Impacts of drought
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- Students will learn about the different effects of drought in more economically developed countries (MEDC's) and less economically developed countries (LEDC's). They will analyze the consequences of various drought effects and suggest ways to help solve drought problems. - Drought can have varying effects depending on location, from being a slight inconvenience in MEDCs to risking famine and disease in LEDCs. MEDCs may face issues like water restrictions and crop failures, while LEDCs could experience lack of water for crops, animals, and human consumption. - Students will describe global drought risk areas, particularly in Africa, and research solutions like water storage, projects, and sustainability in both MEDCs and LEDCs.
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3. Causes of drought include failure of monsoon rains, land and water temperatures, air circulation patterns, and an imbalance of water supply and demand.
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Drought is a period of below-average precipitation that results in water shortages. It can last for months or years and significantly impact ecosystems, agriculture, and local economies. Drought is caused by factors like low precipitation, dry seasons, climate change, and human activities like overfarming and deforestation. Some areas that are particularly prone to drought include Ethiopia, Eritrea, and Somalia in the Horn of Africa. Common consequences of drought are reduced crop yields, dust storms, famine, wildlife migration, and conflicts over scarce resources. Drought preparedness plans focus on prediction, monitoring, impact assessment, and response.
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Drought is an extended period of deficient water supply caused by significantly below average precipitation. It can impact ecosystems, agriculture, and local economies. Some plant species have adaptations like reduced leaves or waxy coatings to tolerate drought. Past droughts in India have led to major famines and tens of millions of deaths in the 18th-20th centuries. Indian agriculture depends heavily on the summer monsoon, and monsoon failures can result in water shortages and below average crop yields in drought-prone regions.
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Drought is a prolonged dry period that lacks precipitation and can occur worldwide, resulting in water shortage. It seriously impacts health, agriculture, economies, energy, and the environment. An estimated 55 million people are affected by droughts annually. Drought threatens livelihoods and increases disease and death risks, potentially displacing 700 million people by 2030 due to water scarcity. Drought can be meteorological, agricultural, hydrological, or socioeconomic based on precipitation deficits and their effects. Impacts include famine, economic damages, and environmental degradation. Drought is monitored and predicted using precipitation and moisture data to assess vulnerability and inform mitigation measures like afforestation and water conservation.
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Current warming of 1.1°C has caused widespread disruption to nature and humanity. Impacts include mass mortalities of trees and corals, hundreds of local extinctions, and millions facing food and water shortages. Beyond 2040, threats will be much higher without action as heat stress, biodiversity loss, health risks, and food insecurity increase. Vulnerability is highest in locations with poverty, limited resources, and climate-sensitive livelihoods. While adaptation can reduce risks, gaps between needed and implemented actions are growing, and limits to adaptation exist above 1.5°C of warming.
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The document outlines topics to be covered in an environmental science class, including discussions on biodiversity, endangered species, causes of species decline, air and water pollution, solid waste, and strategies for achieving environmental sustainability. Key topics are preserving biodiversity, human impacts like habitat loss and pollution, and principles for developing a sustainable society.
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9
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Impacts of drought
- 1. Learning Objectives Students will be able to: • Describe the different effects in MEDC’s and LEDC’s • Develop the effects to give consequences. • Suggest ways to help solve the problems caused by drought.
- 2. What effects can drought have? No effect at all It can be fatal It is a slight inconvenience It all depends on where you live!
- 3. MEDC X X X X A denial of luxury
- 4. MEDC Poor harvest Wild Fire Water Meters Stand Pipes
- 5. Task 1 Develop all these reasons to give the consequences. • Hosepipe ban • No car washes • No watering lawns • No topping up of swimming pools • No watering of golf courses • Poor harvests • Wild fires • Stand pipes • Introduction of water meters
- 6. LEDC Lack of reservoirs/storage/pipelines Crops fail and die Animals die Impact on livelihood of farmer
- 7. LEDC Cannot afford bottled water Cannot afford to import food Greater risk of hunger/famine Risk of disease from contaminated water
- 8. Remember droughts can happen anywhere though some places have a higher chance than others. Task 2 Describe the world distribution of risk from the map above
- 10. Equator Task 2 continued Ensure you have described the areas of high risk specifically in Africa
- 11. What can be done to overcome the problems of drought? Storage Tank Water Project Task 3 – Research Task Research different ways both MEDC’s / LEDC’s can overcome drought. Make notes on how it works and how sustainable it is.