International Day June 21

World Hydrography Day

Why it matters

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CELEBRATE HYDROGRAPHY

On June 21, we recognize the vital contributions of hydrography to our environment and navigation systems, showcasing its global significance.

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━━━━ FAST FACTS ━━━━
WHEN
June 21
ORIGIN
Established in 2005 by the International Hydrographic Organization
STAT
Over 70% of the Earth's surface is covered by water
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More than 80% of global trade is conducted via maritime routes
VIBE
A day to reflect on our relationship with water
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THE STORY

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World Hydrography Day, celebrated annually on June 21, emphasizes the crucial role that hydrography plays in understanding and managing our water resources. Initiated by the International Hydrographic Organization (IHO) in 2005, this observance aims to raise awareness about the significance of hydrographic data in navigation, environmental protection, and maritime activities. It serves as a reminder of how hydrography contributes to safe and efficient maritime operations.

Hydrography is not just about mapping the depths of oceans and rivers; it encompasses the study of water bodies and their characteristics, including currents, tides, and underwater topography. This knowledge is essential for safe navigation, as it helps mariners avoid hazards and ensures the efficient transport of goods. The information gathered by hydrographers aids in the preservation of marine environments and supports sustainable practices worldwide.

On this day, various events are organized globally, including educational workshops, community clean-ups, and public discussions on the importance of water conservation. Schools often participate by integrating hydrographic studies into their curricula, fostering a sense of responsibility among young people regarding water resources. Engaging the community in these activities not only raises awareness but also promotes collective action toward preserving our waterways.

As we celebrate World Hydrography Day, let us recognize the dedicated professionals who work tirelessly to gather and disseminate vital hydrographic data. Their efforts contribute to safer seas, sustainable practices, and a deeper understanding of our planet’s water resources. It is a call to action for individuals and communities to appreciate and protect our precious waterways, ensuring they remain a source of life and beauty for generations to come.

Water is the driving force of all nature.

— LEONARDO DA VINCI
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WORTH KNOWING

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Explore Your Local Waterways

Visit a nearby lake, river, or ocean to appreciate its beauty and importance.

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Learn About Hydrography

Read books or articles that explain hydrographic practices and their significance.

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Support Conservation Efforts

Get involved with organizations focused on protecting aquatic environments.

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Join Community Events

Participate in local clean-up days or educational workshops on water management.

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AROUND THE WORLD

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United States

Home to vast rivers and lakes, the U.S. celebrates its waterways on this day.

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Canada

With its abundant freshwater resources, Canada plays a key role in hydrographic studies.

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United Kingdom

The UK emphasizes the importance of its coastal waters and navigation safety.

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Australia

Australia’s unique marine environments are highlighted during World Hydrography Day.

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France

France promotes hydrography through its extensive maritime activities and research.

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Brazil

Home to the Amazon River, Brazil’s waterways are vital for biodiversity and research.

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DID YOU KNOW?!

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TRIVIA

Hydrography Defined
Hydrography is the science of measuring and describing the physical features of water bodies.

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Global Trade
Over 90% of the world’s trade is transported by sea.

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IHO Membership
The International Hydrographic Organization has 100 member states.

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Water Coverage
Approximately 97% of the Earth’s water is saltwater.

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Maritime Hazards
Hydrographic surveys help identify hazards like reefs and wrecks.

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Ocean Currents
Understanding ocean currents is essential for navigation and climate science.

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Shallow Water Mapping
Shallow waters are often the most difficult to map accurately.

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READ MORE

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SCIENCE

Hydrography: A Practical Guide

By John Smith

A comprehensive guide to understanding hydrographic principles and practices.

ENVIRONMENT

Water: The Essence of Life

By Jane Doe

Explores the importance of water in ecosystems and human life.

HISTORY

The Sea and Civilization

By Lincoln Paine

A historical overview of how oceans have shaped human history.

NAVIGATION

Charting the Oceans

By Michael Smith

An in-depth look at maritime navigation and the role of hydrography.

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PAIR IT WITH

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WATER CONSERVATION

Learn ways to conserve water in your daily life.

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NAVIGATION SAFETY

Understand the importance of accurate maps for safe navigation.

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ENVIRONMENTAL PROTECTION

Discover how hydrography aids in protecting ecosystems.

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DATA IMPORTANCE

Hydrographic data is crucial for climate change research.

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Spread the Word

Share your thoughts on World Hydrography Day and help raise awareness about the importance of our waterways.

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