Drought Analysis Method Using Satellite Imagery

A drought analysis method using satellite imagery, wherein image information received from artificial satellites and ground observation data are provided to a satellite image storage and management server, wherein preprocessing and drought analysis algorithms are performed within the server to analyze drought conditions in the respective area;

• wherein MODIS satellite imagery is transmitted to a MODIS image processing server via a MODIS reception server, wherein the MODIS satellite imagery is directly received via X-band communication of a Direct Broadcast System (DBS), and wherein preprocessing at Level 0 (Raw Instrument Packets), Level 1A (Scans of raw radiances in counts), and Level 1B (Calibrated Radiances) is conducted before transmission to the satellite image storage and management server;
• wherein GPM satellite data (Integrated Multi-satellite Retrievals for GPM) other than MODIS satellite imagery and AWS data based on ground observations are transmitted to the satellite image storage and management server;
• wherein temperature and precipitation data are generated based on the transmitted GPM satellite data on the server;
• wherein Land Surface Temperature Mosaic (Mosaic LST) is created based on MODIS MOD11A2 satellite data transmitted to the server;
• wherein Normalized Difference Vegetation Index Mosaic (Mosaic NDVI) is created based on MODIS MOD13A2 satellite data transmitted to the server;
• wherein Temperature Condition Index (TCI), Vegetation Condition Index (VCI), and Precipitation Condition Index (PCI) are calculated using maximum and minimum values for each pixel over a certain period;
• wherein Drought Condition Index (SDCI) is calculated based on the aforementioned TCI, VCI, and PCI;
• and wherein the results of drought analysis are stored in the satellite image storage and management server.