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Nonprofit · San Diego · United States

Hydrologic Research Center

In research, Hydrologic Research Center stands highest in Environmental Science (#3,349 of 5,407 worldwide) and Physical Sciences (#13,994 of 17,446 worldwide), over all time. Relative to its size it is most specialised in Environmental Science (Environmental Science is 12.1× its share of world research).

hrc-lab.orgROR OpenAlex
World rank, all time
#28,703
of 34,923
Rank in United States
#6,038
of 7,310
Research works
351
▼ 16% vs 2018-21
Citations
10k
29.1 per fractional work
Top-10% rate
4.5%
all institutions 10.0%
vs its own fields
0.97×
1.00× is exactly expected
Open access
26%
world 40%
International
19%
world 18%
Hydrologic Research Center

What is Hydrologic Research Center known for in research?

The fields where it stands highest, over all time, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorks
Environmental ScienceField #3,349 of 5,407 9.4%181
Physical SciencesDomain #13,994 of 17,446 10.0%318

Each strip is that field's whole ranked pool, with the notch where Hydrologic Research Center sits in it, in the colour of the band that rank falls in. The track under the rate is the rate itself: it carries no average mark, because the average differs by field (from about 6% in Dentistry to 21% in Economics).

Which fields of science does Hydrologic Research Center work in?

In 2022-now, 88% of research at Hydrologic Research Center is in Physical Sciences, 8% in Social Sciences. Its largest fields are Environmental Science (60%), Earth and Planetary Sciences (18%), Engineering (6%). It does 2.0× the world's share of Physical Sciences.

Physical Sciences: 30 fractional works · 87.9% of its workEnvironmental Science: 21 fractional works · 59.9% of its workWater Science and Technology: 6 fractional works · 18.4% of its workGlobal and Planetary Change: 6 fractional works · 18.4% of its workEnvironmental Engineering: 3 fractional works · 7.5% of its workEcology: 1 fractional works · 3.2% of its workEnvironmental Chemistry: 1 fractional works · 3.2% of its workManagement, Monitoring, Policy and Law: 1 fractional works · 3.0% of its workPollution: 1 fractional works · 2.8% of its workHealth, Toxicology and Mutagenesis: 0 fractional works · 1.5% of its workNature and Landscape Conservation: 0 fractional works · 1.4% of its workSmaller subfields together: 0 fractional works · 0.4% of its workEarth and Planetary Sciences: 6 fractional works · 17.6% of its workAtmospheric Science: 4 fractional works · 11.0% of its workGeochemistry and Petrology: 1 fractional works · 2.9% of its workOceanography: 0 fractional works · 1.3% of its workGeophysics: 0 fractional works · 1.3% of its workEarth-Surface Processes: 0 fractional works · 0.7% of its workPaleontology: 0 fractional works · 0.3% of its workEngineering: 2 fractional works · 6.2% of its workCivil and Structural Engineering: 1 fractional works · 3.6% of its workOcean Engineering: 0 fractional works · 1.0% of its workSafety, Risk, Reliability and Quality: 0 fractional works · 0.4% of its workControl and Systems Engineering: 0 fractional works · 0.3% of its workMechanical Engineering: 0 fractional works · 0.3% of its workMechanics of Materials: 0 fractional works · 0.3% of its workBuilding and Construction: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.1% of its workMathematics: 0 fractional works · 1.3% of its workModeling and Simulation: 0 fractional works · 0.6% of its workMathematical Physics: 0 fractional works · 0.3% of its workNumerical Analysis: 0 fractional works · 0.3% of its workMaterials Science: 0 fractional works · 1.0% of its workMaterials Chemistry: 0 fractional works · 0.6% of its workMetals and Alloys: 0 fractional works · 0.3% of its workComputer Science: 0 fractional works · 0.7% of its workHardware and Architecture: 0 fractional works · 0.3% of its workArtificial Intelligence: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.2% of its workPhysics and Astronomy: 0 fractional works · 0.6% of its workAstronomy and Astrophysics: 0 fractional works · 0.3% of its workStatistical and Nonlinear Physics: 0 fractional works · 0.3% of its workChemistry: 0 fractional works · 0.5% of its workAnalytical Chemistry: 0 fractional works · 0.5% of its workEnergy: 0 fractional works · 0.2% of its workSocial Sciences: 3 fractional works · 7.9% of its workArts and Humanities: 1 fractional works · 2.9% of its workPhilosophy: 1 fractional works · 2.0% of its workReligious studies: 0 fractional works · 1.0% of its workSocial Sciences: 1 fractional works · 2.7% of its workLaw: 0 fractional works · 1.0% of its workDemography: 0 fractional works · 0.5% of its workTransportation: 0 fractional works · 0.5% of its workAnthropology: 0 fractional works · 0.3% of its workGeography, Planning and Development: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.2% of its workDecision Sciences: 1 fractional works · 2.1% of its workStatistics, Probability and Uncertainty: 0 fractional works · 1.0% of its workGeneral Decision Sciences: 0 fractional works · 0.5% of its workManagement Science and Operations Research: 0 fractional works · 0.5% of its workSmaller subfields together: 0 fractional works · 0.1% of its workPsychology: 0 fractional works · 0.1% of its workLife Sciences: 1 fractional works · 2.2% of its workAgricultural and Biological Sciences: 1 fractional works · 1.6% of its workPlant Science: 0 fractional works · 1.2% of its workSoil Science: 0 fractional works · 0.4% of its workBiochemistry, Genetics and Molecular Biology: 0 fractional works · 0.6% of its workGenetics: 0 fractional works · 0.4% of its workMolecular Biology: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.0% of its workHealth Sciences: 1 fractional works · 2.0% of its workMedicine: 1 fractional works · 1.5% of its workInfectious Diseases: 0 fractional works · 0.7% of its workDermatology: 0 fractional works · 0.5% of its workUrology: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.0% of its workHealth Professions: 0 fractional works · 0.5% of its workRadiological and Ultrasound Technology: 0 fractional works · 0.5% of its workALL ITS WORKHydrologicResearch Center34fractional works, 2022-now
Life Sciences2%Physical Sciences88%Health Sciences2%Social Sciences8%

Each ring splits the one inside it: the four domains of science, their fields, their subfields. Size is fractional works in 2022-now. Every slice is a page; the interactive view zooms down to single topics and colours each by how much more of it this institution does than the world.

Its 4 domains and 17 fields, with their numbers
    1. Environmental Science2159.9%
    2. Earth and Planetary Sciences617.6%
    3. Engineering26.2%
    4. Mathematics01.3%
    5. Materials Science01.0%
    6. Computer Science00.7%
    7. Physics and Astronomy00.6%
    8. Chemistry00.5%
    9. Energy00.2%
    1. Arts and Humanities12.9%
    2. Social Sciences12.7%
    3. Decision Sciences12.1%
    4. Psychology00.1%
    1. Agricultural and Biological Sciences11.6%
    2. Biochemistry, Genetics and Molecular Biology00.6%
    1. Medicine11.5%
    2. Health Professions00.5%
All of science, and how each field's share has moved since 1950: the Science domain explorer

What does Hydrologic Research Center specialise in?

Where its research is concentrated relative to its size: Environmental Science takes 12.1× the share of its output that it takes of world research.

  1. Environmental ScienceField · 20.5 works12×
← less than its size predicts1×more →

Location quotient, a volume reading rather than an impact one. It surfaces small, lopsided specialities.

Field profile

Location quotient across every field it publishes in: outside the ring is more than an institution of this size would be expected to publish, inside it is less.

Agricultural and Biological Sciences: 0.34× its world share, 1 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.11× its world share, 0 worksBiochemistry, Geneti…Chemistry: 0.31× its world share, 0 worksChemistryComputer Science: 0.09× its world share, 0 worksComputer ScienceEarth and Planetary Sciences: 11.20× its world share, 6 worksEarth and Planetary …Energy: 0.21× its world share, 0 worksEnergyEngineering: 0.41× its world share, 2 worksEngineeringEnvironmental Science: 12.05× its world share, 20 worksEnvironmental ScienceMaterials Science: 0.28× its world share, 0 worksMaterials ScienceMathematics: 1.10× its world share, 0 worksMathematicsPhysics and Astronomy: 0.29× its world share, 0 worksPhysics and AstronomyHealth Professions: 0.18× its world share, 0 worksHealth ProfessionsMedicine: 0.08× its world share, 0 worksMedicineArts and Humanities: 1.01× its world share, 1 worksArts and HumanitiesDecision Sciences: 2.16× its world share, 1 worksDecision SciencesPsychology: 0.05× its world share, 0 worksPsychologySocial Sciences: 0.22× its world share, 1 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Environmental Science, 12.1×. Every wedge is a field page.

All 17 fields, with their numbers
  1. Environmental Science12.05×20 works
  2. Earth and Planetary Sciences11.20×6 works
  3. Decision Sciences2.16×1 works
  4. Mathematics1.10×0 works
  5. Arts and Humanities1.01×1 works
  6. Engineering0.41×2 works
  7. Agricultural and Biological Sciences0.34×1 works
  8. Chemistry0.31×0 works
  9. Physics and Astronomy0.29×0 works
  10. Materials Science0.28×0 works
  11. Social Sciences0.22×1 works
  12. Energy0.21×0 works
  13. Health Professions0.18×0 works
  14. Biochemistry, Genetics and Molecular Biology0.11×0 works
  15. Computer Science0.09×0 works
  16. Medicine0.08×0 works
  17. Psychology0.05×0 works

Who are the top researchers at Hydrologic Research Center?

Ranked on the quality score, T. M. Carpenter, Konstantine P. Georgakakos and C. E. Ramser lead among researchers whose main affiliation is Hydrologic Research Center.

  1. 1 T. M. Carpenter United States · #1,911,304 worldwide 1.1k citations · 34 works
  2. 2 Konstantine P. Georgakakos United States · #2,235,642 worldwide 7.1k citations · 213 works
  3. 3 C. E. Ramser United States · #3,615,684 worldwide 37 citations · 16 works
  4. 4 Daniel P. Sheer United States · #4,113,626 worldwide 455 citations · 49 works
  5. 5 Eylon Shamir United States · #5,310,155 worldwide 1.4k citations · 77 works
  6. 6 R. G. Willey United States · #5,473,325 worldwide 54 citations · 25 works
  7. 7 D. Michael Gee United States · #5,564,354 worldwide 251 citations · 31 works
  8. 8 David T. Ford United States · #5,740,352 worldwide 365 citations · 40 works
All ranked researchers at Hydrologic Research Center

What are the most cited papers from Hydrologic Research Center?

The most cited paper from Hydrologic Research Center is "Continental-scale temperature variability during the past two millennia" (Moinuddin Ahmed et al., 2013), with 1,245 citations. Next come "Persistent Positive North Atlantic Oscillation Mode Dominated the Medieval Climate Anomaly" (1,126) and "High-resolution palaeoclimatology of the last millennium: a review of current status and future prospects" (703).

Most cited papers
#PaperReleasedCitations
1 Continental-scale temperature variability during the past two millennia Moinuddin Ahmed et al. · Nature Geoscience Open access 19 Apr 2013 1,245
2 Persistent Positive North Atlantic Oscillation Mode Dominated the Medieval Climate Anomaly Valerie M. Trouet, Jan Esper, Nicholas E. Graham et al. · Science 2 Apr 2009 1,126
3 High-resolution palaeoclimatology of the last millennium: a review of current status and future prospects Philip Douglas Jones et al. · The Holocene Open access 2009 703
4 Estimating Evapotranspiration using Artificial Neural Network Manoranjan Kumar, N. S. Raghuwanshi, Rajendra Prasad Singh et al. · Journal of Irrigation and Drainage Engineering 28 Jul 2002 535
5 Transition probability-based indicator geostatistics Steven F. Carle, Graham E. Fogg · Mathematical Geology May 1996 495
All 60 most cited papers, with filters and sorting

Which keywords describe research at Hydrologic Research Center?

By fractional works in 2022-now, weighted toward what it does more of than the world: Climate Change, Hydrological Modeling, Remote Sensing, Sediment Transport, Water Resources, Global Warming, Model Evaluation and Water Quality.

▲ more of its work than of the world's◆ about the world's share▼ less than the world's

Size is fractional works in 2022-now in the topics tagged with each word; colour is the word's share of this institution's work against its share of the world's. The 40 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 40 words, with their numbers
  1. Climate Change12▲ 13×21 topics
  2. Hydrological Modeling6▲ 72×5 topics
  3. Remote Sensing6▲ 14×13 topics
  4. Sediment Transport4▲ 64×2 topics
  5. Water Resources3▲ 41×4 topics
  6. Global Warming3▲ 22×4 topics
  7. Model Evaluation3▲ 68×2 topics
  8. Global Hydrology3▲ 124×1 topic
  9. Uncertainty Assessment3▲ 124×1 topic
  10. Water Quality3▲ 21×6 topics
  11. Groundwater3▲ 88×4 topics
  12. Environmental Impact3▲ 4.7×7 topics
  13. Data Assimilation3▲ 46×4 topics
  14. Monitoring2▲ 73×2 topics
  15. Ocean Circulation2▲ 49×2 topics
  16. Hydrological Cycle2▲ 62×2 topics
  17. Extreme Events2▲ 65×2 topics
  18. Climate Modeling2▲ 76×1 topic
  19. Precipitation Extremes2▲ 76×1 topic
  20. Ensemble Kalman Filter2▲ 51×2 topics
  21. Precipitation2▲ 108×2 topics
  22. Convective Parameterization2▲ 86×1 topic
  23. Flood Risk2▲ 60×1 topic
  24. Mesoscale Modeling2▲ 86×1 topic
  25. Surface Water Mapping2▲ 63×1 topic
  26. Ecosystem Resilience2▲ 31×3 topics
  27. Hydrogeology2▲ 197×1 topic
  28. Reactive Transport2▲ 76×2 topics
  29. Remediation2▲ 58×2 topics
  30. Sediment Analysis2▲ 1728×1 topic
  31. Validation1▲ 43×2 topics
  32. Drought1▲ 34×3 topics
  33. Evapotranspiration1▲ 41×2 topics
  34. Groundwater Flow1▲ 132×1 topic
  35. Toxicity1▲ 7.6×4 topics
  36. Transport Modeling1▲ 132×1 topic
  37. Wetlands1▲ 95×2 topics
  38. Forest Fires1▲ 69×1 topic
  39. Sulfate-Reducing Bacteria1▲ 46×2 topics
  40. Wildfire Activity1▲ 69×1 topic

Which research topics does Hydrologic Research Center publish most on?

By volume in 2022-now: Hydrology and Watershed Management Studies, Climate variability and models, Meteorological Phenomena and Simulations and Flood Risk Assessment and Management.

Hydrology and Watershed Management Studies: 3 fractional worksClimate variability and models: 2 fractional worksMeteorological Phenomena…2Meteorological Phenomena and Simulations: 2 fractional worksFlood Risk Assessment an…2Flood Risk Assessment and Management: 2 fractional worksWater Quality and Resources Studies: 2 fractional worksGroundwater flow and contamination studies: 1 fractional worksFire effects on ecosystems1Fire effects on ecosystems: 1 fractional worksGroundwater and Isotope Geochemistry: 1 fractional worksMine drainage and remediation techniques: 1 fractional worksSoil and Unsaturated Flow: 1 fractional works
Water Science and TechnologyGlobal and Planetary ChangeAtmospheric ScienceEnvironmental Engineering3 others

Area is fractional works; colour is the subfield each topic belongs to.

  1. 1 Hydrology and Watershed Management Studies Water Science and Technology 3 works
  2. 2 Climate variability and models Global and Planetary Change 2 works
  3. 3 Meteorological Phenomena and Simulations Atmospheric Science 2 works
  4. 4 Flood Risk Assessment and Management Global and Planetary Change 2 works
  5. 5 Water Quality and Resources Studies Water Science and Technology 2 works
  6. 6 Groundwater flow and contamination studies Environmental Engineering 1 works
  7. 7 Fire effects on ecosystems Global and Planetary Change 1 works
  8. 8 Groundwater and Isotope Geochemistry Geochemistry and Petrology 1 works
  9. 9 Mine drainage and remediation techniques Environmental Chemistry 1 works
  10. 10 Soil and Unsaturated Flow Civil and Structural Engineering 1 works

How open and international is its research?

Against the world's own shares: the tick on each track. Both are shares of its output, so they sit on one scale and can be read against each other as well as against the world.

openly available25.5%not open74.5%

World: 40% of research is openly available.

with international co-authors19.3%domestic only80.7%

World: 18% is written across borders.

How has Hydrologic Research Center's research output changed?

Output in 2022-2025 was 16% lower than in 2018-2021.

still counting1990200020102020
grewheldshrank

The same series as a ribbon: one cell per year, darker for more. The line above answers how much; this answers when.

Its share of all research

Growing output can still be a shrinking share: all of science grows. This is Hydrologic Research Center as a percentage of every work published that year, 0.00014% in 2024.

still counting0.0010%0.0020%0.0030%Hydrologic Research Center0.00011% in 202519801990200020102020

Fractional works of Hydrologic Research Center over all fractional works that year. How the balance of science has shifted.

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Hydrologic Research Center on Science Explorer

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