Search Results - "HEILMAN, WARREN E."

Contribution of large-scale circulation anomalies to changes in extreme precipitation frequency in the United States by Yu, Lejiang, Zhong, Shiyuan, Pei, Lisi, Bian, Xindi, Heilman, Warren E

“…The mean global climate has warmed as a result of the increasing emission of greenhouse gases induced by human activities. This warming is considered the main…”
Get full text

First observations of turbulence generated by grass fires by Clements, Craig B., Zhong, Shiyuan, Bian, Xindi, Heilman, Warren E., Byun, Daewon W.

“…Wildland fires radically modify the atmospheric boundary layer by inducing strong fire‐atmosphere interactions. These interactions lead to intense turbulence…”
Get full text

Smoke Emissions and Buoyant Plumes above Prescribed Burns in the Pinelands National Reserve, New Jersey by Clark, Kenneth L., Gallagher, Michael R., Skowronski, Nicholas, Heilman, Warren E., Charney, Joseph, Patterson, Matthew, Cole, Jason, Mueller, Eric, Hadden, Rory

“…Prescribed burning is a cost-effective method for reducing hazardous fuels in pine- and oak-dominated forests, but smoke emissions contribute to atmospheric…”
Get full text

Turbulent Momentum Flux Behavior above a Fire Front in an Open-Canopied Forest by Heilman, Warren E., Clark, Kenneth L., Bian, Xindi, Charney, Joseph J., Zhong, Shiyuan, Skowronski, Nicholas S., Gallagher, Michael R., Patterson, Matthew

“…Atmospheric turbulent circulations in the vicinity of wildland fire fronts play an important role in the transfer of momentum into and out of combustion zones,…”
Get full text

Role of Horizontal Eddy Diffusivity within the Canopy on Fire Spread by Bebieva, Yana, Oliveto, Julia, Quaife, Bryan, Skowronski, Nicholas S., Heilman, Warren E., Speer, Kevin

“…Wind profile observations are used to estimate turbulent mixing in the atmospheric boundary layer from 1 m up to 300 m height in two locations of pine forests…”
Get full text

Sensitivity of Low-Level Jets to Land-Use and Land-Cover Change over the Continental U.S by Nikolic, Jovanka, Zhong, Shiyuan, Pei, Lisi, Bian, Xindi, Heilman, Warren E., Charney, Joseph J.

“…Lower-tropospheric wind maxima, known as low-level jets (LLJs), play a vital role in weather and climate around the world. In this study, two 10-year…”
Get full text

Assessing Forest Canopy Impacts on Smoke Concentrations Using a Coupled Numerical Model by Charney, Joseph J., Kiefer, Michael T., Zhong, Shiyuan, Heilman, Warren E., Nikolic, Jovanka, Bian, Xindi, Hom, John L., Clark, Kenneth L., Skowronski, Nicholas S., Gallagher, Michael R., Patterson, Matthew, Liu, Yongqiang, Hawley, Christie

“…The impact of a forest canopy on smoke concentration is assessed by applying a numerical weather prediction model coupled with a Lagrangian particle dispersion…”
Get full text

Smoke consequences of new wildfire regimes driven by climate change by McKenzie, Donald, Shankar, Uma, Keane, Robert E., Stavros, E. Natasha, Heilman, Warren E., Fox, Douglas G., Riebau, Allen C.

“…Smoke from wildfires has adverse biological and social consequences, and various lines of evidence suggest that smoke from wildfires in the future may be more…”
Get full text

Socio-demographic and health vulnerability in prescribed-burn exposed versus unexposed counties near the National Forest System by Kondo, Michelle C., Reid, Colleen E., Mockrin, Miranda H., Heilman, Warren E., Long, David

“…Prescribed fire is an increasingly important tool in restoring ecological conditions and reducing uncontrolled wildfire. Prescribed burn techniques could…”
Get full text

Temporal and Spatial Variability of Wind Resources in the United States as Derived from the Climate Forecast System Reanalysis by Yu, Lejiang, Zhong, Shiyuan, Bian, Xindi, Heilman, Warren E.

“…This study examines the spatial and temporal variability of wind speed at 80 m above ground (the average hub height of most modern wind turbines) in the…”
Get full text

Synoptic weather patterns for large wildfires in the northwestern United States—a climatological analysis using three classification methods by Zhong, Shiyuan, Yu, Lejiang, Heilman, Warren E., Bian, Xindi, Fromm, Hannah

“…Wildfire regimes respond to atmospheric variability on multiple time scales from interannual variations of drought to daily fluctuations of humidity and wind…”
Get full text

Observations of Turbulent Heat and Momentum Fluxes during Wildland Fires in Forested Environments by Heilman, Warren E., Bian, Xindi, Clark, Kenneth L., Zhong, Shiyuan

“…Turbulent fluxes of heat and momentum in the vicinity of wildland fires contribute to the redistribution of heat and momentum in the fire environment, which in…”
Get full text

Climatology and trend of wind power resources in China and its surrounding regions: a revisit using Climate Forecast System Reanalysis data by Yu, Lejiang, Zhong, Shiyuan, Bian, Xindi, Heilman, Warren E.

“…ABSTRACT The mean climatology, seasonal and interannual variability and trend of wind speeds at the hub height (80 m) of modern wind turbines over China and…”
Get full text

A comparison of the effects of El Niño and El Niño Modoki on subdaily extreme precipitation occurrences across the contiguous United States by Yu, Lejiang, Zhong, Shiyuan, Heilman, Warren E., Bian, Xindi

“…Intense precipitation over a short duration is a major cause of flash floods. Using hourly rainfall data from the North America Land Data Assimilation System…”
Get full text

The interannual variability of wind energy resources across China and its relationship to large‐scale circulation changes by Yu, Lejiang, Zhong, Shiyuan, Bian, Xindi, Heilman, Warren E.

“…This study investigates the interannual variability of wind energy resources across China and how it changes with season by applying empirical orthogonal…”
Get full text

Trends in seasonal warm anomalies across the contiguous United States: Contributions from natural climate variability by Yu, Lejiang, Zhong, Shiyuan, Heilman, Warren E., Bian, Xindi

“…Many studies have shown the importance of anthropogenic greenhouse gas emissions in contributing to observed upward trends in the occurrences of temperature…”
Get full text

Observations of Sweep–Ejection Dynamics for Heat and Momentum Fluxes during Wildland Fires in Forested and Grassland Environments by Heilman, Warren E., Banerjee, Tirtha, Clements, Craig B., Clark, Kenneth L., Zhong, Shiyuan, Bian, Xindi

“…The vertical turbulent transfer of heat and momentum in the lower atmospheric boundary layer is accomplished through intermittent sweep, ejection, outward…”
Get full text

Investigating Fire–Atmosphere Interaction in a Forest Canopy Using Wavelets by Desai, Ajinkya, Guilloteau, Clément, Heilman, Warren E., Charney, Joseph J., Skowronski, Nicholas S., Clark, Kenneth L., Gallagher, Michael R., Foufoula-Georgiou, Efi, Banerjee, Tirtha

“…Wildland fire–atmosphere interaction generates complex turbulence patterns, organized across multiple scales, which inform fire-spread behaviour, firebrand…”
Get full text

WRF Model Sensitivity to Land Surface Model and Cumulus Parameterization under Short-Term Climate Extremes over the Southern Great Plains of the United States by Pei, Lisi, Moore, Nathan, Zhong, Shiyuan, Luo, Lifeng, Hyndman, David W., Heilman, Warren E., Gao, Zhiqiu

“…Extreme weather and climate events, especially short-term excessive drought and wet periods over agricultural areas, have received increased attention. The…”
Get full text

The Potential Impact of Regional Climate Change on Fire Weather in the United States by Tang, Ying, Zhong, Shiyuan, Luo, Lifeng, Bian, Xindi, Heilman, Warren E., Winkler, Julie

“…Climate change is expected to alter the frequency and severity of atmospheric conditions conducive for wildfires. In this study, we assess potential changes in…”
Get full text