Publications

• Inverse modeling of fire emissions constrained by smoke plume transport using HYSPLIT dispersion model and geostationary observations [PDF - 14.14 MB] Personal Author: Kim, Hyun Cheol ; Chai, Tianfeng ... 2020 | Atmos. Chem. Phys., 20, 10259–10277, 2020 Description: Smoke forecasts have been challenged by high uncertainty in fire emission estimates. We develop an inverse modeling system, the HYSPLIT-based Emission... File Type: [PDF - 14.14 MB] File Type: [PDF - 14.14 MB] Weak-constraint inverse modeling using HYSPLIT-4 Lagrangian dispersion model and Cross-Appalachian Tracer Experiment (CAPTEX) observations - effect of including model uncertainties on source term estimation [PDF - 573.45 KB] Personal Author: Chai, Tianfeng ; Stein, Ariel ... 2018 | Geoscientific Model Development, 11(12), 5135-5148. Description: A Hybrid Single-Particle Lagrangian Integrated Trajectory version 4 (HYSPLIT-4) inverse system that is based on variational data assimilation and a La... File Type: [PDF - 573.45 KB] File Type: [PDF - 573.45 KB] Evaluation and bias correction of probabilistic volcanic ash forecasts [PDF - 6.03 MB] Personal Author: Crawford, Alice ; Chai, Tianfeng ... 2022 | Atmos. Chem. Phys., 22(21), 13967–13996 Description: Satellite retrievals of column mass loading of volcanic ash are incorporated into the HYSPLIT transport and dispersion modeling system for source dete... File Type: [PDF - 6.03 MB] File Type: [PDF - 6.03 MB] Sensitivity of total column NO2 at a marine site within the Chesapeake Bay during OWLETS-2 [PDF - 9.78 MB] Personal Author: Kotsakis, Alexander ; Sullivan, John T. ... 2022 | Atmospheric Environment 277: 119063 Description: In coastal environments like the Chesapeake Bay, the presence of the sea/bay breeze circulation can contribute to poor air quality and makes modeling ... File Type: [PDF - 9.78 MB] File Type: [PDF - 9.78 MB] Ensemble PM2.5 Forecasting During the 2018 Camp Fire Event Using the HYSPLIT Transport and Dispersion Model [PDF - 11.53 MB] Personal Author: Li, Y. ; Tong, D. Q. ... 2020 | Journal of Geophysical Research: Atmospheres, 125(15) Description: Biomass burning releases a vast amount of aerosols into the atmosphere, often leading to severe air quality and health problems. Prediction of the air... File Type: [PDF - 11.53 MB] File Type: [PDF - 11.53 MB] Toward enhanced capability for detecting and predicting dust events in the western United States: the Arizona case study [PDF - 5.48 MB] Personal Author: Huang, M. ; Tong, D. ... 2015 | Atmospheric Chemistry and Physics, 15(21), 12595-12610. Description: Dust aerosols affect human life, ecosystems, atmospheric chemistry and climate in various aspects. Some studies have revealed intensified dust activit... File Type: [PDF - 5.48 MB] File Type: [PDF - 5.48 MB] Inverse modeling of fire emissions constrained by smoke plume transport using HYSPLIT dispersion model and geostationary satellite observations [PDF - 14.14 MB] Personal Author: Kim, Hyun Cheol ; Chai, Tianfeng ... 2020 | Atmos. Chem. Phys., 20, 10259–10277, 2020 Description: Smoke forecasts have been challenged by high uncertainty in fire emission estimates. We develop an inverse modeling system, the HYSPLIT-based Emission... File Type: [PDF - 14.14 MB] File Type: [PDF - 14.14 MB] Improving volcanic ash predictions with the HYSPLIT dispersion model by assimilating MODIS satellite retrievals [PDF - 1.82 MB] Personal Author: Chai, Tianfeng ; Crawford, Alice ... 2017 | Atmospheric Chemistry and Physics, 17, 2865–2879 Description: Currently, the National Oceanic and Atmospheric Administration (NOAA) National Weather Service (NWS) runs the HYSPLIT dispersion model with a unit mas... File Type: [PDF - 1.82 MB] File Type: [PDF - 1.82 MB] Initializing HYSPLIT with satellite observations of volcanic ash: A case study of the 2008 Kasatochi eruption [PDF - 3.04 MB] Personal Author: Crawford, Alice M. ; Stunder, Barbara J. B. ... 2016 | J. Geophys. Res. Atmos., 121(18), 10,786–10,803 Description: The current work focuses on improving volcanic ash forecasts by integrating satellite observations of ash into the Lagrangian transport and dispersion... File Type: [PDF - 3.04 MB] File Type: [PDF - 3.04 MB] Real-time environmental applications and display system (READY) : user's guide [PDF - 98.11 MB] Personal Author: Rolph, Glenn D. ; Draxler, Roland R. ... 1995 | NOAA technical memorandum ERL ARL ; 210 No Description File Type: [PDF - 98.11 MB] File Type: [PDF - 98.11 MB] HYSPLIT4 users's guide [PDF - 4.35 MB] Personal Author: Draxler, Roland R. 1999 | NOAA technical memorandum ERL ARL ; 230 No Description File Type: [PDF - 4.35 MB] File Type: [PDF - 4.35 MB] Description of the HYSPLIT4 modeling system [PDF - 303.49 KB] Personal Author: Draxler, Roland R. ; Hess, G.D. 1997 | NOAA technical memorandum ERL ARL ; 224 No Description File Type: [PDF - 303.49 KB] File Type: [PDF - 303.49 KB] CO2 exchange and evapotranspiration across dryland ecosystems of southwestern North America [PDF - 1.89 MB] Personal Author: Biederman, Joel A. ; Scott, Russell L. ... 2017 | Global Change Biology, 23(10), 4204-4221 Description: Global-scale studies suggest that dryland ecosystems dominate an increasing trend in the magnitude and interannual variability of the land CO2 sink. H... File Type: [PDF - 1.89 MB] File Type: [PDF - 1.89 MB] High‐resolution NO2 observations from the Airborne Compact Atmospheric Mapper: Retrieval and validation [PDF - 1.87 MB] Personal Author: Lamsal, L. N. ; Janz, S. J. ... 2017 | Journal of Geophysical Research: Atmospheres, 122(3), 1953-1970 Description: Nitrogen dioxide (NO2) is a short‐lived atmospheric pollutant that serves as an air quality indicator and is itself a health concern. The Airborne C... File Type: [PDF - 1.87 MB] File Type: [PDF - 1.87 MB] Spatially and chemically resolved source apportionment analysis: Case study of high particulate matter event [PDF - 4.73 MB] Personal Author: Kim, Byeong-Uk ; Bae, Changhan ... 2017 | Atmospheric Environment, 162, 55-70 Description: This article presents the results of a detailed source apportionment study of the high particulate matter (PM) event in the Seoul Metropolitan Area (S... File Type: [PDF - 4.73 MB] File Type: [PDF - 4.73 MB] Estimating Random Uncertainty in Airborne Flux Measurements over Alaskan Tundra: Update on the Flux Fragment Method [PDF - 1.80 MB] Personal Author: Dobosy, Ronald ; Sayres, David ... 2017 | Journal of Atmospheric and Oceanic Technology, 34(8), 1807-1822 Description: Airborne turbulence measurement gives a spatial distribution of air–surface fluxes that networks of fixed surface sites typically cannot capture. Mu... File Type: [PDF - 1.80 MB] File Type: [PDF - 1.80 MB] Evaluation of DeNitrification DeComposition model for estimating ammonia fluxes from chemical fertilizer application [PDF - 1.34 MB] Personal Author: Balasubramanian, Srinidhi ; Nelson, Andrew ... 2017 | Agricultural and Forest Meteorology, 237-238, 123-134 Description: DeNitrification DeComposition (DNDC) model predictions of NH3 fluxes following chemical fertilizer application were evaluated by comparison to relaxed... File Type: [PDF - 1.34 MB] File Type: [PDF - 1.34 MB] Evaluating ammonia (NH3) predictions in the NOAA National Air Quality Forecast Capability (NAQFC) using in-situ aircraft and satellite measurements from the CalNex2010 campaign [PDF - 1.92 MB] Personal Author: Bray, Casey D. ; Battye, William ... 2017 | Atmospheric Environment, 163, 65-76 Description: Atmospheric ammonia (NH3) is not only a major precursor gas for fine particulate matter (PM2.5), but it also negatively impacts the environment throug... File Type: [PDF - 1.92 MB] File Type: [PDF - 1.92 MB] Multi year aerosol characterization in the tropical Andes and in adjacent Amazonia using AERONET measurements [PDF - 8.41 MB] Personal Author: Pérez-Ramírez, Daniel ; Andrade-Flores, Marcos ... 2017 | Atmospheric Environment, 166, 412-432 Description: This work focuses on the analysis of columnar aerosol properties in the complex geophysical tropical region of South America within 10–20° South an... File Type: [PDF - 8.41 MB] File Type: [PDF - 8.41 MB] Season-long ammonia flux measurements above fertilized corn in central Illinois, USA, using relaxed eddy accumulation [PDF - 1.98 MB] Personal Author: Nelson, Andrew J. ; Koloutsou-Vakakis, Sotiria ... 2017 | Agricultural and Forest Meteorology, 239, 202-212 Description: The objective of this research is to quantify NH3 flux above an intensively managed cornfield in the Midwestern United States to improve understanding... File Type: [PDF - 1.98 MB] File Type: [PDF - 1.98 MB]