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Deciduous Tree

Option A - Freshwater – Drainage basins

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Magnifying Glass Tilted Left

Option B - Oceans & Coastal Margins

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ringed-planet

Option C - Extreme Environments

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Rocket

Option D - Geophysical Hazards

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Performing Arts

Option E - Leisure, Tourism & Sport

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Flexed Biceps

Option F - The Geography Of Food & Health

Option G - Urban Environments

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Office Building

Unit 1 - Changing Population

UNIT 2 - Global Climate - Vulnerability & Resilience

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Globe Showing Europe Africa

Unit 3 - Global Resource Consumption & Security

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Mobile Phone

Unit 4 - Power, Places & Networks

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Factory

Unit 5 - Human Development & Diversity

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Globe With Meridians

Unit 6 - Global Risks & Resilience

In the 80s &amp; 90s, flood forecasting and warning got more accurate, playing a critical role in mitigating flood problems. Thanks to advancements in weather satellites and radar tech.

Despite advancements, over 50% of unprotected homes in England and Wales only receive a flood warning less than 6 hours before the flood. That&#39;s like finding out you&#39;ve a history exam just before lunch when you&#39;ve been studying geography all morning!

Most LICs struggle with effective flood forecasting. Bangladesh bucks this trend. Why? Flooding there mostly originates from the Himalayas, giving authorities a warning time of about 72 hours.

Satellite imagery can help predict floods from monsoon rains. It&#39;s like having a bird&#39;s-eye view of a giant water balloon about to burst.

More people now have access to televisions, smartphones, and computers. It&#39;s a lot easier to spread warnings. But the poorest in society have the least access to this tech, often leaving them in the dark about potential floods.

The United Nations Environment Programme recommends several ways to improve flood warnings:

<ul>
	<li>Better Rainfall &amp; Snow-pack Estimates: Like improving the recipe for your favorite dish. The more precise, the better the result.</li>
	<li>Better River Gauging &amp; Meteorological Information: It&#39;s all about collecting and mapping info, kind of like a giant game of Clue, but for floods!</li>
	<li>More Current Population &amp; Infrastructure Info: Essential for building accurate flood risk assessment models. It&#39;s like knowing where all the pieces are on the chessboard before making your move.</li>
	<li>Better Info Sharing: Between forecasters, national agencies, relief organizations, and the general public. Sharing is caring after all!</li>
	<li>More Timely &amp; Complete Meteorological &amp; Hydrological Info Sharing: International cooperation can greatly improve flood predictions. It&#39;s like joining forces with other players in an online game to achieve a common goal.</li>
	<li>Technology Sharing: Sharing tech among all agencies involved in flood forecasting and risk assessment can improve results. After all, two (or more) heads are better than one!</li>
</ul>

Global climate change is adding a twist to flood forecasting. Some areas may see more frequent and higher floods, while rainfall patterns in other areas could become more erratic.

Thanks to the spread of information and communication technology (ICT), people can stay up-to-date with weather warnings. It&#39;s like getting instant notifications from your favorite social media app, but this time, they might save your life!

Advancements In Flood Forecasting A Historical Perspective

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Higher Level

Geography HL

Option A - Freshwater – Drainage basins

Advancements In Flood Forecasting A Historical Perspective

Table of content

Flashback to 1980s & 1990s - flood forecasting upgraded

Real world example

Flood forecasting in low-income countries (LICs)

Satellites & monsoons

Unlock the Full Content!

Option A - Freshwater – Drainage basins

Advancements In Flood Forecasting A Historical Perspective

Table of content

Flashback to 1980s & 1990s - flood forecasting upgraded

Real world example

Flood forecasting in low-income countries (LICs)

Satellites & monsoons

Unlock the Full Content!