植被覆蓋率 的英文怎麼說

中文拼音 [zhíbèifùgělǜ]
植被覆蓋率 英文
vegetation cover
  • 植 : Ⅰ動詞1. （栽種） plant; grow; cultivate 2. （樹立） establish; set up Ⅱ名詞（姓氏） a surname
  • 被 : Ⅰ名詞1 （被子） quilt 2 （姓氏） a surname Ⅱ動詞[書面語]1 （復蓋） cover; spread 2 （遭受） suffe...
  • 覆 : 動詞1. [書面語] （蓋住） cover 2. [書面語] （底朝上翻過來; 歪倒） overturn; upset 3. 同 「復」 （Ⅱ1. 2. ）
  • 蓋 : 蓋名詞（姓氏） a surname
  • 率 : 率名詞（比值） rate; ratio; proportion
  • 植被 : vegetation; vegetative cover植被層 vegetable layer; 植被帶 [植物學] zone of vegetation; 植被類型 vegetation form
  • 覆蓋率 : coverage factor
  • 覆蓋 : 1 （遮蓋） cover; overlap 2 （植被） plant cover; vegetation3 （保護層 覆蓋物） cover; covering; ...
  1. To the influence of the plateau terrain, the impact of the elevation and the roughness of terrain to every energy component out and incoming are study, and basing the soil spectrum model proposed above, a new radiative transfer model of terrain area was put forwarded in which the soil water content, lai, terrain roughness and elevation were considered synchronously, and incoming scatter light was integral with the solid angle of semi - globe space defined by the slope of the pixel, so scattering lights of terrain and the sky are properly considered, but the operation is still within the acceptable range

    地形與反射率的關系是本文研究的一個重點。本文對崎嶇山地象元的各入射光和反（散）射光分量進行了深入分析，在所提出的濕潤土壤光譜模型和植被冠層模型的基礎之上進一步提出了新的適合青藏高原的山地輻射傳輸模型。該模型同時考慮了土壤含水量、植被覆蓋（ lai ） 、地形起伏和海拔高度的影響，並以象元坡面定義的半球空間立體角對環境入射光進行積分，使周圍地形和天空散射光均得到適當考慮，計算量又在可接受范圍內。
  2. Meanwhile, the study also shows that the diversity of studied cave animals is inversely proportional to human population density and water quality ; and bio - diversity, to some extent, is proportional to soil fertility and amount of chemical fertilizer, but inversely when excessive ; the correlativity between bio - diversity and vegetation cover rate is not obvious, when ground vegetation is strongly interfered by human being ; the amount of diestrammena marmorata is proportional to the d iversity of plant, and inversely proportional to soil fertility, and in a way, to water quality ; and the correlativity between community and water quality and soil fertility, and between water quality and the amount of mosquito and fly, is not as good as expected. the author points out that diestrammena marmorata, bat, mosquito, fly, oreolalaxrhohostig metus ( or cudata ), and fish can be chosen as in

    同時，研究還表明：調查洞穴的物種多樣性與人口密度、水質成負相關；在一定范圍內，物種多樣性與化肥施用量、土壤肥力成正相關，超過一定的值則成負相關;在人類對地表植被的高強度作用下，物種多樣性與植被覆蓋率的相關性不明顯;蚊蠅數量與土壤肥力基本上呈正相關;斑灶馬數量與植物種數呈正相關，斑灶馬數量與在一定水質范圍內與水質呈負相關，與土壤肥力呈負相關;群落數與水質和土壤肥力、蚊蠅數量與水質都不能表現較好的相關性;研究認為，可以選擇斑灶馬、蝙蝠、蚊蠅、紅點囊蟾（或有尾類） 、魚類等作為指示動物對洞穴環境進行監測。
  3. This is due to an increase in forest cover in the rich world

    這歸功于發達地區森林植被覆蓋率的增長。
  4. The fraction of green vegetation, the ratio of vegetation occupying a unit area, is a very important parameter in development of climatic and ecological models

    作為重要的生態氣候參數，植被覆蓋率是許多全球及區域變化監測模型中所需的重要信息。
  5. Ecause it is hard work. for the past three years, from june to october, ha si has been studiously monitoring the condition of her pastures to check on the rate of vegetation cover

    除了搞好劃區輪牧，從2002年開始，哈斯還每年從六月份到十月份在自己的草原上進行草原監測，看草原的恢復情況，看植被的覆蓋率。
  6. Finally, the developing strategies of liaoning forestry in the 21st century were mapped out, namely, based upon advantages of forestry in eastern areas, upgrading the forestry development in central regions, moving ahead into western parts gradually, increasing the vegetation coverage by using moods of moving of forest climate, in the end the ecological situations of liaoning province would be changed thoroughly

    通過戰略性分區及研究各區的林業發展、人口分布、森林覆蓋率之間的關系，探討了21世紀遼寧林業的可持續發展戰略。 21世紀遼寧林業發展的主導戰略是生態林業戰略：以遼東林業的優勢為基礎，加速提高中部林業，以梯度推進的方式向西部推進，用森林氣候推移的方式及植被恢復技術提高遼西植被度，徹底改變遼寧的生態狀況。
  7. The study results showed that it was suitable for assessing the impact of highway route selection on the ecological environment using quantitative analysis indexes of vegetation coverage, biomass, flood detention ability, soil character change, cropland occupation and water and soil erosion, and it was suitable for route selection using the comprehensive ecological impact assessment method

    結果表明，用植被覆蓋率、生物量、滯洪能力、土壤變化、農田佔用、水土流失量等6項指標來定量分析生態影響程度效果較好，採用綜合生態影響評價指數法確定線路的舍取是可行的。
  8. This technique is mainly involved two steps : 1 ) vegetation effects correction : we used ndvi ( normalized difference vegetation index ) derived from tm and avhrr measurements for spatial and temporal variations of vegetation covers at different scales

    但由於電磁波與地表相互作用的復雜性，雷達後向散射系數除受地表介電常數（土壤水分）影響外，還受到地表粗糙度、土壤類型、植被覆蓋以及雷達入射角、頻率、極化等多種因素的影響。
  9. 2 ) radar incidence angle and surface roughness correction : to make radar incidence correction and eliminate the surface roughness effects, a wide range of surface parameters ( soil moisture, surface rms height, correlation length, incidence angle ) was input to the ibm model to simulate the effect of surface roughness and radar incidence angle on the sensitivity of soil moisture to the radar backscattering coefficient. a simple model was established to simulate the effects of incidence angle and surface roughness. 3 ) establishment of soil moisture change inversion model : according to a modified ibm model simulation results, the bare surface backscattering coefficients can be expressed as a funtion of the dielectric component for a given surface roughness when the surface slope greater than 2. 0, which is valid for most nature surface : in above equation, r0 is the surface reflectivity at normal incidence

    本研究中，首先利用基於微波輻射傳輸方程的微波植被模型和積分方程（ iem ）模型模擬了各種地表土壤水分含量情況下，植被覆蓋、地表粗糙度（包括地表均方根高度和相關長度） 、雷達入射角對c波段（頻率4 . 7ghz ）水平極化（ hh ）雷達後向散射系數的影響，在此基礎上，建立模型消除了植被覆蓋、地表粗糙度、及雷達入射角對雷達後向散射的影響，利用多時相50m解析度radarsatscansar雷達後向散射系數圖像反演得到了地表土壤水分變化模式信息。
  10. This paper descripts the present situation of the ecological environment in fushun city, including the high forest coverage, the unreasonable ecological structure, the influenced ecological function, the mine developing destroyed the deterioration ofecological balance seriously, the deterioration of ecological environment of mining area ; the coverage rate of nature reserve is relatively high1 but bio - diversity is still threatened seriously ; agriculture ' s ecological problem is severe ; soil erosion is serious ; the arrangement in the finished area is disorderly, the green land system is scarce of inconnective

    摘要撫順市生態環境現狀： （森林覆蓋率較高，但生態系統結構不合理，生態功能的發揮受到影響；礦產開發嚴重破壞生態平衡，礦區生態環境惡劣，歷史欠帳大；自然保護區植被覆蓋率較高，但生物多樣性仍遭受嚴重威脅；農業生態問題嚴峻；水土流失嚴重；建成區布局紊亂，綠地系統缺乏連通性。 ）
  11. The cause is that there are large distribution areas of moistly soil, wetly lands, and vegetative land, and smaller area of snow on the plateau

    高原反照率年變化的主要原因是土壤含水量、雪蓋分佈面積及植被覆蓋度的變化。
  12. Among the five fusion images the brovey image had the highest classification accuracy, it was 99. 5 %, and it was high enough for the acquirement of the vegetation coverage of the city

    尤其是brovey融合圖像提取植被信息的精度達到99 . 5 ，已經能夠滿足準確提取植被覆蓋率的需要。
  13. It can be showed from this research, image fusion and mixed pixel interpretation can both be used in extracting the small - region vegetation information of the city and can acquire satisfactory accuracy

    研究證明，無論是對tm圖像和spot圖像進行融合分類還是對tm圖像進行混合像元分解，均可較為準確地提取植被覆蓋率。
  14. In this study, two methods were used to estimate the urban vegetation coverage from remote sensing data : automatic classification of merged tm images and spot images ; interpretation of mixed pixels of tm images

    並對ikonos影像在圖像增強的基礎上採用系統抽樣和目視勾繪植被信息的方法取得研究區的植被覆蓋率數據，作為評價融合分類和分解效果的依據。
  15. The result showed that, . making full use of the spatial information of the structure, the neighbor - field - based mixed pixel interpretation method made the best effect than the other two methods, it got a accuracy of 96. 7 %

    提取結果顯示，三種分解方法中，基於鄰域像元的灰色相關像元分解法充分利用了空間結構信息，其提取植被覆蓋率精度最高，達到96 . 7 。
  16. However, the contradictions among forests, plants and soil water are obviously in the process of plants revive because of water shortage, therefore, how to utility the water and increase the cover rate of pants are the urgent thing we must be do

    但是，該地區由於水分資源不足，在植被恢復過程中，林木、植物與土壤水分之間的供需矛盾表現得愈來愈明顯。因此，如何利用有限的水資源，提高植被覆蓋率，已成為亟待解決的問題。
  17. Vegetation coverage, the ratio of vegetation occupying a unit area, is a very important parameter in the development of climate and ecological models. on - ground filed work surveys of vegetation coverage are time consuming and expensive and produce low - precision results

    本論文以南京市南部城區為研究區域，探討了分別運用tm圖像與spot圖像進行融合分類和對tm圖像進行混合像元分解兩種方法來提取小片林面積以計算植被覆蓋率。
  18. But the temporal and spatial characteristics of change of landscape are different among different types of beijing mountain area. in terms of different areas, the condition of vegetation cover in a whole has an increased trend in changping district, huairou county and miyun county

    結果表明： （ 1 ）就不同區域而言，昌平區、懷柔縣以及密雲縣的植被覆蓋狀況整體表現為增加趨勢；平谷縣表現為減少的趨勢，而門頭溝區的植被覆蓋率雖然較高，但其有轉變為差的趨勢。
  19. In part three, according to the viewpoint of system, giving consideration to all kinds of condition of forming hillslope debris flow, taking five indexes as follow : the shape index of ditch, the mean value of greatest precipitation within 24 hours, the developing degree of unstable mass, the mean depth of loose " accumulated clay and the rate of plant cover, applying fuzzy mathematics, the paper designs a suit of scheme about judging hillslope data

    第三部分，依據系統的觀點，全面兼顧了山坡泥石流形成的各種條件，選取溝谷縱剖面形態指數、最大24小時暴雨均值、不良地質體發育程度、鬆散堆積層平均厚度和植被覆蓋率五個指標，運用模糊數學方法在室內設計出一套山坡泥石流溝與非泥石流溝的判定方案。然後以野外實例數據進行檢驗，結果表明本方案分辯率較高，為84 . 6 ，且偏於安全一側。
  20. The landscape pattern of change on the fraction of green vegetation during this period was studied using a landscape pattern analysis program fragstats by analyzing path size, number of patches, shape metrics and landscape heterogeneity metrics to show the changing feature of landscape pattern. all of these results of indices analysis emphasize that the eco - environmental system in beijing mountain area in a whole is stable and the fragmentation and heterogeneity level in the last five years is decreasing

    本文在fcdmappingmodel原理和方法的基礎上，利用1994年和1999年的兩期landsattm數據，對北京北部山區昌平區、懷柔縣、密雲縣、平谷縣和西部山區門頭溝區的植被覆蓋率進行了計算，並利用fragstats軟體對其景觀變化過程從斑塊大小、數量、形狀和景觀異質性等角度進行了時空格局變化的剖析。
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