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试论长江上游砂金矿成矿地质特征及开发
《资源开发与保护》1990年第3期163-167,共5页周宏仁 
砂金是黄金的重要来源之一,一般认为砂金矿的形成和富集主要与三四级水系密切,而不重视一二级水系,认为不易形成砂金矿.近2年来,经地质调查和研究发现在长江上游一级水系中富集有砂金矿。砂金主要赋存于第四系冲积层内,砂砾层中普遍含金...
关键词:长江 砂金 开发 保护 
Distributions of Picophytoplankton and Phytoplankton Pigments Along a Salinity Gradient in the Changjiang River Estuary, China被引量:1
《Journal of Ocean University of China》2014年第4期621-627,共7页WANG Baoli LIU Congqiang WANG Fushun LI Siliang Sivaji Patra 
supported by the Foundation of Chinese Academy of Sciences (Grant No: kzcx2-ew-102);the National Natural Science Foundation of China (Grant No. 41021062)
We investigated the abundance of different picophytoplankton groups and the phytoplankton pigment ratio in relation to environmental factors such as nutrients and suspended solids along a salinity gradient in the Chan...
关键词:SYNECHOCOCCUS PICOEUKARYOTES phytoplankton pigment SALINITY Changjiang River Estuary 
Nitrogen budget in the Changjiang River drainage area被引量:1
《Chinese Journal of Oceanology and Limnology》2012年第4期654-667,共14页江涛 俞志明 宋秀贤 曹西华 
Supported by the Knowledge Innovation Program of Chinese Academy of Sciences (No.KZCX2-YW-Q07-02);the National Basic Research Program of China (973Program)(No.2010CB428706);the Fund for Creative Research Groups of NSFC(No.41121064);the National Natural Science Foundation of China (No.41106090)
We established a budget model of nitrogen (N) inputs and outputs between watersheds and waterbodies to determine the sources of riverine N in the Changjiang (Yangtze) River drainage area. Nitrogen inputs in the bu...
关键词:nitrogen budget EUTROPHICATION Changjiang (Yangtze) River drainage area riverine nitrogen transport 
The Ecological Distributions of N, P Utilizing Bacteria and Heterotrophic Bacteria in the Moderate Hypoxia Zone of the Changjiang Estuary
《Journal of Ocean University of China》2013年第4期589-598,共10页LIU Jingjing DU Ping ZENG Jiangning CHEN Quanzhen SHOU Lu LIAO Yibo JIANG Zhibing 
supported by the National Basic Research Program of China(2010CB428903);the Chinese offshore Investigation and Assessment Program(908-01-BC06);the National Marine Public Welfare Research Project of China(201305043-3);the Innovative Team of Key Science and Technology on Marine Aquaculture of Zhejiang Province(2010R50025);the Marine Science Foundation of State Oceanic Administration for Youth(2013140);the National Natural Science Foundation of China(41306112);the Zhejiang Provincial Natural Science Foundation(LY13D060004);the Basic Scientific Research Fundof SIO,China(JG1 311,JG1312)
The distributions of N utilizing bacteria (denitrifying bacteria and ammonifying bacteria) ,P utilizing bacteria (organic phosphobacteria and inorganic phosphobacteria) and heterotrophic bacteria in the Changjiang Est...
关键词:Changjiang Estuary HYPOXIA bacterial functional group 
Sinking of particulates ^(234)Th_(xs),~7Be and ^(210)Pb_(xs) in the Changjiang estuary,China
《Chinese Journal of Oceanology and Limnology》2010年第6期1152-1159,共8页黄德坤 杜金洲 吴云峰 李道季 张经 
Supported by the National Natural Science Foundation of China (No.40976054);the State Key Laboratory of Estuarine and Coastal Research of China (No. 2008KYYW08);the National Basic Research Program of China (973 Program) (Nos. 2002CB412405 and 2006CB400601)
The time scale of transport and reaction processes in the ocean can be evaluated using natural radionuclides of different half-lives.In the present study,we evaluated the residence times of particulate reactive radion...
关键词:thorium-234 beryllium-7 lead-210 residence times Changjiang (Yangtze River) estuary 
Hydraulic Energy Development of Changjiang Valley in First 5 Decades of 21st Century
《人民长江》2001年第S1期23-28,共6页QIU Zhong enProfessor, Design Institute, Changjiang Water Resources Commission, Wuhan 430010, China 
The Changjiang River Valley is rich in hydraulic energy resources. A rough estimation of the technically developable volume and the economically developable volume for the Changjiang River Valley was drawn out on the ...
关键词:HYDRAULIC energy DEVELOPMENT WATER RESOURCES DEVELOPMENT comprehensive utilization of WATER RESOURCES DEVELOPMENT objectives CHANGJIANG River VALLEY 
Morphological evolution of the channel-shoal system in the South Channel of the Changjiang Estuary during 1958–2018:Causes and future trends被引量:1
《Journal of Geographical Sciences》2022年第11期2291-2310,共20页LUAN Hualong YAO Shiming QU Geng LEI Wentao 
Natural Science Foundation of China-Ministry of Water Resources-China Three Gorges Corporation Joint Fund for Changjiang Water Science Research,No.U2040202;National Natural Science Foundation of China,No.42006156,No.52009008;Fundamental Research Funds for Central Public Welfare Research Institutes,No.CKSF2021530/HL;Research Project on Major Scientific and Technological Issues in Watershed Water Management,No.CKSC2020791/HL。
The stability of estuarine channel-shoal systems is important for port utilization,navigation maintenance,habitat protection and ecosystem service functions.This paper uses the South Channel of the Changjiang(Yangtze ...
关键词:channel-shoal pattern morphological evolution process-based modeling South Channel Changjiang Estuary 
Impacts of anthropogenic activities on the Changjiang(Yangtze)estuarine ecosystem(1998–2012)被引量:2
《Acta Oceanologica Sinica》2015年第6期86-93,共8页CHEN Dong DAI Zhijun XU Ren LI Daoji MEI Xuefei 
The Funds for Ministry of Science and Technology of China(SKLEC);the National Natural Science Foundation of China under contact Nos 41076050 and 48505350;New Century Excellent Talents in University of China under contract No.NCET-12-0182
Estuarine ecosystem has greatly changed in the recent decades due to anthropogenic perturbations in the Changjiang Estuary. Change patterns and impact factors were analyzed based on the continuous data in relation to ...
关键词:ECOSYSTEM anthropogenic activities Changjiang (Yangtze) Estuary 
Composition of fish communities in an intertidal salt marsh creek in the Changjiang River estuary,China被引量:1
《Chinese Journal of Oceanology and Limnology》2009年第4期806-815,共10页全为民 倪勇 施利燕 陈亚瞿 
Supported by Special Research Fund for the National Non-profit Institutes (East China Sea Fisheries Research Institute) (No.2007M03) and Administration Bureau of Virescence of Shanghai Municipality
Fish communities in a (third-order) intertidal creek in Dongtan marsh in the Changjiang (Yangtze) River estuary were investigated seasonally for one year. A total of 1 996 fish specimens (10 967.8 g) comprising ...
关键词:fish communities HABITAT NURSERY tidal creek salt marsh Changjiang (Yangtze) River estuary 
CHARACTERISTICS OF ENVIRONMENTAL AND CLIMATE CHANGE IN CHANGJIANG DELTA AND ITS POSSIBLE MECHANISM被引量:8
《Acta meteorologica Sinica》2000年第2期129-140,共12页陈隆勋 朱文琴 周秀骥 
the key project"Interaction of lower atmospheric physico-chemical processes with ecological system in Changjiang Delta"sponsored by the National Natural Science Foundation of China.
Characteristics of climate change in the Changjiang Delta were analyzed based on the annual mean meteorological data since 1961,including air temperature,maximum and minimum air temperature,precipitation,sunshine dura...
关键词:climate change urban heat island economic development human activity Changjiang Delta 
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