There are many methods of estimating evapotranspiration. Some of these are briefly described in the following: 1. Soil Moisture Sampling: A large number of samples are taken from various depths in the roots zone and the soil moisture depletion studies are made. 2. Tanks and Lysimeter Experiments: Keeping an account of water added and soil […]
How to Estimate Evapotranspiration? | Geography
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Aerial Photography: Uses, Mosaic and Its Treatment | Geography
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In this article we will discuss about:- 1. Introduction to Aerial Photography 2. Features of Aerial Photography 3. Photo-Interpretation—it’s Planning and Execution 4. Stereoscopic Photography 5. Mosaic 6. Photo-Interpretation 7. Analytical Treatment in Aerial Photography 8. Relief Displacement 9. Specifications. Introduction to Aerial Photography: Aerial photography consists of taking photographs at regular time intervals from […]
How to Calculate the Specific Yield of an Aquifer? | Groundwater
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While porosity is a measure of the water-bearing capacity of the formation, all this water cannot be drained by gravity or by pumping from wells, as a portion of the water is held in the void spaces by molecular and surface tension forces. The volume of water, expressed as a percentage of the total volume […]