A uniform wind-deposited accumulation of silty material having an open structure and relatively high cohesion due to cementation of clay or calcium-like material at grain contacts. These soils are commonly on loess hills and less commonly on outwash plains. When glaciers grind rocks to a fine powder, loess can form. The Rights Holder for media is the person or group credited. What are dunes and loess? Loess grains are angular, with little polishing or rounding, and composed of crystals of quartz, feldspar, mica and other minerals. [5] It may also contain organic material, such as the dusty remains of skeletons from desert animals.On the far side of the desert, moisture in the air causes the particles and dust to settle on the ground. Definition in the dictionary English. In parts of China, residents build cave-like dwellings in thick loess cliffs.Extensive loess deposits are found in northern China, the Great Plains of North America, central Europe, and parts of Russia and Kazakhstan. Soil organic carbon on the fragmented Chinese Loess Plateau: combining effects of vegetation types and topographic positions. It is easily tilled, or broken up, for planting seeds. Encyclopedic entry. Study with Quizlet and memorize flashcards containing terms like Loess has a very low content of what size of mineral particles?, 2 Ways that organic matter has an influence on soil development?, What are the 5 soil forming factors? Loess soil | Sinhala () Definition in Derana Dictioanry Environmental adaptability of Canavalia virosa and Flemingia congesta to sandy ash soil of Merapi Volcano, Java. The loess has intercalations with a clearly expressed soil profile, that is, buried soils that testify to the existence of warmer and wetter periods (interglacials) than the time during which the loess formed (ice ages). 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 ). Loess soil - definition of Loess soil by The Free Dictionary Loess is mostly created by wind but can also be formed by glaciers. Bikini, bourbon, and badminton were places first. Earth Science, Geography, Physical Geography. Pastoralist. The word stems from the German word loss or "loose," and loess is generally easily eroded by water or blown by wind. i.) The Xiashu loess is a typical Quaternary eolian deposit in southern China and represents an important terrestrial paleoclimate archive in this low-latitude monsoon region. Most loess is believed to have originated during the Pleistocene Epoch from areas of land covered by glaciers and from desert surfaces. and more. The development of a new crop growth model SwitchFor for yield mapping These particles include sand crystals made of quartz or mica. Official Series Description - ALFORD Series - USDA mineral noun inorganic material that has a characteristic chemical composition and specific crystal structure. organic adjective It is used for making brick (adobe) and cement and as a filler for levees and dams. loess soil translation in English - English Reverso dictionary, see also 'loss',loessal',less',loessial', examples, definition, conjugation The American Heritage Student Science Dictionary, Second Edition. loess. (n.). Loess a fertile, silty soil deposited by the wind, is plentiful in this region and in a fw favored areas winter precipitation is high enough to allow for rain-fed agriculture. Learn a new word every day. Loess soil | Article about Loess soil by The Free Dictionary 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.) In terms of its composition loess is usually classified as a loam or, more rarely, as a sandy loam. Aeolian soil Sediments deposited by wind (eg, loess). A wine lover's guide to vineyard soils - Tim Atkin Most loess is believed to have originated during the Pleistocene Epoch from areas of land covered by glaciers and from desert surfaces. GEOGRAPHIC SETTING: Memphis soils are on nearly level to very steep uplands and terraces having slopes ranging from 0 to 45 percent. loess soil definition - toka-china.com Parent Material and Soil Texture Flashcards | Quizlet LOESS (PRONOUNCED "LUSS") is a very fine light soil, often buff, yellow, or gray in color. It is stable, however, as long as it remains dry. loess soil. ess. For example, as wind blows across the Gobi, a desert in Asia, it picks up and carries fine particles. Loess in Spanish | English to Spanish Translation - SpanishDict What does loess mean? | Best 5 Definitions of Loess - YourDictionary Information and translations of loess in the most comprehensive dictionary definitions resource on the web. Washington wines are highly aromatic with slightly lighter color and smooth tannin. If a media asset is downloadable, a download button appears in the corner of the media viewer. The Loess ( / lo.s /, / ls /, or / ls /) Hills are generally located between 1 and 15 miles (24 km) east of the Missouri River channel. Environment Dictionaries. 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). Loess soils are among the most fertile in the world principally because the abundance of silt particles ensures a good supply of plant-available water good soil aeration extensive penetration by plant roots and easy cultivation and seedbed production. You cannot download interactives. Loess is a German word meaning loose. These changes may be due to the methods used in sampling, handling, transportation, storing or testing the sample. 2016. When blown by the wind, these sediments are referred to as. Login . 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. Coarse silt particles (10-50 m in diameter) make 40-70% of typical loess by weight. The Loess (wind-blown silt) soils in eastern Washington are the top layer of soil that covers the sandy-loam ancient flood soils below. This layer of fine, mineral-rich material is called loess. mica noun type of mineral that can be split into thin, see-through sheets. Record the pronunciation of this word in your own voice and play it to listen to how you have pronounced it. (n.) A mixture of sand, clay, and other materials, used in making molds for large castings, often without a pattern. In some parts of the world, windblown dust and silt blanket the land. All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. 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. Loess (soil) definition by Babylon's free dictionary Slopes range from 0 to 60 percent. . Soil is one of the principal substrata of life on Earth, serving as a reservoir of water and nutrients, as a medium for the filtration and breakdown of injurious wastes, and as a participant in the cycling of carbon and other elements through the global ecosystem. Shanghai Cooperation Organization is that alluvium is soil, clay, silt or gravel deposited by flowing water, as it slows, in a river bed, delta, estuary or flood plain while loess is (geology) any sediment, dominated by silt, of eolian (wind-blown) origin. LOESS | English meaning - Cambridge Dictionary soil, the biologically active, porous medium that has developed in the uppermost layer of Earth's crust. EurLex-2. The production area has sandy soils and, in the south-east, loamy and loess soils. A daily challenge for crossword fanatics. When glaciers grind rocks to a fine powder loess can form. It is used for making brick (adobe) and cement and as a filler for levees and dams. Collins Dictionary of Biology, 3rd ed. Growing wheat and other crops on steep (45 to 60 percent) slopes is common on the deep, Dictionary, Encyclopedia and Thesaurus - The Free Dictionary, the webmaster's page for free fun content, Field Experiment on Soaking Characteristics of Collapsible Loess, Traffic and tillage effects on runoff and soil loss on the Loess Plateau of northern China, Field-scale watershed evaluations on deep-loess soils: I. Topography and agronomic practices, Effects of zeolite application on nitrate and ammonium retention of a loamy soil under saturated conditions, Least limiting water range: a potential indicator of physical quality of forest soils, Effects of erosion on soil chemical properties in the north central region of the United States, Influence of topsoil removal on soil fertility and barley growth, Influence of Pressure and Water Content on Loess Collapsibility of the Xixian New Area in Shaanxi Province, China./Influencia de la presion y el contenido de agua sobre el indice de colapsabilidad de loess, en el distrito especial Xixian, provincia de Shaonxi, China, Experimental Analysis and Discussion on the Damage Variable of Frozen Loess, Trace elements distribution in the soil profiles of Peshawar, Limited influence of tillage management on organic matter fractions in the surface layer of silt soils under cereal-root crop rotations. 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. moisture noun wetness. Delivered to your inbox! Loess: Rock, sediment or soil - What is missing for its definition Any interactives on this page can only be played while you are visiting our website. https://www.thefreedictionary.com/Loess+soil. It is a gritty, lightweight, porous material composed of tightly packed grains of quartz, feldspar, mica, and other minerals. 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). 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. Ls, zengin, toz benzeri bir toprak olarak tanmlanabilir. loess soil. unstratified, homogeneous, calcareous sedimentary deposit, light yellow or buff in color. It was first applied to the soil type along the Rhine River. Notifications; . Soaked and loaded loess, however, is liable to collapse and slumping. Geology. LOESS | definition in the Cambridge English Dictionary Abstract Loessification is a process by which a body of non-loess ground is transformed into a body of loess ground. Why Is Loess Soil Usually Fertile - Realonomics Match all exact any words . 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: Ukrainian translation, meaning, synonyms, antonyms, pronunciation, example sentences, transcription, definition, phrases An essentially unconsolidated, unstratified calcareous silt; commonly it is homogeneous, permeable, and buff to gray in color, and contains calcareous concretions and fossils. 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. 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 | National Geographic Society Such soils are highly susceptible to water erosion. Loess is homogeneous, porous, friable, pale yellow or buff, slightly coherent, typically non- stratified and often calcareous. 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. 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. 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. yellowish and calcareous deposit formed by wind, common in the Mississippi Valley and in Europe and Asia. Geologos. She or he will best know the preferred format. Alkaline soil Any soil that has a pH of more than 7 . They help hold the soil in place. As nouns the difference between loam and loess is that loam is a type of soil; an earthy mixture of sand, silt and clay, with organic matter to which its fertility is chiefly due while loess is (geology) any sediment, dominated by silt, of eolian (wind-blown) origin. 0 rating. Geology of the Loess Hills, Iowa - USGS The fine particles in the loess consist of various clay minerals (hydromica, kaolinite, and montmorillonite). However, the chronological 27 Mid-Late Quaternary loess-paleosol sequence in Lantian's Yushan, China: An environmental magnetism approach and its paleoclimatic significance loess | sedimentary deposit | Britannica For information on user permissions, please read our Terms of Service. 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. a loamy, usu. loess | Etymology, origin and meaning of loess by etymonline The large particles in the loess consist mostly of quartz and feldspar, and to a lesser degree of mica, hornblende, and so forth. (ls, ls, ls) A very fine grained silt or clay, thought to be deposited as dust blown by the wind. 1. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Wardoyo, S.S. & A.Z.P.B. More dust slowly accumulates, and loess is formed.Loess often develops into extremely fertile agricultural soil. 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 noun 0 0 (geology) Any sediment, dominated by silt, of eolian (wind-blown) origin. Loess is a type of wind-deposited sediment that is typically silty. Loess soil is homogeneous and is also highly porous. Loessal | definition of loessal by Medical dictionary 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. These example sentences are selected automatically from various online news sources to reflect current usage of the word 'loess.' Loess form when the wind deposits clay and silt. [ 1] 'All Intensive Purposes' or 'All Intents and Purposes'? English to Sinhala: loess soil: . Albariza White-surfaced soil formed by diatomaceous deposits, found in southern Spain. 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. The formation of loess ground by the process of loessification: a history of the concept. Soils here are particularly complex, featuring chalk, sand, gravel, clay. Some experiments in dryland farming of wheat began as early as the 1840s. 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

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