Regional dust storm modeling for health services: The case of valley fever

William A Sprigg, Slobodan Nickovic, John N Galgiani, Goran Pejanovic, Slavko Petkovic, Mirjam Vujadinovic, Ana Vukovic, Milan Dacic, Scott DiBiase, Anup Prasad, Hesham El-Askary

Research output: Contribution to journalArticle

32 Citations (Scopus)

Abstract

On 5 July 2011, a massive dust storm struck Phoenix, Arizona (USA), raising concerns for increased cases of valley fever (coccidioidomycosis, or, cocci). A quasi-operational experimental airborne dust forecast system predicted the event and provides model output for continuing analysis in collaboration with public health and air quality communities. An objective of this collaboration was to see if a signal in cases of valley fever in the region could be detected and traced to the storm - an American haboob. To better understand the atmospheric life cycle of cocci spores, the DREAM dust model (also herein, NMME-DREAM) was modified to simulate spore emission, transport and deposition. Inexact knowledge of where cocci-causing fungus grows, the low resolution of cocci surveillance and an overall active period for significant dust events complicate analysis of the effect of the 5 July 2011 storm. In the larger context of monthly to annual disease surveillance, valley fever statistics, when compared against PM10 observation networks and modeled airborne dust concentrations, may reveal a likely cause and effect. Details provided by models and satellites fill time and space voids in conventional approaches to air quality and disease surveillance, leading to land-atmosphere modeling and remote sensing that clearly mark a path to advance valley fever epidemiology, surveillance and risk avoidance.

Original languageEnglish (US)
Pages (from-to)53-73
Number of pages21
JournalAeolian Research
Volume14
DOIs
StatePublished - 2014

Fingerprint

dust storm
health services
dust
valley
modeling
spore
air quality
epidemiology
void
public health
fill
life cycle
fungus
remote sensing
surveillance
atmosphere
analysis
effect

Keywords

  • Airborne dust
  • Disease surveillance
  • Dust storm
  • Forecasts
  • Haboob
  • Valley fever

ASJC Scopus subject areas

  • Earth-Surface Processes
  • Geology

Cite this

Regional dust storm modeling for health services : The case of valley fever. / Sprigg, William A; Nickovic, Slobodan; Galgiani, John N; Pejanovic, Goran; Petkovic, Slavko; Vujadinovic, Mirjam; Vukovic, Ana; Dacic, Milan; DiBiase, Scott; Prasad, Anup; El-Askary, Hesham.

In: Aeolian Research, Vol. 14, 2014, p. 53-73.

Research output: Contribution to journalArticle

Sprigg, WA, Nickovic, S, Galgiani, JN, Pejanovic, G, Petkovic, S, Vujadinovic, M, Vukovic, A, Dacic, M, DiBiase, S, Prasad, A & El-Askary, H 2014, 'Regional dust storm modeling for health services: The case of valley fever', Aeolian Research, vol. 14, pp. 53-73. https://doi.org/10.1016/j.aeolia.2014.03.001
Sprigg, William A ; Nickovic, Slobodan ; Galgiani, John N ; Pejanovic, Goran ; Petkovic, Slavko ; Vujadinovic, Mirjam ; Vukovic, Ana ; Dacic, Milan ; DiBiase, Scott ; Prasad, Anup ; El-Askary, Hesham. / Regional dust storm modeling for health services : The case of valley fever. In: Aeolian Research. 2014 ; Vol. 14. pp. 53-73.
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