河流徑流 的英文怎麼說

中文拼音 [héliújìngliú]
河流徑流 英文
river flow
  • 河 : 1 （天然的和人工的大水道） river 2 （指銀河系） the milky way system; the galaxy 3 （特指黃河） t...
  • 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...
  • 徑 : Ⅰ名詞1 （狹窄的道路; 小路） footpath; path; track 2 （達到目的的方法） way; means 3 （直徑的簡稱...
  • 河流 : rivers; stream
  1. The decline of river runoff indicates the obvious trend of environmental aridity in the region

    流域河川徑流來源於降水，全球變化是河流徑流量變化的背景。
  2. 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。
  3. Hydrology regime and river channel evolution become complex because of double influences of river flow and tide. there is little appropriate method so far. therefore, when the impact us assessed of water project on flood control, the following aspects should be focused on, river evolution and stability of project - sections, design tidal level, flood - tide combination scheme, pre - project and post - project impacts on river channel, water level and flow condition

    長江河口段為潮流河段，徑流潮流的雙重作用使得區域水文情勢、河道演變規律錯綜復雜，開展防洪影響評價研究時，河道演變及工程段穩定性分析，設計潮位的分析計算，洪潮組合方案擬定，工程前後對河道及水位流態影響的模擬等均是目前尚無十分成熟的方法，需要進一步研究的課題。
  4. Study on relation between underlying surface and river runoff

    下墊面與河川徑流的關系研究
  5. The difference between the calculation and water resources assessment has been mainly introduced in the paper

    通過介紹還原水量計算方法，闡述了河川徑流量與水資源量的區別。
  6. In a year the change of river flow is drastically and season distributes of runoff in river is mainly centralize in the summer in jia - lu - he, qiu - shui - he and pian - guan - he catchments. for example, the runoff amount from july to august accounts for 41 %, 58 % and 57 % of the annual runoff amount in the above three catchments, respectively

    所選四條流域中，佳蘆河、湫水河和偏關河三條河流徑流量年內變化劇烈，季節分配不均，集中度高， 7 8月份徑流量分別占各流域年徑流量的41 、 58和57 。
  7. The impacts of soil and water conservation on river flow and soil - hydrology of jia - lu - he, tu - wei - he, pian - guan - he and qiu - shui - he catchments have been analyzed by the simulation and on - spot measuring methods according to data of during 1950 ' s to 1990 ' s. the selected catchments of the above four all are in the key area of soil and water conservation on the loess pleatu. the main results are as follows. the trend, reasons and critical year of annual river flow " change have been researched by rank correlation and maximum deviation division

    本文以黃土高原水土保持重點區的佳蘆河、禿尾河、偏關河和湫水河等四條流域為代表，採用定量與定性、模型模擬與實測對比相結合的方法，系統分析了上世紀50 90年代時段內水土保持對河川徑流及土壤水文的影響，取得主要結果如下：採用秩相關和極差分割等定量評價方法，分析了四條支流徑流量變化趨勢、變化原因及發生明顯變化的臨界年份。
  8. Annual runoff of malianhe river show a decline tendency in the period both between 1955 - 1986 and 1987 - 2000. annual runoff of qingshuihe river showed a similar tendency to malianhe river in the period between 1956 - 1987 and the period between 1988 - 2000

    無定河年徑流量無論總體變化趨勢還是各個階段都為顯著減少；馬蓮河和清水河年徑流量在1986 1988年前後兩個階段內的變化趨勢都為顯著減少趨勢。
  9. The season changes of the river flows and its response to soil and water conservation have been researched

    分析了河川徑流量的季節變化規律及其對水土流失治理的響應。
  10. The paper also proposed a new method to build a comprehensive precipitation - runoff model based on soil and water conservation practices

    黃土高原水土保持對河川徑流及土壤水文的影響提出了建立基於水土保持措施的流域降水產流模型的新方法。
  11. These models can be used to estimate impact of control measures on river runoff, and to what degree these measures effect the runoff production in river catchments at any given year

    該模型能分離水土流失綜合治理對河川徑流量的作用大小，並可估算任一年份水土保持措施對降雨產流量的影響程度。
  12. With the impact of climate change and increasing the intensity of human activities, the hydrological regime has changed, including annual runoff distribution, which is relating with water resources management and ecological construction

    摘要在氣候變化和人類活動的影響下，河川徑流的年內分配特徵也發生變化，直接影響人類開發利用和生態環境建設。
  13. Research manifests that : ( 1 ) allocation in the year of precipitation is very uneven, and yearly precipitation is different in great scope, negative anomaly of precipitation appear concentratly in the 1990s, the precipitation in the 1990s decreased in different degree ; ( 2 ) close positive correlation exists between runoff and precipitation, runoff is abundant in the year with prolific precipitation, and generally in the year with scarce rain the volume of runoff is not enough ; ( 3 ) there is 20 % margin in their changes amplitude, this mainly resulted from high frequent human activities

    結果表明： （ 1 ）流域內降水年內分配極其不均；年際變化劇烈，進入90年代后降水負距平集中出現， 20世紀90年代降水較多年均值有較大程度的減少； （ 2 ）流域內河川徑流與降水之間存在密切的正相關關系，降水量多的年份，河川徑流豐富，反之較枯； （ 3 ）河川徑流積極響應降水的變化，然而河川徑流變化幅度卻比降水變化幅度大20 % ，這個偏差主要是由於頻繁的人類活動的干擾造成的。
  14. There is also a difference in all rivers in this region. annual runoff of wudinghe river reduced notably in both general tendency and periodic change

    陜甘寧地區河流徑流量總的變化趨勢為減少，但各條河流變化情況不同。
  15. In this paper, the characteristics and tendency of annual runoff changes of wudinghe river, malianhe river and qingshuihe river are analyzed

    河流徑流量在自然和人為因素的共同影響下而變化，變化特徵復雜，趨勢具有不確定性。
  16. Qinhuangdao climate change ' s impact on river runoff volume and countermeasures

    秦皇島市氣候變化對河流徑流的影響及對策
  17. So further study on model of influence of human activities on river runoff change and simulation in different regions is necessary

    所以人類活動因素影響下河流徑流量變化模型及模擬還有待于針對不同地域、不同時空尺度做進一步的深化研究。
  18. The impact of human activity on the runoff decline is obviously strengthening, and has already occupied a leading position in recent years

    在這個背景下，人為因素的影響程度在明顯增強，可以認為人類活動因子是河流徑流演變的主要驅動因子。
  19. 2. po4 - p budget in jiaozhou bay : seawater - accommodated po4 - p in jiaozhou bay is attributable to discharge from the rivers around jiaozhou bay and input from seawater - bottom sediments exchanging, and output to huanghai sea by hydrodynamic process

    河流徑流輸入、沉積物釋放和大氣沉降是膠州灣海水中din的主要外部來源，由浮游生物活動而在水體中再生的din是膠州灣海水中din的內部來源。
  20. The analysis on the change characteristics and driving forces of wudinghe river runoff

    無定河年徑流量變化特徵及人為驅動力分析
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