Atmospheric pressure as earth cooled accumulated water from eruptions, seepage in oceans

 

Plate tectonics altered land mass and oceans over past 500 million years

 

Last of 4 Glacial Ages Ended 15000 BC, Facilitated Crops, Settled Societies

 

Early Mesopotamian Civilizations Applied Irrigation, Built Cities

 

 

Shaduf, Waterwheels, Underground Canals to Move and Preserve Water

 

Early Dams on Nile, Plumbing on Indus, Irrigation in China

 

From 1500 BC Phonician Cites First Mediterranean Trading Network

 

Roman Empire Used Seas for Trade and Control, Built Aqueducts and Giant Baths

 

Medieval Water in Asian Rice Terraces, European Rotational Farming, Mills

 

Seas for Viking Expansion, Hanseatic Trade, Rivers for Europe Trade Routes

 

Cheng Ho Treasure Fleets in 1400's as China Then Turns in and Europe Discovery Awakens

 

Prince Henry Used Navigation Advances to Spur Portugal Seafaring, Find Route to Asia

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Spain Sails West to Americas, England, French, Dutch Colonies in India, Americas

 

Steam Engine Introduces Revolutionary New Water Use for Pump and Power

 

Steam Applied to Transportation on Water and Rail, Canals Built

 

River Based Americas Fur Trade, Windmills for Water in Midwest and Plains

 

Water for U.S. Industrialization, Hydropower, Urban Growth in Late 1800's

 

Gold Rush Ship Arrivals, Hydraulic Mining, Colorado Exploration, Water Potential for West

 

1905-1923 California Irrigation and Water Supplies to Make Land Fertile and Habitable

1900-1913 Panama Canal and Great White Fleet Increased US Seapower

 

1933-1950's Great Dams and Water Projects for Arid Southwest, Columbia River, TVA SE


Seaplanes for International Air Routes, US Ships for World War II

 

1956 Containerization Revolutionalized Shipping and World Ports

20th Century from Seashores for Recreation to Water for Power, Supertankers for Oil

 

Since Romans Population 2 million to 7 billion, Freshwater About Same <50,000 Cubic Miles

 

Nostalgic Loss of Water Use in 5000 Years of Civilization

 

Water Ecosystem Challenges from Civilization for Future of Planet