降雨期 的英文怎麼說

中文拼音 [jiàng]
降雨期 英文
flush period
  • : 降動詞1. (投降) surrender; capitulate 2. (降伏) subdue; vanquish; tame
  • : 雨名詞(從雲層中降向地面的水) rain
  • : 期名詞[書面語]1. (一周年) a full year; anniversary 2. (一整月) a full month
  • 降雨 : rainfall降雨持續時間 time of the duration of rainfall; 降雨歷時 rainfall duration; 降雨時數 rainf...
  1. The hydrology and aerography indexes change in the middle of the rainy season in dry - hot valley are explored in this paper, which involves the mean ground temperature, relative humidity, runoff on trunk, rainfall, evaporation quantity, etc

    摘要對季中乾熱河谷加勒比松林林中與林邊平均地溫、空氣相對濕度、樹幹流量、量、蒸發量等水文氣象指標進行了研究。
  2. Herbs bourgeoned with a high density and a low coverage in early july. with the coming of rain season, the velocity of growth in herbs enhanced with the higher coverage in august. in september, the growth of herbs stopped and the density and coverage of herbs descended

    草本植物在7月初萌發,平均密度大,但植株較小,蓋度也小;隨著量的增加,在8月份一一草本植物的快速生長,草本植株個體長大,平均蓋度達最大值,但是密度卻有所下;到了9月中下旬基本成熟並逐漸死亡,蓋度和密度均下
  3. ( 3 ) the spatial analysis results showed that the variation of soil clay content was moderate at the direction of vertical section. the soil clay content was highest at the layer of 20 - 40cm, which showed that it is an eluvial accumulation horizon according to long - term cultivation, irrigation and rainfall

    ( 3 )土壤粘粒含量在垂直方向上呈中等變異,整個土體在20 - 40cm土層處的粘粒含量最高,說明土壤表層由於長耕作、灌溉,土壤粘粒含量有一個淋溶淀積過程。
  4. ( 5 ) there exists close relationship between the meiyu period precipitation in jianghuai valleys and the anomalies of subtropical summer monsoon, the anomalies of cold air, not the same so the indian summer monsoon

    ( 5 )江淮地區梅水與東亞副熱帶季風、北方冷空氣異常密切相關,與印度西南季風關系並不密切。
  5. Zhoushan has a northern subtropical monsoon marine climate with clear four seasons ; leading wind directions are southeast wind in summer, northwest wind in winter. with an annual average wind speed of 3. 3m s ; and an average temperature of 15. 6 - 16. 6, and the frost free period reaches 251 - 303 days perannum, annual average sunshine time 1941 - 2257 hours, and the annual preeipitation is 927 - 1620 mm

    舟山屬北亞熱帶南緣季風海洋型氣候,四季分明主導風向,夏季為東南風,冬季為西北風,年平均風速3 . 3米秒年平均氣溫15 . 6 . - 16 . 6 ,冬季最低溫為- 1 ,夏季最高溫度為37無霜251 - 303天,年日照時數1941 - 2257小時年
  6. The results indicated that the ree tracer technology has high precision to quantify the spatial - temporal process of soil erosion ; in earlier rainfall course, the development degree of sheet and nil erosion was general equation ; otherwise in the following course, the rill erosion was dominant in the total erosion, its average erosion acceleration and the average erosion rate was 15 and 9 times of sheet erosion, respectively ; in the end of experiment, the rill erosion took up 90 % of total erosion amount ; the section of slope bottom occupying about 1 / 3 slope area was active erosion segment in this experiment

    結果表明: ree示蹤技術對定量研究土壤侵蝕具有較高的精度;,片蝕與細溝侵蝕發育程度基本相當;後細溝侵蝕占據坡面侵蝕的主導地位,其侵蝕平均加速度和平均侵蝕率分別是片蝕的15倍、 9倍;試驗結束,細溝侵蝕占據坡面總侵蝕的90 % ;本試驗條件下,坡面下1 / 3區域為侵蝕活躍帶。
  7. Meanwhile, an artificial imitation rainfall system was developed in order to study the characteristics of city underlying surface and make experimental check up about the relative appraising index, on which 200 rainfall experiments are made, analyzing the effect of rainfall intensity to the runoff of underlying surface ; the relationship between runoff permeability and unit factor of rainfall intensity and duration ; the effect of rainfall intensity, duration, soil moisture content, and temperature to the runoff permeability ; the relationship between rainfall quantity and runoff permeability, and make mathematical imitation to the expe rimental results, to find the mutual - relationships, and make discussion about the differences between equations of fit

    同時,為研究城市下墊面的產匯流特性研製了一套人工模擬系統,並對相關評價指標進行了實測校驗。在此基礎上,進行了200多場實驗,分析了強、歷時、土壤前含水量、溫度、量、不同下墊面和不同覆蓋度等對產匯流的影響,及各種因素對徑流系數的影響和相關性,建立了一定條件下歷時徑流系數,強徑流系數,流量徑流系數的函數模型。
  8. Yueyang is a wettish area of confienental subtropical monsoon with mild climate, plenty of rainfall and four distinct seasons. annually, the average temperature is about 17, the average precipitation is 1387. 93. mm, the average sunlight time is 1680 hours, and the frost - free period lasts 270 days

    岳陽市屬亞熱帶季風濕潤氣候區、氣候溫和、量充沛、四季分明,年平均氣溫17左右,多年平均量1387 . 93毫米,年平均日照1680小時,無霜270天。
  9. When soil antecedent condition is dry and the initial rainfall intensity is high, peak surface runoff also considerably lag behind that of rainfall, because of the formation of temporary relative impermeable top layer ; b ) surface runoff is controlled primarily by infiltration - excess runoff mechanism under unsaturated condition ; the major fraction of surface runoff are dominated by saturated infiltration - excess runoff response, only a small fraction by return flow mechanism when soil is saturated ; c ) subsurface flow is dominated by saturated runoff mechanism, and the duration of subsurface post the rainfall end is dependent upon rather the soil properties than the rainfall characteristics ; d ) subsurface flow intensity in cultivated soil layer ( 0 ~ 20cm ) is high up to 35mm / h when rainfall intensity is up to 120mm / h, indicating the existing of macropores and pipe flow in cultivated layer

    2 )耕作制下紫色土的產流主要機制是: 1 )當前土壤含水量未達到飽和狀態時,表面產流起始時間有明顯滯后現象,這與紫色土的快吸水性和較多非毛管孔隙密切相關;當前土壤較乾燥,強較大時,易形成臨時相對不透水表層,表面產流峰也有明顯滯后現象。 2 )表面徑流的產流方式主要是超滲產流,當土壤達到飽和狀態后,有四川大學博士學位論文小部分回歸流發生,但主要是飽和超滲產流發生,因為紫色土的相對不透水層和其它透水障礙層不明顯。 3 )壤中流主要是飽和產流,與過程有明顯的滯后,而且停后的壤中流產流歷時與特徵無關。
  10. The calculation results show that the method designed is quite satisfactory. the models can reproduce the annual precipitation sequence and monthly precipitation sequence. and then the regional aridity index can be estimated statistically, in addition, they can reproduce the characteristic of history precipitation series

    這兩類模型分別用於生成模擬年量序列和月量序列作為地區乾旱指標序列,從而對所研究地區乾旱特徵量的統計特性進行估計,並對已發生的地區乾旱的重現進行識別。
  11. The research of soil degradation in pur country is mainly concentrated on the red earth hilly area in the south in the past, and is less on the loess plateau that is one of the most fragile areas. based on field experiment and laboratory analysis, discuses the degradation mechanism, and raises the methods of refreshing and reestablishing land productivity of huangshan soil in chunhua county of shaanxi. in the hope of serving development of western regions and ecological environment construction that concede the land to forestry ( the grass )

    我國以前對土壤退化問題的研究主要集中於南方紅壤丘陵區,對生態環境最脆弱的黃土高原地區的土壤退化研究相對較少,故本文以黃土高原地區陜西淳化縣的侵蝕性黃?土為對象,通過野外人工模擬試驗和室內分析相結合的方法,探討了侵蝕性黃?土的退化機理,提出了恢復和重建黃?土土地生產力的途徑和方法,以服務于西部大開發和退耕還林(草)的生態環境建設。
  12. Taking into account weather and flood forecast information ; the forecast operation manner is studied under the condition of without the change of the existing flood control standard to realize the conversion of flood control and benefits. ( 4 ) through analyzing runoff and water utilization information during reservoir operation, design flood, and the existin

    水庫汛陽水位動態控制方法研究及其風險分析根據水庫流域天氣預報、流域前、水庫蓄水、水庫泄水能力和防洪興利要求,利用水庫汛限水位變動范圍,結合洪水預報和短預報模型,研究水庫汛限水位動態控制方法。
  13. By surveying the sample plot, the relations between the stabil ity of the mountai n slope of soil preparation for planting by using explosion and other factors s uch as precipitation, terrain , were studied. by using the method of quantitative t heory i, the interrelation between the damaged degrees of soil preparation progra ms by using explosion in low mountain area with abundant precipitation and terrain factors was systematically analysed, and the mathematical models relate d were developed. the results show that the precipitation in early days and the m aximum precipitation per day are the primary factors causing the soil prepara tion program damaged. the main terrain factors of the mountain slope that affect the program stability are according to their importance, slope, position and dir ection. the suitable mountain slope for soil preparation by using explosion is th e slope of less than 25

    通過典型標準樣地調查資料,探討了造林爆破整地工程的坡地穩定性與水、地形等因子的相互關系,應用數量化理論,對在有充分水條件下的低山丘陵區的爆破整地工程損失程度與地形因子之間的關系進行了系統分析,並建立了相應的數學模型,研究指出,充分的前水和日最大量是引起爆破整地工程損失的激發因素;影響爆破整地工程穩定性的主要地形因子是地面坡度,其次為坡位、坡向,實施爆破整地工程的地面坡度以不超過25為宜。
  14. This paper, in the light of the special geological environment and actual project situation of the three gorges reservoir area, puts forward a comprehensive analysis and evaluation system suitable for the stability analysis of the bank landslide of the three gorges reservoir area under the premise of thorough consideration of the water influence on the stability of the bank landslide, and obtains the following achievements in several aspects that have the practical application significance and certain scientific research value : ( 1 ) it is discovered that the water activity is the primary factor of the formation of the new landslide and the revival of the ancient landslide. on the one hand, the rising underwater level reduces the actual stress of landslide ; on the other hand, the long time soaking of the underwater reduces the mechanics intensity of the landslide and the slide belt, both of which reduce directly the landslide stability ; ( 2 ) in view of the special condition of the three gorges reservoir area, this paper analyzes systematically the forces acted on the landslide of the three gorges reservoir area and the force varieties acted on the divided landslide when the water level changes between 175 meters and 145 meters. thus it is more scientific and comprehensive for the analysis of the forces acted on the landslide ; ( 3 ) this paper summaries systematically 10 kinds of typical computation projects by organic combinations of different kinds of situations in the dry season ( nature statue ), rainy season ( rainstorm or rains for a long time condition ), with 175m water level in the reservoir, during the earthquake, with the water level of the reservoir adjusted from 175m to 145m and so on, and produces

    本文針對長江三峽庫區特殊的地質環境與工程實際情況,在充分考慮水對庫岸滑體穩定性影響的前提下,提出了一個適用於長江三峽庫岸滑坡體穩定性分析的綜合分析評價體系,並取得了如下幾個方面具有工程實際意義和一定科學研究價值的研究成果: ( 1 )研究結果發現,水的活動是新滑坡形成或古滑坡復活的主要因素,一方面是由於地下水位升高低了滑坡體的有效應力,另一方面是由於地下水的長浸泡低滑體及滑帶的力學強度,這兩方面的因素均將直接低滑坡的穩定性; ( 2 )針對三峽庫區的特殊條件,系統分析了作用於三峽庫區滑坡體上的力系和庫水位在175m與145m間變化時滑體條塊的受力變化,從而使對作用於滑坡體上的力系分析更科學、更全面; ( 3 )通過對滑體處于旱季(天然狀態) 、季(暴或長狀態) 、 175m庫水位、地震以及庫水位由175m調節下至145m等各種不同情況的有機組合,本文系統地歸納總結出了10種典型計算工況,並具體給出了相應的作用荷載的計算方法,使在庫區岸坡滑體穩定性分析評價時對計算工況選擇及其作用荷載的計算更具規范性; ( 4 )具體運用c + + builder開發了關于滑坡體穩定性綜合分析評價系統,使對滑坡體穩定性分析計算更方便、更準確; ( 5 )將上述滑坡體穩定性綜合分析評價系統應用於重慶市豐都縣名山滑坡穩定性分析的具體事例中,分析結果表明,本文所提出滑坡體穩定性綜合分析評價方法對三峽庫區的滑坡穩定性分析是實用可行的。
  15. Given the present unusual global warming rate on an already warm planet, we can anticipate that areas with summer melt and rain will expand over larger areas of greenland and fringes of antarctica

    在已經很暖的地球加上現在不尋常的全球暖化速率,我們可以預,在格陵蘭與南極的邊緣,夏季融冰與的地區會大幅擴張。
  16. 2 hydrometeorological studies - return period analysis of extreme rainfall, estimation of probable maximum precipitation, determination of design storms

    2水文氣象分析回歸分析可能最大水量的估計設計用暴模式的訂定。
  17. Hydrometeorological studies - - return period analysis of extreme rainfall, estimation of probable maximum precipitation, determination of design storms

    水文氣象分析回歸分析、可能最大水量的估計、設計用暴模式的訂定。
  18. The precipitation frequencies is analysed according to 1956 ~ 2000 years of rainfall record series in baoding area. the features of distribution of rainfall are detailed evaluated. firstly, the distribution of monthly precipitation is not even. for instance. the annual rainfall amount is about 548mm in whole year, about 80 % of them in summer season. secondly, yearly variation of rainfall is greater. thirdly, the abundant years usually are followed by short years, but the important changes have taken place in the last decades. before 70 ' s the abundant years took the dominant position, from the 70 ' s to the middle of 80 ' s the short years took place more frequently than ever. after the later of 80 ' s, the short years hold the main position. the above knowledge is instructive for guiding the rainwater resources effective utilization

    本文利用1956 2000年保定市的長系列資料,對保定市水量進行了頻率分析、年內變化分析和多年變化分析,明確了保定市水量年內、年際間的變化情況:保定市水量年內分配不均,汛( 6 - 9月)占年水量的81 。保定市水量年際間變化大,豐水年和枯水年交替發生, 70年代以前以豐水年段為主; 70年代到80年代前水量豐枯交替頻繁,總的接近於枯水年段; 80年代後至今以枯水年段為主。這種水分佈規律對農業生產水資源的高效利用具有重要的指導意義。
  19. The siphon type can not realized automatic measurement and data handling and the tipping bucket type dynamic accuracy is not high. at the same time, the bigger inaccuracy exists in these two kinds of measurement methods. along with the science and technology and the requirement of society development, the automation to the meteorological factor gathers and meteorological data saves and data handling have been put forward to the higher requirement

    氣象部門長使用的量計為虹吸式或翻斗式的,虹吸式不能實現自動測量與數據處理,翻斗式動態精度不高,同時,這兩種方法測量量存在較大的誤差,隨著科技和社會發展的需求,對氣象要素的自動採集和氣象數據的自動存儲、數據處理也提出了更高的要求。
  20. The research showed that pam could improve soil structure, and greatly increase the stabilization of soil aggregates, so soil crust development would be decreased. fifthly, soil grain that controls rainfall splash erosion was obtained, the influence of soil clay was very great during initial stages of rainfall. with rainfall going on, soil coarse sand and fine sand would control the splash erosion

    五、控制土壤濺蝕的主要土壤粒級:在土壤的的粘粒對濺蝕速率的影響較大,隨著歷時的延長,土壤中的細砂和粗砂成為濺蝕速率影響較大的因子;六、對土壤濺蝕影響較大的土壤結構特徵因子:5分鐘時,土壤的滲透系數對濺蝕速率的影響較大,隨著的繼續進行,土壤的團聚度一直對土壤濺蝕速率影響較大。
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