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DOI10.1007/s10661-020-08806-0
Are the shoreline and eutrophication of desert lakes related to desert development?
Luo, Lihui; Zhao, Wenzhi; Wang, Lixin; Ogashawara, Igor; Yang, Qiyue; Zhou, Hai; Yang, Rong; Duan, Quntao; Zhou, Chenglin; Zhuang, Yanli
通讯作者Zhao, WZ (通讯作者),Univ Chinese Acad Sci, Beijing 100049, Peoples R China. ; Wang, LX (通讯作者),Indiana Univ Purdue Univ Indianapolis IUPUI, Dept Earth Sci, Indianapolis, IN 46202 USA.
发表日期2021
ISSN0167-6369
EISSN1573-2959
卷号193期号:1
英文摘要Desert lakes are unique ecosystems found in oases within desert landscapes. Despite the numerous studies on oases, there are no reports regarding the spatiotemporal distribution and causes of eutrophication in the desert lakes that are located at the edge of the Linze Oasis in northwestern China. In this study, the seasonal shoreline and eutrophication of a desert lake were monitored using an unmanned aerial vehicle (UAV) and water sampling during three crop growth stages. The spatial extents of the shoreline and algal blooms and the chromophoric dissolved organic matter (CDOM) absorption coefficient were derived through UAV images. The desert lake shoreline declined during the crop growing stage, which exhibited the largest water demand and began to expand after this stage. The estimated CDOM absorption coefficient measurements and classified algal bloom area showed seasonal variations that increased from spring to late summer and then decreased in autumn. The first two crop growth stages accounted for most of the water and fertilizer requirements of the entire growth period, which may have contributed to large amounts of groundwater consumption and pollution and resulted in peak eutrophication of the lake in the second growth stage. However, the CDOM absorption coefficient of the third stage was not well correlated with that of the first two stages, suggesting that the lake may be affected by the dual effects of groundwater and precipitation recharge in the third stage. These results indicate that the water quality of desert lakes may be affected by agricultural cultivation. The agricultural demands for water and fertilizer may change the spatiotemporal changes in water quality in the lake, especially in the middle and early stages of crop growth.
英文关键词Desert lake; Desert development; Unmanned aerial vehicle; Shoreline; Eutrophication; Algal blooms
语种英语
WOS研究方向Environmental Sciences & Ecology
WOS类目Environmental Sciences
WOS记录号WOS:000608021600001
来源期刊ENVIRONMENTAL MONITORING AND ASSESSMENT
来源机构中国科学院西北生态环境资源研究院
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/254391
作者单位[Luo, Lihui; Zhao, Wenzhi; Yang, Qiyue; Zhou, Hai; Yang, Rong; Duan, Quntao; Zhuang, Yanli] Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, Linze Inland River Basin Res Stn, Key Lab Inland River Basin Ecohydrol, Lanzhou 730000, Peoples R China; [Luo, Lihui; Zhao, Wenzhi; Yang, Qiyue; Zhou, Hai; Yang, Rong; Duan, Quntao; Zhuang, Yanli] Univ Chinese Acad Sci, Beijing 100049, Peoples R China; [Wang, Lixin; Ogashawara, Igor; Zhuang, Yanli] Indiana Univ Purdue Univ Indianapolis IUPUI, Dept Earth Sci, Indianapolis, IN 46202 USA; [Ogashawara, Igor] Leibniz Inst Freshwater Ecol & Inland Fisheries, Dept Expt Limnol, D-16775 Stechlin, Germany; [Zhou, Chenglin] Chinese Acad Sci, Lanzhou Informat Ctr, Northwest Inst Ecoenvironm & Resources, Lanzhou 730000, Peoples R China
推荐引用方式
GB/T 7714
Luo, Lihui,Zhao, Wenzhi,Wang, Lixin,et al. Are the shoreline and eutrophication of desert lakes related to desert development?[J]. 中国科学院西北生态环境资源研究院,2021,193(1).
APA Luo, Lihui.,Zhao, Wenzhi.,Wang, Lixin.,Ogashawara, Igor.,Yang, Qiyue.,...&Zhuang, Yanli.(2021).Are the shoreline and eutrophication of desert lakes related to desert development?.ENVIRONMENTAL MONITORING AND ASSESSMENT,193(1).
MLA Luo, Lihui,et al."Are the shoreline and eutrophication of desert lakes related to desert development?".ENVIRONMENTAL MONITORING AND ASSESSMENT 193.1(2021).
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