|
Search over 100 encyclopedias and dictionaries: |
Research categories | Follow us on Twitter |
Research categories
View all topics in the newsView all reference sources at Encyclopedia.com |
|||
|
groundwater facies
... Read more |
|
Groundwater
Chapter 4Groundwater A VAST HIDDEN RESOURCE Water lies beneath almost every part of the earth's surface Read more |
|
Hydrogeology
Hydrogeology Hydrogeology is the study of water contained in materials of Earth's crust , the physical and chemical characteristics of this water, its origin, evolution , and ultimate destination. Hydrogeology is the term used by geologists and hydrogeologists for this study. Geohydrology is... Read more |
|
geothermal energy
Geothermal Energy The word "geothermal" is derived from the Greek words geo (earth) and therme (heat), and "energy" is defined as usable power, such as heat or electricity. The temperature at the Earth's core (6,437 kilometers or 4,000 miles deep) may exceed 4,980°C (9,000°F). Energy from... Read more |
|
|
stalactite and stalagmite
stalactite and stalagmite , mineral forms often found in caves; sometimes collectively called dripstone. A stalactite is an icicle-shaped mass of calcite attached to the roof of a limestone cavern. Groundwater trickling through cracks in the roofs of such caverns contains dissolved calcium... Read more |
|
Radiation Injuries
Radiation injuries Definition Radiation injuries are caused by ionizing radiation emitted by such sources as the sun, x-ray and other diagnostic machines, tanning beds, and radioactive elements RADIATION SOURCES Natural sources Radon gas 55% Inside... Read more |
|
hot spring
hot spring natural discharge of groundwater having an elevated temperature. Most hot springs result from the emergence of groundwater that has passed through or near recently formed, hot, igneous rocks. Iceland, Yellowstone Park in the United States, and North Island of New Zealand are noted for... Read more |
|
Artificial recharge
Artificial Recharge Water-supply development is challenging. Increasing demands for water joined with concerns for environmental protection require a variety of new water management tools. Such a tool for the conjunctive useof surface water and groundwatersupplies is... Read more |
|
Water Cycle
Water Cycle The water, or hydrologic, cycle refers to the global scale continuous movement of water between the oceans, the atmosphere, and the continents. Water exists on Earth in three states: liquid water, solid (ice or snow), and gas (water vapor). Liquid water covers... Read more |
|
spring
spring in geology, natural flow of water from the ground or from rocks, representing an outlet for the water that has accumulated in permeable rock strata underground. Some of the water that falls as rain soaks into the soil and is drawn downward by gravity to a depth where all openings and pore... Read more |
No reference documents or articles match the search term Egypts Karnak threatened by rising groundwater
Suggestions: