What is the main cause of rainfall from December to March?
Ans: The western areas receive rain in winter from western depression. These depressions are low air pressure system developed on Mediterranean passes through Turkey, Iran and Afghanistan and enter Pakistan causes rain in Pakistan from December to March.
What are the effects of less rainfall on agriculture?
If it is too wet or too dry, nutrients in the soil can run off and not make it to the plants’ roots, leading to poor growth and overall health. Additionally, as mentioned previously, overwatering or too much rain can also lead to bacteria, fungus, and mold growth in the soil.
How does rainfall affect agriculture?
Precipitation, especially rain, has a dramatic effect on agriculture. While a regular rain pattern is usually vital to healthy plants, too much or too little rainfall can be harmful, even devastating to crops. Drought can kill crops and increase erosion, while overly wet weather can cause harmful fungus growth.
Why is rainfall in Pakistan not effective for agriculture?
Agriculture production in Pakistan is highly dependent upon precipitation, which either fall in the form of rain or snow. It has been observed effective rainfall is directly proportional to consumptive use, water storage capacity and irrigation application. Renfro equation is not suitable for short term planning.
Why does Pakistan receive Convectional rainfall?
Convectional currents Hot air rises during summer and when it reaches the high layer of atmosphere, condensation takes place causing rainfall. Strong winds accompanying the storms may pick up dust with them Only northern and north western areas of Pakistan receive rainfall from Convectional currents.
Can you explain why Pakistan receives only a small amount of rainfall from the summer monsoon?
The rain bearing air currents generated over the Indian Ocean hit the land mass of South India, the Malabar Hills and Madhya Pradesh before they reach Pakistan. The intensity of the monsoons is considerably reduced when it reaches Pakistan.
What is the effect of very little rainfall on food production?
Results suggest that rainfall variability reduces food security in developing countries. Indeed, it reduces food availability per capita and increases the percentage of total undernourished population.
What is the effect of very little rainfall on the food production?
Which form of precipitation is important for agriculture and why?
Normal rainfall is essential for adequate agricultural output. In a large country like India, it is essential to maintain the food prices. Food inflation may destabilize the entire nation.
What are the five factors that influence rainfall?
1. Distance from equator 2. Distance from sea 3. Height above sea level 4. Ocean currents 5. Mountains
- Distance from equator.
- Distance from sea.
- Height above sea level.
- Ocean currents.
Which city rains most in Pakistan?
The highest rainfall of 620 millimetres (24 in) was recorded in Islamabad in 24 hours on 23 July 2001.
What are the effects of a monsoon?
During summer monsoons, heavy rainfall can cause flooding. Powerful floodwaters can drown victims and damage buildings, leaving people without homes and vulnerable to the elements. During the 2014 summer monsoon in Pakistan and India, nearly 300 people lost their lives during landslides and home collapses.
What happens when there is too much rainfall?
Heavy rainfall can lead to numerous hazards, for example: flooding, including risk to human life, damage to buildings and infrastructure, and loss of crops and livestock. landslides, which can threaten human life, disrupt transport and communications, and cause damage to buildings and infrastructure.
When an area does not get enough rain How can it affect an economy?
Economic Impacts Farmers may lose money if a drought destroys their crops. If a farmer’s water supply is too low, the farmer may have to spend more money on irrigation or to drill new wells. Ranchers may have to spend more money on feed and water for their animals.
What happens when there is too much or little rainfall?
What to do if there is too little rain water? If there is too much rain, the soil will be full of water and there will not be enough air. Excess water must be removed. The removal of excess water – either from the ground surface or from the root zone – is called drainage (see Volume 1, Chapter 6).
What is the most dangerous type of precipitation?
Often the most dangerous type of winter precipitation is freezing rain. Freezing rain occurs when snowflakes fall into a warm layer of air causing them to melt into rain droplets.
What are 4 types of precipitation?
The most common types of precipitation are rain, hail, and snow.