A DELTA IS AN AREA of land that has been built up at the mouth of a river, where it flows into a quiet body of water, such as a lake or an ocean. { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_topslot' }}, { bidder: 'sovrn', params: { tagid: '446382' }}, The slowing velocity of the river and the build-up of sediment allows the river to break from its single channel as it nears its mouth. "authorization": "https://dictionary.cambridge.org/us/auth/info?rid=READER_ID&url=CANONICAL_URL&ref=DOCUMENT_REFERRER&type=ENTRY_TRANSLATE&v1=english&v2=delta&v3=&v4=english&_=RANDOM", Estuaries are where fresh water (rivers) and salt water (sea) interact. googletag.pubads().setTargeting('cdo_alc_pr', pl_p.split(",")); The size and shape of a delta is controlled by the balance between watershed processes that supply sediment, and receiving basin processes that redistribute, sequester, and export that sediment. userIds: [{ bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '776160', position: 'atf' }}, { bidder: 'sovrn', params: { tagid: '346688' }}, Like the Nile delta, the Mississippi delta is also eroding. { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_SR' }}, A river moves more slowly as it nears its mouth, or end. { bidder: 'ix', params: { siteId: '555365', size: [300, 250] }}, { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_MidArticle' }}, a slope of land adjoining a body of water, or a large elevated area of the sea floor. a nearly flat plain of alluvial deposit between diverging branches of the mouth of a river, often, though not necessarily, triangular: the Nile delta. { bidder: 'ix', params: { siteId: '195464', size: [120, 600] }}, Smaller, finer sediment is carried farther downstream. How Are River Deltas Formed? Information and translations of deltas in the most comprehensive dictionary definitions resource on … Delta, verzweigte Mündung eines Flusses in einen See (Binnendelta) oder Ozean, benannt wegen ihrer Dreiecksform, die dem griechischen Buchstaben Delta (Δ) ähnelt. This river becomes a tributary of the Fly River. { bidder: 'sovrn', params: { tagid: '387232' }}, Deltas synonyms, Deltas pronunciation, Deltas translation, English dictionary definition of Deltas. }; For a delta to form, the flow of a river must be slow and steady enough for silt to be deposited and build up. {code: 'ad_topslot_a', pubstack: { adUnitName: 'cdo_topslot', adUnitPath: '/2863368/topslot' }, mediaTypes: { banner: { sizes: [[300, 250]] } }, activity that produces goods and services. bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162050', zoneId: '776336', position: 'btf' }}, bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '1666926', position: 'btf' }}, { bidder: 'onemobile', params: { dcn: '8a9690ab01717182962182bb50ce0007', pos: 'cdo_topslot_mobile_flex' }}, { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_btmslot_300x250' }}, { bidder: 'appnexus', params: { placementId: '11654156' }}, iasLog("criterion : cdo_ei = delta"); The Nile delta is also shrinking as a result of the Aswan Dam and other river management techniques. : deposited material divides the river is deposited when it meets a standing body of water making the river smaller. 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