J. Isaak 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: 102 publications — 14th percentile

14% of scientists in this discipline score the same or lower.

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

Daniel J. Isaak 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 Daniel J. Isaak 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: 40 D-Index — 19th percentile

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

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

Overview

Daniel J. Isaak is a researcher affiliated with the US Forest Service in the United States. Their primary field of study is Environmental Science, with a focus on Water Science and Technology, Nature and Landscape Conservation, and Ecology. They also have research contributions in Global and Planetary Change and Environmental Chemistry.

Their research addresses a range of topics including Hydrology and Watershed Management Studies, Fish Ecology and Management Studies, Hydrology and Sediment Transport Processes, Soil and Water Nutrient Dynamics, Species Distribution and Climate Change, Fire Effects on Ecosystems, and Identification and Quantification in Food.

Frequent publication venues for this researcher include:

  • JAWRA Journal of the American Water Resources Association
  • Transactions of the American Fisheries Society
  • River Research and Applications
  • arXiv (Cornell University)
  • Forest Ecology and Management

Some recent papers authored or co-authored by Daniel J. Isaak are:

  • Thermal Regimes of Perennial Rivers and Streams in the Western United States, 2020, JAWRA Journal of the American Water Resources Association
  • Elevation-dependent warming of streams in mountainous regions: implications for temperature modeling and headwater climate refugia, 2023, Canadian Water Resources Journal / Revue canadienne des ressources hydriques

Other relevant papers include works by frequent collaborators but not directly authored by Isaak, reflecting the broader research context they engage with:

  • Climate change and forest management on federal lands in the Pacific Northwest, USA: Managing for dynamic landscapes, 2021, Forest Ecology and Management
  • Riparian vegetation shade restoration and loss effects on recent and future stream temperatures, 2022, Restoration Ecology
  • A Molecular Taxonomy of Cottus in western North America, 2022, Western North American Naturalist

Frequent co-authors who have collaborated with Isaak include:

  • Erin E. Peterson
  • Jay M. Ver Hoef
  • Dona L. Horan
  • Peter Leinenbach
  • Naomi E. Detenbeck

Best Publications

  • Flow regime, temperature, and biotic interactions drive differential declines of trout species under climate change

    Seth J. Wenger;Daniel J. Isaak;Charles H. Luce;Helen M. Neville

  • Climate change effects on stream and river temperatures across the northwest U.S. from 1980–2009 and implications for salmonid fishes

    D. J. Isaak;S. Wollrab;D. Horan;G. Chandler

  • Effects of climate change and wildfire on stream temperatures and salmonid thermal habitat in a mountain river network

    Daniel J. Isaak;Charles H. Luce;Bruce E. Rieman;David E. Nagel

  • The NorWeST Summer Stream Temperature Model and Scenarios for the Western U.S.: A Crowd-Sourced Database and New Geospatial Tools Foster a User Community and Predict Broad Climate Warming of Rivers and Streams

    Daniel J. Isaak;Seth J. Wenger;Erin E. Peterson;Jay M. Ver Hoef

  • The cold‐water climate shield: delineating refugia for preserving salmonid fishes through the 21st century

    Daniel J. Isaak;Michael K. Young;David E. Nagel;Dona L. Horan

  • Anticipated Climate Warming Effects on Bull Trout Habitats and Populations Across the Interior Columbia River Basin

    Bruce E. Rieman;Daniel Isaak;Susan Adams;Dona Horan

  • Modelling dendritic ecological networks in space: an integrated network perspective

    Erin E. Peterson;Jay M. Ver Hoef;Dan J. Isaak;Jeffrey A. Falke

  • Slow climate velocities of mountain streams portend their role as refugia for cold-water biodiversity

    Daniel J. Isaak;Michael K. Young;Charles H. Luce;Steven W. Hostetler

  • Applications of spatial statistical network models to stream data

    Daniel J. Isaak;Erin E. Peterson;Jay M. Ver Hoef;Seth J. Wenger

  • Potential effects of climate change on streambed scour and risks to salmonid survival in snow-dominated mountain basins

    Jaime R. Goode;Jaime R. Goode;John M. Buffington;Daniele Tonina;Daniel J. Isaak

  • Stream isotherm shifts from climate change and implications for distributions of ectothermic organisms.

    Daniel J. Isaak;Bruce E. Rieman

  • Macroscale hydrologic modeling of ecologically relevant flow metrics

    Seth J. Wenger;Charles H. Luce;Alan F. Hamlet;Daniel J. Isaak

  • Sensitivity of summer stream temperatures to climate variability in the Pacific Northwest

    Charles Luce;Brian Staab;Marc Kramer;Seth Wenger

  • A hypothesis about factors that affect maximum summer stream temperatures across montane landscapes

    Daniel J. Isaak;Wayne A. Hubert

  • CHINOOK SALMON USE OF SPAWNING PATCHES: RELATIVE ROLES OF HABITAT QUALITY, SIZE, AND CONNECTIVITY

    Daniel J. Isaak;Russell F. Thurow;Bruce E. Rieman;Jason B. Dunham

  • Global Warming of Salmon and Trout Rivers in the Northwestern U.S.: Road to Ruin or Path Through Purgatory?

    Daniel J. Isaak;Charles H. Luce;Dona L. Horan;Gwynne L. Chandler

  • Fine-scale natal homing and localized movement as shaped by sex and spawning habitat in Chinook salmon: insights from spatial autocorrelation analysis of individual genotypes.

    Helen Neville;Helen Neville;Daniel Isaak;J.B. Dunham;J.B. Dunham;Russel Thurow

  • Network-scale spatial and temporal variation in Chinook salmon (Oncorhynchus tshawytscha) redd distributions: patterns inferred from spatially continuous replicate surveys

    Daniel J. Isaak;Russell F. Thurow

  • Probabilistic accounting of uncertainty in forecasts of species distributions under climate change

    Seth J. Wenger;Nicholas A. Som;Daniel C. Dauwalter;Daniel J. Isaak

  • Role of climate and invasive species in structuring trout distributions in the interior Columbia River Basin, USA

    Seth J. Wenger;Daniel J. Isaak;Jason B. Dunham;Kurt D. Fausch

  • Geomorphic controls on salmon nesting patterns described by a new, narrow‐beam terrestrial–aquatic lidar

    Jim A McKean;Dan J Isaak;Charles W Wright

Frequent Co-Authors

Charles H. Luce
Charles H. Luce US Forest Service
Seth J. Wenger
Seth J. Wenger University of Georgia
Jason B. Dunham
Jason B. Dunham United States Geological Survey
Bruce E. Rieman
Bruce E. Rieman US Forest Service
Michael K. Young
Michael K. Young US Forest Service
Daniele Tonina
Daniele Tonina University of Idaho
Steven W. Hostetler
Steven W. Hostetler United States Geological Survey
Wayne A. Hubert
Wayne A. Hubert University of Wyoming
Kurt D. Fausch
Kurt D. Fausch Colorado State University
Michael K. Schwartz
Michael K. Schwartz US Forest Service

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