delta plain 中文意思是什麼
delta plain
解釋
三角洲平原-
Sediment deposited by flowing water, as in a riverbed, flood plain, or delta
沖積層河床、洪水淹沒的平原或三角洲中的流水淤積所產生的沉積層 -
From sedimentology symbol such as rock assembled, sediment gradus, sandstone grading analysis, protogene sedimentary structure, ichnofossile and logging facies etc and palaeoenvironment background, it is confirmed that shen84 - an12block s34 segment is braid river delta system, not fan delta system ( abrupt slope ). then it can be more partition as braid river delta plain sedimentary assembled, delta front sedimentary assembled and prodelta sedimentary assembled on core and log assembled. and delta plain sedimentary assembled can be identified four microfacies : braided distributary channel, crevasse splay, overbank deposits and interdistributary bay
沉積微相研究是儲層非均質性研究的基礎，研究區有豐富的巖芯資料和測井資料，通過巖石組合、沉積韻律，砂巖粒度分析、沉積構造、古生物遺跡和測井相等沉積學標志，結合古環境背景，確定沈84 ?安12塊s _ 3 ~ 4段為辮狀河三角洲體系，而不是前人所認為的扇三角洲（陡坡型）體系，在巖芯和測井組合上可進一步劃分為辮狀河三角洲平原沉積組合、三角洲前緣沉積組合和前三角洲沉積組合，其中三角洲平原沉積組合又可識別出辮狀分流河道、決口扇、分流河道邊部和分流間灣四種微相類型；三角洲前緣沉積組合識別出水下分流河道、水下分流河道邊部和分流河口壩三種微相。 -
The south part was slope and deep floor of the lake, and the north part was a broad shallow - water platform of the latchstring shore. in the north part, chang - 6 and chang - 7 oil - bearing beds of yanchang formation were typical shallow - water platform delta with an incomplete progradational sequence, in which the delta plain facies were well developed and the river - mouth bars were not developed
受沉積基底地形的嚴格控制，發育于淺水臺地背景上的延長組長7 ?長6油層組表現出典型的淺水三角洲沉積特徵，具有發育的三角洲平原沉積，而前緣河口壩不發育，剖面上難以形成完整的進積序列。 -
The variations in trace element contents and ratios may hold up a mirror to the lake - level fluctuations and climatic changes, which, in turn, have exerted a direct and important effect on the sequence stratigraphic development. collectively, the reservoir rocks from the yanchang formation consist dominantly of the delta front subfacies subaqueous distributary channel and channel - mouth bar microfacies and delta plain subfacies subaerial distributary channel microfacies fine - grained feldspar sandstones and siltstones. the reservoir rocks have been subjected to three stages of diagenetic and porosity evolution : ( 1 ) the porosity reduction by the mechanical compaction and chemical pressure solution during the early diagenetic stage ; ( 2 ) the porosity increase by the dissolution during the a substage of the late diagenetic stage, and ( 3 ) the porosity reduction by the cementation and filling during the b substage of the late diagenetic stage
系統的儲層特徵研究表明，該區延長組儲層成因類型主要為三角洲前緣水下分流河道、河口砂壩及三角洲平原水上分流河道微相細粒長石砂巖、粉砂巖；儲層巖石經歷了壓實，膠結，溶蝕等成巖作用，歷經早成巖機械壓實和化學壓溶孔隙縮小期、晚成巖a亞期溶蝕作用孔隙擴大期及晚成巖a亞期（ b亞期）膠結充填孔隙縮小期三個成巖-孔隙演化階段；儲層物性總體上具有較低孔滲、低孔滲的特點，孔隙類型主要為粒間溶孔、殘余粒間孔隙、粒內溶孔、晶間孔及晶間溶孔，裂縫不發育，儲集巖排驅壓力和中值壓力較高，孔隙結構類型以細小孔-微孔隙，微細喉-微喉型為主。 -
The rock types comprise the delta front subfacies subaqueous distributary channel, channel - mouth bar and distal bar microfacies, and delta plain subfacies subaerial distributary channel microfacies sandstones and siltstones. as for the reservoir quality, the subaqueous ( subaerial ) distributary microfacies channel sandstones are the first, the channel - mouth bar microfacies sandstones come second, the distal bar microfacies sandstones is the third, and the last one is the interdistributary bay microfacies sandstones. the intense compaction, pressure solution and late carbonate cementation are responsible for the reduction of the porosity and permeability of the reservoir rocks
三角洲前緣水下分流河道、河口砂壩、遠砂壩及三角洲平原水上分流河道微相決定了儲集巖的發育，分佈及原始物性條件；水下（上）分流河道微相砂體厚度大、物性和孔隙結構好，次之為河口砂壩微相砂體，遠砂壩微相砂體儲集性較差，而分流伺灣微相砂體物性和孔隙結構最差。 -
And the delta genetic unit includes distributary channel, distributary bay, small lake of delta plain, swamp, distributary estuary bar, frontal delta mud and sandy density flow and so on. the fluvial system is composed of channel, channel side and flooding basin
其成因相包括分流河道、決口扇及決口河道、分流間灣、三角洲平原小型湖、沼澤、分流河口壩、前三角洲泥及砂質重力流等；該區河流體系由河道、河道邊部及泛濫盆地等沉積組合構成。 -
From the beginning of sq9 ' s development, the sedimentary environment turn to be lake basin bog. with water becoming shallow, coal seam appeared in lowstand system tract, delta plain and delta front are the main sedimentary bodies in highstand system tract
從層序9開始，水體開始變淺，向湖沼環境過渡，低水位體系域和水進體系域出現了煤線，高水位體系域以三角洲平原及三角洲前緣沉積為主。 -
The deposits in shanxi stage are, from north to south, alluvial fans, braided stream, meandering stream, delta plain, delta front and littoral sediments
山西期由北向南依次發育沖積扇、辮狀河、曲流河、三角洲平原、三角洲前緣和濱淺湖沉積。 -
On the plain facing shanghai across the changjiang river and situated in the golden delta of the changejiang river, there is a beautiful city - nantong
在長江金三角與大上海隔江相望的江海平原上，有一座美麗的城市? ?南通。 -
Geographically, jiangmen municipality is located in an alluvial plain in river delta, with low hills dotted crisscrossed rivers and fertile soil
江門市屬河流三角洲沖積平原，低山丘陵錯落其間，河網縱橫，土地肥沃。 -
The distributary channel microlithofacies evolution characteristics is studied with markov chain ' s analysis method, which lies in the shelf delta plain of dongzakou group of later carboniferous epoch in lixian county, gansu province
摘要採用馬爾柯夫鏈分析方法研究了甘肅禮縣地區晚石炭世東扎口組的陸架三角洲平原分支流河道微相演化特徵。 -
In a way, the evolution to upward of distributary channel microlithofacies in shelf delta plain of later carboniferous epoch in this area is repeatedly and rapidly, and every time is a normal grading change from coarse to thin, at last it evolve into marshy deposit
應用馬爾柯夫鏈分析方法得到的結果是，本區石炭統上段礫石質三角洲平原分支流河道的微巖相旋迴的向上演化，是重復而迅速的，每次都是由粗到細的正旋迴，最後演化為沼澤沉積。 -
A brief assessment of carbon sequestration effects of conservational farming systems in paddy soils of yangtze delta plain
長江三角洲水田保護性耕作制度的碳收集效應估算 -
Furthermore, sixteen sedimentary subfacies are identified. respectively, the sedimentary subfacies are delta plain, delta front, prodelta, braided delta plain, braided delta front, braided prodelta, coastal lake, saucer lake, tidal flat, barrier island, lagoon, carbonate continental shelf, muddy continental shelf, open platform, local platform and evaporate platform
並進一步識別出16種沉積亞相，分別為：三角洲平原、三角洲前緣、前三角洲、辮狀河三角洲平原、辮狀河三角洲前緣、前辮狀河三角洲、濱湖、淺湖、潮坪、障壁島、瀉湖、碳酸鹽陸棚、泥質陸棚、開闊臺地、局限臺地和蒸發臺地。 -
Lake delta depositional systems appear from lower permian shanxi to middle permian xiashihezi phase, braided river delta in shanxi phase with delta plain subfacies sedimentary deposit, and so early xiashihezi, meandered river delta plain subfacies in later xiashihezi group
（ 2 ）下二疊統山西組中二疊統下石盒子組為湖泊三角洲沉積體系，其中山西期為網（ braided ）狀河湖泊三角洲，以三角洲平原亞相沉積為主，下石盒子組早期也為網狀河三角洲、晚期為曲流河三角洲平原沉積。 -
And there are three parfacies - - delta plain, delta front and prodelta and eleven microfacies which are distributary channel, channel bar, marginal bank ( point bar ) and so on. the text also discuss the sedimentary characteristic and cross section structure of every microfacies
識別出三角洲平原、三角洲前緣和前三角洲3個亞相及分流河道河床、心灘、邊灘等11個微相類型，並對各微相類型的沉積特徵和剖面結構進行了討論。 -
Furthermore, eleven sedimentary subfacies are identified. respectively, the sedimentary subfacies are delta plain, delta front, prodelta, braided delta plain, braided delta front, braided prodelta, fan delta plain, fan delta front, fan prodelta, saucer lake and deep lake
並進一步識別出11種亞相，分別為：三角洲平原、三角洲前緣、前三角洲、辮狀河三角洲平原、辮狀河三角洲前緣、前辮狀河三角洲、扇三角洲平原、扇三角洲前緣、前扇三角洲、淺湖和深湖。 -
The deposital system was composed of three whole deposital association including delta plain, the front of delta and frontal delta
其中該三角洲體系由三角洲平原、三角洲前緣和前三角洲三個完整的沉積組合構成。 -
There are three deltaic types developed in lacustrine strata, i. e., normal, braid and fan deltas, which consist of delta plain, delta front and front delta
摘要在湖泊中存在三種三角洲類型，即正常三角洲，辮狀三角洲和扇三角洲。 -
During the early stage of middle permian, the studied area is dominant, from north to south, of alluvial fans, braided stream, braided delta plain, braided delta front and littoral deposits, while the extension of sedimentary facies belts in the middle and the late stage of middle permian is as the same as that of shanxi stage
中二疊世早期，研究區由北向南依次為沖積扇、辮狀河、辮狀河三角洲平原、辮狀河三角洲前緣和濱淺湖所佔據。中二疊世中晚期，沉積相帶展布順序與山西期相同。
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