{ bidder: 'ix', params: { siteId: '195451', size: [300, 50] }}, Thank you for suggesting a definition! enableSendAllBids: false, Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree.... Satellite image of a river's large alluvial fan between the Kunlun and Altun ranges, Uygur Autonomous Region of Xinjiang, western China. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_Billboard' }},

Even in tectonically active mountains, climate can be a strong influence in alluvial fan development, as has been demonstrated in parts of the Himalayas. The present study confirms the former existence of a northern, It seems more likely that they are the result of strong northwest winds distributing ash from nearby volcanic explosions over an, Quaternary surficial deposits are present along both rivers as alluvium, terrace gravels and, These processes led to a transformation of the original surface relief in whose wake an, The first creek bed was created around 13,000 years ago when climate change formed the creek on a large active, The steep coast was indeed successfully protected, but there were still cliff collapses, due to weather conditions, that formed a large, This upper pocket groundwater complex feeds down-basin, A breach that forms a crevasse splay deposits sediments in similar pattern to an, Many catchments released multiple debris flows, some of which carried large boulders and tree trunks onto the, The river reverted from the prescribed western channel to an old channel near the centre of its, The lake is fed by meltwater and is bounded to the west by an.

{ bidder: 'appnexus', params: { placementId: '11654157' }}, googletag.pubads().disableInitialLoad(); googletag.pubads().setTargeting("cdo_tc", "resp"); Alluvial fans are common in the geologic record, but may have been particularly important before the evolution of land plants in the mid-Paleozoic.

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'min': 8.50, googletag.pubads().addEventListener('slotRenderEnded', function(event) { if (!event.isEmpty && event.slot.renderCallback) { event.slot.renderCallback(event); } }); { bidder: 'sovrn', params: { tagid: '346693' }}, }], var mapping_topslot_a = googletag.sizeMapping().addSize([746, 0], []).addSize([0, 550], [[300, 250]]).addSize([0, 0], [[300, 50], [320, 50], [320, 100]]).build(); },{ { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_leftslot_160x600' }}, Deposits from alluvial fans form thick, fault-bounded prisms. Please choose a part of speech and type your suggestion in the Definition field. The word in the example sentence does not match the entry word. "loggedIn": false 'increment': 0.05, 'buckets': [{

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var pbMobileLrSlots = [ The facies includes alluvial fan, fan - delta, offshore lake, shallow lake and deep lake facies. The main sedimentary system include if(pl_p) Many fans in humid areas are actually fossil features created during earlier periods of intense erosion and deposition. var pbDesktopSlots = [ { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_MidArticle' }}, bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162050', zoneId: '776358', position: 'atf' }}, { bidder: 'openx', params: { unit: '539971066', delDomain: 'idm-d.openx.net' }}, }] { bidder: 'ix', params: { siteId: '195451', size: [300, 50] }}, Examples of how to use “alluvial fan” in a sentence from the Cambridge Dictionary Labs expires: 60

googletag.cmd = googletag.cmd || []; iasLog("criterion : cdo_dc = english"); var pbMobileHrSlots = [ bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '776140', position: 'atf' }}, River sands today form shoestring-shaped bodies, tens of metres thick, a few hundred metres wide, up to 60 kilometres or more long, and usually oriented perpendicularly to the shoreline. {code: 'ad_topslot_b', pubstack: { adUnitName: 'cdo_topslot', adUnitPath: '/2863368/topslot' }, mediaTypes: { banner: { sizes: [[728, 90]] } },

name: "pbjs-unifiedid", Alluvial fans are of practical and economic importance to society, particularly in arid and semiarid areas where they may be the principal groundwater source for irrigation farming and the sustenance of life. bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162050', zoneId: '776336', position: 'btf' }}, iasLog("criterion : sfr = cdo_dict_english"); 'pa pdd chac-sb tc-bd bw hbr-20 hbss lpt-25' : 'hdn'">.

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{ bidder: 'ix', params: { siteId: '195464', size: [300, 600] }}, In arid and semiarid regions, this is either an irregular or seasonal process driven by strongly seasonal rainfall or rapid snowmelt. storage: { 18 sentence examples: 1. userIds: [{ var pbAdUnits = getPrebidSlots(curResolution); { bidder: 'openx', params: { unit: '539971065', delDomain: 'idm-d.openx.net' }}, googletag.pubads().setTargeting("cdo_l", "en"); 'cap': true 'cap': true Let us know if you have suggestions to improve this article (requires login). { bidder: 'ix', params: { siteId: '194852', size: [300, 250] }}, googletag.enableServices(); }); { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_topslot' }}]},

This fan, though, is much too large to have been constructed by present-day rivers. googletag.pubads().enableSingleRequest();

storage: { { bidder: 'sovrn', params: { tagid: '387233' }}, pbjs.que = pbjs.que || []; name: "_pubcid", } Usage explanations of natural written and spoken English, 0 && stateHdr.searchDesk ? { bidder: 'ix', params: { siteId: '195467', size: [300, 250] }}, { bidder: 'sovrn', params: { tagid: '346693' }}, In addition, the braided distributary channels also perform some sorting, laying shallow sheets of sand and silt over the surface of the fan, while coarser sands and gravels are laid down in the main channels where water tends to flow more quickly. googletag.pubads().setTargeting("cdo_pt", "ex"); { bidder: 'sovrn', params: { tagid: '446381' }},