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Wednesday, July 29, 2020 | History

4 edition of Weathering, frost action, and patterned ground in the Mesters Vig district, Northeast Greenland found in the catalog.

Weathering, frost action, and patterned ground in the Mesters Vig district, Northeast Greenland

Washburn, A. L.

Weathering, frost action, and patterned ground in the Mesters Vig district, Northeast Greenland

by Washburn, A. L.

  • 43 Want to read
  • 23 Currently reading

Published by C. A. Reitzel in København .
Written in English

    Places:
  • Greenland,
  • Scoresby Land.
    • Subjects:
    • Patterned ground -- Greenland -- Scoresby Land.,
    • Frost heaving.,
    • Weathering -- Greenland -- Scoresby Land.

    • Edition Notes

      Bibliography: p. [191]-204.

      Statementby A. L. Washburn.
      SeriesMeddelelser om Grønland udgivne af Kommissionen for videnskabelige undersøgelser i Grønland, bd. 176, nr. 4, Meddelelser om Grønland ;, bd. 176, nr. 4.
      Classifications
      LC ClassificationsQ115 .D39 bd. 176, nr. 4
      The Physical Object
      Pagination303 p., plate.
      Number of Pages303
      ID Numbers
      Open LibraryOL4371008M
      LC Control Number78559059

      This banner text can have markup.. web; books; video; audio; software; images; Toggle navigation.   Instrumental observations of mass‐wasting in the Mesters Vig district, Northeast Greenland. Washburn, Washburn. Weathering, frost action, and patterned ground in the Mesters Vig District, Northeast Greenland. Washburn, Washburn.

        Frost wedging is a type of mechanical weathering caused by frost and ice. Water expands when it freezes, and repeated cycles of freezing and thawing slowly weaken the structural integrity of porous and cracked rocks. Over time, frost wedging enlarges tiny cracks into huge fissures. The fissures eventually split the rock completely. tance of frost action as a weathering agent in the arctic environment. Rock decay evolution and rock fall occurrence is studied on a rockwall and interpreted in relation to temperature and humidity data. Only very few studies have been carried out on rock fall and talus slopes on Svalbard (Rapp , Åkerman , André ).

      Freeze wedging is caused by the repeated freeze-thaw. Frost wedging occurs as the result of 9 % expansion of water when it is converted to ice. Cracks filled with water are forced further apart when it freezes. cycle. Most substances expand when hot or cooled and water is one of them. Frost wedging: Water gets into the rocks, freezes, contracts, repeat. Salt Wedging- Salt crystals pry apart rock by evaporation. Leaves honeycomb like pattern. Thermal Expansion- Expanding and contraction of rock by heat. Needs EXTREME heat, Pressure Release- exfoliation Mass exposed by erosion of overlying crust. Pressure causes it to expand.


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Weathering, frost action, and patterned ground in the Mesters Vig district, Northeast Greenland by Washburn, A. L. Download PDF EPUB FB2

Get this from a library. Weathering, frost action, and patterned ground in the Mesters Vig district, Northeast Greenland. [A L Washburn]. weathering, frost action, and patterned ground in the mesters vig district, northeast greenland.

by a. washburn. pp., figures, 29 tables, 91 plates. (medd. om gr0nland, bd.nr. 4.) the relation of the vascular flora to some factors of site in the and patterned ground in the Mesters Vig district vig district, northeast greenland. Get this from a library. The vegetational relations of weathering, frost action, and patterned ground processes, in the Mesters Vig district, Northeast Greenland.

[Hugh M Raup]. Weathering, frost action, and patterned ground in the Mesters Vig District, northeast Greenland, Meddelelser om GrlandNo. Cited by: Raup, H.M. The vegetational relations of weathering, frost action and patterned ground processes, in the Mesters Vig district, Northeast Greenland.

Meddelelser om Grønland (1), 92 pp. The vegetational relations of weathering, frost action and patterned ground processes in the Mesters Vig district northeast Greenland.

Meddr. Grønland Bd. (1). 92 pp. Google Scholar. Raup, H. M., b. Miscellaneous contributions on the vegetation of the Mesters Vig district northeast Greenland. The size sorting of mineral soil can generate patterned ground with polygons, nets, and strips, and consequent effects on plant distributions; such frost action is regarded as a primary physical factor in tundra plant communities.

Some effects of frost and patterned ground in the Mesters Vig district be sublethal, and thus more subtle. Frost and the works of man - Volume 47 Issue - R.

Williams. Washburn, A.L. 19 69 - Weathering, frost action and patterned ground in the Mesters Vig district, northeast Greenland. Meddelelser om Grønland,4: Soils of the Mesters Vig district, Northeast Greenland: Patterned ground in the Mesters Vig district, Northeast Greenland Biuletyn Peryglacjalny 18 Washburn, A.L.

Mechanisms of Frost Action and Related Periglacial Landforms. Geographical Review of Japa. Ser. Interactions between surface water and ground water and effects on mercury transport in the north‐central Everglades.

Weathering, frost action, and patterned Ground in the Mesters Vig District, northeast Greenland. Meddel. Om Gronland, (4): pp.

Google Scholar. Frost wedging is the process by which water/ ice weathers and erodes landscapes through repeated freeze and thaw cycles.

As water freezes it expands by 9 percent, wedging the rock apart only to melt again during the summer months. The geomorphology of subarctic environments is greatly influenced by processes associated with cycles of freezing and thawing.

The vegetational relations of weathering, frost action, and patterned ground processes, in the Mesters Vig district, northeast Greenland. 91 p., 47 figs, 11 tables, paperbound. Unopened. Library stamp; BA € Références Anderson, S.P., Drever, J.I.

& Humphrey, N.F. - Chemical weathering in glacial environments. Geology, 25, 5: André, M.-F. Weather Underground, also called Weather Underground Organization, formerly Weatherman, militant group of young white Americans formed in that grew out of the anti-Vietnam War movement.

The Weather Underground, originally known as Weatherman, evolved from the Third World Marxists, a faction within Students for a Democratic Society (SDS), the major national organization representing the. The importance of frost action consists in weathering and of micromovements of the ground.

Block-splitting, gelifraction, rock disintegration into fragments and finally into rock dustn other words, that whole powerful process preceding the action of geomorphological factors called Gesteinsaufbereitung by W.

PENCKll these processes proceed with. physical weathering: frost action, salt weathering, thermal expansion, wetting and drying, pressure release; weathering proceeds from less stable to more stable minerals; primary minerals to secondary minerals to more weathered secondary minerals; chemical weathering: solution, hydrolysis, oxidation/reduction, ion exchange.

Frost wedging is a form of physical weathering that involves the repeated freezing and thawing of water in areas with extremely cold weather. When water freezes, it expands. When water freezes, it. Weathering is the breaking down of rocks, soils, and minerals as well as wood and artificial materials through contact with the Earth's atmosphere, water, and biological ring occurs in situ (i.e., on site, without displacement), that is, in the same place, with little or no movement, and thus should not be confused with erosion, which involves the transport of rocks and.

Frost weathering is a collective term for several mechanical weathering processes induced by stresses created by the freezing of water into term serves as an umbrella term for a variety of processes such as frost shattering, frost wedging and cryofracturing.

The process may act on a wide range of spatial and temporal scales, from minutes to years and from dislodging mineral grains to. Action Items for Tuesday, Sept.

15! 1. Read Chapter 7! 2. Complete homework assignment #6! 1. What you should know from today:" 2. 1. Compare/contrast 3 types of weathering" 3.

2. Describe types of physical weathering" 4. 3. Describe the role of water in chemical weathering" 5. 4. List and define typical soil layers" 6. 5.Frost depth data shown in this map is queried from the North Central River Forecast Center (NCRFC) database late morning each day.

Frost depth reports here are commonly from frost tube instruments, visual reports from construction or cemetery sites, or other types of electronic probes.Of high interest are also the instrumental observations of mass-wasting carried out by Wahburn in the Mesters Vig district of NE Greenland from to (Washburn ).

Experimental sites ranging in mean gradient from to were established in various conditions regarding grain size, moisture and vegetational characteristics.