枯水流 的英文怎麼說
中文拼音 [kūshuǐliú]
枯水流
英文
low-flow- 枯 : 形容詞1 (植物等失去水分; 乾枯) (of a plant etc ) withered 2 (井、河流等變得沒有水) (of a w...
- 水 : 名詞1 (由兩個氫原子和一個氧原子結合而成的液體) water 2 (河流) river 3 (指江、河、湖、海、洋...
- 流 : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
- 水流 : 1. (江河) rivers; streams; waters2. (流動的水) current; water flow; fluent; flow; [水文] stream current
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In consideration of the crises of both the industrial water and the domestic water in the estuarial areas of the yangtze river caused by the decrease of the channel runoff and the intrusion of the sea water during the dry season in dry year, the concept, method and planning framework of the water resources allocation for the areas mentioned above along the main stem of the river are put forward herein based on the preliminary prediction of the future water demands by taking the water resources allocation therein during the dry seasons as the actual case in combination with the status quo of the water environment and water resources utilization concerned
摘要針對枯水年枯水季,因河道徑流量較少,鹽水入侵的頻率和強度顯著提高而引起的長江河口沿岸地區生產生活用水安全,文中結合長江口地區水資源利用和水環境現狀,以大通以下長江幹流地區在枯水季水量分配為實例,在初步預測未來河口地區水資源需求的基礎上,提出長江口地區水資源配置的思路、方法及方案框架。According to the hydrograph, march was the drought period. the surface water flow was vanishing
由年流量之變化,初步可了解3月為枯水期,地表流量近乎消失。In view of the factors of inflection of the low flow in karst basins, sixteen factors about antcedent precipitation and characteristics of the chosen karst basins, are quantified. and the correlation of low flow and the factors is worked out
論文從影響喀斯特流域枯水徑流的各影響因子入手,通過對入選流域的枯季前期降水量及其下墊面特徵等16個因子的量化,從量上探求喀斯特流域的枯水徑流各特徵值與影響因子之間的相關規律。The factors include antecedent precipitation of low flow period and status of karst basins ( such as lithology, landform, drainage area, drainage density, length and ratio of demotion of main river and so on. ). based on the former studies, integrated the conventional statistic methods, the technique of anns is applied in this paper for researching the law of the low flow of karst basins in guizhou altiplano
影響喀斯特流域枯水徑流的因素異常復雜,其影響因素主要有枯季前期降水量和巖性、地貌、流域面積、河網密度、主河道長度及其比降等流域下墊面狀況。本文在前人研究的基礎上,採用人工神經網路技術,結合傳統的統計方法,研究貴州高原上喀斯特流域的枯水徑流規律。It has been used in many fields such as machinery industry, electronic industry, power industry, hydraulic engineering, chemical industry, agriculture, environment, economy and so on. this paper focuses on application of anns in the study of the karst basin and its low flow
人工神經網路是一門正在迅速發展的交叉科學,現已廣泛應用於機械工業、電子工業、能源工業、水利工程、化學工業、農業、環境和經濟學等學科。本文主要討論人工神經網路在喀斯特流域及其枯水徑流研究中的應用。The result shows that the water resources carrying capacity is much higher according to the amount of year - runoff than that according to the low flow. this indicates that the carrying capacity of low water resources is lower and the amount of water resources has hindered the development of society and economy in karst region in dry seasons
結果表明如果按年徑流總量計算水資源承載力則較大;而按枯季徑流量計算則較小,這說明喀斯特流域的枯水資源承載能力較低,枯水資源量已成為該地區阻礙社會、經濟發展的主要因素之一。Analysis of design low water in planned water source of mashi city on yalujiang river
鴨綠江擬建馬市水源地設計枯水流量分析Computing low flow routing coefficient of the lower yellow river by least - squares optimization method
最小二乘優化法解黃河下游枯水流量演進系數In addition, we found a obvious groundwater divide on the south side of ma - an river
中層是為封閉的含水層,深層地下水在枯水季有高山區域流達的水源。Thus, there are complicated and diversified factors which influence the amount of low flow in karst drainage
因此,影響喀斯特流域枯水徑流的因素復雜多樣。Especially, river retreat in drying year becomes one of the main causes of desertification because of the decrease of runoff
尤其枯水年徑流量的減少可能成為影響盆地荒漠化的原因之一。In the course of studying of the forecasting models of bp, the characteristics of five models are analysized carefully by contrast
在基於流域因子的枯水特徵預測模型的建立研究中,本文設計了5種類型的bp模型,用於預測枯水徑流特徵。The outcomes show that the two methods can separate the basin pollution load from different sides, the two separation results are close to each other and can be provided as references for drafting pollution prevention policies and ; the proportion of the two pollution loads in the basin is more or less the same, point source is slightly heavier in a dry year and the proportion of non - point source pollution is greater in a wet year
結果表明,兩種方法可以從不同的側面分別對流域污染負荷進行分割,且兩者分割結果相近,可以為流域污染防治政策的制定提供參考;流域內兩類污染負荷所佔比重大體相當,枯水年點源污染比重略高,而豐水年非點源污染比重較大。The runoff has been created in mountain and waters or neighboring regions, and it is 90 percent of the total in rainy season ; the total amount of precipitation is 7. 08x109m3 in accordance with real amount, about 6. 46 x 109m3or so, and it is 9. 06 x 109m3in the rainy years, 5. 66 x 109m3 in the drying years. there is 3. 46 x 109m3 difference between them. so precipitation has a great influence on runoff
在青海共和盆地,降雨產流主要在山區和水域附近,而且雨季產流占總徑流量的90 ;盆地降雨的總產流量為7 . 08億m ~ 3 ,豐水年為9 . 06億m ~ 3 ,枯水年為5 . 66億m ~ 3 ,因此徑流量受降雨量年變率的影響很大。The technical supporting system of careful regulation includes on - line information monitoring, remote sensing soil moisture monitoring, low - water routing, simulation and brainpower regulation and control
精細調度的技術支撐體系包括:在線信息監測、衛星遙感墑情監測、枯水徑流演進、模擬模擬、智能調控等。For example, the ratio of low flow to its area is higher in fengcong region than that in fenglin region. further more, the same type of landforms also influences the amount of low flow if the spatial assembly is different
重點研究了不同地貌類型與枯水徑流的關系,如在峰叢窪地枯水徑流模數較小;而峰林溶原地區則較大,而且地貌類型的空間配置差異也會影響枯水徑流的大小。Firstly, my paper analysized the main factors which influence the amount of low flow in karst drainage such as the area of drainage, lithology, the type of landforms and its special assembly, forest etc from the point view of drainage structure and the relationship between the different type of landforms and the amount of low flow in particular
對于喀斯特流域的枯水研究內容主要包括以下幾個方面:一是從流域結構的角度,分析了影響喀斯特流域枯水徑流特徵值的主要因素,如空間尺度、巖性、地貌類型及其空間組合、植被等。Thirdly, the mathematics model of forecasting low flow was established in fengcong and fenglin regions according to these factors influencing the amount of low flow in karst drainage ( the area of drainage, lithology, the type of landforms and its special assembly and forest ) the conception of low water resources carrying capacity was first put forward according to the changing law of low water resources in space and the situation of exploitation and utilization in karst drainage ( ie, under the condition of the virtuous ecological environment and the available technology, the explorable amount of water resources in certain areas is capacity and limitation which is able to coordinate the development of population, enviroment and economy during the period of low flow seasons ) and preliminarily analyzed its connotation, characteristic and established the index system of low flow in karst drainage
三是根據影響喀斯特流域枯水徑流的下墊面因素(空間尺度、巖性、地貌類型、植被) ,分別對峰叢和峰林等喀斯特地區建立枯水徑流預測模型。根據喀斯特流域枯水資源的空間變化規律以及實際開發利用狀況,首次提出了枯水資源承載力的概念,即在枯水季節期間,保持良性的生態環境和現有的技術條件下,某一區域內可開採的水資源量對支持該地區人口、經濟與環境協調發展的能力和限度。並初步分析了枯水資源承載力的內涵、特性,從水資源的供需方面確立了喀斯特流域枯水資源承載力的指標體系。The infiltration due to rainfall is limited in top layer and is around the range up to 40m from ground surface
配合豐枯水期地表水及地下水的同位素組成,可追溯地下水源,輔助對地下水流場的了解。Flow conditions of the harbor basin were studied by using numerical model. the solution can be used in engineering studies and designs
汛期馬尾附近河道造床動力以徑流為主,而中枯水期造床動力又以潮流為主。分享友人