contour of water 中文意思是什麼
contour of water
解釋
等水位線-
Based on 2m contour of surveyed bathymetry from 1976 to 1999 and mean - high - tidal line distracted from remote sensing images acquired by landsat - 5 tm from 1976 to 2000 respectively, quantitative analysis about alluvion and erosion as well as the relationship between accretion of modern yellow river delta and the water and sediment discharge of yellow river is made, and the results indicate the mean - high - tidal level is more effective than 2m contour of the bathymetry. it is found that the accretion of modem yellow river delta is becoming less and less, what ' s more, erosion is even more than alluvion in some recent years. diaokou promontory has been eroded seriously since yellow river changed its course in1976
以一般高潮線反映現代黃河三角洲沖淤演變時，從1976年黃河改道清水溝流路入海到2000年，整個黃洞三角洲凈造陸201 . 5km ~ 2 ，淤積有逐漸變慢的趨勢，甚至出現凈蝕退的年份；刁口河嘴大量蝕退，蝕退速率開始快速，后來逐漸變慢；清水溝河嘴大量淤積，淤積速率開始迅速，后來逐漸變慢，甚至出現凈蝕退；清水溝河嘴南側到支脈溝一段岸線與刁口河嘴以西到灣灣溝一段岸線基本穩定。 -
Cfx software is used to simulate flow fields of water cushion pool. contour stream line, vortex and kinetic energy in water cushion pool are found and offered as visualization form. the results of numerical simulation and piv are analyzed and compared in this paper
使用數值軟體（ cfx ）對此水工實驗模型的淹沒射流流場進行了數值模擬，得到水墊塘內的速度場、等流函數線圖，將這些計算結果以可視化結果的形式給出。 -
The model of vertical eco - landscape was designed according to the slope and contour line : in the top land over 25, trees were planted to form a water - conserving forest ; in the slope land between 15 and 25, peach trees were planted ; between 5 and 15, loquats trees were planted ; less than 5, special species of fruit trees, melons and vegetables were planted ; the bottom field was characterized with water area of " rice and fish ", " lotus and fish "
其垂直生態景觀模式按坡度和等高線布置：在坡度大於25的山坡頂形成水保林木區，坡上15 25的陡坡種植桃樹，坡中5 15的斜坡種植枇杷，坡下小於5的緩坡地帶種植特種水果、瓜類及蔬菜，坡底形成「稻魚」和「藕魚」特色水域區。 -
This paper adopts the land use state in2000a ( l : 3 + 104 ), the soil chart ( 1 : 6 + 104 ) and hectometer contour relief map ( include three chongqing area ) of chongqing and geology map ( l : 6 + 104 ) of sichuan province as basic analytical data, measure landscape patches into 7 types including cultivated land, orchard, forestland, unused land, grassland, resident and industry land, water bodies according to land use state basing on land use types, make the landscape map of chongqing karst area by gis software
本研究是以重慶市1 ： 30萬的土地利用現狀圖（ 2000年版） 、 1 ： 60萬的土壤圖以及重慶市百米等高距的地形圖和四川省（包括重慶市） 1 ： 60萬的地質圖作為基本分析圖件。在土地利用類型的基礎上，依據土地利用現狀劃分了耕地、園地、林地、未利用地、草地、居民工礦用地和水域7類景觀嵌塊體類型，再藉助于gis軟體生成重慶巖溶區景觀圖。 -
The results show that ( 1 ) the system of contour dams, contours and fallow had positive impact on water and soil losses than grass stripes and contour ditch. at the same time it was showed that contour dams, contours, fallow significantly reduced soil erosion and water loss, grass stripe and contour ditch had recorded reduction in water and soil losses although to a much less extent than above 3 farming systems. most of sediment was bed load in all the systems except in contour dams and contour fanning
研究的主要結論如下： 1 、運用坡面徑流小區法系統地研究了當地農業生產活動中不同農作措施下紅壤坡耕地水土流失特徵、土壤養分流失規律及形態特徵，結果表明： （ 1 ）同順坡農作措施相比：其它農作措施均具有明顯減輕水土流失的作用，等高土埂，等高農作、休閑處理控制水土流失的效果優於水平草帶和水平溝處理。 -
( 6 ) in agroforestry and contour hedgerow treatments, soil structure and soil texture is improved with soil bulk density decreasing and soil porosity and capillary pore increasing. finally, water - holding capacity is improved. ( 7 ) soil loss in small plots of comprehensive management treatments is significantly lower than that in control
… ）實施農林復合經營和生物籬埂技術可明顯的改善土壤結構，降低土壤容重，增加上壤總孔隙度和毛管孔隙度，從而提高土壤的保水持水性能。 -
On the basis of analyzing factor ( soil particle composition, soil bulk density, water stable aggregate content, antecedent soil moisture, slope gradient, rain intensity, accumulation depth and soil crust, soil and water conservation tillage measures ) affecting soil infiltration rates, several relation models was obtained ; analyzed in detail different soil and water conservation tillage measures intensifying infiltration rates, while there have the same rainfall condition, the increasing infiltration rates of contour tillage and artificial digging and artificial hoeing in gully areas of loess plateau are 67 % and 41 % and 29 % ; the increasing infiltration rates in hilly areas of loess plateau is 45 % and 22 % and 14 %
在相同的降雨條件下，黃土高原溝壑區等高耕作與直線坡相比，可提高入滲67 ，人工掏挖可提高入滲41 ，人工鋤耕可提高入滲29 ；黃土丘陵溝壑區等高耕作可提高入滲45 ，人工掏挖可提高入滲22 ，人工鋤耕可提高入滲14 。並根據黃土高原超滲產流的概念和水量平衡方程，建立了不同水土保持耕作措施強化入滲速率模型。 -
Experiment proved that the calculation model could represent the flow of water in networks reliably. a topological - based method for determination of source - serving districts and drawing pressure - contour in multi - source networks was developed, a matrix describing topological relationship between lines and joins in the multi - source networks was set up for the computer - aided analysis. graph display of source - serving districts, dividing lines and pressure - contour was performed
在水力計算的基礎上，提出了利用拓樸理論進行管網的工況分析的方法，確定了多水源供水管網各水源供水區域、供水路徑；實現等水壓線的自動繪制；建立了給水管網余氯濃度的分佈模型；進行了給水管網事故對策分析。 -
Topmodel is based on the calculation of ln ( / tan # ) index and its distribution. in terms of a dem, a is the cumulative upslope area draining through per contour length to a pixel, which reflects the tendency of water to accumulate at any point in the catchment, tan # is the local slope angle of the cell, which reflects the tendency for gravitational forces to move that water downslide
Topmodel是以計算ln （ tan ）指數及其分佈為基礎的。對于柵格dem ，為上坡區域通過單位等高線長匯集到單元網格內的面積，反映徑流在流域中任一點的累積趨勢， tan為單元網格的坡度，反映重力使徑流順坡移動的趨勢。 -
A series of contour maps showing the consecutive monthly values of a certain parameter is a useful way of illustrating gradual seasonal water quality changes in different water bodies
例如以一系列等高線圖列出每月某項參數的數值，顯示各水體的季節性變化。 -
Then all of these features were used to taihu lake water pollution analysis. and a kind of contour map representing pollution degree was obtained, by which it can be known about the pollution situation of whole water area
並用此方法對太湖水污染情況進行分析，給出了一種污染指數的定義，計算出污染程度等高線，據此等高線圖可以從宏觀上了解整個水域的污染情況。
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