braided river 中文意思是什麼
braided river
解釋
多支汊河流-
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。 -
According to the regional geology and the character of the lithofacies and well - logging facies, 4 kinds of sedimentary facies and 3 kinds of depositional system : marine system, delta system and fluvial system have been identified. the sedimentary facies of taiyuan formation is marine faceis, up to sanxi formation, the sedimentary facies is delta facies, the xiashihezi formation hel and he2 member are braided river facies, he3 member is meandering river facies. the mains types of sandstone of taiyuan formation are lithic quartzarenite and quartzarenite ; the mainly types of sandstone of sanxi formation and xiashihezi formation is litharenite
通過對20餘口井2000多米巖心的觀察和對40幾口井的測井數據解釋、對比，在研究區目的層段識別出了12種基本巖相和9種測井相類型，在區域沉積背景和單井相劃分的基礎上，根據巖相和測井相組合特徵，在太原組?下石盒子組劃分出4種沉積相和若干沉積微相，並進一步劃分為3類沉積體系：濱淺海沉積體系、三角洲沉積體系和河流沉積體系。 -
From paleocene to miocene, the sedimentary facies evolved from the extensive alluvial fan to the braided fluvial river environment
從古新世到中新世，柴達木盆地北緣經歷了由大規模沖積扇沉積到辮狀河沉積的演化過程。 -
The sedimentary systems were alluvial fan - braided fluvial river - lacustrine depositional systems during the paleocene - eocene, and braided fluvial river - lacustrine depositional systems during the oligocene - miocene
古新世始新世發育沖積扇辮狀河湖泊沉積體系，漸新世中新世發育辮狀河湖泊沉積體系。 -
Furthermore, sorting of the sandstones in the braided river is better compared with that of in the meandering river system. in the same subfacies, grain size is larger and sorting is better in the channel sandstones which developed with large - scale cross - beddings such as trough cross - bedding, compared with sandstones in the flood microfacies. in the same microfacies, better sorting and coarser grained sandstones are distributed in the middle and lower part of the unit
與曲流河亞相相比，辮狀河亞相砂巖的粒度較粗，分選性較好，砂體多次疊置而規模更大；相同河流亞相的河道微相與泛濫平原微相相比，前者的砂巖粒度較粗、分選性較好，發育槽狀交錯層理等大型層理構造；在同一微相內，處于中下部的流體單元其粒度較粗，分選較好。 -
Northeast faults control the spread of the anhui riverway, and eastwest faults resulted in the widening of the river and the occurrence of nodes, then the stream raised and the riverway turn into goose pattern braided river. northwest faults and northsouth faults influence the evolvement of partial riverway, for example, the northwest lujiang - zhongming fault influence the evolvement of tongning shoals, and the northsouth faults passing through zongyang - digang make the riverway ' s direction from north - east to north - south
北東向斷裂構造控制了皖江河型的展布；東西向斷裂構造影響河道的拓寬，形成磯頭，磯頭挑流進一步使河道形成穩定的鵝頭型；北西、南北向斷裂影響局部河道的發育演變，如北西向廬江-鐘鳴斷裂影響銅陵沙洲的發育演變，南北向斷裂影響樅陽、銅陵、獲港河道使其延伸方向由北東轉向南北向。 -
The lower part of formation, that is, 6 - 7th sand group, with the deposition of braided river is different with the upper, l + 2 - 5th sand group, which belongs to deposition of meandering river
埕島油田館上段下部6 ? 7砂組為辮狀河沉積，上部1 + 2 ? 5砂組為曲流河沉積。 -
Delta deposits of braided river from shahejie formation, lower tertiary in bonan sag
渤南窪陷下第三系沙河街組辮狀河三角洲沉積 -
Fan deltas distributed in gently slopes and braided river deltas develop alternately in all stages
在整個湖泊階段，緩坡的扇三角洲和辮狀河三角洲砂體交替出現。 -
Braided - river delta of the taiyuan formation of the upper carboniferous in the hulusitai area of inner mongolia
內蒙葫魯斯太上石炭統太原組辮狀河三角洲沉積 -
On the basis of the framework of chronostratigraphic sequence and the analysis of well - log, seismic section, the paper studied types and the distribution of sedimentary facies. three types of sediment can be identified : braided river delta systems mainly formed on the south slope. little - sized turbidit fan mainly formed in the middle deep area and dan delta mainly formed on the north slope of the depression
在等時層序地層格架的基礎上，通過測井、地震資料分析，對凹陷沉積相的類型及空間分佈進行了研究，研究表明南坡主要發育辮狀河三角洲體系，深窪區發育小型濁積扇體系。北坡主要發育扇三角洲相。 -
Chang - 2 oil - bearing beds of the yanchang formation, which is one of the most important oil - producing beds in the area, is mainly composed of braided river deposits with the meandering river existed only in the restricted northwest part of yanchang
延長地區上三疊統長2油層組是一套發育于淺水臺地背景之下的陸源碎屑巖沉積，以辮狀河河流相沉積為主，曲流河沉積僅在研究區西南角小面積分佈。 -
At the beginning of tiaohu period, the lake basin shrank, and the water became shallow. braided river facies and braided delta facies were found on both side of the basin, and deep lake facies disappeared, and shallow lake facies was only found in the southern of tiaohu seg and central part of malang seg
從中二疊世條湖期開始，湖盆發生萎縮，水體變淺，盆地南北兩側出現辮狀河及辮狀河三角洲相沉積，半深湖相消失，僅在條湖凹陷南緣及馬朗凹陷中部殘余濱淺湖相沉積。 -
The border facies did not appear at the south edge of tiaohu seg. in the basin, the braided river facies and braided delta facies were only found at the foot of chahaquan palaeohigh in the west - south edge of the basin, the meandering delta was found from mazhong structural belt to fangfangliang horseback, and the other area were found covered by the shallow and fairly deep lake facies
條湖凹陷南緣蘆草溝組未見邊緣相沉積；岔哈泉古隆起處見少量辮狀河相及辮狀河三角洲相沉積；方方梁凸起東部至馬中構造帶發育曲流河三角洲相；其餘地區則均為濱淺?半深湖相沉積。 -
The fluvial sediments of the neogene in the nanpu 35 - 2 area of central bohai gulf are well - developed and can be divided into two types as meandering river sediments and braided river sediments
摘要渤海灣中部南堡35 - 2地區新三系河流沈積十分發育，可分?曲流可沈積和辮狀河沈積兩種類型。 -
There are two types of sedimentary facies in this region : the alluvial fan and the braided fluvial river
結綠素紅山地區古新統至中新統發育2種沉積相類型，即沖積扇和辮狀河。 -
Deposition modes of shallow braided river delta in sangonghe formation of jurassic in baolang oilfield
寶浪油田侏羅系三工河組淺水辮狀河三角洲沉積模式研究 -
Impact of flood events from different source areas on channel transects adjustment at the wandering - braided reach of the lower yellow river
不同來源區洪水對黃河下游游蕩河段河床橫斷面形態調整過程的影響 -
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。 -
Study on flow resistance transverse distribution in braided river
游蕩型河道阻力沿河寬分佈的研究
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