Terra and Aqua: New data for epidemiology and public health

Andrew J. Tatem, Scott J. Goetz, Simon I. Hay

Research output: Contribution to journalArticlepeer-review

67 Scopus citations

Abstract

Earth-observing satellites have only recently been exploited for the measurement of environmental variables of relevance to epidemiology and public health. Such work has relied on sensors with spatial, spectral and geometric constraints that have allowed large-area questions associated with the epidemiology of vector-borne diseases to be addressed. Moving from pretty maps to pragmatic control tools requires a suite of satellite-derived environmental data of higher fidelity, spatial resolution, spectral depth and at similar temporal resolutions to existing meteorological satellites. Information derived from sensors onboard the next generation of moderate-resolution Earth-observing sensors may provide the key. The MODIS and ASTER sensors onboard the Terra and Aqua platforms provide substantial improvements in spatial resolution, number of spectral channels, choices of bandwidths, radiometric calibration and a much-enhanced set of pre-processed and freely available products. These sensors provide an important advance in moderate-resolution remote sensing and the data available to those concerned with improving public health.

Original languageEnglish (US)
Pages (from-to)33-46
Number of pages14
JournalInternational Journal of Applied Earth Observation and Geoinformation
Volume6
Issue number1
DOIs
StatePublished - Nov 2004
Externally publishedYes

Keywords

  • ASTER
  • Aqua
  • MODIS
  • Remote sensing
  • Terra
  • Vector-borne diseases

ASJC Scopus subject areas

  • Global and Planetary Change
  • Earth-Surface Processes
  • Computers in Earth Sciences
  • Management, Monitoring, Policy and Law

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