Drought Remote Sensing Monitoring for Huanghuaihai Plain Based on GIS

The monitoring　results in Huanghuaihai Plain showed that both the drought distribution and states from calculating are coincided with the objective situation in Huanghuaihai Plain. A method to monitor drought using crop water　stress index which is based on GIS technology combined with remote sensing data， graph　and meteorological data was presented.　The experiment results indicated the method can be used to monitor drought dynamically and timely　in plain.