Effects of water discharge and sediment load on evolution of modern Yellow River Delta, China, over the period from 1976 to 2009

	Effects of water discharge and sediment load on evolution of modern Yellow River Delta, China, over the period from 1976 to 2009
	Yu, J.1,5; Fu, Y.1,2; Li, Y.1,2 ; Han, G.1; Wang, Y.1,2 ; Zhou, D.1,2 ; Sun, W.3; Gao, Y.4; Meixner, F. X.5
发表期刊	BIOGEOSCIENCES
ISSN	1726-4170
	2011
卷号	8 期号:9 页码:2427-2435
关键词	Thematic Mapper Yangtze-river Recent Trends Sea Patterns Impacts System Mouth
产权排序	[Yu, J.; Fu, Y.; Li, Y.; Han, G.; Wang, Y.; Zhou, D.] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Lab Coastal Wetland Ecol, Key Lab Coastal Zone Environm Proc, Yantai 264003, Peoples R China; [Fu, Y.; Li, Y.; Wang, Y.; Zhou, D.] Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China; [Sun, W.] Chinese Acad Sci, Guangzhou Inst Geochem, Key Lab Isotope Geochronol & Geochem, Guangzhou 510640, Guangdong, Peoples R China; [Gao, Y.] Univ Houston, Dept Earth & Atmospher Sci, Houston, TX 77204 USA; [Yu, J.; Meixner, F. X.] Max Planck Inst Chem, Biogeochem Dept, D-55020 Mainz, Germany
通讯作者	Yu, J (reprint author), Chinese Acad Sci, Yantai Inst Coastal Zone Res, Lab Coastal Wetland Ecol, Key Lab Coastal Zone Environm Proc, Yantai 264003, Peoples R China
英文摘要	The Yellow River, which is the second largest river in China, is regarded as the world's largest contributor of fluvial sediment load to the ocean. In recent decades, the dramatic reduction in water discharge and sediment load due to climate change and human activities in the drainage basin has greatly constrained the evolution process of Yellow River delta. We highlight how runoff and sediment load discharged into sea affected extension of shoreline length and area of modern Yellow River delta during 1976-2009 based on remote sensing interpretation and long-term monitoring data in hydrological station. Average runoff of 207.47x10(8) m(3) yr(-1) and average sediment load of 4.63x10(8) m(3) yr(-1) were discharged into the sea from 1976 to 2008. The annual runoff reduced by similar to 59.7% in 1990-2002 and annual sediment load reduction up to similar to 72.1% in 2003-2008. Both shoreline length and area of Yellow River Delta extended overall in the studied period, but with decreasing rates in accordance with changes of runoff and sediment load. High increasing rate of shoreline length of similar to 3.63 km yr(-1) and quick area extension of similar to 16.26 km(2) yr(-1) were observed in 1976-1985. Since 1996 however, the average increase rate of shoreline length and area decreased to similar to 0.80 km yr(-1) and similar to 3.94 km(2) yr(-1), respectively. In addition, the fluctuated changes of shoreline and area were great and the net negative increase of land area was occurred during this period. There exist significant exponential relationships between the accumulated sediment load and extensions of shoreline length and the area during the evolution of the modern Yellow River Delta. Our results indicate that the evolution of shoreline and change of area of the Yellow River Delta are directly affected by the dramatic reduction of runoff and sediment load, which are much close related human being activities in Yellow River drainage basin in recent decades.; The Yellow River, which is the second largest river in China, is regarded as the world's largest contributor of fluvial sediment load to the ocean. In recent decades, the dramatic reduction in water discharge and sediment load due to climate change and human activities in the drainage basin has greatly constrained the evolution process of Yellow River delta. We highlight how runoff and sediment load discharged into sea affected extension of shoreline length and area of modern Yellow River delta during 1976-2009 based on remote sensing interpretation and long-term monitoring data in hydrological station. Average runoff of 207.47x10(8) m(3) yr(-1) and average sediment load of 4.63x10(8) m(3) yr(-1) were discharged into the sea from 1976 to 2008. The annual runoff reduced by similar to 59.7% in 1990-2002 and annual sediment load reduction up to similar to 72.1% in 2003-2008. Both shoreline length and area of Yellow River Delta extended overall in the studied period, but with decreasing rates in accordance with changes of runoff and sediment load. High increasing rate of shoreline length of similar to 3.63 km yr(-1) and quick area extension of similar to 16.26 km(2) yr(-1) were observed in 1976-1985. Since 1996 however, the average increase rate of shoreline length and area decreased to similar to 0.80 km yr(-1) and similar to 3.94 km(2) yr(-1), respectively. In addition, the fluctuated changes of shoreline and area were great and the net negative increase of land area was occurred during this period. There exist significant exponential relationships between the accumulated sediment load and extensions of shoreline length and the area during the evolution of the modern Yellow River Delta. Our results indicate that the evolution of shoreline and change of area of the Yellow River Delta are directly affected by the dramatic reduction of runoff and sediment load, which are much close related human being activities in Yellow River drainage basin in recent decades.
文章类型	Article
资助机构	CAS[kzcx2-yw-223, kzcx2-yw-359, XDA05020503]; National Natural Science Fundation for Distinguished Young Scholar of Shandong Province[JQ201114]; National Commonweal (Agricultural) research project[200903001]; CAS/SAFEA international partnership program for creation research team; National Natural Science Foundation of China[40873062]; Science and Technology Planning Program of Shandong Province[2008GG20005006, 2008GG3NS07005]; Project of National Science & Technology Pillar Program[2011BAC02B01]
收录类别	SCI
语种	英语
关键词[WOS]	THEMATIC MAPPER ; YANGTZE-RIVER ; RECENT TRENDS ; SEA ; PATTERNS ; IMPACTS ; SYSTEM ; MOUTH
研究领域[WOS]	Environmental Sciences & Ecology ; Geology
WOS记录号	WOS:000295375700002
引用统计	被引频次：67[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.yic.ac.cn/handle/133337/5402
专题	中国科学院烟台海岸带研究所知识产出海岸带生物学与生物资源利用重点实验室_海岸带生物学与生物资源保护实验室
作者单位	1.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Lab Coastal Wetland Ecol, Key Lab Coastal Zone Environm Proc, Yantai 264003, Peoples R China 2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China 3.Chinese Acad Sci, Guangzhou Inst Geochem, Key Lab Isotope Geochronol & Geochem, Guangzhou 510640, Guangdong, Peoples R China 4.Univ Houston, Dept Earth & Atmospher Sci, Houston, TX 77204 USA 5.Max Planck Inst Chem, Biogeochem Dept, D-55020 Mainz, Germany
推荐引用方式 GB/T 7714	Yu, J.,Fu, Y.,Li, Y.,et al. Effects of water discharge and sediment load on evolution of modern Yellow River Delta, China, over the period from 1976 to 2009[J]. BIOGEOSCIENCES,2011,8(9):2427-2435.
APA	Yu, J..,Fu, Y..,Li, Y..,Han, G..,Wang, Y..,...&Meixner, F. X..(2011).Effects of water discharge and sediment load on evolution of modern Yellow River Delta, China, over the period from 1976 to 2009.BIOGEOSCIENCES,8(9),2427-2435.
MLA	Yu, J.,et al."Effects of water discharge and sediment load on evolution of modern Yellow River Delta, China, over the period from 1976 to 2009".BIOGEOSCIENCES 8.9(2011):2427-2435.

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