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- 1From:The Gale Encyclopedia of Science (Vol. 3. 6th ed.)The long-term distribution of heat and precipitation on Earth's surface is called global climate. Heat from the Sun keeps Earth's average temperature within a range that allows for biological life and maintains the...
- 2From:The Gale Encyclopedia of Science (Vol. 1. 6th ed.)An air mass is a body of air with a relatively constant temperature and moisture content over a significant volume. Air masses typically cover hundreds, thousands, or millions of square kilometers. A front is the...
- 3From:The Gale Encyclopedia of Science (Vol. 2. 6th ed.)The terms cyclone and anticyclone are used to describe areas of low and high atmospheric pressure, respectively. Air flowing around one or the other of these areas is said to be moving cyclonically in the first case and...
- 4From:The Gale Encyclopedia of Science (Vol. 2. 6th ed.)Clouds are condensed atmospheric moisture in the form of minute water droplets or ice crystals. The creation of a cloud begins at ground level. The sun heats Earth's surface and the warm ground heats the air, which rises...
- 5From:The Gale Encyclopedia of Science (Vol. 1. 6th ed.)The Earth's atmosphere exerts a force on everything within it. This force, divided by the area over which it acts, is the atmospheric pressure. The atmospheric pressure at sea level has an average value of 1,013.25...
- 6From:The Gale Encyclopedia of Science (Vol. 1. 6th ed.)A barometer is an instrument for measuring atmospheric pressure. Two kinds of barometers are in common use, a mercury barometer and an aneroid barometer. The first one makes use of a long narrow glass tube filled with...
- 7From:The Gale Encyclopedia of Science (Vol. 3. 6th ed.)Earth is a rocky oblate sphere orbiting the Sun along with a large natural satellite, the moon. Most of Earth's surface, about 70 percent, is covered with water. It has an atmosphere that consists mostly of nitrogen and...
- 8From:The Gale Encyclopedia of Science (Vol. 3. 6th ed.)As befits a dynamic Earth, the study of earth science embraces a multitude of subdisciplines. At the heart of earth science is the study of geology. Traditional geological studies of rocks, minerals, and local formations...
- 9From:AEI Paper & StudiesGlobal agricultural production has always been heavily influenced by weather and climate. While climate dictates where a crop is grown, within-season weather variation has always largely determined the size of a crop...
- 10From:Congressional Research Service (CRS) Reports and Issue BriefsUpdated February 25, 2021 Weather is day-to-day temperature, precipitation, and other conditions. Climate is weather observed over multidecadal periods for a defined location. For example, the National Oceanic and...
- 11From:The New Dictionary of Cultural Literacy: What Every American Needs to Know (3rd ed.)The daily conditions of the atmosphere in terms of temperature, atmospheric pressure, wind, and moisture....