alluvial area 中文意思是什麼
alluvial area
解釋
沖積區-
The elementary idea of the reference units method can be described as follows : firstly, by the setting of double series of reference units, we can control the highest and lowest land quality class of each village or town ; secondly, the class of the arable land will be get through the contrast between the arable land with the reference unit which has been selected in the same area, the difference in quality is the key factor to classify the land. the results show, 87. 6 % of the lands from i to iii distribute on alluvial and lacustrine plains, where the associated soils are mainly grey fulvo - aquic and calcareous concretions black ones. and 61. 4 % of them from iv to vi distribute on slightly rolling parts with mainly yellow - cinnamon soil developed from the diluvial and slope deposits
分等結果表明：臥龍區等的耕地中，有87 . 6分佈在沖積、湖積平原區，主要土壤類型是在河流沖積物上發育形成的灰潮土、在湖相沉積物上發育形成的砂姜黑土；等耕地中，有61 . 4分佈在壟崗區，主要土壤類型是洪坡積物上發育形成的黃褐土：而、等耕地集中分佈在丘陵區，主要土壤類型是殘坡積物上發育形成的粗骨性黃褐土，等別結果分佈總體上體現了不同地貌類型、土壤條件下耕地質量的差異。 -
The study area is composed of sandstone & conglomerate reservoir of alluvial fan & fan delta, which belong to sha3 lower member and sha4 upper member of lower tertiary of yong " an town oilfield in dongying depression. the target stataum develops in the hanging wall of the synsedimentary fault in the scarp zone of dongying depression. the frequently intense movements result in the variation of sandstone and conglomerate reservoir and the evolution of the time and space of sha3 lower member and sha4 upper member in yong " an town oilfield
研究區是東營凹陷永安鎮油田沙三下段、沙四上段的沖積扇和扇三角洲砂礫巖體，目的層發育在東營凹陷陡坡帶同生斷層的下降盤，因斷層多期強烈活動，導致永安鎮油田沙三下段、沙四上段的砂礫巖體成因類型多，時空演化變化大，在扇根一帶小層對比難度大，給油田開發帶來很大的難題，在這種背景下進行流動單元研究難度更大。 -
Besides, the sedimentary facies of upper ganchaigou and lower ganchaigou formation were also mapped in supersequences which are the main target strata for exploration. the high resolution sequence stratigraphic framework showed the genetic relationship between the distributions of sedimentary facies and their tectonic settings. the near - source sedimentary systems such as subaqueous alluvial fan and lake - floor fan are often deposed in rise - hemicycles in the steep slope background in the north, the coarse lithology of fan - delta prograded from north to south in fall - hemicycles, and the braided stream facies are formed in the rise - hemicycles in gentle slope background in the south, braided stream facies prograded from sorth to north in the fall - hemicycles, but the lacustrine facies and salt lake facies developed in the middle part of the area
詳細的沉積相研究發現，紅獅地區第三系發育有沖積扇、水下沖積扇、河流、三角洲、扇三角洲、湖泊和湖底扇7種主要沉積相類型，並對作為區內主要勘探目的層系的下乾柴溝組和上乾柴溝組進行了以超層序為單位的沉積相平面編圖，以較高的時間解析度揭示了區內沉積相帶的平面展布及其在不同構造背景中的分佈規律，比如在北部的凹陷陡坡背景下，上升半旋迴低水位期通常發育有水下扇、湖底扇等陡岸近源特徵的沉積體系，下降半旋迴高水位期，扇三角洲相粗碎屑巖由北向南進積;在南部的凹陷緩坡背景下，上升半旋迴主要發育辮狀河流相，下降半旋迴辮狀河三角洲相由南向北進積;而中部紅柳泉一獅子溝一帶則為湖泊相沉積和鹽類沉積。 -
6 diversity fragmentation and evenness of ecological landscape in fukang increase with more utilization and development. the change of landscape pattern about land utilization is mainly area variation of plantation and wasteland in pluvial fan and alluvial plain, the key influence factors are the dynamic of soil moisture and salinity under the development of water and land resource
6 、在阜康各景觀帶中，隨人為開發利用程度的增強，景觀多樣性、破碎度和均勻性增加；荒漠綠洲土地利用景觀生態格局的變化，集中體現在位於洪積扇與沖積平原的耕地和荒地面積變動上，關鍵影響因子是水土資源利用下的土壤水鹽動態變化。 -
The sedimentary facies of the jurassic penglaizhen formation in the studied area can be described as follows : from the edge of the basin, the source of deposition, to the center of the sedimentation are alluvial fan facies fluvial facies fan delta facies delta facies lake facies and lake floor fan facies in turn
研究區侏羅世蓬萊鎮期沉積盆地的沉積相類型分佈，從盆緣近物源區至盆地沉降-沉積中心區依次為沖積扇、河流相、扇三角洲相、河控三角洲相、湖泊相和湖底扇相等沉積體系。 -
The sedimentary facies of sihetun area may be divided into alluvial - fluvial, shore - lacustrine, semi - deep and deep lacustrine ; while those in yixian area can be classified into alluvial - fluvial, fluvial, shore - lacuatrine and lacustrine facies
四合屯地區的沉積相可以劃分為沖積扇河流相、濱湖相、半深深湖相；義縣地區沉積相可以劃分為沖積扇河流相、河流相、濱淺湖與湖相。 -
Near the faulty step - break, low stand system developed, and some sediment system distribute broad, such as alluvial fan, low stand wedge, low stand fan, and so on. the sand body can form not only the trap of dying out upward and sand lens, but also fault - iithology trap. the study shows that fault - lithology trap is most important trap style in study area especially sha - 3 formation
斷階坡折附近是低水位體系域發育的重要場所，常發育沖積扇、沖蝕作用的下切河道以及低水位楔狀體、低水位扇體等沉積體系，這些砂體不僅具有形成上傾尖滅或砂巖透鏡體圈閉的條件，而且可形成斷層?巖性圈閉。 -
It is suggested that the distribution of the depositional systems and the depositional facies have the clear characteristic that in the north of the research area, the alluvial fan sediment, the fluvial system and the delta system are the main styles of the depositional system, towards to the direction of basin the lacustrine, the barrier, the carbonate ramp system become the main depositional systems
受海平面升降變化控制，區內沉積體系和沉積相的分佈具有明顯的分帶性，北部靠近源區以沖積扇或河流及三角洲沉積為主，向盆地方向以湖泊或海岸障壁-瀉湖、碳酸鹽緩坡沉積為主。中二疊世北部源區發生構造抬升，當時古氣候逐漸乾燥，成煤環境結束，沉積物以陸相河流、湖泊三角洲占優勢。 -
After integrated studies on sedimentary facies and geochemical character in this area, it is concluded that the oil and gas reserves in this district are mainly controlled by fans such as fan - detal, denthic fans and alluvial fans. and that pool foration in the area under study is of multi - phase character
在綜合研究沉積相和油藏地球化學的基礎上，得出西北緣的油氣儲量主要受扇體（扇三角洲、水下扇和沖積扇）控制，並且具有多期成藏特徵的認識。 -
The biomarker characteristics of these two types of viscous oils are distinctive. oil source correlation results show the altered viscous oils were generated from the es3 source rocks and subsequently suffered biodegradation, oxidation and water washing effects near the surface. there exists huge thick alluvial glutinite in luojia - kenxi area, with various physical properties
兩類稠油生物標志物組成也有明顯的差異，次生稠油主要由來源於沙三段源巖的正常原油（稀油）經生物降解、地表氧化、水洗等次生作用形成的，並且成熟度指標相對較高。 -
Thirdly, the location of ringed mountains belongs to alluvial plain of pearl river delta and west brim of east guangdong foothills, but widely spread many mineral water source including multiple rare elements, which make this areas become producing area of high qualified mineral water
再者，環形山所在地區屬珠江三角洲沖積平原和粵東丘陵地區的西部邊緣，但卻廣泛分佈著許多含有多種珍稀元素的礦泉水源，使這一地區成為優質礦泉水豐產地。 -
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。 -
The results show that there are many sedimentary facies in cretaceous of study area, such as alluvial fan with disorderly deposits, river with positive cycle, delta with middling maturity of petro composition and texture, and coastal and shallow lake sub - facies with deposits of thin multilateral mottle sand and shale
結果表明，研究區白堊系主要發育的沉積相類型有：雜亂堆積的沖積扇相；縱向上呈粒度向上變細的河流相；中等成分成熟度和結構成熟度的三角洲相；雜色砂泥巖呈薄互層沉積的濱淺湖亞相。 -
Most of the area is alluvial plain, with waterways crisscrossing. the land is fertile, rainfall plentiful, the climate mild, with spring present all year round
境內絕大部分是江河沖積的平原，河涌交錯，土地肥沃，氣候溫和，雨量充沛，四季常春。
分享友人