Vegetation dynamics and their response to freshwater inflow and climate variables in the Yellow River Delta, China
Jiang, Dejuan1; Fu, Xinfeng2; Wang, Kun3
发表期刊QUATERNARY INTERNATIONAL
ISSN1040-6182
2013-08-05
卷号304页码:75-84
关键词Estuary Precipitation Variability Impact Index
产权排序[Jiang, Dejuan] Chinese Acad Sci, Yantai Inst Coastal Zone Res YIC, Key Lab Coastal Zone Environm Proc,YICCAS, Shandong Prov Key Lab Coastal Zone Environm Proc, Yantai 264003, Shandong, Peoples R China; [Fu, Xinfeng] Yellow River Inst Hydraul Res, Zhengzhou 450003, Peoples R China; [Wang, Kun] State Key Lab Remote Sensing Sci, Beijing 100101, Peoples R China
通讯作者Jiang, DJ (reprint author), Chinese Acad Sci, Yantai Inst Coastal Zone Res YIC, Key Lab Coastal Zone Environm Proc,YICCAS, Shandong Prov Key Lab Coastal Zone Environm Proc, Chunhui Rd 17, Yantai 264003, Shandong, Peoples R China. djjiang@yic.ac.cn
英文摘要Based on SPOT Vegetation NDVI data, streamflow data and meteorological data, the variation of vegetation cover, measured by the Normalized Difference Vegetation Index (NDVI), and its response to freshwater inflow, precipitation and temperature in the Yellow River Delta and its buffer zones have been investigated for the period 1998-2009. The results show that NDVI has a remarkable regional and seasonal difference. The farther from the Yellow River Channel and the nearer to the Bohai Sea Coastline, the smaller the NDVI value, as influenced by the interaction between freshwater and saltwater on vegetation. Seasonally, high NDVI values appear in summer (August) and low in spring (April). From 1998 to 2009, growing season NDVI significantly increases in the Yellow River Delta. Summer and autumn NDVI have a similar trend pattern to growing season NDVI, while spring NDVI significantly decreases. NDVI shows different strengths of correlation with freshwater inflow, precipitation and temperature respectively and these correlations vary in different seasons and months. Freshwater inflow is a key factor for vegetation dynamics and NDVI variation. Climate features play a dominant role in seasonal variation in vegetation cover. However, the impacts of freshwater inflow and climate variables on vegetation have been greatly modified by a range of human activities such as land use pattern and land use change as well as water diversion from the Yellow River. Overall, the results of this study can be helpful for decision-making of regional ecological protection and economic development. (C) 2012 Elsevier Ltd and INQUA. All rights reserved.; Based on SPOT Vegetation NDVI data, streamflow data and meteorological data, the variation of vegetation cover, measured by the Normalized Difference Vegetation Index (NDVI), and its response to freshwater inflow, precipitation and temperature in the Yellow River Delta and its buffer zones have been investigated for the period 1998-2009. The results show that NDVI has a remarkable regional and seasonal difference. The farther from the Yellow River Channel and the nearer to the Bohai Sea Coastline, the smaller the NDVI value, as influenced by the interaction between freshwater and saltwater on vegetation. Seasonally, high NDVI values appear in summer (August) and low in spring (April). From 1998 to 2009, growing season NDVI significantly increases in the Yellow River Delta. Summer and autumn NDVI have a similar trend pattern to growing season NDVI, while spring NDVI significantly decreases. NDVI shows different strengths of correlation with freshwater inflow, precipitation and temperature respectively and these correlations vary in different seasons and months. Freshwater inflow is a key factor for vegetation dynamics and NDVI variation. Climate features play a dominant role in seasonal variation in vegetation cover. However, the impacts of freshwater inflow and climate variables on vegetation have been greatly modified by a range of human activities such as land use pattern and land use change as well as water diversion from the Yellow River. Overall, the results of this study can be helpful for decision-making of regional ecological protection and economic development. (C) 2012 Elsevier Ltd and INQUA. All rights reserved.
文章类型Article
资助机构National Natural Science Foundation of China [40901028]
收录类别SCI
语种英语
关键词[WOS]ESTUARY ; PRECIPITATION ; VARIABILITY ; IMPACT ; INDEX
研究领域[WOS]Physical Geography ; Geology
WOS记录号WOS:000323094800009
引用统计
被引频次:41[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/133337/6961
专题中国科学院海岸带环境过程与生态修复重点实验室
作者单位1.Chinese Acad Sci, Yantai Inst Coastal Zone Res YIC, Key Lab Coastal Zone Environm Proc,YICCAS, Shandong Prov Key Lab Coastal Zone Environm Proc, Yantai 264003, Shandong, Peoples R China
2.Yellow River Inst Hydraul Res, Zhengzhou 450003, Peoples R China
3.State Key Lab Remote Sensing Sci, Beijing 100101, Peoples R China
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Jiang, Dejuan,Fu, Xinfeng,Wang, Kun. Vegetation dynamics and their response to freshwater inflow and climate variables in the Yellow River Delta, China[J]. QUATERNARY INTERNATIONAL,2013,304:75-84.
APA Jiang, Dejuan,Fu, Xinfeng,&Wang, Kun.(2013).Vegetation dynamics and their response to freshwater inflow and climate variables in the Yellow River Delta, China.QUATERNARY INTERNATIONAL,304,75-84.
MLA Jiang, Dejuan,et al."Vegetation dynamics and their response to freshwater inflow and climate variables in the Yellow River Delta, China".QUATERNARY INTERNATIONAL 304(2013):75-84.
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