堰塞湖 的英文怎麼說
中文拼音 [yànsèhú]
堰塞湖
英文
barrier lake-
Not far from leng shui keng is chutzuhu " bamboo lake ", where a lake was created in prehistoric times when a volcanic eruption sent debris rumbling into a valley, where it dammed up a stream. chutzuhu in recent years has become noted for its many flowers, especially the calla lilies that bloom every year from december
冷水坑附近的竹子湖是火山堰塞湖，近來成為花卉栽種區，每年的十二月起是海芋盛開的季節，朵朵素白色的花朵在錯落的梯田上形成一片花海，一陣淡淡的霧氣飄過，疑似人間仙境。The power station is situated in the area of 8 earthquake fortified zone, the fourth sand layer are probably liquefied and the second sand layer are not liquefied in the situation of 7, 8 earthquake. however the security index of anti - liquefying of second sand is not very high in the situation of 8 earthquake
地基中間隔存在第和第層兩層淺灰黃色砂層，均系堰塞湖相沉積物，電站處於8地震設防區，在7 、 8地震情況下第層砂層均有液化的可能；第層砂層均不液化，但在8地震情況下砂土抗液化的安全系數不高。( 5 ) by analyzing the terrace in the lacustrine sediment of the ancient barrier lake, diexi, minjiang river, forming of the terrace is not only because of the intermittent arising of the tectonic movement, but also because of descend of the eroding normal covering resulting from destroying of the barrier lake
（ 5 ）通過對岷江疊溪古堰塞湖湖相沉積中的河流階地分析可知，階地的形成不僅僅是由於新構造運動的間歇性抬升作用，由於堰塞湖的潰決引起洪水下泄，導致河流侵蝕基準面的下降也可以形成階地。( 4 ) by five terraces surrounding the ancient barrier lake, presuming that destroyed process of the ancient barrier lake is at least divided into five phases at the time span of two thousand years to three thousand years, and it reflects the five times flood in the course of the destroying of the ancient barrier lake
（ 4 ）依據古堰塞湖湖相沉積中存在的五級階地，說明古堰塞湖至少分為明顯的五個階段突發性消亡的，消亡的平均周期為2 3千年，並且反映了古堰塞湖消亡過程中五次洪水事件的發生。By studying the ancient barrier lake sediments, this paper mainly probes into the ancient climate evolution rule of more scale and less from twenty - two thousand to ten thousand years before present, diexi, minjiang river. moreover, influences to lower reaches of minjiang river is simply discussed because of die out of the ancient barrier. the using correlative theories in this thesis are mc chronology, sedimentology, isotope geology, environmental geology, geomorphology
本論文運用~ （ 14 ） c年代學、沉積學、同位素地質學、地貌學等學科的有關理論，通過對岷江疊溪古堰塞湖湖相沉積物的研究，採用沉積物碳酸鹽碳氧同位素等多環境代用指標，研究岷江疊溪地區距今約22千年10千年古氣候演化規律，討論了古堰塞湖形成演化過程與地質環境的相關性。The implying environmental substitute indicators are carbonate carbon and oxygen isotopes and so on. the main conclusions drawn from this paper are as follows : ( 1 ) the ancient climate evolution, from twenty - two thousand to ten thousand years before present, diexi, minjiang river, is from dryness to wetness and can be divided into six phases and two periods by analyzing the ancient barrier lake sediments through multi - environment indicators, and its evolution cycle is three thousand years or so
主要得出以下幾點結論： （ 1 ）通過利用多環境代用指標對岷江疊溪古堰塞湖沉積物的綜合分析得出，岷江疊溪地區距今約22千年至10千年間的古氣候經歷了乾旱濕潤乾旱的演化過程，演變周期大約為3千年，並將其劃分為六階段、兩時期。( 3 ) the forming wrapping structure because of interlayer between silt and clay at the transition part from the fourth layer to the fifth layer in the sediments section. according to this, intense change of the geoenvironment in this area at the period of filling up of the ancient barrier lake is presumed
（ 3 ）通過在沉積物剖面的第四層到第五層過渡的部位可以看到粉砂土層和粘土土層相互滲透而形成的包卷構造，推測古堰塞湖淤積時期內該區域的地質環境發生了重大改變。In the 4 7 century, the water resources from kongqiu river was cut off because of old kongqiu river changed channel resulted from landslip on upper reaches. the old city had to discard
公元4 7世紀間，古城上遊河段曾先後兩次發生河岸滑坡堵塞河水，形成堰塞湖，導致孔雀河改道，從而徹底斷絕了維系樓蘭古城生命的唯一水源，古城不得不被廢棄而且無法復興。分享友人