river sediment 中文意思是什麼

river sediment 解釋
河床沉積
  • river : n 1 河，江。 Rriver Thames 或 the R Thames 泰晤士河； the Hudson R 〈美國〉哈得孫河。 the Rriver ...
  • sediment : n. 1. 沉澱（物）；沉渣。2. 【地質學；地理學】沉積物。
  1. A statistical model is developed and indicates high correlation between the accretion of modem yellow river delta and the water and sediment discharge of yellow river, and the model shows the necessary water and sediment discharge per year to ensure the equilibrium of alluvion and erosion of yellow river delta

    黃河三角洲凈造陸面積與黃河入海水沙量的統計模型說明，黃河三角洲沖淤動態平衡時的黃河入海徑流量為71 . 93億m ~ 3 a ，輸沙量為1 . 853億t a 。
  2. 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。
  3. Towards the research on two flood water of yuhe river in datong city during 2004, by measuring and comparing their discharge, sediment concentration 、 nutrient include organic, phosphorus, potassium, azote, the result shows that the nutrient content of the sediment is greatly larger than that of supernatant fluid

    摘要以2004年大同市御河乾渠兩場洪水為研究對象，對其流量、含沙量、養分（包括有機質，氮，磷，鉀）做了測定和比較，研究結果表明：洪水中下層泥沙中的養分含量遠大於上清液中的養分含量；洪水中整體養分含量隨著含沙量的增大而增大，並且養分含量和含沙量呈近似線性關系。
  4. The main contents include : water environment, marine sediment and the trend monitoring of marine life quality ; at the same time, to consolidate the monitoring of the functional zones, such as seashore bathing places, oceanic reserves, marine aquafarms ; to set up the seashell monitoring and controlling zones in the sea areas of both pingtan and yunxiao at the first time ; to carry out the statistical monitoring of polder, exploiting sea sand, spartin aallerni flora, terrestrial sewages, etc., to carry out monitoring of the total quantity of pollutants into the offshore marine areas in the min river, the jiulong river as well as the municipal sewages of xinlin industry in xiamen and jiaocheng in ningde ; to carry out the red tide monitoring in the offshore marine areas of fujian province ; to implement time - lapse, pointing and continuous red tide monitoring of high frequency and high intensity in the sandu gulf, the min river estuary and offshore marine areas of xiamen

    主要內容包括水環境、海洋沉積物和海洋生物質量的全海域環境趨勢性監測，同時加強了海水浴場、海洋保護區、海水增養殖區等功能區監測；首次在平潭和雲霄海域設置了貝類監控區；開展了圍填海、海砂開采、互花米草、陸源排污口統計監測；並在閩江、九龍江、廈門杏林工業排污口、寧德蕉城市政排污口鄰近海域開展污染物入海總量監測；在全省近岸海域開展赤潮監視監測，對三都灣、閩江口、廈門近岸海域赤潮監控區實施高頻率、高密度的定時定點連續監測。
  5. Multispectral data for bathymetry is often performed in relatively clear shallow waters, up to now, no one use multispectral data for bathymetry in estuary waters of yellow river, where the highest sediment concentration in the world has been observed. in another part of this thesis, multispectral data acquired by landsat - 5 tm and in situ data are used for bathymetry in estuarine waters of yellow river. statistical models based on one band and two bands of tm respectively are developed

    利用兩期水深的比對可以揭示黃河水下三角洲的沖淤演變規律，但由於實測水深資料獲取較為困難，因而利用遙感來反演水深是一個重要的選擇，為此，本文在黃河口海現代黃河三角洲沖淤演變規律與遙感應用研究端走取兩個試驗區進行了多光譜遙感水深反演試驗，試驗結果表明，在極高泥沙濃度、較強水動力條件的黃河口海域，用多光譜遙感反演水深是可行的。
  6. Chondrite normalized ree distribution patterns for the core q43 are comparable to those of the sediment of changjiang river and huanghe river delta

    球粒隕石標準化后的稀土元素具有與長江、黃河、黃土等上陸殼沉積物相一致的特徵。
  7. Modeling the relationship between hexi inner continental river sediment grain - sizes and drainage basin height differences

    河西內陸河現代沉積物粒徑與流域高程關系研究
  8. Linkage of grain size information with river sediment discharge and estuarine deposition at the pearl river estuary

    河口沉積與粒度信息之間的聯系
  9. From sedimentology symbol such as rock assembled, sediment gradus, sandstone grading analysis, protogene sedimentary structure, ichnofossile and logging facies etc and palaeoenvironment background, it is confirmed that shen84 - an12block s34 segment is braid river delta system, not fan delta system ( abrupt slope ). then it can be more partition as braid river delta plain sedimentary assembled, delta front sedimentary assembled and prodelta sedimentary assembled on core and log assembled. and delta plain sedimentary assembled can be identified four microfacies : braided distributary channel, crevasse splay, overbank deposits and interdistributary bay

    沉積微相研究是儲層非均質性研究的基礎，研究區有豐富的巖芯資料和測井資料，通過巖石組合、沉積韻律，砂巖粒度分析、沉積構造、古生物遺跡和測井相等沉積學標志，結合古環境背景，確定沈84 ?安12塊s _ 3 ~ 4段為辮狀河三角洲體系，而不是前人所認為的扇三角洲（陡坡型）體系，在巖芯和測井組合上可進一步劃分為辮狀河三角洲平原沉積組合、三角洲前緣沉積組合和前三角洲沉積組合，其中三角洲平原沉積組合又可識別出辮狀分流河道、決口扇、分流河道邊部和分流間灣四種微相類型；三角洲前緣沉積組合識別出水下分流河道、水下分流河道邊部和分流河口壩三種微相。
  10. Most of the sediment directly enters the headwaters of the mekong river or is deposited in riparian areas where it is entrained during later floods

    大部分泥沙直接進入了湄公河上游或是沉降在河岸地區，被日後的洪水中帶走。
  11. The carbonate content varied from 0 to 34. 55 % in the column of drilling core ey02 - 2, the higher carbonate content related to materials of modern and old yellow river in postglacial period, while the peak carbonate content related to the shell fragment in the sediment, the dissolved cycle appeared to be the carbonate dissolved cycle of the atlantic mode

    Ey02 - 2孔柱樣碳酸鹽含量在0 - 34 . 55之間變化，呈現大西洋型caco _ 3溶解旋迴，冰後期以來碳酸鹽高含量與高碳酸鹽的現代黃河和廢黃河物質有關，而中晚更新世碳酸鹽極高含量與貝殼含量有關。
  12. Many research such as clay minerals, suspend in the sea, the grain size trend analysis of surface sediment, poc 6 cu and 8 c13 in bottom sediments etc. showed that : the yellow sea warm current divided the south yellow sea into two, the terrestrial material of modern sediment on the west shelf plain mainly came from the modem yellow river suspend carried by the alongshore current, and the sediment difference between the west and east side of yellow sea trough was represented by the sedimentation thickness in postglacial period, sedimentation stratum, and oxygen isotope record

    粘土礦物、碳酸鹽、粗碎屑、海域懸浮體、表層沉積物粒度趨勢分析、 poc c ~ （ 13 ）及底質沉積物的c ~ （ 13 ）等多方面研究表明：以黃海暖流為主導，南黃海堆積陸架平原西側現代沉積物陸源物質主要源於黃海沿岸流攜帶的現代黃河懸移物質，黃海槽東西兩側的沉積差異主要表現在冰消期以來沉積厚度、沉積層序、氧同位素記錄上。
  13. Yellow river estuary is typical weak tide and high sediment deposition estuary, the yellow river sediment transport and settling deposition process is the capital factor to determine estuary evolvement characteristics. any method provided for estuary management, there is no exception to have tight relationship with estuary sediment transport and settling deposition process. this paper summarized the yellow river estuary basic characteristics firstly, point out existing problem in this research domain

    黃河河口系典型的弱潮多沙堆積性河口，黃河河口泥沙的輸移擴散和沉積過程是決定河口演變發展特徵的首要因素，黃河河口任何一項治理措施的提出，無一例外均與河口泥沙的輸移和沉積分佈狀況存在密切關系本文首先對黃河河口的基本特性進行了概括總結，在簡略回顧黃河河口泥沙輸移與沉積的有關研究成果的基礎上，指出了當前在此研究領域內存在的問題。
  14. Index of geoaccumulation ; taizi river ; sediment ; heavy metal pollution

    地積累指數太子河沉積物重金屬污染
  15. Aiming at the 28km long river regulation and protection works on fuyuan reach where the river evolutions are complicated and the dimensions of control works are difficult to calculate, this dissertation is to study three - dimensional numerical analogue not only under natural conditions but also under ten regulation schemes, using the river sediment quasi - two - dimensional model associated with the river sediment plane two - dimensional model and the river three - dimensional model

    針對江道演變復雜，工程布局及控導工程結構尺寸難以計算的撫遠28公里長江段的防護整治工程，按天然情況和10個不同整治方案利用河流泥沙準二維數學模型、河流泥沙平面二維數學模型和河道三維水流數學模型結合進行三維整體的數值模擬。
  16. Spef ; chai river ; sediment ; heavy metals ; pollution

    次生相富集系數法柴河沉積物重金屬污染
  17. Yellow river ; sediment ; water pollution ; interactions between sediments and water

    黃河泥沙水污染泥沙與水相互作用
  18. The sediments in the core are weakly weathered, lightly abraded and bad sorted, they have the same feature as river sediment, which is derived from near source and did not experience seriously transformation by ocean. due to the rate of insufficient sediment supply the sedimentation rate is low

    碎屑礦物風化程度低，磨蝕不顯著，分選較差，河流砂特徵明顯，沉積物來自於近源，由河流輸送入海，海洋改造不十分強烈，由於物源供應不足，沉積速率較低。
  19. In this work, four representative samples paddy soil, river sediment, pond sediment and marine sediment from pearl river delta southern china and southern china sea are studied

    本工作在珠江三角洲地區採集了四種土壤和表層沉積物樣品，分別是稻田土壤、河流、稻田和海洋沉積物。
  20. Chen, w. 2006, “ biodegradation of sequestered pahs in a river sediment, ” presented at the 3rd cross - strait conference on soil and groundwater contamination and remediation, taipei, taiwan

    陳威2006 ， 「美國土壤與地下水管理與修復工作中的經驗和教訓」 ，中國環境科學學會全國土壤污染控制修復與鹽土改良技術交流會，深圳。
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