間域土 的英文怎麼說
中文拼音 [jiānyùtǔ]
間域土
英文
intrazonal soil-
The attainment proves that the method is prompter than the conventional ones and reduces the amount of work greatly. moreover, when the db is connected with regional information system of transfered, it is possible to study the changing characterises or regional land use through quantity change, furthemore, to find out the decipline and the dynamic changes of spatial distribution of type of land use through land use maps
結果表明與傳統調查方法相比速度快,工作量大大減少,且把數據庫與區域信息系統連接或被調用,不僅可以通過數值的變化,研究區域土地利用狀況的變化特徵,還可以從圖形上體現出土地利用類型的空間分佈規律,以及空間分佈的動態變化情況。( 2 ) there is stage of soil formation from the evolution of pedogenic environment in the weihe valley during holocene. soil formation shows the law of evolving from warm and wet strong soil formation period to cold and dry dust deposition period ( weak soil formation period ) and to warm and wet strong soil formation period again. the loess - soil sequence is a compound soil sectional system of different kinds of soil evolution under different bio - environment and pedogenic processes
( 2 )通過對全新世渭河流域成壤環境演變問題的討論,揭示了全新世渭河流域土壤的發育具有階段性,表現為由溫濕的強成壤期向冷乾的沉積期(弱成壤期)演變、再向溫濕的強成壤期演變的規律;黃土一古土壤序列是不同生物氣候環境下、不同成壤過程發育的不同土壤類型演替而形成的復合型土壤剖面體系;而且由於冬夏季風環流及其環境效應在空間上的差異,使得復合型土壤剖面體系也存在著南北差異。3. take the lrdmis as info source to discuss the combination of gis and specialty model in information system, by the means of spatial overlay analysis the land use status movements, carried a analysis to number and quality structure of region land type by the means of landscape analysis, and principal analysis was utilized to evaluate experiment area ' s land quality hierarchy., all the work provided a scientific foundation and technological support for experiment area synthetic management and planning
以lrdmis為信息源,對信息系統中gis與專業模型的結合應用進行了探討,通過空間疊加分析方法對土地利用現狀變化進行了監測,應用景觀分析方法對區域土地類型的數量與質量結構進行了分析,應用主成分分析法進行了試區土地質量分等定級,為試區綜合治理規劃提供了一個新型的技術支撐體系。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: 1Applying the data of nationwide land use present investigation and related statistical material, the author analyzes qualitatively and quantitatively the land use difference and its affected factors with a case study. the thesis provides an example for systematically study of land use dynamic change at regional level. based on the rational consideration of land use difference among provinces, several kinds of mathematical approaches are conducted
論文依據全國土地利用現狀調查數據和相關的社會經濟統計資料,運用定性與定量相結合的方法,對中國省區土地利用差異及其影響因素之間開展實證研究,為全面地、系統地研究區域土地利用動態變化提供案例。The county of changling, located in the eastern edge of songnen sands, is a typical ecotone between agriculture and husbandry in northern china. in the viewpoint of land use / land cover change, it is an ideal district for research. in this thesis, we make use of the remote sensed data, the land use map, statistical data such as soil general data and field - measured data to analyze the land use change of changling county of the latest 20 years between 1981 and 2000 under the support of gis, and further we make some preliminary study on the impacts of land use change to regional climate and soil conditions
本文以位於松嫩沙地東緣、我國北方農牧交錯帶典型區域的長嶺縣作為研究區,利用遙感數據、土地利用數據、土壤普查資料和野外采樣、室內測量等數據,在gis的支持下,對長嶺縣1981 - 2000年間的土地利用變化進行了研究,並在此基礎上,探討了土地利用變化對區域氣候要素和土壤環境要素的影響,為長嶺縣土地利用優化策略的制定提供依據。The paper introduces and amends the composite indexes of soil erosion intensity and regional soil erosion intensity and conducts quantitative analysis on spatial relationship of types of land use and soil erosion intensity of whole china territory, the middle and lower areas of liaohe river, headwater area of danjiangkou reservoir of south - north water transfer project of hubei part and 4 regions of huidong county in guangdong based on sum up of general study methods of spatial relationship of land use and soil erosion
摘要在總結土地利用與土壤侵蝕空間關系一般研究方法的基礎上,引入並修正了土壤侵蝕強度綜合指數和區域土壤侵蝕強度綜合指數,時整個中國境內、遼河中下游地區、南水北調丹江口水庫水源區湖北部分和廣東省惠東縣4個區域土地利用類型與土壤侵蝕強度空間關系進行了定量比較分析。Through a summary of the scientific and technological achievements made by the ministry of land and resources in the course of the 10th five - year plan, this paper analyzes the totality of the achievements and the distribution of task sources, types, disciplines and units responsible for the tasks that are registered in the management office of scientific achievements, and introduces and analyzes the achievements which are awarded the national prizes
摘要通過系統總結國土資源部「十五」期間的科技成果:對「十五」期間在部成果管理辦公室登記的科技成果的總量、任務來源分佈、類別分佈、學科領域分佈和完成單位分佈5方面介紹我部的科技成果基本情況,並通過數據對比進行分析討論;介紹「十五」期間國土資源部科技成果獲國家獎情況及國土資源科學技術獎的申報、評審、獲獎等情況,並進行分析與思考。The objectives of this study are : ( 1 ) collect the basis data about soil physical properties, soil moisture, infiltration and evapotranspiration in the catchment scale for developing a catchment hydrological model, based on the dtm, ( 2 ) provide the hydrological information in the catchment scale for developing agricultural production, vegetation rehabilitation, and reasonable land using in this region. the main conclusions drawn from this study are : ( 1 ) the soil physical properties, including bulk density, saturated soil moisture, field capacity, and wilting moisture, were measured at 56 plots across the catchment
為此,本文以黃土高原溝壑區典型小流域?王東溝為研究對象,通過大量的野外測定和室內分析,系統研究了流域土壤容重、土壤飽和含水量、田間持水量、萎蔫濕度、土壤入滲性能、土壤含水量和蒸散量的空間變異性,以期為該區農業生產、植被恢復和土地合理利用等提供科學的依據,同時為建立基於數字高程模型( dtm )為基礎的流域水文模型積累基礎資料。Species diversity dominance niche community ordination and classificationx population spatial pattern in desert - oasis ecotone in fukang, along with their relation to soil factors, are analyzed by quantitative vegetation analyze methods. the characteristic x dynamic of landscape ecological pattern and their influence factors are also analyzed by the partition of landscape transect. oasis stability is primary explored by the successive observation of soil water and salt in sangonghe basin in fukang
採用植被數量分析方法,分析了荒漠綠洲過渡帶植物群落的物種多樣性、優勢種生態位、群落排序與分類、種群空間格局,以及它們與土壤因子之間的關系;通過劃分景觀樣帶,分析了阜康土地利用景觀生態格局的特徵、動態及其影響因子;通過阜康三工河流域土壤水鹽的動態觀測,對于綠洲穩定性進行了初步探索。The study shows that : over the past 30 years, land covers in maotiaohe river basin have experienced dramatic change
研究表明:在過去三十年間,貓跳河流域土地利用/覆被發生了比較劇烈的變化。Employing the satellite images of landsat - mss and landsat - tm and the integrated techniques of rs, gis, and gps, the authors, with maotiaohe river basin as a case, studied the process and driving factors of land use / cover changes since the beginning of 1970s, and modeled the possible land use / cover changes scenarios in the coming 10 years based on clue - s model, and then made an ecological evaluation on effect of the changes over the past 30 yeas as well as in the coming 10 years by using theory and method of landscape ecology. in this research, the authors, from the angle of international lucc studies, threw much light on the land use / cover changes in the basin and also the derived ecological and environmental problems such as karst rocky desertification
本文以位於貴州中部的貓跳河喀斯特流域為對象,以1973年的mss和1990年、 2002年的tm等衛星影像為數據源,運用rs - gis - gps集成技術,研究了該地區在過去三十年間土地利用/覆被變化的過程、驅動機制,運用clue - s模型模擬、預測了該流域在不同目標情景模式下的土地利用/覆被變化,並運用景觀生態學的方法對貓跳河流域過去三十年間的土地利用/覆被變化以及未來不同情景模式下的土地利用/覆被變化的生態效應進行了評價。Spatial variation of steady water infiltration rates of small watershed in hilly and gully loess region
黃土丘陵區小流域土壤穩定入滲速率空間變異With the expansive terrain, the regional differences of the natural resources gift and the social and economic development are remarkable in china. the mode of land use, the structure of regional land use and the extent of land use are very different in spatial distribution
中國地域遼闊,自然資源稟賦與社會經濟發展的區域差異顯著,土地資源的利用方式、區域土地利用結構、土地利用程度等具有高度的空間異質性。Using 3d 20 - node iso - parameter, 3d 12 - node infinite element and 3d 16 - node interface element, a coupled numerical approach for pile group - soil system under lateral loads is set up. a corresponding three - dimensional, nonlinear and elastic - plastic program ( epagpll ), include two materials and four nonlinear constitutive relations, is worked out by fortran 90 computer language. in the analysis the nonlinear e - model, k - g model and cambridge model with two yield surfaces are employed in the analysis of near - field soil, and the nonlinear analysis method is used in the piles - soil interface and distant - field soil
本人用有限元進行樁體和近域土的分析,對遠域土體採用無限單元,在樁土之間採用接觸面單元,建立了平面8節點環狀單元6節點無限元6節點接觸面單元相耦合的數值計算模型;針對豎直受力樁的流變分析,本人用內嵌于autocad的vba語言編制了前處理程序,可以快速形成包括網格、節點編號、單元編號在內的數據文件,供計算程序使用;同時在前人關于流變問題研究的基礎上,引進土體非線性流變本構模型,利用有限元、無限元、接觸面單元相結合的方法,用c + +語言編制了相應的計算程序。The remote sensing technologic on the acquiring and capturing and information and the gis technologic on the data management and spatial analysis will give into full play in the study of land resources as whole, seeking the application possibility of remote sensing and gis technologies in land suitability evaluation. the database in this study fully reflecting the land quality in the yeerqiang river valley has been set up, including spatial database and attribute database comes from various types of data collecting, processing, analysis and field observation
在此基礎上,將遙感技術與gis技術相結合,充分發揮遙感在土地信息獲取和gis在數據管理和空間分析方面的優勢將土地資源視為一個有機的整體進行研究,探索遙感技術和gis在土地開發評價中的應用。建立了反映葉爾羌河流域土地質量的數據庫,包括空間數據庫和屬性數據庫。空間數據庫是利用遙感和gis技術完成的;屬性數據是通過對收集的各種資料進行分析整理、野外數據觀測和信息採集等建立的。Spatial variability of soil inorganic carbonate carbon ( sic ) content and of soil organic carbon ( soc ) content were analyzed by geostatistics approach. the complex factors affected spatial variability of soil carbon content were preliminarily discussed the storages of sic and soc c pool were estimated in the whole watershed based on the two years located research, the storage of co2 c pool in same watershed was estimated too
本文以磚窯溝流域為研究區域,通過對該流域62個點的取樣分析,運用地統計學方法研究了該流域土壤無機碳酸鹽碳和有機碳的空間變異性特徵,探討了影響空間變異的復雜因素,估算了流域土壤無機碳酸鹽碳庫和有機碳碳庫儲量。Standard test method for water content and density of soil in place by time domain reflectometry
時間域反射測量法現場測定土壤含水量和密度的標準試驗方法2. based on the built spatial and attribute database and the basic plat of visual foxpro, by the technology of objected programming, designed and built the land resource dynamic monitor information system ( lrdmis ) for applied
以空間和屬性數據庫為基礎,以visualfoxpro為基礎平臺,採用面向對象的編程方法,設計建立了小流域土地資源動態監測信息系統( lrdmis ) 。分享友人