2026 Jay M. Ham: Plant Science and Agronomy Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Environmental Sciences	43	7075	6799	2526	2350	111	7496
Plant Science and Agronomy	42	3452	3223	868	777	95	7060

Jay M. Ham publication distribution in Plant Science and Agronomy in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Plant Science and Agronomy in 2026. The highlighted bar marks where Jay M. Ham sits on this spectrum.

36 publications 467+

This scientist: 95 publications — 21st percentile

21% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 467 publications or more.

Jay M. Ham D-index placement in Plant Science and Agronomy in 2026

The chart shows the D-index (discipline H-index) distribution of Plant Science and Agronomy scientists ranked by Research.com in 2026. The highlighted bar marks where Jay M. Ham sits on this spectrum.

30 D-Index 109+

This scientist: 42 D-Index — 49th percentile

49% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 109 D-Index or more.

Overview

Jay M. Ham is affiliated with Colorado State University in the United States. Their research spans multiple disciplines, with a primary focus in the field of Medicine.

The scientist's work notably intersects several subfields of study including Surgery, Atmospheric Science, Automotive Engineering, Pulmonary and Respiratory Medicine, and Modeling and Simulation.

Their research covers a variety of main topics:

Atmospheric chemistry and aerosols
Vehicle emissions and performance
Infection Control and Ventilation
COVID-19 epidemiological studies
Viral Infections and Outbreaks Research
Shoulder Injury and Treatment
Orthopedic Surgery and Rehabilitation

Jay M. Ham has frequently published in several scientific venues:

Environmental Science & Technology
Agricultural and Forest Meteorology
Agricultural Water Management
Communications in Soil Science and Plant Analysis
bioRxiv (Cold Spring Harbor Laboratory)

Their recent papers include the following:

"Ammonia Dry Deposition in an Alpine Ecosystem Traced to Agricultural Emission Hotspots," 2021, Environmental Science & Technology
"Quantifying Proximity, Confinement, and Interventions in Disease Outbreaks: A Decision Support Framework for Air-Transported Pathogens," 2021, Environmental Science & Technology
"Organic Fertilizer Source and Application Method Impact Ammonia Volatilization," 2020, Communications in Soil Science and Plant Analysis
"Exploring new methods of estimating deposition using atmospheric concentration measurements: A modeling case study of ammonia downwind of a feedlot," 2020, Agricultural and Forest Meteorology
"A novel sap flow system to measure maize transpiration using a heat pulse method," 2024, Agricultural Water Management

They have collaborated frequently with a number of coauthors in their field, including:

Jeffrey R. Pierce
Jeffrey L. Collett
Tami C. Bond
Angela M. Bosco-Lauth
Delphine K. Farmer

Best Publications

Evaluation of MODIS NPP and GPP products across multiple biomes.

David P. Turner;William D. Ritts;Warren B. Cohen;Stith T. Gower

833
Citations
Biomass Production in a Tallgrass Prairie Ecosystem Exposed to Ambient and Elevated CO"2

Clenton E. Owensby;Patrick I. Coyne;Jay M. Ham;Lisa M. Auen

393
Citations
Optical Properties of Plastic Mulches Affect the Field Temperature Regime

Jay M. Ham;G.J. Kluitenberg;W.J. Lamont

380
Citations
Error Analysis of the Heat Pulse Method for Measuring Soil Volumetric Heat Capacity

G. J. Kluitenberg;J. M. Ham;K. L. Bristow

343
Citations
Biomass production and species composition change in a tallgrass prairie ecosystem after long‐term exposure to elevated atmospheric CO2

Clenton E. Owensby;Jay. M. Ham;Alan. K. Knapp;Lisa. M. Auen

328
Citations
Responses of Soil Respiration to Clipping and Grazing in a Tallgrass Prairie

Dale J. Bremer;Jay M. Ham;Clenton E. Owensby;Alan K. Knapp

284
Citations
Measuring Soil Water Content in the Laboratory and Field with Dual‐Probe Heat‐Capacity Sensors

Julie M. Tarara;Jay M. Ham

202
Citations
Fluxes of CO2, water vapor, and energy from a prairie ecosystem during the seasonal transition from carbon sink to carbon source

Jay M. Ham;Alan K. Knapp

194
Citations
Evapotranspiration in a Prairie Ecosystem: Effects of Grazing by Cattle

Dale J. Bremer;Lisa M. Auen;Jay M. Ham;Clenton E. Owensby

189
Citations
Determination of soil water evaporation and transpiration from energy balance and stem flow measurements

Jay M. Ham;J.L. Heilman;R.J. Lascano

175
Citations
Rapid, Vehicle-Based Identification of Location and Magnitude of Urban Natural Gas Pipeline Leaks.

Joseph C. von Fischer;Daniel Cooley;Sam Chamberlain;Adam Gaylord

174
Citations
Fluxes of CO2 and water vapor from a prairie ecosystem exposed to ambient and elevated atmospheric CO2*1

Jay M. Ham

155
Citations
Water vapour fluxes and their impact under elevated CO2 in a C4-tallgrass prairie

Clenton E. Owensby;Jay M. Ham;Alan K. Knapp;Dale Bremer

144
Citations
Fluxes of CO2 From Grazed and Ungrazed Tallgrass Prairie

Clenton E. Owensby;Jay M. Ham;Lisa M. Auen

141
Citations
Soil and Canopy Energy Balances of a Row Crop at Partial Cover

J. M. Ham;J. L. Heilman;R. J. Lascano

139
Citations
Modeling the effect of mulch optical properties and mulch-soil contact resistance on soil heating under plastic mulch culture

Jay M. Ham;G.J. Kluitenberg

136
Citations
Isotopic air sampling in a tallgrass prairie to partition net ecosystem CO2 exchange

Chun Ta Lai;Andrew J. Schauer;Clenton Owensby;Jay M. Ham

135
Citations
Experimental Test of Density and Energy‐Balance Corrections on Carbon Dioxide Flux as Measured Using Open‐Path Eddy Covariance

J. M. Ham;J. L. Heilman

121
Citations
Laboratory Evaluation of the Dual-Probe Heat-Pulse Method for Measuring Soil Water Content

J. M. Basinger;G. J. Kluitenberg;J. M. Ham;J. M. Frank

114
Citations
Effect of spring burning on the surface energy balance in a tallgrass prairie

Dale J Bremer;Jay M Ham

112
Citations
Measuring Soil Water Content under Turfgrass Using the Dual-probe Heat-pulse Technique

Y. Song;J.M. Ham;M.B. Kirkham;G.J. Kluitenberg

111
Citations