Flood old

Floods are natural disasters that occur when an area experiences an overflow of water onto normally dry land. These events can result from various causes and have significant impacts on communities, the environment, and infrastructure. Here are key aspects of floods:

Causes of Floods:

1. Heavy Rainfall: - Prolonged and intense rainfall can lead to the saturation of soil, exceeding its capacity to absorb water. This runoff contributes to surface water accumulation and potential flooding.

2. Storm Surges: - Coastal areas can experience flooding due to storm surges, which are abnormal rises in sea level generated by storms, especially tropical cyclones.

3. Snowmelt: - Spring thaw or sudden warming can cause the melting of snow, leading to increased water runoff and the potential for river or urban flooding.

4. Flash Floods: - Flash floods result from intense rainfall over a short period, often in mountainous or urban areas. They can lead to rapid and unexpected rises in water levels.

5. River Flooding: - Overflow of rivers and streams due to excessive rainfall or the melting of snow in upstream areas can lead to river flooding.

6. Dam or Levee Failures: - Failure of dams or levees can release large volumes of water, causing downstream flooding.

Impacts of Floods:

1. Infrastructure Damage: - Floodwaters can damage roads, bridges, buildings, and other infrastructure, disrupting transportation and utilities.

2. Loss of Lives and Property: - Floods pose a significant risk to human life and property. Rapidly rising water levels can lead to evacuations and, in severe cases, loss of life.

3. Economic Impact: - Flooding can have long-term economic consequences, affecting agriculture, businesses, and communities. Recovery efforts can be costly.

4. Environmental Consequences: - Floods can alter ecosystems, impact wildlife, and introduce pollutants into water bodies, affecting the environment.

5. Public Health Risks: - Contaminated floodwaters can pose health risks, including the spread of waterborne diseases.

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Flood Data Analysis

The Flood dataset encompasses occurrences of wildfires across the USA spanning from 2000 to 2023. The dataset includes information on the total count of deaths and the number of individuals affected, providing quantitative insights.

https://docs.google.com/spreadsheets/d/1_GXHAFDA7VcR7iRxVi1zb5-8179KzMq1/edit?usp=drive_link&ouid=102720697735200195659&rtpof=true&sd=true

Sample data

Disaster Type	Disaster Subype	Location	Total Deaths	Total Affected
Flood	Riverine Flood	Kentucky, Ohio provinces	3	231
Flood	Flash Flood	Franklin, Jefferson districts (Missouri province)	2	2000
Flood	Flood (General)	Liberty district (Texas province)	0	240

Data Visualization

Bar chart showing total number of deaths and affected for different hydrological disasters:

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Reference

1. https://climatedata.imf.org/