- 河流泥沙
- 輸沙量
- 推移質(zhì)
下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯
sediment load中文什么意思
例句與用法
- 更多例句： 下一頁(yè)
- The process of secondary suspended channel in the lower yellow river under different conditions of runoff and sediment load
不同水沙條件下黃河下游二級(jí)懸河的發(fā)展過(guò)程 - The marine environment of sha chau and lung kwu chau marine park is , greatly influenced by the pearl river freshwater run - off , with high organic loading and sediment loading
沙洲及龍鼓洲海岸公園的海洋環(huán)境受珠江流入大海的淡水徑流影響，所含的有機(jī)物和沉積物均較多。 - Based on the surface runoff and sediment load and changing characteristic of river boundary in different period in the lower yellow river , the regulating mechanism of cross section and riverbed withered and its influence to the flood propagation were researched systematically
基于不同歷史時(shí)期黃河下游水沙條件和河道邊界條件變化特點(diǎn)，系統(tǒng)研究了斷面調(diào)整機(jī)理及河道萎縮及對(duì)洪水演進(jìn)特性的影響。 - ( 4 ) the dike breach risk of the south bank is relative higher in wandering reaches . ( 5 ) the dike breach risk of the north bank is higher than the south bank in winding reaches . simultaneously , the evaluation results manifest that the evaluation indexes system established from the locomotion of incoming water and sediment load , the regional crustal stability , the evolvement of river regime and the stability of river dikes , can reflect the actual situation of hang river in the lower yellow river more fully
評(píng)價(jià)結(jié)果同時(shí)表明,從水沙運(yùn)動(dòng)、區(qū)域地殼穩(wěn)定性、河勢(shì)演變和堤防穩(wěn)定性4個(gè)方面建立評(píng)價(jià)指標(biāo)體系,能夠更加全面的反映黃河下游懸河的實(shí)際情況;運(yùn)用多層次模糊綜合評(píng)判法能夠較好地解決影響因素眾多、作用機(jī)制復(fù)雜的懸河決溢風(fēng)險(xiǎn)問(wèn)題;運(yùn)用gis技術(shù)強(qiáng)大的空間分析功能,使黃河下游懸河不同空間位置的決溢風(fēng)險(xiǎn)得到了量化,可以客觀地反映黃河下游河道不同空間位置決溢風(fēng)險(xiǎn)的差別,對(duì)于指導(dǎo)防洪和河道治理的實(shí)踐具有重要的現(xiàn)實(shí)意義。 - The results indicated that with the change of water and sand condition and the altitude of tongguan and the development of the industry and agriculture in recent decades , the water environment of wei river had changed largely , which were shown as follow : annual runoff and seasonal flood decreased sharply ; water stream of large discharge decreased and the range of runoff decreased greatly ; sediment load per year decreased generally , sediment concentration of water increased , and the sand silting up was serious ; water channel swung and shrank , and water regime deteriorated ; frequencies of big floods decreased obviously , and hyper concentrated flood increased obviously ; water levels of the same runoff rose universally , and the frequencies of the floods increased and aggravated ; water pollution was very serious
結(jié)果表明，近期隨著水沙條件、潼關(guān)高程等的變化及工農(nóng)業(yè)的發(fā)展，渭河的水環(huán)境發(fā)生了巨大變化，表現(xiàn)在年水量及汛期水量銳減；大流量級(jí)水流出現(xiàn)次數(shù)減少，水量減少幅度大；年輸沙量總體減少，河水含沙量增大，泥沙淤積嚴(yán)重；河道向擺動(dòng)型發(fā)展，河道萎縮，河勢(shì)惡化；大洪水發(fā)生的次數(shù)顯著減少，高含沙小洪水明顯增多；同流量洪水位普遍抬高，洪災(zāi)發(fā)生次數(shù)增加，洪災(zāi)加重；水質(zhì)污染極為嚴(yán)重。