滯積砂 的英文怎麼說
中文拼音 [zhìjīshā]
滯積砂
英文
lag sands-
The sediments of the incised valleys show an upward - fining succession, and can be grouped into four sedimentary fades : gravel lag - deposit of in - channel to partly over bank sediments of a meandering river, flood plain - estuary, estuary - shallow marine, and estuary sand bar, based on lithology, paleontology, and sedimentary textures and structures
根據巖石學、沉積結構和沉積構造特徵,本區下切河谷充填沉積物具有向上變細的沉積層序,可以劃分為4個沉積相類型:河床滯留沉積物到部分曲流河沉積體系的邊灘沉積、河漫灘河口灣沉積、河口灣淺海沉積和河口灣砂壩沉積。The deepest relief along the bar is on the shoreward side where it is backed up by a lagoonal channel.
砂洲上最陡峻的地形位於瀉湖水道積滯處的向濱一側。The alternative changes of paleoenvironment favored the formation and imbedding of brine, which is the source of salt - water intrusion ; and the paleochannel that formed during regressive of sea level is the path of salt - water intrusion
海進時期,大面積的濱海平原被淹沒,在近海平原窪地滯留的海水經過蒸發、濃縮變為鹵水,成為鹹水入侵的物源;海退後陸源碎屑在濱海地區沉積形成了巨厚的古河道砂層。The region and the earth surface across this road are mainly water above ground and run - off and the ground water is mostly made up of groundwater and perched water ; the river bed is more obvious ; the overbank is covered by medium sand and gravel ect
路線所經地帶地面主要為地表水和徑流,地下水主要以潛水和上層滯水為主,河床較明顯,河灘覆蓋中砂、礫石等。地勢低洼地帶地表常年積水,影響路基穩定。分享友人