Useful Links

GENERAL

• Internet Geography

• Geography.About.com

AGRICULTURE

• Farming hazard - Soil erosion - Satellite images of Dust Bowl and Sahel

• Farming hazard - Flood and drought - preparation in China

• Farming hazard - Drought - NOAA drought information center

• Farming hazard - Flood - NOAA flood information center

• Farming hazard - Tornado and severe weather - by NOVA

• Farming hazard - Overgrazing - Livestock grazing and its pressure on physical environment

COAST

• Image - ICTeacher Coastal Landform Photo Gallery

DATA BANK

• Data and facts by country - Geography.about.com

• Data and facts by country - United Nation Statistics Division

• Data and facts by country - GeographyIQ

DENUDATION

• Mass wasting - Different processes, with technical analysis

• Mass wasting - Landslide - USGS animation of landslide and mudflow

• Soil erosion - 黃土高及其水土流失.

DESERT

• General knowledge - DesertUSA.com

• General knowledge- Introduction to desert by USGS

• General knowledge - Arid lands, by The University of Arizona

• Human activities - Urban agriculture in arid citie

• Desert landforms - Wind, Eolian processes and landforms

• Desert plant / vegetation - Desert Plant Survival, by DesertUSA.com

• Desertification - By USGS

• Desertification - Climatic change and desertification

• Desertification - China - Beijing's desert storm

• Desertification - Africa - Desertification : A threat to Sahel, by Eden Foundation

• Desertification - Regional perspective

• Arid Lands Newsletter

DRAINAGE BASIN AND WATER CYCLE

• Water cycle - Interesting activities and experiments about water cycle

• Water cycle - Animation and quiz

• Drainage basin - Physicalgeography.net

• Drainage basin - A glossary by USGS

• Drainage basin - Movement of water within drainage basin

• 河盆系統

GEOLOGY AND TECTONICS

• US Geological Survey (USGS) - Home page

• USGS - This Dynamic Earth

• NOVA - Deadly Vesuvius

• Volcano World -- The Premier Source of Volcano Info on the Web

• USGS Volcanic Hazards Program

• Cascades Volcano Observatory HOME PAGE

• NOVA - Everest - Formation and mountain climate

• 香港地質學會

INSTITUTES AND ORGANIZATIONS

• Geography Department, HKU

MAPS AND MAP READING

• Hong Kong Survey Department, map products

NATURAL RESOURCES

• USGS Energy Resources Program Home Page

• USDA Forest Service Home Page

IMAGE, MOVIE & VIRTUAL REALITY

• Image - Geography.about.com.photo

• Image - Geographic.org photo collection

• Image - ICTeacher Photo Library (geography)

RIVER

• River - BBC GCSE BITESIZE revision (with on-line exercise)

• River hydrographs - Different hydrographs

• River Ganges - Drainage basin and floods

ROCKS AND MINERALS

• Virtual geology

• The Rock cycle- The rock cycle

• Mineral - The Mineral Gallery

• Ask a Geologist, by USGS

WEATHER AND CLIMATE

• US National Weather Service HomePage

• What is La Lina?

• How hurricane (tropical cyclone)works?

• Hong Kong Observatory