Agriculture & Horticulture Corner
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[ since Nov 17, 2015]
NADAMS
National Agricultural Drought Assessment
and Monitoring System (NADAMS), provides near real-time information on prevalence,
severity level and persistence of agricultural drought at state/ district/sub-district
level. It covers 14 states of India, which are predominantly agriculture based and
prone to drought situation. Agricultural conditions are monitored at state/district
level using daily NOAA AVHRR data for 9 states. AWiFS (Advanced Wide Field Sensor)
of Resourcesat (56 m resolution) is used for detailed assessment of agricultural
drought at district and sub district level in five states.
Agricultural drought assessment is carried out with multiple indices/data as indicated
below:
- Normalized Difference Vegetation Index (NDVI) derived from NOAA AVHRR data (1km x 1km)
- Normalized Difference Wetness Index (NDWI) derived from MODIS (250 m) data
- Shortwave Angle Slope Index (SASI) derived from MODIS (500m) data
- Soil Moisture Index (derived from soil water balance approach using daily PET & Rainfall values)
- District-level Weekly Rainfall data from IMD– Rainfall Deviation, Number of dry weeks
- Taluk/Mandal Level Monthly Rainfall data from State Agriculture Departments
- Crop sown area collected from various states
- District level Irrigations Statistics
- For NADAMS Drought reports, click here
- Click here to login and enter data.