《International Journal of Digital Earth》

作品数：1141被引量：1674H指数：15
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《International Journal of Digital Earth》
主办单位：中国科学院遥感与数字地球研究所
最新期次：2023年1期更多>>
发文主题：REMOTE_SENSINGEARTHLANDSATGEOMAPPING更多>>
发文领域：自动化与计算机技术天文地球经济管理电子电信更多>>
发文基金：国家自然科学基金国家重点基础研究发展计划国家高技术研究发展计划国家科技支撑计划更多>>
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Forest status assessment in China with SDG indicators based on high-resolution satellite data
《International Journal of Digital Earth》2023年第1期1008-1021,共14页Xiaomei Zhang Guojin He Shijie Yan Tengfei Long Xueli Peng Zhaoming Zhang Guizhou Wang 
supported by the Strategic Priority Research Program of the Chinese Academy of Sciences(XDA 19090300,XDA 19090124);the National Natural Science Foundation of China(61731022);the Second Tibetan Plateau Scientific Expedition and Research Program(2019QZKK030701);Chinese Academy of Sciences Net-work Security and Informatization Special Project(CAS-WX2021PY-0107-01).
To assess the status and change trend of forest in China,an indicator framework was developed using SDG sub-indicators.In this paper,we propose an improved methodology and a set of workflows for calculating SDG indica...
关键词：Remote sensing sustainability forest status assessment SDG_(15.1.1) SDG_(15.2.1) 
Digital earth:yesterday,today,and tomorrow被引量：4
《International Journal of Digital Earth》2023年第1期1022-1072,共51页Alessandro Annoni Stefano Nativi ArzuÇöltekin Cheryl Desha Eugene Eremchenko Caroline M.Gevaert Gregory Giuliani Min Chen Luis Perez-Mora Joseph Strobl Stephanie Tumampos 
The concept of Digital Earth(DE)was formalized by Al Gore in 1998.At that time the technologies needed for its implementation were in an embryonic stage and the concept was quite visionary.Since then digital technolog...
关键词：Digital Earth digital transformation sustainable development data governance and ethic citizen empowerment and industry engagement 
Ocean surface currents estimated from satellite remote sensing data based on a global hexagonal grid
《International Journal of Digital Earth》2023年第1期1073-1093,共21页Wenbo Wang Huijun Zho Senyuan Zheng Guonian Lu Liangchen Zhou 
Global ocean surface currents estimated from satellite derived data based on a regular global grid are affected by the grid’s shape and placement.Due to different neighbourhood relationships,the rectangular lat/lon g...
关键词：ISOTROPIC hexagonal grid satellite remote sensing data geostrophic currents Ekman currents 
Mapping soil organic matter content using Sentinel-2 syntheticimages at different time intervals in Northeast China
《International Journal of Digital Earth》2023年第1期1094-1107,共14页Chong Luo Wenqi Zhang Xinle Zhang Huanjun Liu 
supported by the Strategic Priority Research Program of the Chinese Academy of Sciences(XDA28100000);the K.C.Wong Education Foundation,Jilin Provincial Development and Reform Commission Innovation Capacity Building Project(grant number 2021C044-10);the Special fund project for high-tech indus-trialization of science and technology cooperation between Jilin Province and the Chinese Academy of Sciences(2021SYHZ0013).
Mapping soil organic matter(SOM)content has become an important application of digital soil mapping.In this study,we processed all Sentinel-2 images covering the bare-soil period(March to June)in Northeast China from ...
关键词：Sentinel-2 environmental covariates baresoilperiod synthetic images different time intervals soilorganic matter 
Vegetation ecological benefts index (VEBI): a 3D spatial model for evaluating the ecological benefits of vegetation
《International Journal of Digital Earth》2023年第1期1108-1123,共16页Zhimei Zhang Yanguo Fan Zhijun Jiao Bowen Fan Junwei Zhou Zhanhao Li 
supported by Independent innovation project-strategic special:[Grant Number 24720221004A-3];National Natural Science Foundation of China:[Grant Number 42106172].
Urban population explosion may increase ecological environment discomfort,thereby affecting negatively humans’mental and physical performance.Therefore,it is important to detect and monitor vegetation and predict its...
关键词：Urban environment vegetation ecological benefits 3D landscape pattern LIDAR hyperspectral image 
Optimizing segmented trajectory data storage with HBase for improved spatio-temporal query efficiency
《International Journal of Digital Earth》2023年第1期1124-1143,共20页Yi Bao Zhou Huang Xuri Gong Yuyang Zhang Ganmin Yin Han Wang 
support from the National Natural Science Foundation of China(42271471,42201454,41830645);the International Research Center of Big Data for Sustainable Development Goals(CBAS2022GSP06).
The surging accumulation of trajectory data has yielded invaluable insights into urban systems,but it has also presented challenges for data storage and management systems.In response,specialized storage systems based...
关键词：Trajectory storage HBASE trajectory segmentation spatio-temporal query 
Template-based knowledge reuse method for generating high-speed railway virtual construction scenes被引量：1
《International Journal of Digital Earth》2023年第1期1144-1163,共20页Heng Zhang Wen Zhao Zujie Han Jun Zhu Qing Zhu Xinwen Ning Dengke Fan Hua Wang Fengpin Jia Wei Fang Bin Yang Weilian Li 
supported by the National Natural Science Foundation of China(grant number 42201445,42201446,42271424 and U2034202);the Key Technologies R&D Program of Tianjin(grant number 20YFZCGX00710);the Key Research and Development Program of China Railway Design Corporation(grant number 2022A02538002).
Virtual construction has become an important approach to the high-quality development of high-speed railways,but existing methods have problems such as low efficiency in generating virtual construction scenes and the ...
关键词：High-speed railway 3D scene virtual construction parametric template knowledge reuse 
A novel fine-resolution snow depth retrieval model to revealdetailed spatiotemporal patterns of snow cover in NortheastChina被引量：2
《International Journal of Digital Earth》2023年第1期1164-1185,共22页Yanlin Wei Xiaofeng Li Lingjia Gu Xingming Zheng Tao Jiang 
supported by Strategic Priority Research Program of the Chinese Academy of Sciences[grant number XDA28110502];National Natural Science Foundation of China[grant number 41871248];Changchun Science and Technology Development Plan Project[grant number 21ZY12];Innovation and Entrepreneurship Talent Project of Jilin Province[grant number 2023QN15].
Seasonal snow cover is a key component of the global climate and hydrological system,it has drawn considerable attention under global warming conditions.Although several passive microwave(PMW)snow depth(SD)products ha...
关键词：Passive microwave remote sensing snow depth inversion machine learning fine resolution Northeast China 
An improved social force model (ISFM)-based crowd evacuation simulation method in virtual reality with a subway fire as a case study被引量：3
《International Journal of Digital Earth》2023年第1期1186-1204,共19页Jinbin Zhang Jun Zhu Pei Dang Jianlin Wu Yuxuan Zhou Weilian Li Lin Fu Yukun Guo Jigang You 
supported by the National Natural Science Foundation of China[grant no 42271424,42171397];Sichuan Transportation Science and Technology Program[grant no 2021-B-02];Chengdu Science and Technology Program[grant no 2021XT00001GX].
Crowd evacuation simulation using virtual reality(VR)is significant for digital emergency response construction.However,existing evacuation simulation studies suffer from poor adaptation to complex environments,ineffi...
关键词：Subway stationfire improved social force model crowd evacuation simulation virtual reality path planning 
Monitoring of Carbon Monoxide (CO) changes in the atmosphere and urban environmental indices extracted from remote sensing images for 932 Iran cities from 2019 to 2021
《International Journal of Digital Earth》2023年第1期1205-1223,共19页Mohammad Mansourmoghaddam Iman Rousta Haraldur Olafsson Przemysław Tkaczyk Stanisław Chmiel Piotr Baranowski Jaromir Krzyszczak 
Carbon Monoxide(CO)is an important urban pollutant with a relation to 5,transition economies based on emission intensities.In this study,Sentinel-MODerate resolution Imaging Spectroradiometer(MODIS),and Landsat-8 imag...
关键词：Urban pollutants enhanced vegetation index urban index absorbing aerosol index aerosol optical depth 
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