洪積地 的英文怎麼說
中文拼音 [hóngjīde]
洪積地
英文
diluvial land-
( 1 ) the soil from century garden is an alluvial and diluvia soil in an alkalescent medium
( 1 )世紀花園地基土是在弱偏堿性介質環境下形成的沖洪積沉積。The elementary idea of the reference units method can be described as follows : firstly, by the setting of double series of reference units, we can control the highest and lowest land quality class of each village or town ; secondly, the class of the arable land will be get through the contrast between the arable land with the reference unit which has been selected in the same area, the difference in quality is the key factor to classify the land. the results show, 87. 6 % of the lands from i to iii distribute on alluvial and lacustrine plains, where the associated soils are mainly grey fulvo - aquic and calcareous concretions black ones. and 61. 4 % of them from iv to vi distribute on slightly rolling parts with mainly yellow - cinnamon soil developed from the diluvial and slope deposits
分等結果表明:臥龍區等的耕地中,有87 . 6分佈在沖積、湖積平原區,主要土壤類型是在河流沖積物上發育形成的灰潮土、在湖相沉積物上發育形成的砂姜黑土;等耕地中,有61 . 4分佈在壟崗區,主要土壤類型是洪坡積物上發育形成的黃褐土:而、等耕地集中分佈在丘陵區,主要土壤類型是殘坡積物上發育形成的粗骨性黃褐土,等別結果分佈總體上體現了不同地貌類型、土壤條件下耕地質量的差異。Because the road line is in mountainous region and heavy hilly area and its surface relief undulates greatly, more slope wash and dilurial layer distribution, there are more harm, for example, island shaped perennially frozen soil, drift ice and so on, which effect the stability of the road foundation
由於沿線地處山嶺重丘地區,地勢起伏較大,坡積物及洪積層分佈較多。故島狀多年凍土、涎流冰等病害較多,影響路基的穩定。Abstract : this paper analyzes causal factors of flood in the middle reaches of changjiang river. due to neglection of environmental management, soil erosion in the upper and middle reaches of the changjiag river, lake sedimentation, large - scale reclamation of marshes, the flood regulation capacity of the lake was descended, and flood stage was risen and prolonged. consequently more and more river levees and lake dikes were reinforced almost every year to prevent the disasters, which made flood level go up and flood period last for more days. the frequency of flood and waterlogging disasters rose and their damage was enlarged. several proposals for flood prevention including agricultural modernization are put forward
文摘: 1998年長江大洪水后開始實施的「平垸行洪,退田還湖」的土地利用調整方案,從長遠來說應尋求農業安全且收入逐漸提高條件下的土地利用,長江中游地區應積極推進農業現代化,提高農業勞動生產率,轉移,減少分蓄洪區的人口,移民建鎮,對區內的土地要促進其規模經營,由優秀的有文化的農民經營,平時只有少量的直接從事農業生產的經營管理人員,農忙時則大量地使用季節性合同工或實現機械化,大洪水時退田還湖,減輕長江幹流大洪水的壓力,減少分洪與特大洪災時的損失,這樣還可促進避洪、冬季農業等的發展,也有利於長江中上游地區陡坡耕地的退耕還林,還可在糧食充足時進行休耕,在旱災、糧食緊張時擴大糧食生產?The material sources of the zhangxia loess which is exposed on the terraces in zhangxia of changqing region of jinan are complicated, including materials transported by northwestern current and eastern bohai bay current and the local pluvial sediments
其中出露在河岸階地的濟南市長清區張夏鎮的黃土物質來源復雜,既有西北氣流、東部渤海灣氣流搬運而來的物質,又有當地生成的坡洪積碎屑物質。6 diversity fragmentation and evenness of ecological landscape in fukang increase with more utilization and development. the change of landscape pattern about land utilization is mainly area variation of plantation and wasteland in pluvial fan and alluvial plain, the key influence factors are the dynamic of soil moisture and salinity under the development of water and land resource
6 、在阜康各景觀帶中,隨人為開發利用程度的增強,景觀多樣性、破碎度和均勻性增加;荒漠綠洲土地利用景觀生態格局的變化,集中體現在位於洪積扇與沖積平原的耕地和荒地面積變動上,關鍵影響因子是水土資源利用下的土壤水鹽動態變化。Mostly broad plains ; reedy marshes along iranian border in south with large flooded areas ; mountains along borders with iran and turkey
伊拉克大部分地區都是廣闊的平原,南部沿伊朗邊境是大面積的洪水泛濫區,與伊朗和土耳其邊境的是山脈。Dig jade is it leave riverbed in river valley terrace, do beach to refer to, ancient river and alluviation, diluvian gravel that fan have dig seeking and d jade gravel of the layer in front of the mountains the jade of these places is brought by the flowing water too
挖玉是指離開河床在河谷階地干灘古河道和山前沖積洪積扇上的礫石層中挖尋和闐玉礫。這些地方的玉也是由流水帶來的。When catchment area, average channel gradient and catchment shape factor of designed culvert or bridge are known, a user can be convenient to get local parameters c, e and b from standard contour charts and easy to calculate flood flow just by a calculator. design period of flood flow is enormously shortened as well as a high precision. estimated flood flow through culvert or small bridge by new calculation model is generally less than by traditional methods, so that much cost is cut down a s reducing the span of culvert or small bridge
以75000km ~ 2的川中丘陵地區為試點研究區,繪制了該地區新模型的參數等值線圖,率定了不同設計頻率的改正系數,使設計者只需在地形圖上獲取集水面積,河道平均坡降和流域形狀系數,在參數等值線圖上查得橋涵所在地的相應參數,使用計算器即可迅速計算出設計流量,大大縮短了設計周期,且精度較高,設計的洪水流量一般低於傳統方法,從而可減小橋涵跨徑,節省投資。Because of the unreasonable operation mode, the reservoirs sedimentation is serious, which lead to the problems of inadequate use of water resource, degressive works benefit and high risk in water works operation and flood control in this area
但長期以來,由於運用方式不合理,水庫工程泥沙淤積嚴重,徑流資源得不到充分利用,工程效益逐年衰減,並對工程運行和地區防洪安全形成嚴重威脅。So according to the technology regulation of reclamation engineering, hydraulic calculation must be carried out in the design of final closure. this paper firstly introduces the progression and present situation of reclamation engineering, emphasizing on the features of present reclamation and on the experiences and theories of home and abroad ; using fortran perfects the hydraulic calculation program of the closure and makes the program to meet different conditions ( such as considering flood, the variation of time interval, multi - entrance, multi - reservoir capacity ), and after comparing and analyzing a great deal of schemes, the reasonable computation scheme was brought up ; the interface of the program was carried out by the programming language vb to make the process of calculation become easier and more distinct, so the result can be analyzed and handled more directly ; vb is used in the later management of the result to plot the graphic chart of the isoline of the maximum of hydraulic element ( the velocity of flow, the drop height and the rate of flow ) automatically ; finally it was applied in the reclamation project of dongbidao of fuqing
本文首先介紹圍海工程的發展進程與國內外圍海的開發現狀,重點介紹了我國目前圍海工程的特點及在圍海工程實踐中積累的經驗和理論;利用fortran語言完善堵口工程龍口水力計算程序,使程序可以滿足圍海工程復雜工況下(如考慮內港洪水、計算時段的變化、多口門、多庫容、多水閘)的龍口水力計算,並進行大量方案的比較和分析,提出合理計算方案;利用面向對象的可視化編程語言vb進行界面開發,使計算過程有良好的人機界面,更直觀地對計算結果進行分析和處理;計算結果的后處理採用vb編程實現龍口水力要素最大值等值線圖的繪制;並運用所編軟體對福建省福清市東壁島圍墾工程進行龍口水力計算,為堵口合龍提供科學依據。Forests as an adjuster for ecological balance in mountain areas play important roles in soil and water conservation, runoff and silt retardance etc. especially, forests are regarded as " forest reservoir " due to their great hydrological regulation functions through canopy, undergrowth, litterfall and soil layers
森林是山地生態平衡的重要調節器,特別是其水源涵養、理水保土、緩洪滯淤的功能對于山地面積大的福建省顯得極為重要。森林通過林冠層、林下植被層、枯枝落葉層以及土壤層發揮良好的涵養水源、保持水土、削峰滯洪等「森林水庫」的功能。At the edge of many lakes and rivers are saturated wetlands ? the swamps, bogs, and marshes ? that support myriad types of plant and animal life, prevent floods, retain sediments, and purify drinking water
許多河流湖泊的邊緣都是潮濕的土壤? ?沼澤、泥沼和濕地? ?那裡生長著各式各樣的動植物,是防洪、沉積物聚集和凈化飲用水的地方。Many geological and hydrological factors of the river section, where the yellow river water intake engineering is laid out, such as the capacity of the reservoirs along the river section upstream and downstream, the rate of the flow discharge, the erosion and silt of the watercourse, the form of the riverbed and the water current, ice tuck, the convergence of the upstream branches of the river section, flood crest, sand crest size, the capacity for flood discharge of the watercourse, the effect of flood control structure around and the impacts on surrounding environment and the third person " s legitimate rights and interests, should be considered
黃河取水工程的布設要考慮工程所處河段的地質水文等諸多因素。如該河段上下游水庫的庫容,泄水流量、河道沖刷、淤積、河床形態、水流形態、冰塞、河段上游的支流匯入、洪峰、沙峰的大小、河道行洪能力的大小、周圍防洪工程的影響及對周圍環境和第三人合法權益的影響等等。Due to issues of dongting lake districts flood composition, the evolution of sediment flow, the river and lake ( r & l ) distribution characteristic as well as the layout of r & l - dredging engineering, the article simulated the model of the dongting lake terrain change by using the gis technology and adopted the limited volumetric method to establish the two - dimensional hydraulics computation model of lake in order to forecast the water level, the flow capacity, the speed of flow and changes of flow field after implemented the project, which have provided the reliable theoretic basis for the decision - making and implementation of renovation for river course, canal and harbor and river course - dredging engineering
摘要針對洞庭湖區的洪水組成、水流泥沙演變、河道湖泊水系分佈特點以及河道湖泊疏浚工程布局情況,利用gis技術模擬洞庭湖地形變化,採用有限體積法建立了湖泊二維水力學計算模型預測疏浚工程實施后的水位、流量、流速流場變化,為河道、航道港口整治、河道疏浚清淤等工程決策與實施提供了可靠理論依據。When the flood subsided, it left a layer of mud in the fields.
洪水過后,地里淤積了一層泥漿。In this paper, regarding the analysis of stability factors of majiatian tailings fill dam, namely regional geologic structure, rock - soil body of dam foundation, poor geology phenomenon, leach consolidation and chemical consolidation of tailings, seepage water of dam body and king - size flood water of majiatian tailings reservoir, a preliminary demonstration on probability of earthquake liquefaction and seepage failure of dam bodys tailings sand soil, of the dam body failure resulted from abutment landslide and of the flood water overflowing crest, as well as on the contribution of leach consolidation and chemical consolidation of tailings to the stability of dam body has been performed
通過對馬家田尾礦庫區域地質構造、庫區不良地質觀察、尾礦淋濾固結和化學固結、壩體滲透水和庫區特大洪水等因素對馬家田尾礦堆積壩體穩定性影響的分析,初步論證了壩體尾礦砂土的地震液化、滲透破壞、壩肩滑坡使壩體失穩和洪水漫頂的可能性,以及尾礦淋濾固結和化學固結作用有助於壩體的穩定性。In this paper, regarding the analysis of stability factors of majiatian tailings fill dam, namely regional geologic structure, rock - soil body of dam foundation, poor geology phenomenon, leach consolidation and chemical consolidation of tailings, seepage water of dam body and king - size flood water of majiatian tailings reservoir, a preliminary demonstration on probability of earthquake liquefaction and seepage failure of dam body ' s tailings sand soil, of the dam body failure resulted from abutment landslide and of the flood water overflowing crest, as well as on the contribution of leach consolidation and chemical consolidation of tailings to the stability of dam body has been performed
通過對馬家田尾礦庫區域地質構造、庫區不良地質觀察、尾礦淋濾固結和化學固結、壩體滲透水和庫區特大洪水等因素對馬家田尾礦堆積壩體穩定性影響的分析,初步論證了壩體尾礦砂土的地震液化、滲透破壞、壩肩滑坡使壩體失穩和洪水漫頂的可能性,以及尾礦淋濾固結和化學固結作用有助於壩體的穩定性。Teams who have modelled the climate in the area are warning of greatly reduced snowpacks and more intense flooding as temperatures inch up during the 21st century
對該地區氣候進行了模擬研究的科研小組警告說,在21世紀期間,隨著氣溫的逐漸上升,積雪場將大幅度減少,洪水泛濫將更為嚴重。This dissertation is mainly about regional land resource evaluation and land use analysis based on g1s and soter ( soil and terrain spatial and attribute database ) database. the research content is composed of three parts. the first is medium scale soter database study, in this part, the new landform indexes are studied, which are elevation classification, slope classification and relief index classification
在邯鄲地區1 25萬soter土壤土地數據庫建立方面,主要探討了適用於該比例尺的主地形體指標,提出海拔高度分組指標、坡度分組指標和地勢起伏強度分組指標,並利用上述三個指標組合劃分出邯鄲地區中坡度丘陵( sh ) 、低坡度山前臺地( lm ) 、山谷( lv ) 、中坡度山體( sm ) 、山前傾斜平原( lf )和沖洪積平原( lp ) 6個主地形體組分。分享友人