runoff amount 中文意思是什麼

runoff amount 解釋
徑流量
  • runoff : 降雨徑流
  • amount : vi. 1. 總計，共計，合計 （to）。2. 相當于，等於。3. 成為 （to）。n. 1. 總和，總額。2. 數值，量，金額。3. 結果，效果；要旨。
  1. Through the analyses of characteristics of gully thalweg and soil erosion in upland and gully land, sediment sources in small watershed, sediment yield relationship between upland and gully and ecological functions of vegetation corridor, it is considered that vegetation corridor combined with land preparation measures may block runoff and sediment from upland and reduce the amount of soil erosion in a watershed by 54. 5 % ~ 77. 0 %

    摘要在分析黃土高原地區的溝沿線、溝沿線上下溝間地和溝谷地土壤侵蝕特徵、小流域泥沙來源、坡溝侵蝕產沙關系的基礎上，結合廊道的生態功能和以往的研究結果，認為在溝沿線的上部建立草灌與整地工程措施相結合的植物廊道，來攔蓄阻截溝間地的來水來沙，可使流域的土壤侵蝕量減少54 . 5 % ~ 77 . 0 % 。
  2. Abstract : digital basinis made from digital elevation model considering spatial variability within a catchment. on the basis of digital basin, the digital approach to describing hydrological processes within a catchment is investigated. digital hydrological model is regarded as a modern physically - based modeling technique that includes a large amount of information. the case study on the shiguanhe catchment in the huaihe river basin, intensified observation field of gewex asian monsoon experiment project, has shown that the digital mode lperforms very well not only in simulating runoff processes at any specific site, but also in simulating spatial distribution and temporal variation of hydrological elements and state variable ( especially soil moisture ), if compared with traditional hydrological models. that provides solid foundation for full use of now available observation in formation and in - depth mining of hydrological data

    文摘:考慮流域下墊面空間變異性，基於數字高程模型構建了數字流域，並在此基礎上對描述流域水文物理過程的數字方法進行了探討.文章認為，數字水文模型是一種有物理基礎的包含大容量信息的現代模擬技術.史灌河流域實例研究表明，數字水文模型可以十分方便地輸出水文要素和狀態變量的空間分佈與時間序列，這對充分利用現有觀測信息進行水文信息的深層挖掘創造了條件
  3. 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。
  4. 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。
  5. The paper studies on two different vegetation type areas in jingyun mountain in chongqing city, which are broadleaved forests ( gordinya svchuanensvs ) and bamboo ( phyllostachys edulis ) forests. by contrasting the surface runoff and underground runoff in these two areas, the results showed that, with the same precipitation, the gross amount of runoff in bamboo forests was larger than that in broadleaved forests and the runoff in bamboo forests appeared before that in broadleaved forests. the amount of underground runoff was larger than that of surface runoff in the two areas, the process of surface runoff was in accordance with that of underground runoff

    該文以重慶市縉雲山的兩個不同植被類型常綠闊葉林（四川大頭茶）和楠竹林小區為研究對象，對小區中典型降雨後的地表徑流、地下徑流的實測資料進行對比分析.結果發現在相同降雨條件下，楠竹林的地表徑流量與地下徑流量明顯要比常綠闊葉林的大，楠竹林地表徑流和地下徑流出現的時間也比常綠闊葉林早;兩種植被的地表徑流與地下徑流過程具有一定的相似性，地下徑流量都比地表徑流量大
  6. Based on the analysis of the data and information from the field observations and lab experiments, the results were as follows : ( 1 ) the results of the simulated rainfall and runoff erosion experiments in lab. under the design experiment conditions including the constant rainfall intensities of 1. 0, 2. 0, 3. 0mm / min and the rainfall durations of 30, 70 minutes and with soil moisture content 9. 5 % or 10. 0 % for dry situation, as well as with the soil moisture content 19. 0 % or 20. 0 % for wet situation, the soil erosion increased nonlinearly with the rainfall intensity, and the rainfall duration. the results of the experiments indicated that the amount of soil erosion caused by the simulated rainfall and runoff on the dry - soil slope was more than that on the wet - soil slope

    通過實地觀測及室內試驗資料分析，得到如下研究成果： 1 、室內模擬降雨徑流對戧坡的侵蝕試驗研究結果在定雨強為1 . 0 、 2 . 0 、 3 . 0mm min ，降雨歷時30 、 70分鐘，干土含水量為9 . 5 10 . 0 ，濕土含水量為19 . 0 20 . 0的條件下，侵蝕量與雨強成非線性正比關系；雨強大，侵蝕量大；降雨歷時長，侵蝕量也大；堤坡含水量大時，侵蝕量小，堤坡含水量小時侵蝕量大。
  7. The experiment indicated that the lower rainfall intensity treatment, lasting longer time, caused more losses amounts of runoff nitrogen than that under the high rainfall intensity with same total rainfall amount

    試驗還表明，在降雨量相同的條件下，降雨持續時間長的小雨引起的農田氮素徑流流失量要超過降雨持續時間短的大雨。
  8. Runoff amount in rainy season for different land - use types constituted more than 50 % of annual amount, while the proportion in drought season was less than 17 %. of annual total soil loss amount, the control accounted for 60 % and complex proportions for other lands. however, soil loss amounts in drought season for all lands were lowest in one year

    雨季徑流量均佔全年的50以上，而旱季徑流量佔全年的17以下；而不同土地利用方式的土壤流失量佔全年流失量的比例則較為復雜，對照土壤流失量佔全年的60 ，而其它土地利用方式由於植被覆蓋、耕作和管理措施的季節性可能發生3 6月的土壤流失量小於7 10月的流失量，但旱季土壤流失量所佔比例均最小。
  9. The new research progress in the effect of forest on rainfall, interception annual runoff, was summarized. the main issues show that the most function of forest vegetation aims at protecting water resources and water environment, adjusting water amount, controlling erosion, decreasing run - off silt, decreasing maximum flow as well as increasing discharge of river in dry season and purifying water quality

    本文一方面通過介紹森林水文學的概念、研究進展和實際運用，分析了森林與水相互作用的特點，並從降水、截留、徑流等方面綜合研究森林植被在涵養水源、調節水量、減少徑流泥沙、降低洪峰、增加枯水期流量、改善水質等方面具有的重要功能。
  10. The analyzed results are as follows : the late 1960 ' s cutoff of riverbends increased both the runoff amount and the sediment transport amount of the lower reach of jingjiang river, while the sediment deposition decreased in the lkngting lake area ; after the mid 1980 ' s, both the middle reach of yangtze river main stem and the dongting lake occurred a trend of decreasing annual sediment transport as a result of decreasing sediment releasing from the upper reach of yangtze river ; and in the recent 3 years ( 2003 - 2006 ), the three gorges reservoir first impoundment additionally reduced the sediment concentration in the middle reach of yangtze river flow with a long time, so a distance would be quite long for suspended sediment recovery, but the distance for bed - material load of suspended sediment recovery would be quite short

    分析結果表明： 20世紀60年代下荊江裁彎后，三口（松滋口、太平口、藕池口）分流分沙減少，下荊江徑流量和輸沙量相應增加，洞庭湖泥沙淤積減少； 80年代中期以後，長江中游幹流及洞庭湖出口的年輸沙量呈減少趨勢，城陵磯至武漢河段河床由淤積轉為趨向沖淤平衡；三峽工程初期蓄水運用后，長江中游含沙量沿程恢復距離較長，但床沙質部分恢復距離相對較短。
  11. 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 。
  12. One exception is tu - wei - he catchment where underground runoff is the primary part of river flow. its runoff season distribution is much uniformity. its runoff amount of july to august accounts is 24 % of the annual runoff amount

    但以地下徑流補給為主的禿尾河，徑流量的季節分配相對均勻， 7 8月份徑流量占年徑流量的24 。
  13. When vegetation cover - degree is 60 %, amount of slowly available k, rapidly available k, and dissolved k lost in the runoff are less 97. 49 %, 97. 31 %, and 73. 14 %

    當植被覆蓋度達到60時，緩效鉀、速效鉀和溶解態鉀流夫量分別比裸地減少了97 49 、 97 31和73
  14. ( 5 ) the concentration of dissolved k and amount of dissolved k, rapidly available k, and slowly available k lost in the runoff increase obviously with the increase of rain intensity

    （ 5 ）雨強（沖刷強度）增大，溶解態鉀濃度，溶解態鉀、緩效鉀和速效鉀流失量明顯增加。
  15. The model can not only separate the effect of soil and water conservation measures on variation of river basin runoff amount

    研究表明，在佳蘆和禿尾河流域，水土保持使流域徑流量平均減少10 % ~ 22 % 。
  16. At last, on the basis of analyzing the characteristics of rainfall and runoff - producing and flow concentration and taking the example of multiple - underlying surface of jing hua school area and stressed laboratory building materials of hydrology and environment of shann ' xi, and thus rainfall runoff amount in the cultural areas and roof underlying surface are calculated, and utilizing foreground of rainfall are analyzed

    最後，在對降雨特性、下墊面產匯流特性分析的基礎上，以西安理工大學金花校區和陜西省水資源與環境重點實驗室屋頂為典型小區，簡單的計算分析了西安市文化區和屋頂下墊面的降雨徑流量。從量的角度分析了雨水利用前景。
  17. Application of nervous network in reduction calculation of runoff amount

    神經網路在徑流水量還原計算中的應用
  18. With same total rainfall, runoff lasted longer under the low rainfall intensity than that under the higher one, but the total runoff amount is more under the higher rainfall intensity

    農田徑流液中氮素的平均濃度和氮素徑流累積流失量提高，兩者間呈顯著正相關。
  19. The proportions of soil and water losses caused by heavy rain ( or storm ) were 65 % ~ 75 % and > 80 % respectively. there was extremely significant positive correlation between rainfall and runoff amount, while not - significant correlation between rainfall and soil loss was found

    降雨量與徑流量的均呈極顯著線性相關，降雨量越大，徑流量越大;而降雨量與土壤流失量的相關性明顯小於降雨量與徑流量的相關性，影響土壤流失量的因素比徑流量復雜。
  20. The impacts of soil and water conservation on river flows have been analyzes by comparison of the runoff amount of prophase and anaphase period. the results indicated that the precipitation producing waters and annuals fluctuate of runoff amount in each catchment have been decreased mainly by soil and water conservation

    根據臨界年份把河川徑流量分為前期和後期兩個時期，比較分析了水土保持對河川徑流量年際變化的影響，指出：水土流失綜合治理使流域降雨產流量減少，徑流量年際波動幅度降低。
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