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37 relations: Active layer, Alaska, Andes, Antarctica, Argentina, Bolivia, Calcium, Canada, Chile, Cryoturbation, Food and Agriculture Organization, Fossil, Glacial period, Greenland, Histosol, Latin, Nutrient, Paralithic, Peat, Pedogenesis, Pedology, Permafrost, Potassium, Precambrian, Scandinavia, Siberia, Soil, Soil classification, Soil color, Soil horizon, Soil organic matter, Subarctic, Subarctic climate, Tibet, Tundra, United Nations, USDA soil taxonomy.
Active layer
In environments containing permafrost, the active layer is the top layer of soil that thaws during the summer and freezes again during the autumn.
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Alaska
Alaska (Alax̂sxax̂) is a U.S. state located in the northwest extremity of North America.
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Andes
The Andes or Andean Mountains (Cordillera de los Andes) are the longest continental mountain range in the world.
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Antarctica
Antarctica is Earth's southernmost continent.
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Argentina
Argentina, officially the Argentine Republic (República Argentina), is a federal republic located mostly in the southern half of South America.
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Bolivia
Bolivia (Mborivia; Buliwya; Wuliwya), officially known as the Plurinational State of Bolivia (Estado Plurinacional de Bolivia), is a landlocked country located in western-central South America.
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Calcium
Calcium is a chemical element with symbol Ca and atomic number 20.
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Canada
Canada is a country located in the northern part of North America.
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Chile
Chile, officially the Republic of Chile, is a South American country occupying a long, narrow strip of land between the Andes to the east and the Pacific Ocean to the west.
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Cryoturbation
In gelisols (permafrost soils), cryoturbation (frost churning) refers to the mixing of materials from various horizons of the soil down to the bedrock due to freezing and thawing.
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Food and Agriculture Organization
The Food and Agriculture Organization of the United Nations (FAO; Organisation des Nations unies pour l'alimentation et l'agriculture, Organizzazione delle Nazioni Unite per l'Alimentazione e l'Agricoltura) is a specialized agency of the United Nations that leads international efforts to defeat hunger.
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Fossil
A fossil (from Classical Latin fossilis; literally, "obtained by digging") is any preserved remains, impression, or trace of any once-living thing from a past geological age.
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Glacial period
A glacial period (alternatively glacial or glaciation) is an interval of time (thousands of years) within an ice age that is marked by colder temperatures and glacier advances.
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Greenland
Greenland (Kalaallit Nunaat,; Grønland) is an autonomous constituent country within the Kingdom of Denmark between the Arctic and Atlantic Oceans, east of the Canadian Arctic Archipelago.
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Histosol
In both the FAO soil classification and the USDA soil taxonomy, a histosol is a soil consisting primarily of organic materials.
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Latin
Latin (Latin: lingua latīna) is a classical language belonging to the Italic branch of the Indo-European languages.
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Nutrient
A nutrient is a substance used by an organism to survive, grow, and reproduce.
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Paralithic
A paralithic horizon is a weathered layer of bedrock.
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Peat
Peat, also called turf, is an accumulation of partially decayed vegetation or organic matter that is unique to natural areas called peatlands, bogs, mires, moors, or muskegs.
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Pedogenesis
Pedogenesis (from the Greek pedo-, or pedon, meaning 'soil, earth,' and genesis, meaning 'origin, birth') (also termed soil development, soil evolution, soil formation, and soil genesis) is the process of soil formation as regulated by the effects of place, environment, and history.
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Pedology
Pedology (from Greek: πέδον, pedon, "soil"; and λόγος, logos, "study") is the study of soils in their natural environment.
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Permafrost
In geology, permafrost is ground, including rock or (cryotic) soil, at or below the freezing point of water for two or more years.
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Potassium
Potassium is a chemical element with symbol K (from Neo-Latin kalium) and atomic number 19.
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Precambrian
The Precambrian (or Pre-Cambrian, sometimes abbreviated pЄ, or Cryptozoic) is the earliest part of Earth's history, set before the current Phanerozoic Eon.
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Scandinavia
Scandinavia is a region in Northern Europe, with strong historical, cultural and linguistic ties.
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Siberia
Siberia (a) is an extensive geographical region, and by the broadest definition is also known as North Asia.
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Soil
Soil is a mixture of organic matter, minerals, gases, liquids, and organisms that together support life.
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Soil classification
Soil classification deals with the systematic categorization of soils based on distinguishing characteristics as well as criteria that dictate choices in use.
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Soil color
Soil color does not affect the behavior and use of soil; however, it can indicate the composition of the soil and give clues to the conditions that the soil is subjected to.
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Soil horizon
A soil horizon is a layer parallel to the soil surface, whose physical characteristics differ from the layers above and beneath.
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Soil organic matter
Soil organic matter (SOM) is the organic matter component of soil, consisting of plant and animal residues at various stages of decomposition, cells and tissues of soil organisms, and substances synthesized by soil organisms.
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Subarctic
The subarctic is a region in the Northern Hemisphere immediately south of the true Arctic and covering much of Alaska, Canada, Iceland, the north of Scandinavia, Siberia, and the Shetland Islands.
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Subarctic climate
The subarctic climate (also called subpolar climate, subalpine climate, or boreal climate) is a climate characterised by long, usually very cold winters, and short, cool to mild summers.
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Tibet
Tibet is a historical region covering much of the Tibetan Plateau in Central Asia.
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Tundra
In physical geography, tundra is a type of biome where the tree growth is hindered by low temperatures and short growing seasons.
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United Nations
The United Nations (UN) is an intergovernmental organization tasked to promote international cooperation and to create and maintain international order.
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USDA soil taxonomy
USDA soil taxonomy (ST) developed by United States Department of Agriculture and the National Cooperative Soil Survey provides an elaborate classification of soil types according to several parameters (most commonly their properties) and in several levels: Order, Suborder, Great Group, Subgroup, Family, and Series.
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Redirects here:
Cryosol, Cryosols, Gelisols, Histel, Histels, Orthel, Orthels, Turbel, Turbels.
References
[1] https://en.wikipedia.org/wiki/Gelisol
