field evapotranspiration 中文意思是什麼

field evapotranspiration 解釋
農田蒸散
  • field : n 菲爾德〈姓氏〉。n 1 原野，曠野；（海、空、冰雪等的）茫茫一片。2 田地，牧場；割草場；〈pl 〉〈集...
  • evapotranspiration : n. 土壤水分蒸發蒸騰損失總量。
  • on : adv 1 〈接觸、覆蓋〉上去；開（opp off）。 turn on the light [radio water gas] 開電燈[收音機、自來...
  1. Characteristics of evapotranspiration and energy budget of soybean field in the sanjiang plain

    三江平原大豆田蒸散特徵及能量平衡研究
  2. Evapotranspiration of seed maize field in arid region

    乾旱區制種玉米農田蒸散研究
  3. Moreover, evapotranspiration consumes mainly net radiation on a clear day and sensible heat flux is greater than latent heat flux on a cloudy day above spring wheat field

    在有植被覆蓋或裸地下墊面，晴天、陰天的凈輻射、潛熱、感熱及土壤熱通量均表現出了與平均狀況一樣的日變化特徵。
  4. Daily variation of evapotranspiration in wheat field under different soil moisture

    不同土壤水分條件下麥地蒸散日變化規律研究
  5. With the first - hand data about the changing rules in cropland evapotranspiration collected by the ranzhuang water resources experiment station from the wheat and corn field, an analysis is made on the changing rules cropland evapotranspiration course and depth, and the concerned data range in the condition of experiment is brought forward

    摘要根據冉莊水資源實驗站大型地中蒸滲儀在種植小麥、玉米情況下的農田蒸散發量實測資料，分析了農田蒸散發量的時程及深度變化規律，提出了在實驗條件下農田蒸散發量的數值范圍。
  6. The first part is about the computing of crop water requirements ( or crop evapotranspiration ) and net irrigation requirements ( nir ) of ten crops in bojili irrigated district. then the traditional irrigation schedules of winter wheat and summer maize, which are the main crops in bojili, were evaluated with simulating model isareg. third, the field application efficiency in the experimental areas was evaluated from three methods

    本文即是由灌區實測資料計算各種作物需水量，推求其凈灌溉需水量；然後通過模型檢驗現行作物灌溉制度是否具有合理性，並對田間灌溉系統進行評價，求其實際田間灌溉效率；最後由兩種不同灌溉制度方案的對比，確定試區合理的作物灌溉制度，在此基礎上求出各代表年的田間灌溉需水量和用水過程線。
  7. The objectives of this study are : ( 1 ) collect the basis data about soil physical properties, soil moisture, infiltration and evapotranspiration in the catchment scale for developing a catchment hydrological model, based on the dtm, ( 2 ) provide the hydrological information in the catchment scale for developing agricultural production, vegetation rehabilitation, and reasonable land using in this region. the main conclusions drawn from this study are : ( 1 ) the soil physical properties, including bulk density, saturated soil moisture, field capacity, and wilting moisture, were measured at 56 plots across the catchment

    為此，本文以黃土高原溝壑區典型小流域?王東溝為研究對象，通過大量的野外測定和室內分析，系統研究了流域土壤容重、土壤飽和含水量、田間持水量、萎蔫濕度、土壤入滲性能、土壤含水量和蒸散量的空間變異性，以期為該區農業生產、植被恢復和土地合理利用等提供科學的依據，同時為建立基於數字高程模型（ dtm ）為基礎的流域水文模型積累基礎資料。
  8. The relationship between relative evapotranspiration and leaf area index and surface soil water content in winter wheat field of north china plain

    華北平原冬小麥相對蒸散與葉面積指數及表層土壤含水量的關系
  9. To derive the accumulated daily evapotranspiration from remotely sensed instantaneous evaporation rate is a key step to use this kind of information in other domains. so - called simplified methods and self - preservation methods were introduced and compared, and a self - preservation method was validated using field and remote sensing data

    論文的最後部分討論了從瞬時蒸散速率推算日蒸散量的方法，介紹了簡化法和蒸發比率法的基本思路，分析了存在的主要問題，並用地面數據和遙感數據驗證了蒸發比率法中以長波上行輻射作為分母的方法，結果表明方法可行，精度基本可以滿足要求。
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