J. U. Hielkema

Rainfall and vegetation monitoring in the Savanna Zone of the Democratic Republic of Sudan using the NOAA Advanced Very High Resolution Radiometer

J. U. Hielkema, S. D. Prince, W. L. Astle · International Journal of Remote Sensing · 1986 · 129 citations

Earth Observation, Abstract Noaa-6, Engineering +27

The potential of satellite remote sensing of ecological conditions for survey and forecasting desert-locust activity

Compton J. Tucker, J. U. Hielkema, J. Roffey · International Journal of Remote Sensing · 1985 · 86 citations

Precision Agriculture, Environmental Monitoring, Engineering +25

Assessment of ecological conditions associated with the 1980/81 desert locust plague upsurge in West Africa using environmental satellite data

J. U. Hielkema, J. Roffey, Compton J. Tucker · International Journal of Remote Sensing · 1986 · 61 citations

Precision Agriculture, Engineering, Land Use +29

Operational use of environmental satellite remote sensing and satellite communications technology for global food security and locust control by FAO: The ARTEMIS and DIANA systems

J. U. Hielkema, F. L. SNIJDERS · Acta Astronautica · 1994 · 32 citations

Diana Systems, Precision Agriculture, Environmental Monitoring +10

Satellite environmental monitoring for migrant pest forecasting by FAO: the ARTEMIS system

J. U. Hielkema · Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 1990 · 19 citations