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A precise geoid model of Bosnia and Herzegovina by the KTH method and its validation 用KTH方法建立波斯尼亚和黑塞哥维那大地水准面精确模型及其验证
IF 1.6 4区 地球科学
Survey Review Pub Date : 2023-01-04 DOI: 10.1080/00396265.2022.2163361
Dževad Krdžalić, Ramazan Alpay Abbak
{"title":"A precise geoid model of Bosnia and Herzegovina by the KTH method and its validation","authors":"Dževad Krdžalić, Ramazan Alpay Abbak","doi":"10.1080/00396265.2022.2163361","DOIUrl":"https://doi.org/10.1080/00396265.2022.2163361","url":null,"abstract":"We compute the first gravimetric geoid model for Bosnia and Herzegovina (BHG2022) based upon the KTH method and additive corrections. The BHG2022 is computed with the help of 34,820 terrestrial gravity points and a digital elevation model produced by the Shuttle Radar Topography Mission. The gravity data is gridded onto a 0.02 arc-degree resolution via the nearest neighbour interpolation method. ITU_GGC16 and ITG-Grace2010 models are utilised to provide long wavelengths of gravity field up to 280 and 180 maximum degree/order in the geoid computation, respectively. On the basis of an external evaluation by 609 Global Navigation Satellite System (GNSS)-levelling points homogeneously distributed over the country, the accuracy of the BHG2022 is estimated to be 5.65 cm absolutely. This is the most precise geoid model ever seen in this territory. The result highlights the significant effect of all gravity data obtained from various sources on the accuracy of the geoid model.","PeriodicalId":49459,"journal":{"name":"Survey Review","volume":"55 1","pages":"513 - 523"},"PeriodicalIF":1.6,"publicationDate":"2023-01-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48378486","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Positioning performance of GNSS-PPP and PPP-AR methods for determining the vertical displacements GNSS-PPP和PPP-AR方法确定垂直位移的定位性能
IF 1.6 4区 地球科学
Survey Review Pub Date : 2023-01-02 DOI: 10.1080/00396265.2021.2010018
B. Akpınar
{"title":"Positioning performance of GNSS-PPP and PPP-AR methods for determining the vertical displacements","authors":"B. Akpınar","doi":"10.1080/00396265.2021.2010018","DOIUrl":"https://doi.org/10.1080/00396265.2021.2010018","url":null,"abstract":"This study investigates the accuracy of vertical displacements monitored by Global Navigation Satellite Systems (GNSS) precise point positioning (PPP) with float-ambiguity solution and with ambiguity resolution (PPP-AR). For this purpose, a simulation was designed. The static GNSS observations were collected at a test point during different observation times over seven periods involving vertical displacements produced with a precision of less than one mm. Each set of GNSS observations was processed with both GNSS-PPP and PPP-AR methods. The results revealed that RMS values of PPP-AR solutions are about twice better than RMS values of PPP solution for all observation times and all vertical displacement values.","PeriodicalId":49459,"journal":{"name":"Survey Review","volume":"220 1","pages":"68 - 74"},"PeriodicalIF":1.6,"publicationDate":"2023-01-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41294772","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Blockchain-oriented geospatial architecture model for real-time land registration 面向区块链的实时土地登记地理空间架构模型
IF 1.6 4区 地球科学
Survey Review Pub Date : 2022-12-31 DOI: 10.1080/00396265.2022.2156755
Ali Erdem Ozcelik
{"title":"Blockchain-oriented geospatial architecture model for real-time land registration","authors":"Ali Erdem Ozcelik","doi":"10.1080/00396265.2022.2156755","DOIUrl":"https://doi.org/10.1080/00396265.2022.2156755","url":null,"abstract":"","PeriodicalId":49459,"journal":{"name":"Survey Review","volume":" ","pages":""},"PeriodicalIF":1.6,"publicationDate":"2022-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46970193","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Citizens’ satisfaction with the land registration procedure: evidence from Ha Dong district, Hanoi, Vietnam 公民对土地登记程序的满意度：来自越南河内市河东区的证据
IF 1.6 4区 地球科学
Survey Review Pub Date : 2022-12-28 DOI: 10.1080/00396265.2022.2160691
Quang Cuong Doan
{"title":"Citizens’ satisfaction with the land registration procedure: evidence from Ha Dong district, Hanoi, Vietnam","authors":"Quang Cuong Doan","doi":"10.1080/00396265.2022.2160691","DOIUrl":"https://doi.org/10.1080/00396265.2022.2160691","url":null,"abstract":"This study aimed to discover citizens’ evaluation and satisfaction with land registration procedures. Using Hanoi as a case study, interviews were done at the Land Registration Office to clarify the satisfaction with land registration. The results show that the satisfaction rate was 74.6%. Collected data were analyzed through machine learning algorithms to find the factors affecting satisfaction. The results indicate that the number of times citizens go to agencies and waiting time are the most significant factors contributing to citizens’ satisfaction. The government should design and unify single points for applications, develop a digital-based cadastral database, enable online payment, and modernize facilities to improve the citizens’ satisfaction.","PeriodicalId":49459,"journal":{"name":"Survey Review","volume":"55 1","pages":"471 - 480"},"PeriodicalIF":1.6,"publicationDate":"2022-12-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44094402","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Urban surface deformation monitoring and prediction by integrating SBAS-InSAR and Elman neural network SBAS-InSAR与Elman神经网络相结合的城市地表变形监测与预测
IF 1.6 4区 地球科学
Survey Review Pub Date : 2022-12-28 DOI: 10.1080/00396265.2022.2157119
Chao Teng, Lei Wang, Chuang Jiang
{"title":"Urban surface deformation monitoring and prediction by integrating SBAS-InSAR and Elman neural network","authors":"Chao Teng, Lei Wang, Chuang Jiang","doi":"10.1080/00396265.2022.2157119","DOIUrl":"https://doi.org/10.1080/00396265.2022.2157119","url":null,"abstract":"","PeriodicalId":49459,"journal":{"name":"Survey Review","volume":"1 1","pages":""},"PeriodicalIF":1.6,"publicationDate":"2022-12-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41629555","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
On auxiliary latitudes 关于辅助纬度
IF 1.6 4区 地球科学
Survey Review Pub Date : 2022-12-12 DOI: 10.1080/00396265.2023.2217604
Charles F. F. Karney
{"title":"On auxiliary latitudes","authors":"Charles F. F. Karney","doi":"10.1080/00396265.2023.2217604","DOIUrl":"https://doi.org/10.1080/00396265.2023.2217604","url":null,"abstract":"The auxiliary latitudes are essential tools in cartography. This paper summarizes methods for converting between them with an emphasis on providing full double-precision accuracy. This includes series expansions in the third flattening, where the truncation error is precisely measured and where estimates of the radii of convergence are given. Also new formulas are given for computing the rectifying and authalic latitudes with minimal roundoff error.","PeriodicalId":49459,"journal":{"name":"Survey Review","volume":" ","pages":""},"PeriodicalIF":1.6,"publicationDate":"2022-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44422468","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A combination constellation mode of kinematic PPP with priori constraints for determining ocean tide loading displacement 确定海潮荷载位移的具有先验约束的运动PPP组合星座模式
IF 1.6 4区 地球科学
Survey Review Pub Date : 2022-11-11 DOI: 10.1080/00396265.2022.2143649
Hong Zhao, Jiwei Zhu, Zhi Liu, G. Jiang, Yangyang Sun
{"title":"A combination constellation mode of kinematic PPP with priori constraints for determining ocean tide loading displacement","authors":"Hong Zhao, Jiwei Zhu, Zhi Liu, G. Jiang, Yangyang Sun","doi":"10.1080/00396265.2022.2143649","DOIUrl":"https://doi.org/10.1080/00396265.2022.2143649","url":null,"abstract":"To improve the efficiency of estimation of deriving OTLD parameters with higher accuracy and take full advantage of multi-GNSS data, we investigate the potential of using global ocean tide model predictions as prior constraint for GLONASS and combined GPS+GLONASS kinematic precise point positioning (PPP), analyzing one year of GPS and GLONASS data from 20 Crustal Movement Observation Network China (CMONC) sites distributed along China coast. Seven global ocean tide models predictions are employed as prior constraint in kinematic PPP. Compared with the results of GPS-only kinematic PPP with priori information constraint, the result shows that GPS+GLONASS and GLONASS can improve the accuracy of OTLD estimates more than 40% in three components over GPS. The comparison of the effect of OTLD estimates on long-period signals in position time series shows that the correction effect of the kinematic PPP with seven different priori information constraint estimates is all as same as the reference model in three components.","PeriodicalId":49459,"journal":{"name":"Survey Review","volume":"55 1","pages":"498 - 512"},"PeriodicalIF":1.6,"publicationDate":"2022-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44289690","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Derivation of 9-parameter affine 3D geodetic datum transformations 九参数仿射三维大地基准变换的推导
IF 1.6 4区 地球科学
Survey Review Pub Date : 2022-11-02 DOI: 10.1080/00396265.2022.2137094
A. Ruffhead
{"title":"Derivation of 9-parameter affine 3D geodetic datum transformations","authors":"A. Ruffhead","doi":"10.1080/00396265.2022.2137094","DOIUrl":"https://doi.org/10.1080/00396265.2022.2137094","url":null,"abstract":"This paper proposes a new method of deriving 9-parameter affine 3D datum transformations by ordinary least-squares. Unlike previous methods, it covers all versions of the transformation. Initially, an ‘average’ scale factor is computed by distance analysis. Removing the scaling effect, the ‘RIGOPT’ subroutine is applied to optimise the rigid transformation that consists of 3 translations and 3 rotations. Using an equivalent enlargement hypothesis, the number of scale factors is increased to 3 by a short series of single-search-direction optimisations. The minimisation of residuals is verified by enclosing-interval analysis. The case studies cover datasets in Western Australia, Great Britain and Sweden.","PeriodicalId":49459,"journal":{"name":"Survey Review","volume":"55 1","pages":"441 - 450"},"PeriodicalIF":1.6,"publicationDate":"2022-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43035333","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Calculating the differences of VTEC values obtained by altimetric and GNSS observations in coastal areas 计算沿海地区通过测高和全球导航卫星系统观测获得的VTEC值的差异
IF 1.6 4区 地球科学
Survey Review Pub Date : 2022-10-27 DOI: 10.1080/00396265.2022.2137130
Miloš Marković, O. Odalović, M. Stanković
{"title":"Calculating the differences of VTEC values obtained by altimetric and GNSS observations in coastal areas","authors":"Miloš Marković, O. Odalović, M. Stanković","doi":"10.1080/00396265.2022.2137130","DOIUrl":"https://doi.org/10.1080/00396265.2022.2137130","url":null,"abstract":"The difference between the VTEC values obtained from the Global Navigation Satellite System (GNSS) and satellite altimetry is much more noticeable over the ocean and the sea due to less coverage of the GNSS observations. Previous research shows that differences can go up to 15 TECU. The main problem is calculating VTEC from raw data which is ambiguous. This paper presents filtering methods for estimating the differences between mentioned datasets. By using this solution, it is possible to achieve better accuracy on a global estimation of the deviation. The International Reference Ionosphere values were used for validation of the results.","PeriodicalId":49459,"journal":{"name":"Survey Review","volume":"55 1","pages":"451 - 462"},"PeriodicalIF":1.6,"publicationDate":"2022-10-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49655586","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Median robust nonlinear weighted total least squares estimator of nonlinear EIV models: three algorithms 非线性EIV模型的中值鲁棒非线性加权总最小二乘估计:三种算法
IF 1.6 4区 地球科学
Survey Review Pub Date : 2022-10-06 DOI: 10.1080/00396265.2022.2127605
Chuan Hu, Chenghong Li, Chongyang Zhang, Lidu Zhao, Xiaomeng Fan, Yusen Zhou, Hongzhou Zhu, Zheng Chen
{"title":"Median robust nonlinear weighted total least squares estimator of nonlinear EIV models: three algorithms","authors":"Chuan Hu, Chenghong Li, Chongyang Zhang, Lidu Zhao, Xiaomeng Fan, Yusen Zhou, Hongzhou Zhu, Zheng Chen","doi":"10.1080/00396265.2022.2127605","DOIUrl":"https://doi.org/10.1080/00396265.2022.2127605","url":null,"abstract":"To improve robust estimation performance of fully correlated nonlinear error-in-variables model, three median robust estimate methods are discussed on base of Nonlinear Weighted Total Least Squares (NWTLS), namely, median parameter method, median parameter initial value method and median variance method. After the discussion of the median robust estimation theory and the derivation of the calculation formula of the three median robust estimation methods, three iterative algorithms are developed. Through two nonlinear regression examples, four schemes including no artificial outliers, different location of outliers, different degrees of correlation, and different ratios of outliers are adopted, which proves the feasibility and effectiveness of the proposed algorithm. The experimental results show that from the statistical point of view, although the three median methods have different antioutlier effects for different nonlinear models, they are more effective than RNWTLS and NWTLS; the robust estimation results of three median methods are related to the functional model.","PeriodicalId":49459,"journal":{"name":"Survey Review","volume":"55 1","pages":"481 - 497"},"PeriodicalIF":1.6,"publicationDate":"2022-10-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46059847","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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