This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. Shanghai Cooperation Organization Environment Dictionaries. The soils formed in loess more than 4 feet thick. loess. https://medical-dictionary.thefreedictionary.com/Loess+soil, Usowicz, "Evaluation of soil-loss contribution areas on, Because of the interaction between moisture and air, the unsaturated infiltration properties of, (2008) found that K was overestimated by Eqn (1) for, Seasonal variations in rill erodibility for a, Soil type at the Shouyang site is Chestnut-Cinnamon, Observations on earthworm channels and infiltration on tilled and untilled, Silicon release during NaOH extraction of all, Corn grain yield response to topsoil depth on deep, Not so with the shrubs that struggle to survive outside the watershed in the semi-arid, loose, Plant response to topsoil thickness on an eroded, Dictionary, Encyclopedia and Thesaurus - The Free Dictionary, the webmaster's page for free fun content, The effect of land use change on transformation of relief and modification of soils in undulating loess area of east Poland, Field Experiment on Soaking Characteristics of Collapsible Loess, Soil erodibility affected by vegetation restoration on steep gully slopes on the Loess Plateau of China, Temporal variability in rill erodibility for two types of grasslands, Traffic and tillage effects on runoff and soil loss on the Loess Plateau of northern China, Water infiltration rates following reintroduction of Lumbricus terrestris into no-till fields, Testing a new method for sequential silicon extraction on soils of a temperate--humid climate, Field-scale watershed evaluations on deep-loess soils: I. Topography and agronomic practices, Runoff and sediment yield under simulated rainfall on hillslopes in the Loess Plateau of China, Effects of zeolite application on nitrate and ammonium retention of a loamy soil under saturated conditions, Soil erosion - crop productivity relationships for six Alberta soils, Loewenstein Occupational Therapy Cognitive Assessment, Loffler parietal fibroplastic endocarditis. loess a fine-grained windblown silt that is characteristic of temperate areas where thick layers of it were distributed during the retreat of the ice after the last glaciation. Sometimes calcareous concretions (loess dolls, lime nodules), the shells of terrestrial mollusks, and the bones of mammals, particularly rodents and mammoths, are encountered in the loess. A example of loess is the clay and loam rich soil of Russia. For example, as wind blows across the Gobi, a desert in Asia, it picks up and carries fine particles. Loess is a sedimentary deposit originated by wind.El loess es un depsito sedimentario de origen elico. TAXONOMIC CLASS:Fine-silty, mixed, superactive, mesic Ultic Hapludalfs . Difficult. Can you pronounce this word better. When the route passes through hillsides of watershed, attention shall be paid to find out that whether there is unstable section of active gully region. When glaciers grind rocks to a fine powder, loess can form. The word stems from the German word loss or "loose," and loess is generally easily eroded by water or blown by wind. A very fine grained silt or clay, thought to be deposited as dust blown by the wind. For information on user permissions, please read our Terms of Service. What are dunes and loess? If you have questions about licensing content on this page, please contact ngimagecollection@natgeo.com for more information and to obtain a license. What's the difference between loam and loess? Record the pronunciation of this word in your own voice and play it to listen to how you have pronounced it. It is easily tilled, or broken up, for planting seeds. (n.). The American Heritage Student Science Dictionary, Second Edition. loess (German) n a light-coloured fine-grained accumulation of clay and silt particles that have been deposited by the wind (C19: from German Lss, from Swiss German dialect lsch loose) loessial loessal loessal The soils types include shell-limestone, keuper, marl, Soils here are very heterogenous with thick, When the tunnel was first dug, the ice held the, 'Dunderhead' and Other Nicer Ways to Say Stupid, 'Pride': The Word That Went From Vice to Strength. Aeolian soil Sediments deposited by wind (eg, loess). In 1877 the German scientist F. Richthofen proved the subaerial origin of Chinese loess (it was formed on land, and water played a limited role). In general, loess is defined as aeolian deposits of predominantly silt-sized mineral dust (Pcsi, 1990), which undergoes syn-and post-depositional modification to produce a characteristic. The word Loess has a German origin, and means 'loose', which also reflects one of its main properties. Major loess deposits are found in Shaanxi, CHINA, in some of the U.S. plains states, notably western IOWA and western NEBRASKa, and some parts of Europe, such as central BELGIUM. Most loess is believed to have originated during the Pleistocene Epoch from areas of land covered by glaciers and from desert surfaces. The porosity of loess is 4055 percent; it is traversed by narrow tubes (macro-pores, traces of plant remains). In some interlayers there are many grains of volcanic ash that has been carried by the wind for hundreds of kilometers from the site of eruption. loess soil. What is a loess made out of? LOESS combines much of the simplicity of . Washington wines are highly aromatic with slightly lighter color and smooth tannin. Loess can be made up of silt and loamy particles up to 50% and of clay particles up to 10%. GEOGRAPHIC SETTING: Memphis soils are on nearly level to very steep uplands and terraces having slopes ranging from 0 to 45 percent. To save this word, you'll need to log in. Collins Dictionary of Biology, 3rd ed. Soils here are particularly complex, featuring chalk, sand, gravel, clay. Loess is relatively well-sorted clastic sediment that is homogeneous, porous and slightly altered. Particles 0.010.05 mm in size predominate; clay particles smaller than 0.005 mm are present in an amount of 530 percent. Loess soil is homogeneous and is also highly porous. A variety of grain-size analyses show that this . Typical loess (so called " primary loess ") usually has a yellow or pale yellow color. W. G. Hale, V. A. Saunders, J. P. Margham 2005 Want to thank TFD for its existence? In some parts of the world, windblown dust and silt blanket the land. The wind blows loess around until it settles and, over time, accumulates in one area. Loam Soils It crumbles easily; in fact, the word loess comes from the German word for loose. Loess is soft enough to carve, but strong enough to stand as sturdy walls. Pastoralist. When glaciers grind rocks to a fine powder, loess can form. Geologos. More dust slowly accumulates, and loess is formed.Loess often develops into extremely fertile agricultural soil. Loss or Losses means all losses, damages, liabilities, deficiencies, claims, actions, judgments, settlements, interest, awards, penalties, fines, costs or expenses of whatever kind, including reasonable attorneys' fees and the costs of enforcing any right to indemnification hereunder and the cost of pursuing any insurance providers. 1833 (in Lyell), "unstratified deposit of loam," a special use from 1823 by German mineralogist Karl Csar von Leonhard (1779-1862) of German Lss "yellowish-gray soil," of a type found in the Rhine valley, from Swiss German lsch (adj.) loess has definitions from the field of geology. Find 38 ways to say LOESS, along with antonyms, related words, and example sentences at Thesaurus.com, the world's most trusted free thesaurus. This sediment becomes loess.Loess ranges in thickness from a few centimeters to more than 91 meters (300 feet). Loess is a rather ill-consolidated sediment of low compressive strength. Slopes range from 0 to 60 percent. The soil data include soil texture (weight of sand, slit, and clay), soil carbon, and bulk density to run the PAWS model (plant available water in soil), and these data were obtained from the field measurements or published paper. These example sentences are selected automatically from various online news sources to reflect current usage of the word 'loess.' A surface depression or hollow commonly found in arid and semiarid regions caused by wind erosion. All rights reserved, National Geographic Magazine: Our Good Earth, National Geographic WildWorld: Central China Loess Plateau, Iowa Department of Natural Resources: Loess Hills State Forest. Alkaline soil Any soil that has a pH of more than 7 . These changes may be due to the methods used in sampling, handling, transportation, storing or testing the sample. The climate is warm and humid with annual precipitation of about 49 inches (124.46 cm) and annual temperature of 65 degrees F (18.33 degrees C). *. It was first applied to the soil type along the Rhine River. 1. W. G. Hale, V. A. Saunders, J. P. Margham 2005 Definition in the dictionary English. The geographic feature of China known as the Loess Plateau takes its name from loess, the term for deposits of fine-grained, yellowish, windblown soil.Loess is distributed throughout many areas of northern China, but the greatest concentrations of loess are found in central China north of the Qin Mountains along the middle reaches of the Huang He (Yellow River). Moderate. The fine particles in the loess consist of various clay minerals (hydromica, kaolinite, and montmorillonite). Wardoyo, S.S. & A.Z.P.B. Most loess is believed to have originated during the Pleistocene Epoch from areas of land covered by glaciers and from desert surfaces. 2018. Intact loess features a random particle arrangement, high porosity, and significant number of macropores [ 19, 20 ]. a fine-grained unstratified accumulation of clay and silt deposited by the wind English to Sinhala: loess soil: . Pronunciation of Loess soil with 1 audio pronunciations. When you reach out to him or her, you will need the page title, URL, and the date you accessed the resource. Loess is the parent rock of chernozem and sierozem soil. Very easy. 4. This layer of fine, mineral-rich material is called loess.Loess is mostly created by wind, but can also be formed by glaciers. Streams carry the powder to the end of the glacier. Loess is commonly defined as an accumulation of windblown silt, covering more than 10% of the earth's surface, mainly in the earth's temperate zone ( Pye, 1995, Pcsi and Richter, 1996, Muhs and Bettis, 2003 ). a loamy, usu. It is full of minerals and drains water very well. . Modern regression methods are designed to address situations in which the classical procedures do not perform well or cannot be effectively applied without undue labor. The STANDS4 Network . Definition of loess : an unstratified usually buff to yellowish brown loamy deposit found in North America, Europe, and Asia and believed to be chiefly deposited by the wind Other Words from loess Example Sentences Learn More About loess Other Words from loess loessial \ le- s- l , l- , l- e- , lr- \ adjective The audio, illustrations, photos, and videos are credited beneath the media asset, except for promotional images, which generally link to another page that contains the media credit. Encyclopedic entry. Often used to describe the march of time, what does. [5] It is a gritty, lightweight, porous material composed of tightly packed grains of quartz, feldspar, mica, and other minerals. Streams carry the powder to the end of the glacier. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. Earth Science, Geography, Physical Geography. Pastoralist people who raise livestock for subsistence purposes. The Loess (wind-blown silt) soils in eastern Washington are the top layer of soil that covers the sandy-loam ancient flood soils below. Also popular are theories of the eolian (V. A. Obruchev), pedogenic (L. S. Berg), and polygenetic (eolian, deluvial, and pedogeniceluvial processes occurring in an arid climate) origin of loess. Send us feedback. yellowish and calcareous deposit formed by wind, common in the Mississippi Valley and in Europe and Asia. The features of loess make it to be the most fertile soil among all the other types. Definition of loess. If you have questions about how to cite anything on our website in your project or classroom presentation, please contact your teacher. unstratified, homogeneous, calcareous sedimentary deposit, light yellow or buff in color. Bikini, bourbon, and badminton were places first. Login . Loess is a type of wind-deposited sediment that is typically silty. Information and translations of loess in the most comprehensive dictionary definitions resource on the web. The major grain-size fraction of loess is from 0.02 to 0.05 mm, known as the loess fraction that includes granules of medium-grained dust. It has evolved through . The thickest loess deposits are near the Missouri River in the U.S. state of Iowa and along the Yellow River in China.Loess accumulates, or builds up, at the edges of deserts. noun 0 1 Loess is mostly created by wind, but can also be formed by glaciers. The American Heritage Student Science Dictionary, Second Edition. sand and loess soils exposed to wind erosion; EurLex-2. As a verb loam is to cover, smear, or fill with loam. Most loess is believed to have originated during the Pleistocene Epoch from areas of land covered by glaciers and from desert surfaces. A fine-grained, yellowish-brown, extremely fertile loam deposited mainly by the wind and found widely in North America, Asia, and Europe. These soils are commonly on loess hills and less commonly on outwash plains. When glaciers grind rocks to a fine powder loess can form. Dry bare soil is more likely to be eroded by the wind than moist soil or soil covered with plants. What does loess mean? Loess is a German word meaning loose. (v. Vulnerable to water erosion. The history of loessification is one of controversy and confrontation, largely. moisture noun wetness. Disturbed Soil Sample - this type of soil sample has been changed from its naturally occurring condition in the ground in some way. Loess is found in Europe, Asia, North America, and South America, predominantly in the steppe and semisteppe regions of the temperate zone. Albero Synonymous with albariza. Sand dunes form when the wind deposits sand. Loess is homogeneous, porous, friable, pale yellow or buff, slightly coherent, typically non- stratified and often calcareous. Loess. Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/loess. To cover, smear, or fill with loam. Its formation has been associated with different geological processes (on land with the activity of wind, rainwater and snow meltwater, soil formation and weathering, volcanism, the settling of cosmic dust, and sedimentation in lakes and seas) as well as stages of rock formation. After wetting, the loess is often compacted under the pressure of its own weight or the weight of structures, and the ground subsides, which can cause severe damage to structures. Environmental adaptability of Canavalia virosa and Flemingia congesta to sandy ash soil of Merapi Volcano, Java. Santosa. The Loess ( / lo.s /, / ls /, or / ls /) Hills are generally located between 1 and 15 miles (24 km) east of the Missouri River channel. LOESS is one of many "modern" modeling methods that build on "classical" methods, such as linear and nonlinear least squares regression. This layer of fine, mineral-rich material is called loess. National Geographic Headquarters 1145 17th Street NW Washington, DC 20036, National Geographic Society is a 501 (c)(3) organization. loess noun windblown soil or silt. Missouri River noun (4,382 kilometers/2,723 miles) river in the western United States. However, the chronological 27 Mid-Late Quaternary loess-paleosol sequence in Lantian's Yushan, China: An environmental magnetism approach and its paleoclimatic significance The production area has sandy soils and, in the south-east, loamy and loess soils. Loess can be described as a rich, dust-like soil. In some parts of the world, windblown dust and silt blanket the land. Loess soil: Ukrainian translation, meaning, synonyms, antonyms, pronunciation, example sentences, transcription, definition, phrases a light-coloured fine-grained accumulation of clay and silt particles that have been deposited by the wind, (2007), for instance, reported significant no tillage and residue cover effects (reducing runoff and soil loss by 34% and 62%, respectively) from rainfall simulation experiments in the drier western loess areas of Gansu province, and Liang (1997) showed the effectiveness of cover in protecting the, Xiubin H, Zhanbin H (2001) Zeolite application for enhancing water infiltration and retention in, These were a pumice (loamy sand), argillite (loam), ash (sandy clay loam), and, Plant response to topsoil thickness and to fertilizer on an eroded, Plant response to topsoil thickness on uneroded, Characteristics of the development of collapse in, In contrast, the total content of Cd, Cr, Mn and Zn was found to be significantly greater (p<0.05) in piedmont soils than alluvium and, Reduced tillage increased OC and N content of the surface soil layer (0-100 mm) in 6 of 7 silt. Unlike other soils, loess is pale and loosely packed. Coarse silt particles (10-50 m in diameter) make 40-70% of typical loess by weight. ess. https://www.thefreedictionary.com/Loess+soil. It generally occurs in arid, semi-arid and semi-humid regions, mainly due to excessive depletion of deep soil water by vegetation, evapotranspiration and scarce precipitation recharge over a long. 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