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Impact of urbanization on terrestrial carbon storage loss in the Hohhot-Baotou-Ordos region, China: evaluating people-space interactions Int. J. Digit. Earth (IF 5.1) Pub Date : 2024-04-18 Sargai, Yulin Dong, Wenhui Kuang, Yuhai Bao, Yinyin Dou, Junzhi Wang
Urbanization improves the living environment of billions of people but negatively impacts the local carbon cycle as it encroaches on ecosystems. We analyzed this dual effect of urbanization by quan...
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Scale effects-aware bottom-up population estimation using weakly supervised learning Int. J. Digit. Earth (IF 5.1) Pub Date : 2024-04-16 Jing Xia, Rui Li, Xinrui Liu, Guangyu Liu, Mingjun Peng
Fine-scale population estimation (FPE) is crucial for urban management. After training, the bottom-up FPE models can be applied independently of census data. However, given the lack of real fine-sc...
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An unsupervised semantic segmentation method that combines the ImSE-Net model with SLICm superpixel optimization Int. J. Digit. Earth (IF 5.1) Pub Date : 2024-04-16 Zenan Yang, Haipeng Niu, Xiaoxuan Wang, Liang Huang, Kui Yang
In the field of remote sensing, using a large amount of labeled image data to supervise the training of fully convolutional networks for the semantic segmentation of images is expensive. However, u...
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Using secondary data from mobile phones to monitor local food market access during disasters: an Australian case study Int. J. Digit. Earth (IF 5.1) Pub Date : 2024-04-15 Ahmed Qasim, Dian Tjondronegoro, Cheryl Desha, Kimberley Reis, Febi Dewirahmadi
Community food security is vital to creating inclusive, safe, resilient, and sustainable cities with zero hunger, in alignment with the United Nations' Sustainable Development. Local food economies...
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A MWCMLAI-Net method for LAI inversion in maize and rice using GF-3 and Lutan radar data Int. J. Digit. Earth (IF 5.1) Pub Date : 2024-04-11 Xiaoxuan Wang, Xiaoping Lu, Zenan Yang
This study aimed at alleviating the problems of unsatisfactory inversion accuracy and weak model stability in LAI remote sensing quantitative inversion. The properties and complex scattering mechan...
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Spatiotemporal coverage capability of moon-based SAR for water dynamic monitoring in global vegetation tipping elements Int. J. Digit. Earth (IF 5.1) Pub Date : 2024-04-08 Guoqiang Chen, Wenjin Wu, Yaqi Geng, Qiong Chen, Yuanzhen Ren, Sijia Li, Yongfeng Suo, Kai Wu, Huadong Guo
Changes in water content dynamics can serve as predictive indicators for catastrophic transitions in vegetation tipping elements. Vegetation water content is a rapidly changing parameter with sub-d...
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Determining the impacts of climate change and human activities on vegetation change on the Chinese Loess Plateau considering human-induced vegetation type change and time-lag effects of climate on vegetation growth Int. J. Digit. Earth (IF 5.1) Pub Date : 2024-04-08 Miaomiao Cheng, Zhihui Wang, Shidong Wang, Xinjie Liu, Wenzhe Jiao, Yi Zhang
Since the initiation of the Grain for Green Project (GFGP) in 1999, dramatic change in vegetation status on the Loess Plateau. Spatially, geographical detector was employed to detect dominant varia...
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A review of research methods on the coupling relationship between urban rail transit and urban space: revealing spatiotemporal relationships through big data Int. J. Digit. Earth (IF 5.1) Pub Date : 2024-04-08 Zishuo Liu, Haishan Xia, Tong Zhang
Urban rail transit (URT) systems play an evident role in shaping city spatial structures; however, the principles and mechanisms behind this influence are not fully understood. This paper reviews r...
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rupMC: a ray-unit parallel marching cubes algorithm on CPU/GPU heterogeneous architectures Int. J. Digit. Earth (IF 5.1) Pub Date : 2024-04-09 Xue Yang, Shuo Yun, Qingfeng Guan, Huan Gao
The marching cubes (MC) algorithm is widely used for extracting isosurfaces from volume data and 3D visualizations because of its effectiveness and robustness but require extensive memory and compu...
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Unveiling urban area growth dynamics: insights from a comprehensive study of urban area growth curves Int. J. Digit. Earth (IF 5.1) Pub Date : 2024-04-09 Haoyu Wang, Lubin Bai, Shuping Xiong, Shihong Du, Xiuyuan Zhang
Amidst rapid global urbanization, comprehending urban area growth (UAG) dynamics is vital for urban planning and sustainability. Despite ample urban development research, the historical development...
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FRIC: a framework for few-shot remote sensing image captioning Int. J. Digit. Earth (IF 5.1) Pub Date : 2024-04-04 Haonan Zhou, Lurui Xia, Xiaoping Du, Sen Li
The training of image captioning (IC) models requires a large number of caption-labeled samples, which is usually difficult to satisfy in the actual remote sensing scenarios. The performance of the...
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Localizing urban SDGs indicators for an integrated assessment of urban sustainability: a case study of Hainan province Int. J. Digit. Earth (IF 5.1) Pub Date : 2024-04-04 Sijia Li, Zhongchang Sun, Huadong Guo, Xiaoying Ouyang, Zongqiang Liu, Huiping Jiang, Hongwei Li
Due to the Sustainable Development Goals (SDGs) being designed at both national and globally applicable level, it is challenging to adequately reflect the local context and characteristics in diffe...
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A multi-source data fusion method for land cover production: a case study of the East European Plain Int. J. Digit. Earth (IF 5.1) Pub Date : 2024-04-05 Kai Li, Juanle Wang
Large-area high-precision land cover mapping faces challenges such as a lack of uniform classification systems and the inability to compare different products. The current use of deep learning meth...
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Estimating asset wealth using multidimensional luminous information in areas lacking nighttime light Int. J. Digit. Earth (IF 5.1) Pub Date : 2024-04-01 Mengjie Wang, Xi Li
Due to the difficulty of obtaining survey data, nighttime light (NTL) imagery has emerged as valuable alternative data for asset wealth estimation. However, the nighttime light values do not differ...
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Multilevel data simplification methods for flood process visualizations based on visual perceptions Int. J. Digit. Earth (IF 5.1) Pub Date : 2024-03-26 Yi Li, Zhiguo Gao, Dongchuan Wang, Jun Sun, Guoyong Zhang, Jianhua Gong
Visualizations of flood processes require a balance between scientific authenticity and realistic expressions. As the flood area increases, the amounts of time-series data that are produced by floo...
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Mitigation of tropospheric delay induced errors in TS-InSAR ground deformation monitoring Int. J. Digit. Earth (IF 5.1) Pub Date : 2024-03-25 Shipeng Guo, Xiaoqing Zuo, Wenhao Wu, Xu Yang, Jihong Zhang, Yongfa Li, Cheng Huang, Jingwei Bu, Shasha Zhu
Interferometric Synthetic Aperture Radar (InSAR) is capable of detecting crust deformation. However, the accuracy is limited by spatiotemporal changes in the lower troposphere. In this paper, we co...
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Developing an annual building volume dataset at 1-km resolution from 2001 to 2019 in China Int. J. Digit. Earth (IF 5.1) Pub Date : 2024-03-25 Wenting Yan, Jianping Wu, Chaoqun Zhang, Xiuzhi Chen, Jiashun Ren, Zhenzhen Xiao, Ziyin Liao, Raffaele Lafortezza, Xueyan Li, Yongxian Su
Urban vertical features are crucial for understanding urban morphology. However, long-term information on three-dimensional buildings, which are important fundamental data for studying on the histo...
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End-to-end digital twin creation of the archaeological landscape in Uruk-Warka (Iraq) Int. J. Digit. Earth (IF 5.1) Pub Date : 2024-03-19 Max Haibt
This article demonstrates recent technological advancements enabling the creation of digital twins for expansive real-world terrains. Focusing on the archaeological site Uruk-Warka in southern Iraq...
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Estimating the mixed layer depth of the global ocean by combining multisource remote sensing and spatiotemporal deep learning Int. J. Digit. Earth (IF 5.1) Pub Date : 2024-03-22 Hua Su, Zhiwei Tang, Junlong Qiu, An Wang, Xiao-Hai Yan
Estimating the ocean mixed layer depth (MLD) is crucial for studying the atmosphere-ocean interaction and global climate change. Satellite observations can accurately estimate the MLD over large sc...
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Quantification of uncertainty caused by geometric location mismatch in the validation of TROPOMI solar-induced chlorophyll fluorescence product Int. J. Digit. Earth (IF 5.1) Pub Date : 2024-03-20 Qicheng Zeng, Xiaodan Wu, Rongqi Tang, Jingping Wang, Xingwen Lin, Jianguang Wen, Qing Xiao
Validation of the TROPOspheric Monitoring Instrument (TROPOMI) SIF product is a necessity to evaluate its feasibility in various applications. A few validation works have been conducted through dir...
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Evolutionary dynamics of island shoreline in the context of climate change: insights from extensive empirical evidence Int. J. Digit. Earth (IF 5.1) Pub Date : 2024-03-18 Yuxin Zhang, Hao Li, Dong Li, Xiyong Hou, Peng Guo, Jiawei Guo
The evolution and future trajectory of island shorelines, amidst global climate change, are of increasing concern to governments, communities and researchers worldwide. However, the field of island...
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Continuous monitoring of grassland AGB during the growing season through integrated remote sensing: a hybrid inversion framework Int. J. Digit. Earth (IF 5.1) Pub Date : 2024-03-18 Hang Li, Kai Liu, Banghui Yang, Shudong Wang, Yu Meng, Dacheng Wang, Xingtao Liu, Long Li, Dehui Li, Yong Bo, Xueke Li
Inverting grassland above-ground biomass (AGB) presents a significant challenge due to difficulties in characterizing leaf physiological states and obtaining accurate ground-truth data. This study ...
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Tracking the dynamics of tidal wetlands with time-series satellite images in the Yangtze River Estuary, China Int. J. Digit. Earth (IF 5.1) Pub Date : 2024-03-18 Wenting Wu, Zhibin Lin, Chunpeng Chen, Zuoqi Chen, Zhiyuan Zhao, Hua Su
Tidal wetlands provide a variety of ecosystem services to coastal communities but suffer severe losses due to anthropogenic activities in the Yangtze River Estuary (YRE). However, the detailed dyna...
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Evaluating the impact of urban morphology on urban vitality: an exploratory study using big geo-data Int. J. Digit. Earth (IF 5.1) Pub Date : 2024-03-18 Yanxiao Jiang, Zhou Huang, Xiao Zhou, Xiaojian Chen
The United Nations has proposed Sustainable Development Goals (SDGs), of which SDG11 aims to “make cities and human settlements inclusive, safe, resilient and sustainable”. This is in line with Urb...
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Comparative evaluation of vegetation greenness trends over circumpolar Arctic tundra using multi-sensors satellite datasets Int. J. Digit. Earth (IF 5.1) Pub Date : 2024-03-18 Caixia Liu, Huabing Huang, Chong Liu, Xiaoyi Wang, Shaohua Wang
The circumpolar arctic tundra, located at Earth’s highest latitudes, is extremely sensitive to climate warming. Studies on arctic greening, based on satellite data and field measurements, show disc...
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A review of remote sensing image segmentation by deep learning methods Int. J. Digit. Earth (IF 5.1) Pub Date : 2024-03-18 Jiangyun Li, Yuanxiu Cai, Qing Li, Mingyin Kou, Tianxiang Zhang
Remote sensing (RS) images enable high-resolution information collection from complex ground objects and are increasingly utilized in the earth observation research. Recently, RS technologies are c...
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GNSS Ground deformation observation network optimization assisted using prior InSAR-derived ground surface deformation and multiscale iteration estimation Int. J. Digit. Earth (IF 5.1) Pub Date : 2024-03-18 Wenxiang Mao, Zhiwei Li, Zhibin Wang, Peiling Li, Yan Zhu, Jingxin Hou
Ground surface deformation must be monitored to understand and prevent geological hazards. Global navigation satellite system (GNSS) technology has been widely used in deformation monitoring; howev...
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A Novel Map Matching Method Based on Improved Hidden Markov and Conditional Random Fields Model Int. J. Digit. Earth (IF 5.1) Pub Date : 2024-03-12 Wei Li, Youliang Chen, Shiteng Wang, Hongchong Li, Qin Fan
Aiming at the inherent “labeling bias” problem of Hidden Markov Models (HMMs) in the process of low-frequency sampling rate GPS trajectory map matching, this paper proposes a map matching method th...
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Kinematic precise point positioning heights enhancement using static measurements and Voronoi’s corrector surface Int. J. Digit. Earth (IF 5.1) Pub Date : 2024-03-12 Ahmed Al Shouny, Abdullah Kamel, Yehia Miky
Recently, the use of Precise Point Positioning (PPP) has spread widely. Unlike Relative Positioning techniques, PPP uses only a single receiver unit. Although it provides sub-centimeter horizontal ...
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Precise hexagonal pixel modeling and an easy-sharing storage scheme for remote sensing images based on discrete global grid system Int. J. Digit. Earth (IF 5.1) Pub Date : 2024-03-12 Qishuang Liang, Jianbin Zhou, Jin Ben, Yihang Chen, Xinhai Huang, Junjie Ding, Jinchi Dai
Discrete Global Grid Systems (DGGSs) are an emerging Earth reference model that support the integration and analysis of remote sensing (RS) data. Grid modeling, sampling, quantization, and storage ...
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Assessing and predicting changes of ecosystem service values in response to land use/land cover dynamics in Ibb City, Yemen: a three-decade analysis and future outlook Int. J. Digit. Earth (IF 5.1) Pub Date : 2024-03-11 Abdulkarem Qasem Dammag, Jian Dai, Guo Cong, Basema Qasim Derhem, Hafiza Zara Latif
Assessing ecosystem services values (ESV) within land use/land cover (LULC) changes is crucial for promoting human well-being and sustainable development of regional ecosystems. Yet, the spatial re...
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A novel water optical types framework for Chinese inland waters with the application of multitype satellite sensor Int. J. Digit. Earth (IF 5.1) Pub Date : 2024-03-11 Ruidan Sang, Yaping Wang, Fangfang Zhang, Shenglei Wang, Junsheng Li
Optical Water Type (OWT) analysis is crucial for comprehending water composition and quality, key factors in assessing water quality over extensive areas. However, China’s inland waters lack a stan...
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Bidirectional mapping between rhombic triacontahedron and icosahedral hexagonal discrete global grid systems Int. J. Digit. Earth (IF 5.1) Pub Date : 2024-03-06 Xinhai Huang, Jinchi Dai, Jin Ben, Jianbin Zhou, Junjie Ding
The icosahedron is currently the mainstream polygon in research and application of discrete global grid systems (DGGS). However, compared to the rhombic triacontahedron (RT), the icosahedron has di...
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Enhancing flood-prone area mapping: fine-tuning the K-nearest neighbors (KNN) algorithm for spatial modelling Int. J. Digit. Earth (IF 5.1) Pub Date : 2024-03-04 Seyed Vahid Razavi-Termeh, Abolghasem Sadeghi-Niaraki, Saman Razavi, Soo-Mi Choi
This study focuses on determining the optimal distance metric in the K-Nearest Neighbors (KNN) algorithm for spatial modelling of floods. Four distance metrics of the KNN algorithm, namely KNN-Manh...
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Assessing the economic viability of the Arctic Northeast Passage from 2021 to 2065 Int. J. Digit. Earth (IF 5.1) Pub Date : 2024-03-04 Adan Wu, Tao Che, Qingchao Xu, Jiping Wang, Jinlei Chen, Xiaowen Zhu
The Northeast Passage (NEP) holds immense potential as a link for maritime transport activities between Europe and Asia, primarily due to the extended sailing season resulting from global warming. ...
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Random forest regression exploring contributing factors to artificial night-time lights observed in VIIRS satellite imagery Int. J. Digit. Earth (IF 5.1) Pub Date : 2024-03-04 Dipendra Bhattarai, Arko Lucieer
Artificial night-time lights (ANTL) pose environmental, economic, and social problems. To effectively manage this issue, it is important to understand the sources that contribute to it. Previous re...
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Virtual geo-cyber environments: metaphorical visualization of virtual cyberspace with geographical knowledge Int. J. Digit. Earth (IF 5.1) Pub Date : 2024-02-29 Bingchuan Jiang, Xiong You, Ke Li, Tingting Li, Xiao Wang, Dongyu Si
Cyberspace is a dynamic and complex environment that poses unique challenges in understanding and managing its intricacies. In this study, we developed a framework for ‘Geo-Cyber’ spatial correlati...
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Satellite nighttime remote sensing promotes the spatially refined monitoring and assessment of offshore fishery Int. J. Digit. Earth (IF 5.1) Pub Date : 2024-02-28 Hao Tian, Yang Liu, Jianchao Li, Qinwang Xing, He Sun, Yongjun Tian
Offshore small-scale fisheries, constituting 31% of global marine captures, are crucial for the promotion of sustainable fisheries. However, current fishery monitoring, assessments, and management ...
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Integrating bi-temporal VHR optical and long-term SAR images for built-up area change detection Int. J. Digit. Earth (IF 5.1) Pub Date : 2024-02-20 Haoyang Li, Qingyi Jiang, Lingwen Liu, Qian Shi, Xiaoping Liu
With the rapid expansion of urbanization, it is imperative to monitor built-up areas changes to promote the sustainable development of cities, aligning with the goals of Sustainable Development Goa...
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Hybrid inversion of radiative transfer models based on topographically corrected Landsat surface reflectance improves leaf area index and aboveground biomass retrievals of grassland on the hilly Loess Plateau Int. J. Digit. Earth (IF 5.1) Pub Date : 2024-02-22 Shuaifeng Peng, Zhihui Wang, Xiaoping Lu, Xinjie Liu
Accurate monitoring of the leaf area index (LAI) and aboveground biomass (AGB) using remote sensing at a fine scale is crucial for understanding the spatial heterogeneity of vegetation structure in...
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Improving global digital elevation models using space-borne GEDI and ICESat-2 LiDAR altimetry data Int. J. Digit. Earth (IF 5.1) Pub Date : 2024-02-19 Omer Gokberk Narin, Saygin Abdikan, Mevlut Gullu, Roderik Lindenbergh, Fusun Balik Sanli, Ibrahim Yilmaz
Open source Global Digital Elevation Models (GDEMs) serve as an important base for studies in geosciences. However, these models contain vertical errors due to various reasons. In this study, data ...
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Full-automatic high-precision scene 3D reconstruction method with water-area intelligent complementation and mesh optimization for UAV images Int. J. Digit. Earth (IF 5.1) Pub Date : 2024-02-16 Bingxuan Guo, Yingwei Ge, Xiongwu Xiao, Chao Wang, Jianya Gong, Deren Li
Fast and high-precision urban scene 3D modeling is the foundational data infrastructure for the digital earth and smart cities. However, due to challenges such as water-area matching difficulties a...
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Leveraging machine learning and open-source spatial datasets to enhance flood susceptibility mapping in transboundary river basin Int. J. Digit. Earth (IF 5.1) Pub Date : 2024-02-09 Yogesh Bhattarai, Sunil Duwal, Sanjib Sharma, Rocky Talchabhadel
Floods pose devastating effects on the resiliency of human and natural systems. flood risk management challenges are typically complicated in the transboundary river basin due to conflicting object...
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Encoding and operation scheme for the rhombic triacontahedron aperture 4 hexagonal discrete global grid system Int. J. Digit. Earth (IF 5.1) Pub Date : 2024-02-14 Junjie Ding, Xinhai Huang, Jin Ben, Jianbin Zhou, Qishuang Liang, Yihang Chen, Jinchi Dai
Discrete Global Grid System (DGGS) is a hierarchical structure with seamless global coverage, supporting processing and analysis of heterogeneous geospatial data. Compared with the most commonly us...
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Brazil Data Cube Workflow Engine: a tool for big Earth observation data processing Int. J. Digit. Earth (IF 5.1) Pub Date : 2024-02-09 Vitor C. F. Gomes, Gilberto R. Queiroz, Karine R. Ferreira, Edzer Pebesma, Claudio C. F. Barbosa
Earth Observation (EO) satellites have produced vast image collections that are freely accessible to society. However, handling these images often surpasses the capabilities of traditional hardware...
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Remote sensing image feature matching via graph classification with local motion consistency Int. J. Digit. Earth (IF 5.1) Pub Date : 2024-02-06 Yanchun Liu, Xiujing Gao, Zhihong Li
Feature matching is a classic challenge in the computer vision field. In this paper, we propose an innovative graph classification method based on neighborhood motion consistency to eliminate erron...
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Exploring tourist spatiotemporal behavior differences and tourism infrastructure supply–demand pattern fusing social media and nighttime light remote sensing data Int. J. Digit. Earth (IF 5.1) Pub Date : 2024-02-02 Zuyu Gao, Hongyun Zeng, Xingyi Zhang, Huixia Wu, Ruisi Zhang, Yongqi Sun, Qingyun Du, Zhifang Zhao, Zhaozheng Li, Fei Zhao, Liangliang Liu
Increased tourism forms subdivide the tourism market. Therefore, distinguishing spatiotemporal behaviors of different types of tourists is of great significance for tourism marketing and planning. ...
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Forest above-ground biomass estimation using X, C, L, and P band SAR polarimetric observations and different inversion models Int. J. Digit. Earth (IF 5.1) Pub Date : 2024-02-06 Yongjie Ji, Lu Wang, Wangfei Zhang, Armando Marino, Mengjin Wang, Jiamin Ma, Jianmin Shi, Qian Jing, Fuxiang Zhang, Han Zhao, Guoran Huang, Feifei Yang, Guoqing Wang
Since each frequency senses distinct features of forest structure, it is attractive to understand whether complementarity of multi-frequency can improve the retrieval of forest above ground biomass...
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Horizontal and vertical inequity of multi-modal healthcare accessibility in the aging Japan in the post-COVID era: a GIS-based approach Int. J. Digit. Earth (IF 5.1) Pub Date : 2024-02-02 Siqin Wang, Yukio Sadahiro
Evaluating the inequity of healthcare accessibility across demographic groups in the post-COVID era is of critical importance for an aging society like Japan – it helps to achieve better social equ...
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A spectral and spatial transformer for hyperspectral remote sensing image super-resolution Int. J. Digit. Earth (IF 5.1) Pub Date : 2024-02-07 Bingqian Wang, Jianhua Chen, Huajun Wang, Yipeng Tang, Jiongling Chen, Ye Jiang
Due to the generally low spatial resolution of hyperspectral images (HSIs), early multispectral images lacked corresponding panchromatic bands, and as a result, fusion methods could not be used to ...
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A multimetric evaluation method for comprehensively assessing the influence of the icosahedral diamond grid quality on SCNN performance Int. J. Digit. Earth (IF 5.1) Pub Date : 2024-02-07 Yuanzheng Duan, Xuesheng Zhao, Wenbin Sun, Qingping Liu, Mengmeng Qin
The increasing availability of global observational data has sparked a demand for deep learning algorithms on spherical grids to enable intelligent analysis at a global scale. However, a spherical ...
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Feature-constrained automatic geometric deformation analysis method of bridge models toward digital twin Int. J. Digit. Earth (IF 5.1) Pub Date : 2024-02-07 Jun Zhu, Niya Luo, Zhihao Guo, Jianbo Lai, Li Zuo, Chuanjun Zhang, Yukun Guo, Ya Hu
It is very important to construct digital twin scenes, which can accurately describe the dynamically changing geographical environment and improve the level of refined management in bridge construc...
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The impact of gradient expansion of urban–rural construction land on landscape fragmentation in typical mountain cities, China Int. J. Digit. Earth (IF 5.1) Pub Date : 2024-02-05 Yuefeng Jiang, Liang Zhou, Bao Wang, Qian Zhang, Hong Gao, Shaohua Wang, Mengqiu Cui
Hillside urbanization currently provides the most economical solution for urban expansion. However, limited attention was paid to the characteristics, processes, and patterns of gradient expansion ...
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Evaluating urban and nonurban PM2.5 variability under clean air actions in China during 2010–2022 based on a new high-quality dataset Int. J. Digit. Earth (IF 5.1) Pub Date : 2024-02-02 Boya Liu, Lili Wang, Lei Zhang, Kaixu Bai, Xingfeng Chen, Guangna Zhao, Haitao Yin, Nan Chen, Rong Li, Jinyuan Xin, Yuesi Wang, Yang Sun, Bo Hu
The air quality in China has changed due to the implementation of clean air actions since 2013. Evaluating the spatial pattern of PM2.5 and the effectiveness of reducing anthropogenic emissions in ...
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Measuring the similarity between shapes of buildings using graph edit distance Int. J. Digit. Earth (IF 5.1) Pub Date : 2024-02-01 Xiechun Lu, Houpu Li, Yongyang Xu, Jiangwen Liu, Zhanlong Chen
Building data play a crucial role in geographic information science, and building shape similarity can be used for spatial inquiry, cartographic generalization, map updating, data quality assessmen...
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Improved Arctic sea-ice motion in summer from the brightness temperature of the AMSR2 36GHz channel Int. J. Digit. Earth (IF 5.1) Pub Date : 2024-02-05 Qian Shi, Qinghua Yang, Jie Su, Jiping Liu, Qizhen Sun
Information on Arctic sea-ice motion in summer is critical for operational sea-ice monitoring and prediction and commercial navigation. Affected by the melting of the sea-ice surface, the accuracy ...
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How sustainable is OpenStreetMap? Tracking individual trajectories of editing behavior Int. J. Digit. Earth (IF 5.1) Pub Date : 2024-02-05 Xiang Zhang, Jiayan An, Yuchuan Zhou, Min Yang, Xi Zhao
OpenStreetMap (OSM) has been playing increasingly important roles in location-based services, urban planning, tourism, and disaster management. In this paper, we examine a fundamental issue: can OS...
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Monitoring tropical forest change using tree canopy cover time series obtained from Sentinel-1 and Sentinel-2 data Int. J. Digit. Earth (IF 5.1) Pub Date : 2024-02-05 Zhe Li, Tetsuji Ota, Nobuya Mizoue
The most practical method for monitoring forest change over large areas is using remotely sensed data. However, given that current techniques are somewhat weak for monitoring small-scale forest dis...
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A remote sensing index for the detection of multi-type water quality anomalies in complex geographical environments Int. J. Digit. Earth (IF 5.1) Pub Date : 2024-02-05 Haishuo Wei, Kun Jia, Qiao Wang, Biao Cao, Jianbo Qi, Wenzhi Zhao, Kai Yan
Frequent water quality anomalies severely affect the ecological environment, hindering the protection, restoration, and sustainable use of inland freshwater ecosystems in Sustainable Development Go...
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Automated spectral transfer learning strategy for semi-supervised regression on Chlorophyll-a retrievals with Sentinel-2 imagery Int. J. Digit. Earth (IF 5.1) Pub Date : 2024-02-06 Xuming Shi, Lingjia Gu, Xiaofeng Li, Tao Jiang, Tong Gao
Multispectral images make it possible to retrieve water quality parameters over a wide range and long time series by remote sensing. The robustness of traditional supervised machine learning models...