Context

Hydrography is a discipline of Physical Geography that deals, in general terms, with the study of the continental and oceanic waters of the planet. It encompasses the analysis of the characteristics, distribution, and movement of waters, as well as their interrelations with the environment. Rivers, lakes, oceans, seas, glaciers, aquifers, and all water present in the atmosphere are at the core of this investigation.

This important area of knowledge allows us to understand the distribution of freshwater reserves on the planet, the management of water resources, the influence of rivers and seas on the formation and evolution of landscapes, and the role of water in climate and ecosystems. In addition, Hydrography also studies the relationships between water and human activities, such as navigation, irrigation, energy production, and city water supply.

The study of the world's Hydrography is fundamental for understanding environmental issues, since water is a crucial element for the survival and development of all forms of life on Earth. Climate change, unsustainable use of water resources, water contamination by pollutants are some of the main challenges of the 21st century that require a solid and integrated understanding of Hydrography.

Hydrography plays a central role in territorial planning and management, in the prevention and mitigation of natural disasters, and in the promotion of sustainable development. The unequal distribution of freshwater reserves around the world, as well as the conflicts and tensions caused by water scarcity and pollution, are globally relevant topics. Therefore, understanding Hydrography contributes to the formation of conscious citizens prepared to deal with the complexities of the modern world.

To deepen your knowledge about the world's Hydrography, we recommend the following reliable sources in Portuguese:

• Brazilian Institute of Geography and Statistics (IBGE). Waters of Brazil
• Human Development Atlas in Brazil (UNDP). Thematic maps on water distribution in Brazil
• Ministry of the Environment (MMA). National Water Resources Plan (PNRH)
• National Water Agency (ANA). Water Resources Situation in Brazil

Practical Activity

Activity Title: "Exploring the World's Hydrography"

Project Objective

This activity aims to deepen students' understanding of the world's hydrography, the importance of water bodies and their distribution, and the economic and socio-environmental impacts linked to the exploitation of water resources. Students should also develop technical skills related to the use of digital technologies, cartographic languages, and socio-emotional skills such as time management, communication, and problem-solving.

Detailed Project Description

Students should work in groups of 3 to 5 members. The project consists of creating a collaborative interactive map about the world's hydrography, highlighting the main rivers, lakes, and oceans, as well as the hydrographic basins and the distribution of freshwater on the planet. In addition, students should research the socio-environmental and economic impacts related to the exploitation of these water resources.

Required Materials

• Internet access
• Computer or tablet
• Interactive mapping platform (suggestion: Google My Maps)
• Research material (books, reliable websites, etc)

Step-by-Step Guide for Activity Execution

1. Students should research the world's hydrography, focusing on the major rivers, lakes, and seas of the planet, the main hydrographic basins, and the distribution of freshwater.

2. Using the chosen platform for creating interactive maps, students should create a global map highlighting the points of interest found in the research.

3. For each location highlighted on the map, students should include a brief descriptive text about the importance of that water resource, possible conflicts and challenges related to it, and any socio-economic and environmental impacts of its exploitation.

4. Groups should take turns presenting the interactive map, explaining each element on the map and discussing the conclusions drawn from the research.

5. Finally, students should write the project report, divided into the following topics: Introduction, Development, Conclusions, and Bibliography used. The introduction should provide the context of the theme and the project's objective. The development should explain the theory behind hydrography, the methodology used, the activity carried out, and the results obtained. In Conclusions, students should summarize their main points and explain the learnings and conclusions drawn from the project. In the Bibliography, students should indicate the sources used for research and project development.

Project Deliverables

Groups should deliver the online interactive map and the project report, which should be connected and complement each other. The interactive map should have all points of interest from the research properly marked and described, demonstrating the students' understanding of the world's hydrography. The report should present the theoretical basis of the activity and the results, as well as highlight the skills acquired during the project development.