Semester V
Introduction to Agro-meteorology
AGR 312 · 2 (1+1) credit hours
Syllabus
Topic-wise syllabus
Theory
12 topics · 16 lectures
| No. | Topic | Lectures |
|---|---|---|
| Unit I | ||
| 1 | Meaning and scope of agricultural meteorology; Earth atmosphere: its composition, extent and structure | 1 |
| 2 | Atmospheric weather variables; Atmospheric pressure, its variation with height | 1 |
| 3 | Wind, types of wind, daily and seasonal variation of wind speed, cyclone, anticyclone, land breeze and sea breeze | 1 |
| 4 | Nature and properties of solar radiation, solar constant, depletion of solar radiation, short wave, longwave and thermal radiation, net radiation, albedo | 2 |
| 5 | Atmospheric temperature, temperature inversion, lapse rate, daily and seasonal variations of temperature, vertical profile of temperature | 1 |
| Unit II | ||
| 6 | Application of Thermal time concept and Crop/Pest weather calendar; Energy balance of earth | 1 |
| 7 | Atmospheric humidity, concept of saturation, vapour pressure, process of condensation, formation of dew, fog, mist, frost, cloud | 1 |
| 8 | Precipitation, process of precipitation, types of precipitation such as rain, snow, sleet and hail. Cloud formation and classification; Artificial rainmaking | 2 |
| 9 | Monsoon - mechanism and importance in Indian agriculture | 1 |
| Unit III | ||
| 10 | Weather hazards - drought, floods, frost, tropical cyclones, extreme weather conditions such as heat-wave and cold-wave; Agriculture and weather relations; Modifications of crop microclimate, climatic normal for crop and livestock production | 2 |
| 11 | Weather forecasting - types of weather forecast and their uses | 1 |
| 12 | Climate change, climatic variability, global warming, causes of climate change and its impact on regional and national agriculture | 2 |
Practical
13 topics
| No. | Topic |
|---|---|
| 1 | Visit to agro meteorological observatory. Site selection of observatory and exposure of instruments and weather data recording |
| 2 | Measurement of total, short and long wave radiations and their estimation using Planck's intensity law. Measurement of albedo and sunshine duration, computation of radiation intensity using BSS |
| 3 | Measurement of maximum and minimum air temperatures, tabulation, trend and variation analysis |
| 4 | Measurement of soil temperature and computation of soil heat flux |
| 5 | Determination of vapor pressure and relative humidity |
| 6 | Determination of dew point temperature |
| 7 | Measurement of atmospheric pressure and analysis of atmospheric conditions |
| 8 | Measurement of wind speed and wind direction, preparation of wind rose |
| 9 | Measurement, tabulation and critical analysis of rainfall |
| 10 | Measurement of open pan evaporation and evapotranspiration. Computation of PET and AET |
| 11 | Use of synoptic charts, weather reports |
| 12 | Weather forecasting - types and methods |
| 13 | Crop weather calendar |
Study material
Notes
Hindi
Being added
English
Being added