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1. Answer the given questions after reading the case study“An irrigation scheme draws water from groundwater, rivers, lakes or overland flow, and distributes it overan area. Hydrological, or direct, effects of doing this include reduction in downstream river flow,increased evaporation in the irrigated area, increased level in the water table as groundwater recharge inthe area is increased and flow increased in the irrigated area. Likewise, irrigation has immediate effects onthe provision of moisture to the atmosphere, inducing atmospheric instabilities and increasing downwindrainfall, or in other cases modifies the atmospheric circulation, delivering rain to different downwindareas. Increases or decreases in irrigation are a key area of concern in precipitation shed studies, thatexamine how significant modifications to the delivery of evaporation to the atmosphere can alter downwindrainfall."(2)a) List out any two potential disadvantages of over irrigation.rmation about the |
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Answer» Explanation: i) the excessive irrigation may lead to lodging of the CROP may fall on the ground under the effect of strong WINDS .ii) due to excess WATER the roots of the plant may not be ABLE to provide necessary and ANCHORAGE in the wet soilHI OUSHNIK , THIS IS SPANDAN. |
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