loess erosion 中文意思是什麼

loess erosion 解釋
黃土浸蝕
  • loess : n. 【地質學;地理學】黃土。-al, -ial, -ic adj.
  • erosion : n. 1. 腐蝕,侵蝕(作用)。2. 【醫學】糜爛,齒質腐損。
  1. Research progress of modern topographic evolvement and landform erosion in loess plateau

    黃土高原現代地貌侵蝕演化研究進展
  2. Soil erosion process research of the loess bare slope

    黃土裸坡土壤侵蝕過程研究
  3. Based on the characters of water erosion and rock clasts, the zhangxia loess is possibly a product of aeolian - talus - pluvial process

    張夏黃土下部呈現明顯的水流侵蝕痕跡,中間夾有圍巖碎屑,應屬于風成、坡積、洪積成因的黃土狀土。
  4. Loess plateau of china is one of the most serious soil erosion areas in the world

    黃土高原是世界上土壤侵蝕最強烈的地區之一。
  5. In the comprehensive soil erosion control area in the loess plateau, a total of 15 million hectares of land have been treated - - 30 percent of the soil erosion area - - with over 300 million tons less silt flowing into the yellow river every year

    黃土高原水土流失綜合治理區已累計治理1500萬公頃,使30的水土流失面積得到不同程度的治理,年輸入黃河的泥沙減少3億噸以上。
  6. The forest cover will rise from 10. l percent to 27 percent in 30 years in the other three major control regions, namely soil erosion areas in the middle reaches of the yellow river, wind eroded areas on the loess plateau and areas along river sources in qinghai province

    用30年左右的時間,使黃河中游水土流失區、黃土高原風沙區、青海江河源頭三個重點治理區森林覆蓋率由目前的10 1提高到27以上。
  7. Gully erosion, which is universal on original lands, but also the special forms, for example, hole erosion gravel erosion debris slide and debris flow, which is unusual in loess area, ( 2 ) based on a long - term fixed point experiments in proving ground of the south stackpile, the soil erosion factors have been researched quantitatively, the runoff and erosion affected factors have been made sure and the experiential models of producing water and soil have been taken in newly - constructed stage, early stage and later stage of reclamation

    確定南排土場原地貌的水蝕模數為3700 4400t km ~ 2 ? a ;在排土場新造地貌上,擊濺、面蝕、細溝侵蝕、淺溝侵蝕、沉陷侵蝕、砂礫化面蝕、土砂瀉溜和坡面泥石流等水土流失形式出現頻率和發生程度都明顯強于原地貌。 ( 2 )以南排土場徑流試驗場長期的定位觀測為基礎,對排土場未復墾時期、復墾初期、復墾後期的土壤水蝕影響因子進行定量研究,確定了徑流和土壤水蝕的主要影響因子及其臨界值,建立了產流產沙的經驗模型。
  8. The gullies are formed by the processes of infiltration - interflow - collapses. ( 2 ) in the slope with sand - loess, the major factors of water erosion are the rainfall intensity and rainfall amount of annual first rainfall. ( 3 ) in the region, the evolution processes of slope gully system results from alternative actions of sand deposition and water erosion

    ( 1 )有片沙覆蓋的斜坡小區,徑流量少,但徑流含沙率大,坡溝的形成過程是:垂直滲流坡地潛流崩塌; ( 2 )在沙黃土斜坡小區,每年春末夏初降雨的強度及降雨量是決定坡面產沙量的關鍵因素; ( 3 )該區坡溝系統的形成發育是風沙沉積、風蝕與水蝕交替作用的結果。
  9. Distributed water erosion prediction model for small watershed in loess plateau

    黃土高原小流域分散式水蝕預報模型
  10. Nitrogen loss of loess soil as affected by nh4no3 applying in process of water erosion

    水蝕條件下硝酸銨施用對黃綿土氮素流失的影響
  11. Characteristics of different aspect of soil erosion in wind - water erosion crisscross region on loess plateau

    黃土高原水蝕風蝕交錯帶土壤侵蝕坡向分異特徵
  12. That favorable water environment benefited, not only by the rather large percentage of forest cover with quite strong capacity of water conservation in mountain areas, but also by the comparatively lower gravity of soil erosion in the loess plateau in the middle and lower yellow river basin while numerous lakes and swamps still existed at that time and maintained a huge water storage

    中古華北之所以仍能保持良好的水環境,並非由於彼時降水遠比後代豐富,而是因為山區森林植被仍然良好,具有較強的水源涵蓄能力;黃土高原水土流失不甚嚴重,黃河決溢移徙較少、危害較輕,湖泊沼澤尚未因泥沙淤填而致大量消亡,可以瀦積巨量的水源。
  13. Sediment sources and effects of vegetation on erosion control in the gully - hilly loess area in north china

    黃土區小流域侵蝕泥沙來源與植被防止侵蝕作用研究
  14. ( 3 ) soil erosion assessing systems and evaluating water - soil safety models have been first raised in the stackpile of large opencast mine within loess area

    ( 3 )初次建立了我國黃土區大型露天礦排土場土壤水性致災因子指標體系和水土安全評價模型
  15. According its content the paper intents to expound, it can be divided into 5 parts : the first part refers to the introduction, which mainly summarize several relevant characteristics of loess plateau, including loess physiognomy, soil erosion and so on

    根據內容,論文可分為5個部分:導言(即綜述部分) ,系統總結了黃土高原的幾個主要特點,如黃土地貌,土壤侵蝕等。
  16. The geological factors are important besides them, which are related to the loess landslide and evolution of gullies, specially for bedrock folds, bedrock joints and loess joints. in field, the data of the bedrock elevation in the three sheets combined with the research from south to north lively were got by gps12xlc pocket locator, the type and its evolution of bedrock, loess landslides and distribution of hydrographical net were explored too. at office, the synthetic analysis and contrast were used including the simulating analysis about the data by mapinfo 6. 5, software of gis, discussion and communication with experts, in order to demonstrate and reveal the rules between the loess landforms and its pale bedrock landforms and the impact of structure on erosion interiorly in shaan bei

    在野外,以代表調查區和路線調查相結合的方法,利用gps12xc型手提式定位儀採集基底高程數據,實地觀察基底地層產態變化規律和特徵,觀察黃土地貌、黃土崩塌、水系展布及土壤侵蝕等與地質構造之間的關系;在室內主要進行綜合分析與對比,利用gis系統的mapinfo6 . 5軟體對採集數據模擬分析,並將認識成果與其他專家學者進行交流和探討,從而論證和揭示陜北黃土地貌南北縱向分異與基底古樣式關系特徵及水土流失與構造因素之間的內在規律。
  17. Globally and nationally the process of soil erosion has become a serious issue. as well known, the loess plateau is the strongest erosion region. water erosion is the main form of soil erosion in there

    土壤侵蝕作為一個全球性的嚴重問題,已經受到廣泛關注,眾所周知,黃土高原是我國土壤侵蝕最強烈的地區,在這一地區水力侵蝕是土壤侵蝕的主要形式。
  18. Based on the theory and method of soil water - dynamics and soil erosion, using the simulated rainfall and double - ring methods, the author systematically studied the soil infiltration law in the slope land of loess plateau

    本文以陜西淳化黃土高原溝壑區和安塞黃土丘陵溝壑區為研究試驗區,應用土壤水動力學和土壤侵蝕學的原理與方法,藉助人工降雨裝置和雙環裝置,通過野外大量試驗與室內分析及計算機模擬等方法,系統地研究了黃土坡耕地土壤入滲規律。
  19. Research history and progress in soil erosion in loess regions of china

    我國黃土地區土壤侵蝕研究歷史與進展
  20. Through the dome runoff sediment deposition trial in three experiment stations including ningcheng, helin, dongsheng in inner mongolia, using the way of data analyzing, whether the relationship of representative influencing factor of soil erosion and the amount of soil erosion of sloping farm land in loess hilly in inner mongolia during once rainfall is exist and how much is the degree of correlation

    摘要通過對內蒙古寧城、和林、東勝三個試驗站進行坡面徑流泥沙試驗,採用數據分析法,研究內蒙古黃土丘陵區坡耕地在一次降雨中各典型影響因子與土壤侵蝕量之間是否存在相關關系及相關程度問題。
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