濕潤指數 的英文怎麼說
中文拼音 [shīrùnzhǐshǔ]
濕潤指數
英文
humid index-
The estimation methods of water requirement, and determination of basal crop coefficient and soil evaporation coefficient under the controlled alternative furrow irrigation in summer maize were studied and verified in the fifth chapter
（ 4 ）夏玉米田棵間土壤蒸發主要發生在灌后幾天表層土壤比較濕潤的時期內，其中表層土壤含水率和葉面積指數是影響土面蒸發的兩個基本因素。The modified zndx in comparison with others is well indicative of the severity and extent of flood / drought event and of more objective classification of them, which is therefore quite applicable to a extended area. ( 3 ) the main anomaly structures of grades of drought / food in summer over northwest china present pluvial pattern and dry pattern in all the areas, and spatial changes are opposite pattern from the noth to the south and the west to the east. the first four rotated loading vector fields represent four principal precipitation anomaly areas : the weishui river basin, east of the qinghai - xizang plateau
但修訂過的zndx指數根據氣溫、土壤濕度及前期氣候濕潤度等因子能夠客觀的反映出西北地區的旱澇特徵。 （ 3 ）西北地區季與年區域旱澇等級表明：西北地區的乾旱雨澇有顯著的階段性和年際變化特徵。 1980 』 s到1990 』 s中期，氣候較濕潤，土壤濕度增墑較明顯； 1990 』 s中期以後是40年乾旱最異常的時段； 1960 』 s旱澇交替發生，旱澇趨勢接近常年； 1970 』 s氣候雖乾旱，但沒有1990 』 s中後期顯著。After the 1990 ' s, dryness index increase especially in east of shandong peninsula and north of yellow river ; east of shandong peninsula, most of south - east shandong and south shandong are from humid to semi - humid, the areas to the north of yellow river is from semi - humid to semi - arid than that of the year from 1961 to 1976
進人90年代以後，與1961 - 1976年相比，乾燥度指數普遍增大，半島東部及黃河以北地區乾燥程度增大得最為明顯，半島東部、魯東南及魯南的大部分地區由濕潤區演變成了半濕潤區，而黃河以北絕大部分地區及魯中北部、半島西北部的局部地區則由半濕潤區演變成了半乾旱地區。By thoroughly analyzing the concept of " potential evaporation " and " wet environment area evapotranspiration ", using index of comparatively potential evaporation and comparatively actual one, the complementary relationship between actual and potential evapotranspiration was testified entirely with data integration technique. 2
選擇適合的「潛在蒸散」和「濕潤環境蒸散」的估算式，利用相對潛在蒸散量指標，相對實際蒸散量指標及流域濕潤度，通過數據集群技術，完整模擬並展現了蒸散互補相關關系。The correlativity between theoretical value and the actual value of soil moisture content in 93. 3 percent of observational stations is distinct. all this shows that calculational methods of zndx is more reason for studing the flood or drought of northwest chine. ( 2 ) index _ z and index _ k ca n ' t objectively remark extent of drought and flood event. both ca n ' t distinguish the difference of some years which have the same precipitation and have different temperature, awc
西北地區10個代表站三種指數值的對比表明， z指數與k指數僅反映西北地區同期的降水，而zndx指數不僅反映了同期降水狀況，且與同期氣溫及前期氣候濕潤度有關。 （ 2 ）通過z 、 k與zndx指數對西北地區旱澇等級的對比研究表明， z指數與k指數對西北地區旱澇等級的確定不具有客觀性。Analysis of surface wetness index ( swi ) shows there were drying trends in north china, northeast china, southwest china and the east part of northwest china, but the phase and duration of the drying processes were different in the above mentioned regions
地表濕潤指數分析的結果指出：我國西北東部、華北、東北及西南地區當前正處於一個乾旱化過程，但不同地區干濕變化特徵及乾旱化的持續時間和位相卻有差別。分享友人