2000). breeding grounds. (Physical Geography) (in the US) a temporary lake, or its dry often salty bed, in a desert basin [Spanish: shore, from Late Latin plagia, from Greek plagios slanting, from plagos side; compare French plage beach] Approximately 19,300 playas are found in the Texas noun In geology, a general name for various desiccated lake-basins in the Western States. to concentrate water and slow evaporation so that livestock would have a watering Smectite clays experience the greatest shrinkage on drying. (noun) of playas, along with their high plant production, means they produce an abundance The wet/dry nature Surveys in the early 1990s documented that Blue-winged Teal, foraging in agricultural fields can cover many miles. Abstract The Didwana playa, the second largest playa in the eastern part of the Thar desert, is 5.6 km long and 2.4 km wide and supports commercial salt production. these extremely cold periods, waterfowl are forced to move to large reservoirs Your contact information is used to deliver requested updates or to access your subscriber preferences. Breeding James M. Bowler, an Australian Quaternary stratigrapher, produced a precise chronology of playa development and associated eolian activity in the desert of western New South Wales, Australia. In rangelands, Sedimentary Rocks. at reducing sedimentation. OTHER SETS BY THIS CREATOR. pits. portion of the aquifer. during winter are Canada Geese and Snow Geese. Several conservation practices benefit playa lakes. Sinkhole : What are sinkholes? Recent estimates suggest that Salt lake that forms on flat desert basins after heavy rainfall. We apply the definition of the playa lake (Bowler et al., 1986, Briere, 2000) for hypersaline lakes on the playas in the study area. The thickness of lake sediment package is reported to be 20 m and comprises fine grained clays and silts, with abundant calcite, gypsum, and halite, associated with … The U.S. Playa lake synonyms, Playa lake pronunciation, Playa lake translation, English dictionary definition of Playa lake. 35 terms. 300,000 geese are found in the Playa Lakes Region. On these plains, rivers often have wide … Enclitic forms in Medieval French. Larger buffers are more effective winter. filter and recharge as much as 95 percent of the water collected in the southern It is NOT defined by temperature - it is defined by ardity.! Since about 4,000 years ago, the north African lakes have fallen to the range of their modern lows. During wet They are ephemeral, meaning that they are only present at certain times of the year. Bajada, (Spanish: “slope”, ) broad slope of debris spread along the lower slopes of mountains by descending streams, usually found in arid or semiarid climates; the term was adopted because of its use in the U.S. Southwest. Most North American for wintering waterfowl in the Central Flyway. This form of irrigation is declining and modern, more springs and summers, 250,000 waterfowl may be produced in the Playa Lakes The period from 30,000 to 24,000 years ago was marked by low lake levels. The term playa is essential in this issue of the Journal of Iberian Geology, but, in spite of some recent attempts to clarify its definition (Rosen, 1994; Briere, 2000), two fundamental aspects remain controversial: Why this term cannot be translated into English? Service (NRCS), and the Playa Playa It is a flat and broad desert basin that contains a short-lived playa lake. Lesser Yellowlegs, Long-billed Curlews, Long-billed Dowitchers, Stilt Sandpipers, Geology: Chapter 6, Sedimentary Rocks. Playa lakes are arguably the most significant ecological feature in the Texas High Plains, even though they cover only 2 percent of the region’s landscape. Don Kahl, 1702 Landmark Lane, Lubbock TX 79415; 806-475-1308 or your local NRCS representative. of invertebrates. and Wilson’s Phalaropes being the most abundant. During migration periods, playas are often besieged with spectacular numbers Such The muds deposited on playas are subject to drying and shrinking. Paleozoic Era: 245 to 570 million years ago. Thick salts may form rugged crusts, as at Devil’s Golf Course in Death Valley. In other words, a playa lake only contains water occasionally. Livestock allowed access to playa Oxbow lakes usually form in flat, low-lying plains close to where the river empties into another body of water. Recharge occurs both through playa basins and along If the floor of a dry lake is covered by deposits of alkaline compounds, it is known as an alkali flat. Playa landowners (and in some cases municipalities) with playa conservation. ephemeral lake (plural ephemeral lakes) ( geology ) A lake that is ephemeral ; that is, a lake that is usually dry, but that fills with water for brief periods during and after rainfall or other precipitation. lagoon an area of water that is separated from the sea by rocks, sand, or coral a tropical lagoon coastal lagoons loch in Scotland, a lake or an area of sea water that is almost completely surrounded by land Loch Ness a sea loch reservoir a lake… Endorheic basin, also known as a sink, alkali flat or sabkha, a desert basin with no outlet which periodically fills with water to form a temporary lake; Dry lake, often called a playa in the southwestern United States; Populated places United States. What does salina mean? Coast or south of the U.S. border. Playas are shallow, circular-shaped wetlands that are primarily filled by rainfall, although some playas found in cropland settings may also receive water from irrigation runoff. This productivity makes playas havens for birds and other This type of lake is also known by several other names, including: dry lake, alkali sink, and alkali flat. Australia's geology can be divided into several main sections; the Archaean cratonic shields, Proterozoic fold belts and sedimentary basins, Phanerozoic sedimentary basins, and Phanerozoic metamorphic and igneous rocks.. Australia as a separate continent began to form after the breakup of Gondwana in … noun Western U.S. the sandy, salty, or mud-caked flat floor of a desert basin having interior drainage, usually occupied by a shallow lake during or … Mallards and Northern Pintails cycles. A dry lake, also known as a playa, is either a basin or depression that formerly contained a standing surface water body, which disappeared when evaporation processes exceeded recharge. During This practice continues today, although it is not Recharge occurring through playa The meander becomes an oxbow lake along the side of the river. A salt pan is formed where water pools were. It shallows to about 5° over the main part of the fan and shallows even more to 1-2° at the toe. Teal and Mallards that nest in the prairie grasses and wheat fields of the Another low was reached about 7,000 years ago. tend to be shallower and lose their capacity to hold water. THESAURUS lake a large area of water surrounded by land Lake Michigan We went for a swim in the lake. and filling pits in order to restore playas basins holds promise, but these than 10 acres have had pits dug in them to concentrate water for row-water events leave flood-water standing outside the clay-lined basins. 52 terms. YOU MIGHT ALSO LIKE... 48 terms. Polar Glacier account_circle  YOU MIGHT ALSO LIKE... 48 terms. Franklin Lake playa is one of the principal discharge areas of the Furnace Creek Ranch-Alkali Flat ground-water-flow system in southern Nevada and adjacent California. If the water can pond, the fine grains settle out and the water evaporates forming minerals like gypsum and halite, and creating playa lake … Lake Chad expanded to the size of the modern Caspian Sea. Surficial geology underlying the various project 17 components consists of either Quaternary alluvium, lake, playa, and terrace deposits that include some A lake is a body of water that is surrounded by land. move to find suitable wetlands and food. Grassland buffers slow or halt sedimentation. Unconformity : What Is Unconformity? Mostly nonmarine, but includes marine deposits near the coast. A salt pan would be a lake or a pond if it were located in a climate where the rate of water evaporation were not faster than the rate of water precipitation, i.e., if it were not in a desert.If the water is unable to drain into the ground, it remains on the surface until it evaporates, … as a result of soil erosion in adjacent croplands. rainfall, although some playas found in cropland settings may also receive source during droughts. farming practices. 52 terms. Where is it found? They have been most profoundly influenced by changes in hydrologic regimen induced by the climatic variations of the Quaternary Period (i.e., the past 2.6 million years). birds and forage and cover for other prairie wildlife. photograph to the right. In general the term salar is interchangeable with playa lake, but more specifically for my study, a salar is an The most conspicuous species Playas are critical “refueling For example, in Laredo, TX the average … smartweeds and millets. Because of their silt and clay composition, these features are sometimes called clay dunes. 6 Pages of Earth's Past: Sedimentary Rocks. Playas average slightly more than 15 acres in Geology: Chapter 6, Sedimentary Rocks. Yucca Mountain, Nevada, located within this flow system, is being evaluated by the US Department of Energy to determine its suitability as a … This type of lake is also known by several other names, including: dry lake, alkali sink, and alkali flat. Playas affected by sedimentation Intrusive Basalt Dike “Acadia National Park”. A playa is a dry, vegetation-free, flat area at the lowest part of an undrained desert basin. Playas have a surprising number of nesting shorebirds and waterfowl. Playa, also called pan, flat, or dry lake, flat-bottom depression found in interior desert basins and adjacent to coasts within arid and semiarid regions, periodically covered by water that slowly filtrates into the ground water system or evaporates into the atmosphere, causing the deposition of salt, sand, and mud … their role in recharging the Ogallala, the conservation of playas is as important Unformatted text preview: 44/44 =% Lab 14 - Arid Landscapes Section A – Overview of Lands with Dry Climates The definition of a dry climate is tied to an understanding of the hydrologic cycle in a region.A dry climate occurs when precipitation is less than the potential for evapotranspiration. and grazing practices. Although important, playa lakes can be a harsh environment for wintering birds. access to playas during the growing season. Playa lakes are round hollows in the ground in the Southern High Plains of the United States. Playa (lake): temporary lake in a hot desert, which may partly or completely dry out, resulting in salt deposits formed by evaporation. lakes are arguably the most significant ecological feature in the Texas High Playa Lake: United States SOURCE: National Geospatial-Intelligence Agency, Bethesda, MD, USA This page presents the geographical name data for Playa Lake in United States, as supplied by the US military intelligence in electronic format, including the geographic coordinates and place name in various forms, latin, … of playas have roads constructed in their basins. Quaternary sand deposits, unit 2 (inland) (Quaternary) Are terms like playa, salar, dry lake and sabkha, among … Estimates suggest approximately 70 percent of playas larger the problem facing playas is over grazing. Clays and salts form crusts that curl and flake upon drying. All have experienced episodes of expanded lake levels in the past. Daily flights for ducks and geese A playa lake is an ephemeral body of water, which means it only exists temporarily throughout the year. Lakes Joint Venture all have cost-share funds available to assist private n. ... site was located on an alluvial fan at the foot of a mountain range and less than a kilometer from the shoreline of a playa lake. efficient irrigation practices that rely on groundwater do not require these have been subject to continual threats. Polar Desert The barren regions on our planet that are characterized by the presence of water only in the form of ice and snow, and where liquid water is not present, are known as polar desert areas. Distribution: Zones of high pressure at ~30˚N & S, as well as 90˚N & S. Also leeward sides of mountains. wildlife throughout the year. water from irrigation runoff. to playa lakes as a critical recharge source for the Ogallala aquifer. size. The Playa Lakes Region is second only to the Gulf Coast in providing habitat Overview. playa (plural playas) (geology, US) A level area which habitually fills with water that evaporates entirely. These cracks 7H2O). The presence of salts enhances the effect, since deposition and crystallization of salts in the cracks creates a polygonal network of salt wedges. Additionally, removing sediments In northern Africa lakes were at a moderately high level from 30,000 to 22,000 years ago. The term salt lake is used here when both a hypersaline lake and associated playa are involved. 35 terms. Manage My Subscriptions, archive  Email subscriber privacy policy Playas The most common is establishing 49 terms. 35 terms. Chapter 6. Components. In a recent January waterfowl survey, it was estimated that more than From about 26,000 years ago, the lakes fell to low levels. Chapter 6. Sedimentary Rocks. Zebra Schist : What is Zebra Schist? Additionally, waterfowl wintering in the playa region continually or rivers. basins flows downward through large cracks in the clay lining. Some clay-rich playas have experienced unusually deep drying and sediment contraction during prolonged droughts. as common as it once was. ! It is also possible, however, that lakes could have expanded because of other factors, including increased groundwater inflow and/or decreased evaporation/transpiration. find out more or to get technical assistance for playa conservation contact It is a location where ephemeral lakes form during wet periods, and is underlain by stratified clay, silt, and sand, and commonly, soluble salts. Playa definition: (in the US) a temporary lake, or its dry often salty bed, in a desert basin | Meaning, pronunciation, translations and examples Blue-winged See more. from the GNU version of the Collaborative International Dictionary of English. any personal information to the agency. Playas, New Mexico, an unincorporated community in New Mexico A salt marsh, spring, pond, or lake. There, numerous small lakes reached their maximum extent 32,000 years ago, approximately coincident with the age of the first human remains in Australia. Playa definition, the sandy, salty, or mud-caked flat floor of a desert basin having interior drainage, usually occupied by a shallow lake during or after prolonged, heavy rains. Playa lakes are a type of shallow wetland that typically form after rainfall. Once the subject of much debate, mounting evidence points Alluvium, lake, playa, and terrace deposits; unconsolidated and semi-consolidated. In Australia many playas have large transverse crescentic foredunes on their leeward side. Landforms. of cranes, waterfowl, and shorebirds. Giant desiccation polygons formed under these conditions are as large as 90 metres across. Small volume lakes, however, are more sensitive to climatic change, recording higher frequency oscillations in the hydrologic balance. If covered with salt, it is known as … Playas in croplands have suffered severe sedimentation For thick, soluble crusts, dissolution may occur during fluctuations of a high water table. Playa, (Spanish: shore or beach), also called pan, flat, or dry lake, flat-bottom depression found in interior desert basins and adjacent to coasts within arid and semiarid regions, periodically covered by water that slowly filtrates into the ground water system or evaporates into the atmosphere, causing the deposition of salt, … Individual cracks more than one metre wide and 15 metres deep have been observed. During the maximum cold, dry phase of the last glacial period, from approximately 20,000 to 11,700 years ago, most African lakes were at low levels, and many were dry. 35 terms. This process is increasingly recognized as a source of dust hazard, as studies around Owens Lake, California, and in western China have shown. Although larger playas may exceed 800 acres, most (around 87 percent) dabbling and diving ducks also use playas during migration. A bajada is often formed by the coalescing of several alluvial fans. (Physical Geography) (in the US) a temporary lake, or its dry often salty bed, in a desert basin [Spanish: shore, from Late Latin plagia, from Greek plagios slanting, from plagos side; compare French plage beach] n playa In geology, a general name for various desiccated lake-basins in the Western States. autumn. During spring, Gadwall and Blue-winged Teal often linger long after Ch. A playa lake is an ephemeral body of water, which means it only exists temporarily throughout the year. Fish and Wildlife Service, the U.S.D.A. 15 Geology in the Peninsular Ranges province is similar to that of the Sierra Nevada with granitic rocks 16 intruding older metamorphic rocks (DOC 2002). Ch. Their C.R. that are preferred by waterfowl and other birds. Remnant of Holocene pluvial lakes have long been known in the south western desert of Egypt (Beadnell 1909,Ball 1927) Credit: GeologyPage.com, +20 Strange Geological Formations On Earth. are favored by dabbling ducks and other seed eating birds. and cookie statement. The temporal nature of playa lakes led to confusion on the part of early European explorers, some of whom described the region as a desert and others a land of millions … Compared to other wetlands, playas go through frequent, unpredictable, wet/dry Recharge occurring along playa perimeters takes place after rainfall ; n playa In geology, a general name for the plain of silt or mud that marks the bottom of a desiccated lake-basin in the western United States. (African-American Vernacular, slang) A player (someone who plays the field, or has prowess in gaining romantic and sexual relationships). Playas are exceptionally sensitive to environmental change. An oxbow lake starts out as a curve, or meander, in a river.A lake forms as the river finds a different, shorter, course. What causes them? Most alteration to playas has been the result of n playa In geology, a general name for various desiccated lake-basins in the Western States. Children under 13 years of age must have a parent/guardian's consent before providing native prairie buffers around the perimeter of playa basins. Road construction has also impacted playas. (or furrow) irrigation. Playas and saline flats are particularly susceptible to wind action. In wet years they support the production of annual plants, such as Fencing playa basins The High Plains is subject to periodic drought and to hard freezes during An oxbow lake starts out as a curve, or meander, in a river.A lake forms as the river finds a different, shorter, course. High Plains depend on playas as brooding areas for their young. Approximately 10 percent Many of the lakes of the southwestern United States, however, seem to have been not quite in phase with one another. eventually swell shut and become impermeable as the clay absorbs water following Endorheic basin, also known as a sink, alkali flat or sabkha, a desert basin with no outlet which periodically fills with water to form a temporary lake; Dry lake, often called a playa in the southwestern United States; Populated places United States. basins during the growing season often remove many of the seed producing plants A playa is a dry, vegetation-free, flat area at the lowest part of an undrained desert basin. Because of As shown in the This allows for growth and establishment Green-winged Teal, Gadwall, and Northern Pintails are common during early Only suspended sediments are transported beyond the toe, along with dissolved ions. American Avocets and Black-necked Stilts are found on most wet playas. The flakes and curls are readily deflated, and these wind-eroded sediments are then deposited leeward of the playas and saline flats from which they were removed. Enclitic forms in … High lakes again occurred about 9,000 to 5,000 years ago, but playas were reestablished after that. Playa lakes are arguably the most significant ecological feature in the Texas High Plains, even though they cover only 2 percent of the region’s landscape. This means the conservation Mesozoic Era: 66 to 245 million years ago, includes the Cretaceous, Jurassic and Triassic Periods. 49 terms. Playas occur in intermountain basins throughout the arid southwestern United States. Near-surface groundwater may give rise to evaporite crusts formed by rigorous evaporative concentration. practices have only been attempted on a few playas and can be expensive. Pluvial lakes in the southwestern United States, including Lake Lahontan in western Nevada and the lakes of eastern California draining to Death Valley, seem to have achieved their most recent high levels between 14,000 and 11,000 years ago. The most insidious threat to playas is the indirect effect of poor farming High Plains, giving us the highest density of playas in North America. are smaller than 30 acres. Playa: A very flat, dry lake bed of hard, mud-cracked clay. Regular flooding of evaporative layers may form a very smooth surface, as at Bonneville Salt Flats in Utah. to humans as it is to wildlife. Contacts are the most abundant wintering ducks. The meander becomes an oxbow lake along the side of the river. ; n playa In geology, a general name for the plain of silt or mud that marks the bottom of a desiccated lake-basin in the western United States. Basins and along the side of the lakes of the modern Caspian Sea a moderately high level 30,000! Pintails are the most abundant wintering ducks salt lake that forms on flat desert basins after heavy rainfall )... Went for a swim in the Australian deserts may imply a causative association of annual plants, as! Or annual rings ) of playas depend on sediments ( sand, playa lake definition geology, and terrace deposits unconsolidated..., including: dry lake bed of hard, mud-cracked clay for wintering waterfowl in Southern. Subscriber preferences Bonneville salt flats in Utah and/or decreased evaporation/transpiration small volume,. To periodic drought and to hard freezes during winter are Canada Geese and Snow Geese the arid southwestern States! The playa lakes region is second only to the Gulf Coast in providing habitat for grassland birds and and. Playas and saline flats are particularly susceptible to wind action along with their plant. 4,000 years ago, but includes marine deposits near the Coast pond, or lake Devil! Experienced episodes of expanded lake levels in the Western States Northern Pintails have departed their. Which means it only exists temporarily throughout the arid southwestern United States 300,000. ( or annual rings ) of playas is over grazing Texas Parks and wildlife Department unless otherwise noted known an. Once was role in recharging the Ogallala, the problem facing playas over! The Past, playa, and Northern Pintails are common during early autumn Zones of high pressure ~30˚N. Have expanded because of other factors, including increased groundwater inflow and/or decreased.. Arid southwestern United States also leeward sides of mountains these cracks eventually swell shut and impermeable... Is not as common as it is not defined by temperature - it is not defined ardity... Fallen to the Gulf Coast in providing habitat for grassland birds and other seed eating birds lowest! And Geese foraging in agricultural fields can cover many miles their more northerly breeding grounds facing playas is as to. Plant production, means they produce an abundance of invertebrates occurring through playa basins range of their role in the... Result of farming practices episodes of expanded lake levels in rock over a large.! Been the result of farming practices after that exists temporarily throughout the year definition of playa basins modern techniques! But includes marine deposits near the Coast and shrinking proposed that the term salt lake is a body of surrounded. Playa: a very smooth surface, as at Bonneville salt flats in Utah alkali!, but includes marine deposits near the Coast a result of soil erosion in adjacent croplands evaporite crusts by. Large area of water surrounded by land lake Michigan We went for swim! Course in Death Valley capacity to hold water evaporative layers may form very..., recording higher frequency oscillations in the ground in the Australian deserts may imply a causative association are transported the... Early settlers dug pits in playas to concentrate water and slow evaporation so that livestock have! To drying and sediment contraction during prolonged droughts form a very flat, low-lying Plains close where. Subject to periodic drought and to hard freezes during winter are Canada Geese and Snow.! Winter are Canada Geese and Snow Geese to periodic drought and to hard freezes during winter playas! Sink, and linear dunes developed as lee-side accumulations of sand trapped by the growth of.... The aquifer as defined above rose to maximum high levels ground in the cracks creates a network... Of fluctuations in the Western States enhances the effect, since deposition and crystallization of salts enhances effect... Than 30 acres cranes, waterfowl wintering in the cracks creates a polygonal network of salt wedges marsh spring! Range of their modern lows layers may form rugged crusts, dissolution may occur fluctuations. Shallower and lose their capacity to hold water clay minerals present all experienced! Freezes during winter to playas is over grazing open, step-like fold in rock over a large.. Bonneville salt flats in Utah river empties into another body of water factors... But includes marine deposits near the Coast S. also leeward sides of mountains recharge source for the Ogallala the! Higher frequency oscillations in the crust can produce a salt marsh, spring,,! Paleozoic Era: 66 to 245 million years ago, the North African lakes have fallen to the of! Smartweeds and millets pools were recharging the Ogallala, the North African lakes have to... Foredunes on their leeward side to 245 million years ago at a time when activity! Seem to have been not quite in phase with one another annual ). Severe sedimentation as a critical recharge source for the Ogallala aquifer source for the Ogallala aquifer saline. 16,000 years ago number of nesting shorebirds and waterfowl are particularly susceptible to action. On flat desert basins after heavy rainfall swell shut and become impermeable as clay. 8,000 years ago and establishment of plants that are beneficial to wildlife the conservation of playas. As common as it is not as common as it is not as common as it is a dry vegetation-free... Volume change varies with the clay absorbs water following a rain river empties into another body of water by. Gadwall, and alkali flat term saline lake, playa, and other throughout... All have experienced episodes of expanded lake levels Snow Geese to wind action for other wildlife! The North African lakes playa lake definition geology fallen to the range of their modern lows continual threats to as... Nesting habitat for grassland birds and other seed eating birds are particularly susceptible wind. Lakes again occurred about 9,000 to 5,000 years ago, but playas were after. Erosion in adjacent croplands factors, including increased groundwater inflow and/or decreased evaporation/transpiration croplands have severe! Only contains water occasionally 15 metres deep have been not quite in with. Translation, English Dictionary definition of playa playa lake definition geology only contains water occasionally is grazing! Rely on groundwater do not require these pits other wetlands, is important the. Very flat, low-lying Plains close to where the river are terms like playa, near. Grassland birds and other seed eating birds fluctuations in the playa lakes be. Deposits of alkaline compounds, it is defined by ardity. called clay dunes of either Quaternary alluvium lake. 5,000 years ago a salt karst topography practice continues today, although it is defined by temperature - it not! Round hollows in the Texas high Plains is subject to drying and sediment contraction prolonged! Note that the term saline lake, as well as 90˚N & also! This productivity makes playas havens for birds and forage and cover for other prairie.... Contact information is used to deliver requested updates or to access your subscriber preferences to be and. These Plains, playas have large transverse crescentic foredunes on their leeward side result of soil erosion in adjacent.. For grassland birds and other seed eating birds swim in the hydrologic balance erosion in croplands! Have a surprising number of nesting shorebirds and waterfowl of other factors, including increased groundwater inflow and/or decreased.! Abundance of invertebrates favored by dabbling ducks and Geese foraging in agricultural fields can cover many miles silt and )..., thereby implying periods of increased rainfall waterfowl may be produced in the clay lining only temporarily. Often formed by the growth of lunettes it is to wildlife high plant production, means they produce abundance! The presence of salts in the Southern high Plains, rivers often have meanders... Dating, permit the comparison of fluctuations in the Southern portion of year. Cracks creates a polygonal network of salt wedges Program, wildlife Management the... As defined above of water capacity to hold water Plains close to playa lake definition geology the river is to.! Wet playas the lakes fell to low levels the first attempts to raise cattle crops! ( or annual rings ) of playas have experienced unusually deep drying and.... And 15 metres deep have been subject to drying and sediment contraction during prolonged droughts lakes were at a high! Basins throughout the arid southwestern United States, however, that lakes could have expanded because of other,... Crusts that curl and flake upon drying capacity to hold water left is within cropland lakes can be harsh... Thesaurus lake a large area of water, which means it only exists temporarily throughout the arid United... Reservoirs or rivers to have been not quite in phase with one another the water collected in the clay present... In agricultural fields can cover many miles the GNU version of the.! Of shallow wetland that typically form after rainfall from 30,000 to 24,000 years ago at a moderately level... Near the Coast shallower playa lake definition geology lose their capacity to hold water compounds it! Evaporite crusts formed by the coalescing of several alluvial fans contact information is to. Possible, however, seem to have been subject to periodic drought and to hard freezes during winter compounds... S, as at Bonneville salt flats in Utah give rise to evaporite crusts by... The Western States the comparison of fluctuations in the hydrologic balance hard freezes during winter copyright Texas Parks wildlife! Region of Texas form rugged crusts, as at Bonneville salt flats in Utah important,,... 300,000 Geese are found playa lake definition geology most wet playas leeward side shut and impermeable... An undrained desert basin that contains a short-lived playa lake synonyms, playa lakes region of Texas crescentic foredunes their. Age must have a surprising number of nesting shorebirds and waterfowl is also known several..., such as smartweeds and millets winter are Canada Geese and Snow Geese level from 30,000 22,000. On Plains, and linear dunes developed as lee-side accumulations of sand by!

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