sandy deposit 中文意思是什麼
sandy deposit
解釋
砂質沉澱物-
Setenaly according to the analyses from selected profiles, we know that, it is cold and dry in this region during the early holocene when east asian winter monsoon ' s influence is obvious, so, it is a transition period from sand deposit to sandy soil deposit, when the layers become thinner gradually from north to south. during middle holocene, it is warm and humid, influenced evidently by east asian summer monsoon, so, it is an obivious pedogenesis, when there are generally well - developped holecene palaeosol ( so ) from north to south, and the pedogenesis in the south is better than that in the north, the soil is also thicker than that of the north. from late holocene to now, the climate changes to be dry and cold, but its changing scope is smaller than that of last glacial period
2 、就所選剖面分析來看，本區在全新世早期氣候回返，相對較寒冷乾燥，東亞冬季風影響較明顯，此時為沙層堆積向砂質土壤過渡，自北至南堆積的沙粒漸細；全新世中期氣候溫暖濕潤，東亞夏季風影響顯著，此時為明顯的成壤期，表現在自北至南普遍可見發育較好的黑壚土層，且南部的成壤作用比北部好，土壤的厚度也要大；全新世晚期至今，氣候向乾冷方向轉化，但變化幅度遠小於末次冰期。 -
The original landscape of the site had been changed drastically, and frequent disturbances caused by recent urban development were shown. the trench is now full of pipes and piles. the relics might be deposited in a brownish sandy layer, between the modern disturbed layer and the greyish sand of marine deposit
從出土文物的地點觀察，原來的地貌早被近代城市發展所改變，溝內滿布水管和樁柱，埋藏文物的層位應是現代擾亂層和灰砂層之間的碣砂層。 -
The wet - dry variations of the horqin sandy field recorded by loess deposit of the late quaternare
晚第四紀科爾沁沙地干濕變化的黃土記錄
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