soil spatial distribution 中文意思是什麼

soil spatial distribution 解釋
土壤空間分佈
  • soil : n 1 泥土,土壤;土質。2 土地,國土。3 滋生地,溫床。4 農業生活,務農。n 1 臟東西,污物,污穢,污...
  • spatial : adj. 1. 空間的;在空間中存在[發生,佔有位置]的。2. 佔大篇幅的。n. -ity 空間性。adv. -ly
  • distribution : n 1 分配,分發,配給;分配裝置[系統];配給品;配給量;【經濟學】配給方法,配給過程;分紅;【法律...
  1. The primary representations of the vulnerabilities of water resource in hengyang basin where is a typical hilly region with red and purple soils in south china are analyzed : the precipitation re source varies greatly in spatial and temporal distribution ; the soils and rock property are not in favor of water and soil conserving ; the structure of crops needs a high water consumption ; and the farm irrigation works are timeworn and frangible

    摘要以中國南方典型的紅壤和紫色土丘陵區衡陽盆地為例,分析論述了衡陽盆地地表水資源脆弱性主要表現在:降水資源時空分佈不均勻;不利於水土保持的地表物質組成和植被覆蓋;耗水量大的農業種植結構以及調蓄水功能弱的農田水利工程體系等方面。
  2. Abstract : digital basinis made from digital elevation model considering spatial variability within a catchment. on the basis of digital basin, the digital approach to describing hydrological processes within a catchment is investigated. digital hydrological model is regarded as a modern physically - based modeling technique that includes a large amount of information. the case study on the shiguanhe catchment in the huaihe river basin, intensified observation field of gewex asian monsoon experiment project, has shown that the digital mode lperforms very well not only in simulating runoff processes at any specific site, but also in simulating spatial distribution and temporal variation of hydrological elements and state variable ( especially soil moisture ), if compared with traditional hydrological models. that provides solid foundation for full use of now available observation in formation and in - depth mining of hydrological data

    文摘:考慮流域下墊面空間變異性,基於數字高程模型構建了數字流域,並在此基礎上對描述流域水文物理過程的數字方法進行了探討.文章認為,數字水文模型是一種有物理基礎的包含大容量信息的現代模擬技術.史灌河流域實例研究表明,數字水文模型可以十分方便地輸出水文要素和狀態變量的空間分佈與時間序列,這對充分利用現有觀測信息進行水文信息的深層挖掘創造了條件
  3. In this research, geostatistics was adopted to analyse crop growth status, soil nutrient and yield, with emphasized on quantitative characterization of the spatial variation and investigating the relationship between crop growth indices and yield from spatial distribution

    本研究首次在作物長勢分析中引入地統計學手段,結合田區土壤養分和產量的空間變異特徵,著重定量描述了作物長勢空間變異規律,並從空間分佈的角度探尋作物長勢監測指標與產量的關系。
  4. The results indicate that the spatial pattern of soil erosion is related to the slope land shape. it has clear vertical and horizontal distribution features

    研究表明,坡耕地土壤侵蝕強度的空間分佈與地形因素密切相關,具有明顯的垂直分佈特徵和水平分佈特徵。
  5. Study on spatial variety of soil moisture and distribution of vegetation and biomass in hegou small watershed

    河溝流域土壤水分空間變化及植被分佈與生物量研究
  6. By integrating gis, social and economic statistical and field investigating data, taking wudinghe river watershed as the case study area, we discussed the driving mechanisms for the watershed land use change and the relationship between land use spatial distribution pattern and soil erosion at different scales. the results as follows : 1

    本文以無定河流域為典型研究地區,藉助地理信息系統( gis )技術,結合社會經濟統計資料和實地調查的數據,探討無定河流域土地利用變化的驅動機制和流域內不同尺度土地利用類型空間分佈格局與水土流失的關系,初步結論如下: 1
  7. Referencing between the genetic soil classification of china ( gscc ) and the chinese soil taxonomy ( cst ) for gscc - high - mountain - soils was conducted and their quantitative and spatial distribution characteristics within cst were studied, based on the 1 : 1m soil database of china, which consists of 3 parts, 1 : 1m digital soil map, soils profiles attribution database and soil reference system of china

    摘要本文利用最新建立的1 : 100萬中國土壤數據庫,研究了我國發生分類高山土與中國土壤系統分類的參比及其在系統分類下的空間分佈和數量特徵。
  8. It fulfilled the transforming from point data to polygon data and created the field soil nutrient spatial distribution graphics using the different kinds of interpolation ways. it integrated soil test nutrition data, object yield obtained by historical crop yields of past years, fertilization model and expert knowledge to realize intelligent decision and make field fertilizer prescription. with the card ataflash, the prescription made by the system can be imported into the control computer of variable - rate fertilizer machinery and direct variable - rate controller to implement variable - rate fertilization

    系統實現了以下主要功能:應用不同的插值方法實現點狀信息向面狀信息的轉化,生成農田土壤養分空間分布圖;以土壤采樣測試分析數據作為土壤背景養分,並根據歷史產量及其他信息分析確定施肥所要達到的目標產量,通過集成施肥模型和專家知識實現智能決策,生成田間定位施肥處方;然後用ataflash卡導入到變量施肥機械控制計算機上,指導其田間變量作業。
  9. In the end, the spatial distribution characteristics of erosion gully in the gentle hilly black soil regions in northeast chin were formulated at macroscopic view and microscopic view

    最後,從宏觀和微觀兩個方面闡述了侵蝕溝在東北黑土漫崗區的分佈特徵。
  10. On average, soil organic matter, total nitrogen, effective phosphorus content improved, but measures of the effective potassium in the soil, and the ph - value, worsened. from the perspective of spatial distribution, however, there is significant variation in soil fertility and quality

    這樣,樣本的社會經濟數據也具有可比性;這樣我們就可以討論社會經濟及政策因素和土壤肥力變化之間可能的因果對應關系。
  11. When the soil water properties and soil water - storage was studied with traditional statistic method, samples were entirely independent and obeyed normal distribution, not taking into account spatial relative of sampling location

    在用傳統統計方法分析土壤水分特性和土壤水庫貯量時,根據finsher統計原理假設樣本之間完全獨立且服從正態分佈為前提,不考慮測定位置的空間關系。
  12. With the help of rs, gis, gps, the interpreted maps of 1985 and 2000 remote sensing images overlay the digitized soil map to get the area of very kind of soil that the city covered during its progress of urbanization. the function of gis are elaborated, such as managing spatial data and attribute data, spatial analyzing and outputting ultimate maps to get the reduced number of nanjing population carrying capacity and its spatial distribution because of the expansion of city

    利用rs 、 gis和gps技術,對南京市1985年和2000年遙感圖像解譯,得到南京市城市擴展圖,把擴展圖和南京市土壤圖疊加;充分發揮gis技術在管理空間、屬性數據和空間分析與輸出成果圖等強大功能,計算出南京市由於城市擴展而使人口承載力減少的數量及其空間分佈。
  13. Secondly, based on noaa _ avhrr satellite remote sensing data, by means of thermal - inertia method and semi - experiential semi - theoretical soil water content model, the soil water content ' s spatial distribution of changjiang delta is retrieved and the corresponding pdf is fitted

    其次,利用noaa - avhrr衛星遙感資料,藉助于熱慣量法和半經驗半理論的土壤水分模型,反演了長江三角洲下墊面水分分佈。並利用反演的土壤水分資料,擬合相應的概率密度函數( pdf ) 。
  14. Spatial distribution characteristics and ecological effects of carbon and nitrogen of soil in huolin river catchment wetland

    霍林河流域濕地土壤碳氮空間分佈特徵及生態效應
  15. The scheme is on the basis of the heterogeneity of soil water content ' s horizontal spatial distribution in the region and the evaporative power of relatively saturated region. if the probability density function ( pdf ) of soil water content ' s horizontal spatial distribution and the evaporative power of relatively saturated region are attainable, the mean evapotranspiration flux of the region can be calculated

    該方案以區域內土壤水分在水平空間上分佈的非均勻性和相對飽和區地表蒸發力為基礎,在已知土壤水分水平空間分佈律的概率密度函數( pdf )和飽和區地表蒸發力的前提下,實現區域平均蒸發散量的計算。
  16. Evaluation on position and quantity of spatial distribution of soil erosion in rolling terrain

    低山丘陵區土壤侵蝕空間分佈定位定量評價
  17. The results show that at least in summer half year ( from april to september ), the soil water content ' s spatial distribution obeys b - distribution or weibull - distribution, and the soil water content ' s pdf is suitable for moist climate region

    結果表明,至少在夏半年( 4 - 9月) ,長江三角洲地區土壤水分空間分佈服從或weibull分佈,由此提出適用於濕潤氣候區的土壤水分pdf 。
  18. At last, a 3d - fem model is used for a soil - nailed supporting system in a classical two - layer distribution. the spatial distribution of horizontal displacement is reached by the analysis. some other analyses are made for the different ratio of length of foundation pit and the effect of the ratio on the largest horizontal displacement of the slope is analyzed

    在邊坡破壞模式研究中利用有限元方法對成都砂卵石地區典型的二元體土層基坑開挖進行了數值模擬,認為其破壞並不取均質土的圓弧破壞模式,而是一種折線形破壞模式,同時建議在噴錨網支護設計中錨桿長度的變化和極限平衡分析中考慮折線形滑動面。
  19. A quantitative method of rs for monitoring soil losses based on gis and the formula and algorithm of each model factor about the revised universal soil loss equation ( rusle ) are described in this paper, the spatial distribution law of soil erosion is discussed and the amount of soil loss of the small watershed is predicted running the model of rusle by the support of gis

    摘要以三峽庫區典型小流域為研究區域,通過遙感和野外調查進行信息採集,建立了流域環境數據庫;在gis支持下,根據修正通用土壤流失方程( rusle )模型對數據庫實施運算操作,探討了流域內土壤侵蝕強度的空間分佈規律,並估算了小流域水土流失量。
  20. Geo - statistics is the most available method to study spatial variability and spatial distribution of soil properties. previous studies were concentrated on spatial variability of soil properties and soil water - storage in flat, ignoring how terrain affects soil properties

    以往的研究都集中於平地土壤特性的空間變異性研究,對坡面土壤特性研究較少,從而,忽略了地形對土壤特性空間變異性的影響。
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