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特色活动 | GeoInsider在线讲座 第40期:中国地表水和陆地水储量的时空动态过程及驱动力分析

The following article is from 科研圈内人 Author 地学小雅


活动简介

GeoInsider Webinar

在线讲座系列第40期


题目:Gainers and losers of surface and terrestrialwater resources in China during 1989 – 2016(Nature Communications paper)


报告人:XinxinWang, 1) Fudan University, China; 2)  University of Oklahoma, USA

      王新新,复旦大学,俄克拉荷马大学联合培养博士


时间:北京时间 10月9日(周五)上午10:00

   加州时间 10月8日(周四)晚上7:00

   悉尼时间 10月9日(周五)中午12:00  


参与方式:B站“GeoInsider”直播间平台,直播间可现场留言提问,进入方式如下二选一:

(a)B站直播间链接:https://live.bilibili.com/22243531

(b)B站直播间二维码:



Presentation Abstract

Data and knowledge of the spatial-temporal dynamics of surface waterarea (SWA) and terrestrial water storage (TWS) in China are critical forsustainable management of water resources but remain very limited. Here wereport annual maps of surface water bodies in China during 1989-2016 at 30-mspatial resolution. We find that SWA decreases in water-poor northern China butincreases in water-rich southern China during 1989-2016. Our results alsoreveal the spatial-temporal divergence and consistency between TWS and SWAduring 2002-2016. In North China, extensive and continued losses of TWS,together with small to moderate changes of SWA, indicate long-term water stressin the region. Approximately 569 million people live in those areas withdeceasing SWA or TWS trends in 2015. Our dataset and the findings from thisstudy could be used to support the government and the public to addressincreasing challenges of water resources and security in China.

References:


[1] Wang, X., Xiao, X., Zou, Z., Dong, J., Qin, Y., Doughty, R.B., ... & Ma, J. (2020). Gainers and losers of surface and terrestrialwater resources in China during 1989–2016. Nature communications, 11(1), 1-12.


[2] Zou, Z., Xiao, X., Dong, J., Qin, Y., Doughty, R. B.,Menarguez, M. A., ... & Wang, J. (2018). Divergent trends of open-surfacewater body area in the contiguous United States from 1984 to 2016. Proceedingsof the National Academy of Sciences, 115(15), 3810-3815.


[3] Wang, X., Xiao, X., Zou, Z., Hou, L., Qin, Y., Dong, J., ...& Ma, J. (2020). Mapping coastal wetlands of China using time seriesLandsat images in 2018 and Google Earth Engine. ISPRS Journal of Photogrammetry and Remote Sensing, 163, 312-326.


[4] Wang, X., Xiao, X., Zou, Z., Chen, B., Ma, J., Dong, J., ...& Li, X. (2018). Tracking annual changes of coastal tidal flats in Chinaduring 1986–2016 through analyses of Landsat images with Google Earth Engine.Remote Sensing of Environment, 238, 110987.




GeoInsider简介


GeoInsider是一个最初由旧金山湾区的GeoScience同行自发形成的公益性交流平台,定位在顶级的产学研交叉,包括PNS级讲座、产业应用转化、留学Intern教职申请等交流,迄今已邀请发表过Science、Nature等高水平文章,以及来自Harvard、Berkeley等顶级机构的Webinar报告交流,是一个扩大学术影响力的平台。欢迎关注B站、微信公众号、QQ交流群:602423441。


往期报告

B站账号:GeoInsider,账号里有多期PNS学术报告视频以及国外GeoScience大学信息,欢迎粉丝直接进入GeoInsider主页观看往期视频:https://space.bilibili.com/579909660


致谢


本活动由GeoInsider主办,科研圈内人承办,全国地理学研究生联合会、武汉大学GeoScience Cafe协办,熊猫润色PandaEdit特别赞助,并得到北京师范大学地理科学学部GEO云讲堂、环宇易研科技、科研探索学术者WSRS团队、自然科学交流平台等单位的大力支持。


温馨提示:

  • 报告35分钟, 留言板&语音提问讨论25~40分钟

  • 报告期间可在B站直播间弹幕留言提问,报告部分结束依次回答

  • 以后报告信息将在微信公众号“科研圈内人”发布

  • 视频和提问将在B站“GeoInsider”直播和部分共享https://live.bilibili.com/22243531


QQ交流群:602423441,二维码为:

微信交流群请先加小助手微信(扫描如下二维码),备注“Geoinsider加群”,由其拉入群内。

转载自:科研圈内人

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文章仅代表作者观点,与本公众号无关,版权归原作者所有

原文标题:GeoInsider在线讲座 第40期:中国地表水和陆地水储量的时空动态过程及驱动力分析



排版:张平平

责任编辑:王佳雯

审编:鲁嘉颐 

终审:顾伟男   田巍   梁龙武

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