Water resources are critical to the sustainability of life on Earth. With a growing population
and climate change, it is imperative to assess the security of these resources. Over the past …

This review surveys current and emerging drought monitoring approaches using satellite
remote sensing observations from climatological and ecosystem perspectives. We argue …

Droughts pose significant economic and ecological concerns, and considering climate
change projections, timely monitoring and early warning based on satellite observations …

The Normalized Difference Vegetation Index (NDVI) derived from the Advanced Very High
Resolution Radiometer (AVHRR) has been widely used to monitor moisture-related …

A five‐year (2001–2005) history of moderate resolution imaging spectroradiometer (MODIS)
normalized difference vegetation index (NDVI) and normalized difference water index …

A near-real time drought monitoring approach is developed using Terra–Moderate
Resolution Imaging Spectoradiometer (MODIS) Normalized Difference Vegetation Index …

The saturation of NDVI makes the annual maximum NDVI (NDVImax) underestimate
vegetation with high coverage. Time-Integrated NDVI (TI-NDVI) accumulates NDVIs of …

The development of new tools that provide timely, detailed-spatial-resolution drought
information is essential for improving drought preparedness and response. This paper …

Drought is one of the most expensive but least understood natural disasters. Remote
sensing based integrated drought indices have the potential to describe drought conditions …

Drought is one of the major environmental disasters in southern Africa. In recent years, the
damage from droughts to the environment and economies of some countries was extensive …