annual erosion 中文意思是什麼
annual erosion
解釋
年侵蝕量-
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。 -
According to the investigation of the dykes in xinxiang reach of the yellow river, the annual volume of soil erosion caused by storm runoff amounted to 0. 07 million cubic kilometres
根據我們對新鄉地區內沿黃大堤的調查，每年暴雨徑流侵蝕大堤的土方量約達7 104m3以上。 -
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。 -
Through measuring slope forms on the spot, serried sampling, physical and chemical analyzing, and measuring soil erosion from natural and artificial rainfalls, the project researched in the approaches and behaviors of soil erosion affecting contents of soil carbon and nutrient, and the law of soil carbon and nutrient distributing in micro - topographty under influences of soil erosion. in the same time, supported by geographic information system, models of soil carbon and nutrient changing with soil erosion have been built, and spatial processes of soil erosion affecting soil carbon and nutrient have been simulated, and annual and long - term changing of soil carbon and nutrient under impact of soil erosion have been estimated and forecasted, and synchronously, a elementary assessment for different soil erosion management has b een performed by using the models built in the study
本研究以三峽庫區秭歸縣水田壩鄉王家橋小流域四個徑流試驗區二十個標準小區為研究對象，通過坡形實地測量、坡面密集采樣的顆粒分析和養分含量分析以及人工模擬降雨實驗，研究了土壤侵蝕對土壤碳和養分的影響途徑和表現，侵蝕作用影響下土壤碳和養分在微地形空間的分佈規律；同時，在地理信息系統的支持下，建立了侵蝕條件下的土壤碳和養分變化模型，模擬了侵蝕對土壤碳和養分影響的空間過程，預測了侵蝕影響下土壤碳和養分的年變化及多年變化，並通過研究建立的模型對不同侵蝕控制措施進行了初步的效益評價。 -
The paper establishes a mathematical model for calculating soil erosion modulus and a method for calculating new soil loss by using annual rainfall data and individual rainfall data, taking the outcomes of tests and study of natural rainfall, artificial rainfall and washout as a basis, rainfall erosion force, soil resistance to erosion and ground slope as main factors and combining with the study on new soil loss in typical regional development and construction
摘要以天然降雨、人工降雨、放水沖刷等試驗研究成果為基礎，結合典型區域開發建設新增土壤流失分析的研究成果，以降雨侵蝕力、土壤抗沖性和地面坡度為主要因子，建立了用年降雨資料和次降雨資料計算土壤侵蝕模數的數學模型和開發建設新增土壤流失量的計算方法。
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