Early Geographers 1
He made the first measurement of the size of Earth
Eratosthenes
His quantitative work on botanical geography laid the foundation for the field of biogeography
Alexander von Humboldt
He was an inventor, a diplomat, a politician and a scholar.
George Perkins Marsh
This movement stressed the use of empirical measurements, the testing of hypotheses, the development of mathematical models and the use of computer programs to explain geographic patterns
The Quantitative Revolution
This subject can be defined as the study of human activities on Earth’s surface
Human Geography
His second most well-known work is known as the Geography, a handbook on how to draw maps using geographical coordinates for parts of the Roman world known at the time
Ptolemy
They led the United States expedition to cross the newly acquired western portion of the country after the Louisiana Purchase
Lewis and Clark
He was a geographer from the University of California at Berkeley
Carl Sauer
This is the process of capturing images of the Earth’s surface from airborne platforms such as satellites or airplanes
Remote Sensing
This field is concerned with the spatial characteristics of Earth’s physical and biological systems
Physical Geography
He was the first European navigator to round the southern tip of Africa in 1488
Bartholomeu Dias
He is considered by some to be America's first environmentalist and by recognizing the irreversible impact of man's actions on the earth
George Perkins Marsh
He was considered the first modern environmentalist
George Perkins Marsh
This is an integrated network of satellites that orbit earth broadcasting location information to handheld receivers on Earth’s surface
Global Positioning System (GPS)
This subject has been divided into human geography, physical geography, environmental geography and geographical techniques
Geography/Modern Geography
He completed four voyages across the Atlantic Ocean, opening the way for the widespread European exploration and colonization of the Americas
Christopher Columbus
He has been called "the dean of American historical geography"
Carl Sauer
His book included rough maps of the landmasses and a global grid system
Ptolemy
It is a family of software programs that allows geographers to map, analyze and model spatial data
Geographic Information Systems (GIS)
This area is located in the Middle East in the vicinity of modern-day Iraq, is one of the first areas of sedentary agriculture and urban society and was transformed by climate changes and overuse of this environment over the centuries into the dry desert that exists there today
The Fertile Crescent
He is best known for having planned and led the 1519 Spanish expedition to the East Indies across the Pacific to open a maritime trade route
Ferdinand Magellan
He coined the term geography
Eratosthenes
He paved the way for the formal study of human-environment relations, referred to as environmental geography or cultural ecology
Carl Sauer
It is an extremely diverse discipline covering several major areas of study and involving researchers with different backgrounds from all over the world
Modern Geography
•The major subdisciplines of this area include population geography, cultural geography, political geography, economic geography, agricultural and rural geography and urban geography
Human Geography