Search Results

• • 8 

    Books

  • Sort by: sorttype.publication.date.desc Newest sorttype.publication.date.asc Oldest sorttype.article.type Document Title sorttype.relevance Relevance

• Select Contour plowing

  1

  Contour plowing

  Editors:Katherine H. Nemeh and Jacqueline L. LongeFrom:The Gale Encyclopedia of Science (Vol. 2. 6^th ed.)

  2021580 words Topic overview 1330LOne of the earliest methods of conservation tillage came to be known as contour plowing, or plowing on the contour. Tilling the soil along the gentle slopes of a piece of cropland, instead of up and down the gradient,...
• Select Erosion

  2

  Erosion

  Author:Clay HarrisFrom:The Gale Encyclopedia of Science (Vol. 3. 6^th ed.)

  20212,626 words Topic overview 1190LErosion is a group of processes that act to slowly decompose, disintegrate, remove, and transport materials on the surface of Earth. Erosion can include processes that remove and transport materials such as weathering...
• Select Mountains

  3

  Mountains

  Editors:Katherine H. Nemeh and Jacqueline L. LongeFrom:The Gale Encyclopedia of Science (Vol. 5. 6^th ed.)

  20213,439 words Topic overview 1220LA mountain is a large-scale topographic feature that is set apart from the local landscape by being much higher in elevation (topographic means having to do with the shape of the land surface). Mountains are taller...
• Select Bedrock

  4

  Bedrock

  Author:Clay HarrisFrom:The Gale Encyclopedia of Science (Vol. 1. 6^th ed.)

  2021535 words Topic overview 1210LBedrock is hard rock exposed at Earth's surface or buried beneath loose sediment sometimes referred to as regolith. It can be of igneous, sedimentary or metamorphic origin. A surface exposure of bedrock is called an...
• Select Barrier Islands

  5

  Barrier Islands

  Author:Elaine L. MartinFrom:The Gale Encyclopedia of Science (Vol. 1. 6^th ed.)

  20211,822 words Topic overview 1230LA barrier island is a long, thin, sandy stretch of land oriented parallel to the mainland coast that protects the coast from the full force of powerful storm waves. Between the barrier island and the mainland, is a...
• Select Landform

  6

  Landform

  Author:Otto H. MullerFrom:The Gale Encyclopedia of Science (Vol. 4. 6^th ed.)

  20212,031 words Topic overview 1240LA landform is a natural feature formed by the erosion or accumulation of soil or rock on Earth's surface. Most landforms are produced by the actions of weathering and erosion, carving away material from higher elevations...
• Select Davis, William Morris (1850-1934)

  7

  Davis, William Morris (1850-1934)

  From:Encyclopedia of World Biography

  1998451 words Biography 1320LBIOGRAPHICAL ESSAY The American geographer and geologist William Morris Davis (1850-1934) formulated a concept of the cycle of erosion, but his theories of landscape evolution are now sharply contested. Of Quaker...
• Select erosion

  8

  erosion

  Editors:E. D. Hirsch, Jr., Joseph F. Kett, and James TrefilFrom:The New Dictionary of Cultural Literacy: What Every American Needs to Know (3^rd ed.)

  200221 words Brief article, Defin... 1190LA type of weathering in which surface soil and rock are worn away through the action of glaciers, water, and wind....